iOS常用UI分类

    在iOS开发过程中，即使在高逼格的项目都是有一个个基本的控件搭建起来的，虽然基本控件的使用非常简单，但是不积跬步，无以至千里。这里是我平时做项目整理的一些控件的常用方法，没有什么高的技术含量，只为了加强自己的记忆。

@interface UIView (Utils)

@property (nonatomic,assign) CGFloat x;

@property (nonatomic,assign) CGFloat y;

@property (nonatomic,assign) CGFloat centerX;

@property (nonatomic,assign) CGFloat centerY;

@property (nonatomic,assign) CGFloat width;

@property (nonatomic,assign) CGFloat height;

@property (nonatomic,assign) CGSize size;

/**

 *  添加阴影效果

 *  color   颜色

 *  radius  范围

 *  opacity 透明度

 */

-(void)drawLayerShadowWithColor:(UIColor*)color Radius:(float) radius Opacity:(float) opacity;

/**

 *     添加边框

 */

-(void)drawLayerBorderWithColor:(UIColor*)color  Width:(CGFloat) width ;

/**

 *      设置圆角

 */

-(void)drawLayerCornerWithRadius:(CGFloat) radius;

/**

 *  获取当前正在显示的控制器(由于keyWindow的不同可能获取不正确)

 *

 *  @return 正在显示的控制器

 */

+ (UIViewController *)currentViewController;

/**

 *  获取当前正在显示的控制器(无论keyWindow是什么)

 *

 *  @return 正在显示的控制器

 */

+ (UIViewController *)getCurrentViewConrtrollerIgnoreWindowLevel;

/**

 *  获取当前显示的View的控制器的根控制器

 *

 *  @return 根控制器

 */

+ (UIViewController *)getCurrentRootViewController;

@end

#import "UIView+Utils.h"

@implementation UIView (Utils)

- (UIViewController *)parentController

{

    UIResponder *responder = [self nextResponder];

    while (responder) {

        if ([responder isKindOfClass:[UIViewController class]]) {

            return (UIViewController *)responder;

        }

        responder = [responder nextResponder];

    }

    returnnil;

    

}

+ (UIViewController *)currentViewController

{

    //如果是在AlertView上可能获取的keyWindow不是UIWindow（注意）

    UIWindow *keyWindow = [UIApplication sharedApplication].keyWindow;

    // modal展现方式的底层视图不同

    // 取到第一层时，取到的是UITransitionView，通过这个view拿不到控制器

    UIView *firstView = [keyWindow.subviews firstObject];

    UIView *secondView = [firstView.subviews firstObject];

    UIViewController *vc = secondView.parentController;

    if ([vc isKindOfClass:[UITabBarController class]])

    {

        

        UITabBarController *tab = (UITabBarController *)vc;

        

        if ([tab.selectedViewController isKindOfClass:[UINavigationController class]])

        {

            UINavigationController *nav = (UINavigationController *)tab.selectedViewController;

            return [nav.viewControllers lastObject];

        } else

        {

            return tab.selectedViewController;

        }

    }

    

    else if ([vc isKindOfClass:[UINavigationController class]]) {

        

        UINavigationController *nav = (UINavigationController *)vc;

        return [nav.viewControllers lastObject];

    }

    

    else

    {

        return vc;

    }

    

    returnnil;

}

+(UIViewController *)getCurrentViewConrtrollerIgnoreWindowLevel

{

    // Try to find the root view controller programmically

    // Find the top window (that is not an alert view or other window)

    UIWindow *topWindow = [[UIApplication sharedApplication] keyWindow];

    

    if (topWindow.windowLevel != UIWindowLevelNormal)

        

    {

        

        NSArray *windows = [[UIApplication sharedApplication] windows];

        

        for(topWindowin windows)

            

        {

            

            if (topWindow.windowLevel == UIWindowLevelNormal)

                

                break;

            

        }

        

    }

    // modal展现方式的底层视图不同

    // 取到第一层时，取到的是UITransitionView，通过这个view拿不到控制器

    UIView *firstView = [topWindow.subviews firstObject];

    UIView *secondView = [firstView.subviews firstObject];

    UIViewController *vc = secondView.parentController;

    if ([vc isKindOfClass:[UITabBarController class]])

    {

        

        UITabBarController *tab = (UITabBarController *)vc;

        

        if ([tab.selectedViewController isKindOfClass:[UINavigationController class]])

        {

            UINavigationController *nav = (UINavigationController *)tab.selectedViewController;

            return [nav.viewControllers lastObject];

        } else

        {

            return tab.selectedViewController;

        }

    }

    

    else if ([vc isKindOfClass:[UINavigationController class]]) {

        

        UINavigationController *nav = (UINavigationController *)vc;

        return [nav.viewControllers lastObject];

    }

    

    else

    {

        return vc;

    }

    

    returnnil;

    

}

+ (UIViewController *)getCurrentRootViewController

{

    

    UIViewController *result;

    

    // Try to find the root view controller programmically

    

    // Find the top window (that is not an alert view or other window)

    

    UIWindow *topWindow = [[UIApplication sharedApplication] keyWindow];

    

    if (topWindow.windowLevel != UIWindowLevelNormal)

        

    {

        

        NSArray *windows = [[UIApplication sharedApplication] windows];

        

        for(topWindowin windows)

            

        {

            

            if (topWindow.windowLevel == UIWindowLevelNormal)

                

                break;

            

        }

        

    }

    

    UIView *rootView = [[topWindow subviews] objectAtIndex:0];

    

    id nextResponder = [rootView nextResponder];

    

    if ([nextResponder isKindOfClass:[UIViewController class]])

        

        result = nextResponder;

    

    else if ([topWindow respondsToSelector:@selector(rootViewController)] && topWindow.rootViewController !=nil)

        

        result = topWindow.rootViewController;

    

    else

        

        NSAssert(NO,@"ShareKit: Could not find a root view controller. You can assign one manually by calling [[SHK currentHelper] setRootViewController:YOURROOTVIEWCONTROLLER].");

    

    return result; 

    

}

/****------> UIView +Layer <------ ****/

-(void)drawLayerShadowWithColor:(UIColor*)color Radius:(float) radius Opacity:(float) opacity

{

    self.layer.shadowOpacity = opacity;//阴影透明度

    

    self.layer.shadowColor = color.CGColor;//阴影的颜色

    

    self.layer.shadowRadius = radius;//阴影扩散的范围控制

    

    self.layer.shadowOffset  = CGSizeMake(1,1);//阴影的范围

}

-(void)drawLayerBorderWithColor:(UIColor*)color  Width:(CGFloat) width 

{

    self.layer.borderColor = color.CGColor;//边框颜色

    

    self.layer.borderWidth = width;//边框宽度

}

-(void)drawLayerCornerWithRadius:(CGFloat) radius

{

    self.layer.masksToBounds =YES;

    

    self.layer.cornerRadius = radius;

    

}

/****------> UIView +Frame <------ ****/

- (void)setX:(CGFloat)x

{

    CGRect frame = self.frame;

    frame.origin.x = x;

    self.frame = frame;

}

- (CGFloat)x

{

    returnself.frame.origin.x;

}

- (void)setY:(CGFloat)y

{

    CGRect frame = self.frame;

    frame.origin.y = y;

    self.frame = frame;

}

- (CGFloat)y

{

    returnself.frame.origin.y;

}

- (void)setCenterX:(CGFloat)centerX

{

    CGPoint center = self.center;

    center.x = centerX;

    self.center = center;

}

- (CGFloat)centerX

{

    returnself.center.x;

}

- (void)setCenterY:(CGFloat)centerY

{

    CGPoint center = self.center;

    center.y = centerY;

    self.center = center;

}

- (CGFloat)centerY

{

    returnself.center.y;

}

- (void)setWidth:(CGFloat)width

{

    CGRect frame = self.frame;

    frame.size.width = width;

    self.frame = frame;

}

- (CGFloat)width

{

    returnself.frame.size.width;

}

- (void)setHeight:(CGFloat)height

{

    CGRect frame = self.frame;

    frame.size.height = height;

    self.frame = frame;

}

- (CGFloat)height

{

    returnself.frame.size.height;

}

- (void)setSize:(CGSize)size

{

    //    self.width = size.width;

    //    self.height = size.height;

    CGRect frame = self.frame;

    frame.size = size;

    self.frame = frame;

}

- (CGSize)size

{

    returnself.frame.size;

}

@end

#import <UIKit/UIKit.h>

@interface UILabel (Utils)

@property (nonatomic,assign)BOOL isCopyable;

- (void)setTextFont:(UIFont *)font atRange:(NSRange)range;  

- (void)setTextColor:(UIColor *)color atRange:(NSRange)range;  

- (void)setTextLineSpace:(float)space atRange:(NSRange)range;  

- (void)setTextFont:(UIFont *)font color:(UIColor *)color atRange:(NSRange)range;  

- (void)setTextAttributes:(NSDictionary *)attributes atRange:(NSRange)range; 

@end

#import "UILabel+Utils.h"

#import <objc/runtime.h>

@implementation UILabel (Utils)

/*>>>>>>>>>>>>>>>>>>>>>>>>>>Label.attributedText<<<<<<<<<<<<<<<<<<<<<<<<*/

- (void)setTextFont:(UIFont *)font atRange:(NSRange)range  

{  

    [self setTextAttributes:@{NSFontAttributeName : font}  

                    atRange:range];  

}  

- (void)setTextColor:(UIColor *)color atRange:(NSRange)range  

{  

    [self setTextAttributes:@{NSForegroundColorAttributeName : color}  

                    atRange:range];  

}  

- (void)setTextLineSpace:(float)space atRange:(NSRange)range  

{  

    NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:self.text];  

    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];  

    

    [paragraphStyle setLineSpacing:space];//调整行间距  

    

    [attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [self.text length])];  

    self.attributedText = attributedString;  

    [self sizeToFit];  

}  

- (void)setTextFont:(UIFont *)font color:(UIColor *)color atRange:(NSRange)range  

{  

    [self setTextAttributes:@{NSFontAttributeName : font,  

                              NSForegroundColorAttributeName : color}  

                    atRange:range];  

}  

- (void)setTextAttributes:(NSDictionary *)attributes atRange:(NSRange)range  

{  

    NSMutableAttributedString *mutableAttributedString = [[NSMutableAttributedString alloc] initWithAttributedString:self.attributedText];  

    

    for (NSString *namein attributes)  

    {  

        [mutableAttributedString addAttribute:name value:[attributes objectForKey:name] range:range];  

    }  

    // [mutableAttributedString setAttributes:attributes range:range]; error  

    

    self.attributedText = mutableAttributedString; 

}  

/*>>>>>>>>>>>>>>>>>>>>>>>>>>Label.attributedText<<<<<<<<<<<<<<<<<<<<<<<<*/

/*>>>>>>>>>>>>>>>>>>>>>>>>>>Copy 长按Label可复制文字<<<<<<<<<<<<<<<<<<<<<<<<*/

- (BOOL)canPerformAction:(SEL)action withSender:(id)sender {

    return (action ==@selector(copyText:));

}

- (void)attachTapHandler {

    self.userInteractionEnabled =YES;

    UILongPressGestureRecognizer *g = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleTap:)];

    [self addGestureRecognizer:g];

}

//  处理手势相应事件

- (void)handleTap:(UIGestureRecognizer *)g {

    [self becomeFirstResponder];

    

    UIMenuItem *item = [[UIMenuItem alloc] initWithTitle:@"复制" action:@selector(copyText:)];

    [[UIMenuController sharedMenuController] setMenuItems:[NSArray arrayWithObject:item]];

    [[UIMenuController sharedMenuController] setTargetRect:self.frame inView:self.superview];

    [[UIMenuController sharedMenuController] setMenuVisible:YES animated:YES];

    

}

//  复制时执行的方法

- (void)copyText:(id)sender {

    //  通用的粘贴板

    UIPasteboard *pBoard = [UIPasteboard generalPasteboard];

    

    //  有些时候只想取UILabel的text中的一部分

    if (objc_getAssociatedObject(self,@"expectedText")) {

        pBoard.string = objc_getAssociatedObject(self,@"expectedText");

    } else {

        

        //  因为有时候 label中设置的是attributedText

        //  而 UIPasteboard的string只能接受 NSString类型

        //  所以要做相应的判断

        if (self.text) {

            pBoard.string = self.text;

        } else {

            pBoard.string = self.attributedText.string;

        }

    }

}

- (BOOL)canBecomeFirstResponder {

    return [objc_getAssociatedObject(self,@selector(isCopyable)) boolValue];

}

- (void)setIsCopyable:(BOOL)number {

    objc_setAssociatedObject(self,@selector(isCopyable), [NSNumber numberWithBool:number], OBJC_ASSOCIATION_ASSIGN);

    [self attachTapHandler];

}

- (BOOL)isCopyable {

    return [objc_getAssociatedObject(self,@selector(isCopyable)) boolValue];

}

/*>>>>>>>>>>>>>>>>>>>>>>>>>>Copy 长按Label可复制文字<<<<<<<<<<<<<<<<<<<<<<<<*/

@end

#import <UIKit/UIKit.h>

@interface UIButton (Utils)

//以下2个方法，须在设置图片和标题之后使用

/**

 *  将按钮转换为竖直样式：图片在上，标题在下

 */

- (void)transToVertical;

/**

 *  将按钮转换为竖直样式：图片在上，标题在下

 *

 *  @param padding 图片与标题间距

 */

- (void)transToVerticalWithPadding:(CGFloat)padding;

/**

 *    点击按钮伸缩动画

 */

-(void)pressesButtonWithAnimation ;

@end

#import "UIButton+Utils.h"

@implementation UIButton (Utils)

- (void)transToVerticalWithPadding:(CGFloat)padding {

    // get the size of the elements here for readability

    CGSize imageSize = self.imageView.frame.size;

    CGSize titleSize = self.titleLabel.frame.size;

    

    // get the height they will take up as a unit

    CGFloat totalHeight = (imageSize.height + titleSize.height + padding);

    

    // raise the image and push it right to center it

    self.imageEdgeInsets = UIEdgeInsetsMake(- (totalHeight - imageSize.height),0.0,0.0, - titleSize.width);

    

    // lower the text and push it left to center it

    self.titleEdgeInsets = UIEdgeInsetsMake(0.0, - imageSize.width, - (totalHeight - titleSize.height),0.0);

}

- (void)transToVertical {

    return [self transToVerticalWithPadding:3.0f];

}

-(void)pressesButtonWithAnimation

{

    

    [UIView animateWithDuration:0.2 animations:^{

        self.transform = CGAffineTransformMakeScale(0.5,0.5);

    }];

    

    [UIView animateWithDuration:0.3 animations:^{

        self.transform = CGAffineTransformMakeScale(1.0,1.0);

    }];

    [UIView animateWithDuration:0.3 animations:^{

        self.transform = CGAffineTransformMakeScale(1.5,1.5);

    }];

    

    [UIView animateWithDuration:0.2 animations:^{

        self.transform = CGAffineTransformMakeScale(1.0,1.0);

    }];

    

    

}

@end

#import <UIKit/UIKit.h>

@interface UIImage (Utils)

/**

 *  判断是否亮色

 *

 *  @return 返回是否亮色

 */

- (BOOL)isLightColor;

/**

 *  获得主要颜色

 *

 *  @return 返回主要颜色

 */

- (UIColor *)mostColor;

/**

 *  获得颜色RGB值

 *

 *  @param color 颜色

 *

 *  @return 返回颜色RGB值

 */

- (NSArray *)RGBComponentsWithColor:(UIColor *)color;

/**

 *  获得缩略图

 *

 *  @param size 缩略图大小

 *

 *  @return 缩略图

 */

- (UIImage *)scaleToSize:(CGSize)size;

//原始图片

+ (instancetype)imageWithOriginName:(NSString *)imageName;

/**

 *  根据颜色创建图片

 *

 *  @param color 图片颜色

 *

 *  @return 图片

 */

+ (UIImage *)imageWithColor:(UIColor *)color;

/**

 *  截取图片

 *

 *  @param rect 位置、大小

 *

 *  @return 图片

 */

- (UIImage *)trimWithRect:(CGRect)rect;

/**

 *  获得旋转后的图片

 *

 *  @param imageName   图片名

 *  @param orientation 旋转方向

 *

 *  @return 旋转后图片

 */

+ (UIImage *)rotateImageWithImageName:(NSString *)imageName orientation:(UIImageOrientation)orientation;

/**

 *  返回一张自由拉伸的图片

 */

+ (UIImage *)resizedImageWithName:(NSString *)name left:(CGFloat)left top:(CGFloat)top;

/**

 *  返回一张自由拉伸的图片   left 0.5 top 0.5 

 */

+ (UIImage *)resizedImageWithName:(NSString *)name;

/**

 *  改变图片的颜色

 */

+(UIImage *)colorizeImage:(UIImage *)baseImage withColor:(UIColor *)theColor; 

/**

 *  改变图片的背景色

 */

+(UIImage *)colorizeImage:(UIImage *)baseImage withBackgroundColor:(UIColor *)theColor; 

/**

 *     给图片添加蒙版效果

 *     

 **/

+(UIImage *)maskImage:(UIImage *)baseImage withImage:(UIImage *)theMaskImage;

@end

#import "UIImage+Utils.h"

#import <CoreGraphics/CoreGraphics.h>

@implementation UIImage (Utils)

- (BOOL)isLightColor {

    //获得主要颜色

    UIColor *color = [self mostColor];

    //获得主要颜色的RGB值

    NSArray *components = [self RGBComponentsWithColor:color];

    //RGB值分别相加，大于382的，定义为亮色

    CGFloat num = [components[0] floatValue] + [components[1] floatValue] + [components[2] floatValue];

    return num  >382;

}

//来源网络:(链接遗失)

- (UIColor *)mostColor {

#if __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_6_1

    int bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaPremultipliedLast;

#else

    int bitmapInfo = kCGImageAlphaPremultipliedLast;

#endif

    //第一步先把图片缩小加快计算速度.但越小结果误差可能越大

    CGSize thumbSize=CGSizeMake(50,50);

    

    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();

    CGContextRef context = CGBitmapContextCreate(NULL,

                                                 thumbSize.width,

                                                 thumbSize.height,

                                                 8,//bits per component

                                                 thumbSize.width*4,

                                                 colorSpace,

                                                 bitmapInfo);

    

    CGRect drawRect = CGRectMake(0,0, thumbSize.width, thumbSize.height);

    CGContextDrawImage(context, drawRect, self.CGImage);

    CGColorSpaceRelease(colorSpace);

    

    //第二步取每个点的像素值

    unsignedchar* data = CGBitmapContextGetData (context);

    

    if (data ==NULL)

    {

        CGContextRelease(context);

        returnnil;

    }

    

    NSCountedSet *cls=[NSCountedSet setWithCapacity:thumbSize.width*thumbSize.height];

    

    for (int x=0; x<thumbSize.width; x++) {

        for (int y=0; y<thumbSize.height; y++) {

            

            int offset =4*(x*y);

            

            int red = data[offset];

            int green = data[offset+1];

            int blue = data[offset+2];

            int alpha =  data[offset+3];

            

            NSArray *clr=@[@(red),@(green),@(blue),@(alpha)];

            [cls addObject:clr];

            

        }

    }

    CGContextRelease(context);

    

    //第三步找到出现次数最多的那个颜色

    NSEnumerator *enumerator = [cls objectEnumerator];

    NSArray *curColor = nil;

    

    NSArray *MaxColor=nil;

    NSUInteger MaxCount=0;

    

    while ( (curColor = [enumerator nextObject]) !=nil )

    {

        NSUInteger tmpCount = [cls countForObject:curColor];

        

        if ( tmpCount < MaxCount )continue;

        

        MaxCount=tmpCount;

        MaxColor=curColor;

        

    }

    

    return [UIColor colorWithRed:([MaxColor[0] intValue]/255.0f)

                           green:([MaxColor[1] intValue]/255.0f)

                            blue:([MaxColor[2] intValue]/255.0f)

                           alpha:([MaxColor[3] intValue]/255.0f)];

}

//获取RGB值

- (NSArray *)RGBComponentsWithColor:(UIColor *)color {

#if __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_6_1

    int bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaPremultipliedLast;

#else

    int bitmapInfo = kCGImageAlphaPremultipliedLast;

#endif

    

    CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();

    unsignedchar resultingPixel[4];

    CGContextRef context = CGBitmapContextCreate(&resultingPixel,

                                                 1,

                                                 1,

                                                 8,

                                                 4,

                                                 rgbColorSpace,

                                                 bitmapInfo);

    CGContextSetFillColorWithColor(context, [color CGColor]);

    CGContextFillRect(context, CGRectMake(0,0,1,1));

    CGContextRelease(context);

    CGColorSpaceRelease(rgbColorSpace);

    

    NSMutableArray *componets = [[NSMutableArray alloc]init];

    for (int i =0; i <3; i++) {

        [componets addObject:@(resultingPixel[i])];

    }

    return [componets mutableCopy];

}

- (UIImage *)scaleToSize:(CGSize)size {

    //创建一个大小为size的image context，并将其设置为当前正在使用的context

    UIGraphicsBeginImageContext(size);

    //根据原图，绘制大小为size的图片

    [self drawInRect:CGRectMake(0,0, size.width, size.height)];

    //从当前的image context获得图片，此时图片为大小改变后的图片

    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();

    //当前image context出栈

    UIGraphicsEndImageContext();

    return image;

}

+ (UIImage *)imageWithColor:(UIColor *)color {

    CGRect frame = CGRectMake(0,0,1,1);

    //创建一个image context，并将其设置为当前正在使用的context

    UIGraphicsBeginImageContext(frame.size);

    //获得当前正在使用的context

    CGContextRef context = UIGraphicsGetCurrentContext();

    //填充颜色

    CGContextSetFillColorWithColor(context, [color CGColor]);

    //设置填充区域

    CGContextFillRect(context, frame);

    //从当前的image context获得图片

    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();

    //当前image context出栈

    UIGraphicsEndImageContext();

    return image;

}

- (UIImage *)trimWithRect:(CGRect)rect {

    CGImageRef imageRef = CGImageCreateWithImageInRect(self.CGImage, rect);

    CGRect smallRect = CGRectMake(0,0, rect.size.width, rect.size.height);

    //创建一个image context，并将其设置为当前正在使用的context

    UIGraphicsBeginImageContext(smallRect.size);

    //获得当前正在使用的context

    CGContextRef context = UIGraphicsGetCurrentContext();

    //绘制图片

    CGContextDrawImage(context, smallRect, imageRef);

    UIImage *image = [UIImage imageWithCGImage:imageRef];

    //当前image context出栈

    UIGraphicsEndImageContext();

    return image;

}

+ (UIImage *)rotateImageWithImageName:(NSString *)imageName orientation:(UIImageOrientation)orientation {

    CIImage *srcImage = [[CIImage alloc]initWithImage:[UIImage imageNamed:imageName]];

    return [UIImage imageWithCIImage:srcImage scale:1.0 orientation:orientation];

}

//原始图片

+ (instancetype)imageWithOriginName:(NSString *)imageName

{

    UIImage *img = [UIImage imageNamed:imageName];

    return [img imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

}

+ (UIImage *)resizedImageWithName:(NSString *)name

{

    return [self resizedImageWithName:name left:0.5 top:0.5];

}

+ (UIImage *)resizedImageWithName:(NSString *)name left:(CGFloat)left top:(CGFloat)top

{

    UIImage *image = [self imageNamed:name];

    return [image stretchableImageWithLeftCapWidth:image.size.width * left topCapHeight:image.size.height * top];

}

+(UIImage *)colorizeImage:(UIImage *)baseImage withColor:(UIColor *)theColor {

    UIGraphicsBeginImageContext(baseImage.size);

    

    CGContextRef ctx = UIGraphicsGetCurrentContext();

    CGRect area = CGRectMake(0,0, baseImage.size.width, baseImage.size.height);

    

    CGContextScaleCTM(ctx, 1, -1);

    CGContextTranslateCTM(ctx, 0, -area.size.height);

    

    CGContextSaveGState(ctx);

    CGContextClipToMask(ctx, area, baseImage.CGImage);

    //    CGContextDrawImage(ctx, area, baseImage.CGImage);

    //    CGContextDrawTiledImage(ctx, area, baseImage.CGImage);

    

    [theColor set];

    CGContextFillRect(ctx, area);

    

    CGContextRestoreGState(ctx);

    

    CGContextSetBlendMode(ctx, kCGBlendModeMultiply);

    

    //    CGContextDrawImage(ctx, area, baseImage.CGImage); //改变背景

    

    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();

    

    UIGraphicsEndImageContext();

    

    return newImage;

}

+(UIImage *)colorizeImage:(UIImage *)baseImage withBackgroundColor:(UIColor *)theColor {

    UIGraphicsBeginImageContext(baseImage.size);

    

    CGContextRef ctx = UIGraphicsGetCurrentContext();

    CGRect area = CGRectMake(0,0, baseImage.size.width, baseImage.size.height);

    

    CGContextScaleCTM(ctx, 1, -1);

    CGContextTranslateCTM(ctx, 0, -area.size.height);

    

    CGContextSaveGState(ctx);

    

    [theColor set];

    CGContextFillRect(ctx, area);

    

    CGContextRestoreGState(ctx);

    

    CGContextSetBlendMode(ctx, kCGBlendModeMultiply);

    

    CGContextDrawImage(ctx, area, baseImage.CGImage); //改变背景

    

    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();

    

    UIGraphicsEndImageContext();

    

    return newImage;

}

+(UIImage *)maskImage:(UIImage *)baseImage withImage:(UIImage *)theMaskImage {

    UIGraphicsBeginImageContext(baseImage.size);

    CGContextRef ctx = UIGraphicsGetCurrentContext();

    CGRect area = CGRectMake(0,0, baseImage.size.width, baseImage.size.height);

    CGContextScaleCTM(ctx, 1, -1);

    CGContextTranslateCTM(ctx, 0, -area.size.height);

    

    CGImageRef maskRef = theMaskImage.CGImage;

    

    CGImageRef maskImage = CGImageMaskCreate(CGImageGetWidth(maskRef),

                                             CGImageGetHeight(maskRef),

                                             CGImageGetBitsPerComponent(maskRef),

                                             CGImageGetBitsPerPixel(maskRef),

                                             CGImageGetBytesPerRow(maskRef),

                                             CGImageGetDataProvider(maskRef),NULL,false);

    

    CGImageRef masked = CGImageCreateWithMask([baseImage CGImage], maskImage);

    //CGImageRelease(maskImage);

    //CGImageRelease(maskRef);

    

    CGContextDrawImage(ctx, area, masked);

    //CGImageRelease(masked);

    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();

    

    UIGraphicsEndImageContext();

    

    return newImage;

}

@end

#import <UIKit/UIKit.h>

@interface UIColor (Utils)

/**

 *   获取RGB颜色 

 *  

 */

+(UIColor*)colorWithRed:(float)r Green:(float)g Blue:(float) b  Alpha:(float) alpha;

/**

 *   获取RGB颜色 alpha = 1 

 *  

 */

+(UIColor*)colorWithRed:(float)r Green:(float)g Blue:(float) b;

/**

 *    获取颜色的RGB值

 *

 */

+(NSMutableArray*)getRGBComponentWithColor:(UIColor*)color;

/**

 *   获取随机颜色

 *  

 */

+(UIColor*)colorWithRandomRGB;

/**

 *  从十六进制字符串获取颜色，

 *  color:支持@“#123456”、 @“0X123456”、 @“123456”三种格式

 */

+ (UIColor *)colorWithHexString:(NSString *)color;

/**

 *     根据颜色返回图片

 *

 */

+(UIImage*) createImageWithColor: (UIColor*) color ;

/**

 *  从十六进制字符串获取颜色，

 *

 */

+ (UIColor *)colorWithHexString:(NSString *)color alpha:(CGFloat)alpha;

/**

 *      根据颜色获取 16进制字符串

 *

 */

+(NSString *)stringFromColor:(UIColor *)color;

@end

#import "UIColor+Utils.h"

@implementation UIColor (Utils)

+(UIColor*)colorWithRed:(float)r Green:(float)g Blue:(float) b  Alpha:(float) alpha

{

    return [UIColor colorWithRed:(r) /255.0 green:(g) /255.0 blue:(b) /255.0 alpha:alpha]  ;

}

+(UIColor*)colorWithRed:(float)r Green:(float)g Blue:(float) b

{

    return [UIColor colorWithRed:r Green:g Blue:b Alpha:1];

}

/**

 *   获取随机颜色

 *  

 */

+(NSMutableArray*)getRGBComponentWithColor:(UIColor*)color

{

   

    NSMutableArray *RGBStrValueArr = [[NSMutableArray alloc] init];  

    NSString *RGBStr = nil;  

    //获得RGB值描述  

    NSString *RGBValue = [NSString stringWithFormat:@"%@",color];  

    //将RGB值描述分隔成字符串  

    NSArray *RGBArr = [RGBValue componentsSeparatedByString:@" "];  

    //获取红色值  

    int r = [[RGBArr objectAtIndex:1] intValue] *255;  

    RGBStr = [NSString stringWithFormat:@"%d",r];  

    [RGBStrValueArr addObject:RGBStr];  

    //获取绿色值  

    int g = [[RGBArr objectAtIndex:2] intValue] *255;  

    RGBStr = [NSString stringWithFormat:@"%d",g];  

    [RGBStrValueArr addObject:RGBStr];  

    //获取蓝色值  

    int b = [[RGBArr objectAtIndex:3] intValue] *255;  

    RGBStr = [NSString stringWithFormat:@"%d",b];  

    [RGBStrValueArr addObject:RGBStr];  

    //返回保存RGB值的数组  

    return RGBStrValueArr;  

}

+(UIColor*)colorWithRandomRGB

{

    return  [UIColor colorWithRed:arc4random_uniform(256) /255.0 green:arc4random_uniform(256) /255.0 blue:arc4random_uniform(256) /255.0 alpha:1] ; 

}

/**

 *     根据颜色返回图片

 *

 */

+(UIImage*) createImageWithColor: (UIColor*) color  

{  

    CGRect rect=CGRectMake(0,0,1,1);  

    UIGraphicsBeginImageContext(rect.size);  

    CGContextRef context = UIGraphicsGetCurrentContext();  

    CGContextSetFillColorWithColor(context, [color CGColor]);  

    CGContextFillRect(context, rect);  

    UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();  

    UIGraphicsEndImageContext();  

    return theImage;  

}  

+ (UIColor *)colorWithHexString:(NSString *)color alpha:(CGFloat)alpha

{

    //删除字符串中的空格

    NSString *cString = [[color stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];

    // String should be 6 or 8 characters

    if ([cString length] <6)

    {

        return [UIColor clearColor];

    }

    // strip 0X if it appears

    //如果是0x开头的，那么截取字符串，字符串从索引为2的位置开始，一直到末尾

    if ([cString hasPrefix:@"0X"])

    {

        cString = [cString substringFromIndex:2];

    }

    //如果是#开头的，那么截取字符串，字符串从索引为1的位置开始，一直到末尾

    if ([cString hasPrefix:@"#"])

    {

        cString = [cString substringFromIndex:1];

    }

    if ([cString length] !=6)

    {

        return [UIColor clearColor];

    }

    

    // Separate into r, g, b substrings

    NSRange range;

    range.location = 0;

    range.length = 2;

    //r

    NSString *rString = [cString substringWithRange:range];

    //g

    range.location = 2;

    NSString *gString = [cString substringWithRange:range];

    //b

    range.location = 4;

    NSString *bString = [cString substringWithRange:range];

    

    // Scan values

    unsignedint r, g, b;

    [[NSScanner scannerWithString:rString] scanHexInt:&r];

    [[NSScanner scannerWithString:gString] scanHexInt:&g];

    [[NSScanner scannerWithString:bString] scanHexInt:&b];

    return [UIColor colorWithRed:((float)r /255.0f) green:((float)g /255.0f) blue:((float)b /255.0f) alpha:alpha];

}

//默认alpha值为1

+ (UIColor *)colorWithHexString:(NSString *)color

{

    return [self colorWithHexString:color alpha:1.0f];

}

/**

 *      根据颜色获取 16进制字符串

 *

 */

+(NSString *)stringFromColor:(UIColor *)color

{

    const CGFloat *cs=CGColorGetComponents(color.CGColor);

    

    

    NSString *r = [NSString stringWithFormat:@"%@",[self  ToHex:cs[0]*255]];

    NSString *g = [NSString stringWithFormat:@"%@",[self  ToHex:cs[1]*255]];

    NSString *b = [NSString stringWithFormat:@"%@",[self  ToHex:cs[2]*255]];

    return [NSString stringWithFormat:@"#%@%@%@",r,g,b];

}

+(NSString *)ToHex:(int)tmpid

{

    NSString *endtmp=@"";

    NSString *nLetterValue;

    NSString *nStrat;

    int ttmpig=tmpid%16;

    int tmp=tmpid/16;

    switch (ttmpig)

    {

        case10:

            nLetterValue =@"A";break;

        case11:

            nLetterValue =@"B";break;

        case12:

            nLetterValue =@"C";break;

        case13:

            nLetterValue =@"D";break;

        case14:

            nLetterValue =@"E";break;

        case15:

            nLetterValue =@"F";break;

        default:nLetterValue=[[NSString alloc]initWithFormat:@"%i",ttmpig];

            

    }

    switch (tmp)

    {

        case10:

            nStrat =@"A";break;

        case11:

            nStrat =@"B";break;

        case12:

            nStrat =@"C";break;

        case13:

            nStrat =@"D";break;

        case14:

            nStrat =@"E";break;

        case15:

            nStrat =@"F";break;

        default:nStrat=[[NSString alloc]initWithFormat:@"%i",tmp];

            

    }

    endtmp=[[NSString alloc]initWithFormat:@"%@%@",nStrat,nLetterValue];

    return endtmp;

}

@end

#import <UIKit/UIKit.h>

@interface UIBarButtonItem (Badge)

@property (strong,nonatomic) UILabel *badge;

// Badge value to be display

@property (nonatomic) NSString *badgeValue;

// Badge background color

@property (nonatomic) UIColor *badgeBGColor;

// Badge text color

@property (nonatomic) UIColor *badgeTextColor;

// Badge font

@property (nonatomic) UIFont *badgeFont;

// Padding value for the badge

@property (nonatomic) CGFloat badgePadding;

// Minimum size badge to small

@property (nonatomic) CGFloat badgeMinSize;

// Values for offseting the badge over the BarButtonItem you picked

@property (nonatomic) CGFloat badgeOriginX;

@property (nonatomic) CGFloat badgeOriginY;

// In case of numbers, remove the badge when reaching zero

@property BOOL shouldHideBadgeAtZero;

// Badge has a bounce animation when value changes

@property BOOL shouldAnimateBadge;

@end

#import <objc/runtime.h>

#import "UIBarButtonItem+Badge.h"

NSString const *badgeKey =@"badgeKey";

NSString const *badgeBGColorKey =@"badgeBGColorKey";

NSString const *badgeTextColorKey =@"badgeTextColorKey";

NSString const *badgeFontKey =@"badgeFontKey";

NSString const *badgePaddingKey =@"badgePaddingKey";

NSString const *badgeMinSizeKey =@"badgeMinSizeKey";

NSString const *badgeOriginXKey =@"badgeOriginXKey";

NSString const *badgeOriginYKey =@"badgeOriginYKey";

NSString const *shouldHideBadgeAtZeroKey =@"shouldHideBadgeAtZeroKey";

NSString const *shouldAnimateBadgeKey =@"shouldAnimateBadgeKey";

NSString const *badgeValueKey =@"badgeValueKey";

@implementation UIBarButtonItem (Badge)

@dynamic badgeValue, badgeBGColor, badgeTextColor, badgeFont;

@dynamic badgePadding, badgeMinSize, badgeOriginX, badgeOriginY;

@dynamic shouldHideBadgeAtZero, shouldAnimateBadge;

- (void)badgeInit

{

    // Default design initialization

    self.badgeBGColor   = [UIColor redColor];

    self.badgeTextColor = [UIColor whiteColor];

    self.badgeFont      = [UIFont systemFontOfSize:12.0];

    self.badgePadding   =6;

    self.badgeMinSize   =8;

    self.badgeOriginX   =self.customView.frame.size.width -self.badge.frame.size.width/2;

    self.badgeOriginY   = -4;

    self.shouldHideBadgeAtZero =YES;

    self.shouldAnimateBadge =YES;

    // Avoids badge to be clipped when animating its scale

    self.customView.clipsToBounds =NO;

}

#pragma mark - Utility methods

// Handle badge display when its properties have been changed (color, font, ...)

- (void)refreshBadge

{

    // Change new attributes

    self.badge.textColor        =self.badgeTextColor;

    self.badge.backgroundColor  =self.badgeBGColor;

    self.badge.font             =self.badgeFont;

}

- (CGSize) badgeExpectedSize

{

    // When the value changes the badge could need to get bigger

    // Calculate expected size to fit new value

    // Use an intermediate label to get expected size thanks to sizeToFit

    // We don‘t call sizeToFit on the true label to avoid bad display

    UILabel *frameLabel = [self duplicateLabel:self.badge];

    [frameLabel sizeToFit];

    

    CGSize expectedLabelSize = frameLabel.frame.size;

    return expectedLabelSize;

}

- (void)updateBadgeFrame

{

    

    CGSize expectedLabelSize = [self badgeExpectedSize];

    

    // Make sure that for small value, the badge will be big enough

    CGFloat minHeight = expectedLabelSize.height;

    

    // Using a const we make sure the badge respect the minimum size

    minHeight = (minHeight < self.badgeMinSize) ?self.badgeMinSize : expectedLabelSize.height;

    CGFloat minWidth = expectedLabelSize.width;

    CGFloat padding = self.badgePadding;

    

    // Using const we make sure the badge doesn‘t get too smal

    minWidth = (minWidth < minHeight) ? minHeight : expectedLabelSize.width;

    self.badge.frame = CGRectMake(self.badgeOriginX,self.badgeOriginY, minWidth + padding, minHeight + padding);

    self.badge.layer.cornerRadius = (minHeight + padding) /2;

    self.badge.layer.masksToBounds =YES;

}

// Handle the badge changing value

- (void)updateBadgeValueAnimated:(BOOL)animated

{

    // Bounce animation on badge if value changed and if animation authorized

    if (animated &&self.shouldAnimateBadge && ![self.badge.text isEqualToString:self.badgeValue]) {

        CABasicAnimation * animation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];

        [animation setFromValue:[NSNumber numberWithFloat:1.5]];

        [animation setToValue:[NSNumber numberWithFloat:1]];

        [animation setDuration:0.2];

        [animation setTimingFunction:[CAMediaTimingFunction functionWithControlPoints:.4f :1.3f :1.f :1.f]];

        [self.badge.layer addAnimation:animation forKey:@"bounceAnimation"];

    }

    

    // Set the new value

    self.badge.text =self.badgeValue;

    

    // Animate the size modification if needed

    NSTimeInterval duration = animated ? 0.2 :0;

    [UIView animateWithDuration:duration animations:^{

        [self updateBadgeFrame];

    }];

}

- (UILabel *)duplicateLabel:(UILabel *)labelToCopy

{

    UILabel *duplicateLabel = [[UILabel alloc] initWithFrame:labelToCopy.frame];

    duplicateLabel.text = labelToCopy.text;

    duplicateLabel.font = labelToCopy.font;

    

    return duplicateLabel;

}

- (void)removeBadge

{

    // Animate badge removal

    [UIView animateWithDuration:0.2 animations:^{

        self.badge.transform = CGAffineTransformMakeScale(0,0);

    } completion:^(BOOL finished) {

        [self.badge removeFromSuperview];

        self.badge =nil;

    }];

}

#pragma mark - getters/setters

-(UILabel*) badge {

    return objc_getAssociatedObject(self, &badgeKey);

}

-(void)setBadge:(UILabel *)badgeLabel

{

    objc_setAssociatedObject(self, &badgeKey, badgeLabel, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

}

// Badge value to be display

-(NSString *)badgeValue {

    return objc_getAssociatedObject(self, &badgeValueKey);

}

-(void) setBadgeValue:(NSString *)badgeValue

{

    objc_setAssociatedObject(self, &badgeValueKey, badgeValue, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    

    // When changing the badge value check if we need to remove the badge

    if (!badgeValue || [badgeValue isEqualToString:@""] || ([badgeValue isEqualToString:@"0"] && self.shouldHideBadgeAtZero)) {

        [self removeBadge];

    } elseif (!self.badge) {

        // Create a new badge because not existing

        self.badge                      = [[UILabel alloc] initWithFrame:CGRectMake(self.badgeOriginX,self.badgeOriginY,20,20)];

        self.badge.textColor            =self.badgeTextColor;

        self.badge.backgroundColor      =self.badgeBGColor;

        self.badge.font                 =self.badgeFont;

        self.badge.textAlignment        = NSTextAlignmentCenter;

        [self badgeInit];

        [self.customView addSubview:self.badge];

        [self updateBadgeValueAnimated:NO];

    } else {

        [self updateBadgeValueAnimated:YES];

    }

}

// Badge background color

-(UIColor *)badgeBGColor {

    return objc_getAssociatedObject(self, &badgeBGColorKey);

}

-(void)setBadgeBGColor:(UIColor *)badgeBGColor

{

    objc_setAssociatedObject(self, &badgeBGColorKey, badgeBGColor, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    if (self.badge) {

        [self refreshBadge];

    }

}

// Badge text color

-(UIColor *)badgeTextColor {

    return objc_getAssociatedObject(self, &badgeTextColorKey);

}

-(void)setBadgeTextColor:(UIColor *)badgeTextColor

{

    objc_setAssociatedObject(self, &badgeTextColorKey, badgeTextColor, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    if (self.badge) {

        [self refreshBadge];

    }

}

// Badge font

-(UIFont *)badgeFont {

    return objc_getAssociatedObject(self, &badgeFontKey);

}

-(void)setBadgeFont:(UIFont *)badgeFont

{

    objc_setAssociatedObject(self, &badgeFontKey, badgeFont, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    if (self.badge) {

        [self refreshBadge];

    }

}

// Padding value for the badge

-(CGFloat) badgePadding {

    NSNumber *number = objc_getAssociatedObject(self, &badgePaddingKey);

    return number.floatValue;

}

-(void) setBadgePadding:(CGFloat)badgePadding

{

    NSNumber *number = [NSNumber numberWithDouble:badgePadding];

    objc_setAssociatedObject(self, &badgePaddingKey, number, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    if (self.badge) {

        [self updateBadgeFrame];

    }

}

// Minimum size badge to small

-(CGFloat) badgeMinSize {

    NSNumber *number = objc_getAssociatedObject(self, &badgeMinSizeKey);

    return number.floatValue;

}

-(void) setBadgeMinSize:(CGFloat)badgeMinSize

{

    NSNumber *number = [NSNumber numberWithDouble:badgeMinSize];

    objc_setAssociatedObject(self, &badgeMinSizeKey, number, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    if (self.badge) {

        [self updateBadgeFrame];

    }

}

// Values for offseting the badge over the BarButtonItem you picked

-(CGFloat) badgeOriginX {

    NSNumber *number = objc_getAssociatedObject(self, &badgeOriginXKey);

    return number.floatValue;

}

-(void) setBadgeOriginX:(CGFloat)badgeOriginX

{

    NSNumber *number = [NSNumber numberWithDouble:badgeOriginX];

    objc_setAssociatedObject(self, &badgeOriginXKey, number, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    if (self.badge) {

        [self updateBadgeFrame];

    }

}

-(CGFloat) badgeOriginY {

    NSNumber *number = objc_getAssociatedObject(self, &badgeOriginYKey);

    return number.floatValue;

}

-(void) setBadgeOriginY:(CGFloat)badgeOriginY

{

    NSNumber *number = [NSNumber numberWithDouble:badgeOriginY];

    objc_setAssociatedObject(self, &badgeOriginYKey, number, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    if (self.badge) {

        [self updateBadgeFrame];

    }

}

// In case of numbers, remove the badge when reaching zero

-(BOOL) shouldHideBadgeAtZero {

    NSNumber *number = objc_getAssociatedObject(self, &shouldHideBadgeAtZeroKey);

    return number.boolValue;

}

- (void)setShouldHideBadgeAtZero:(BOOL)shouldHideBadgeAtZero

{

    NSNumber *number = [NSNumber numberWithBool:shouldHideBadgeAtZero];

    objc_setAssociatedObject(self, &shouldHideBadgeAtZeroKey, number, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

}

// Badge has a bounce animation when value changes

-(BOOL) shouldAnimateBadge {

    NSNumber *number = objc_getAssociatedObject(self, &shouldAnimateBadgeKey);

    return number.boolValue;

}

- (void)setShouldAnimateBadge:(BOOL)shouldAnimateBadge

{

    NSNumber *number = [NSNumber numberWithBool:shouldAnimateBadge];

    objc_setAssociatedObject(self, &shouldAnimateBadgeKey, number, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

}

@end

最后在加上 NSDate 和NSString  两个常用类，个人比较懒惰，文章没有注释，自己领悟^_^。

#import <Foundation/Foundation.h>

@interface NSDate (Utils)

/**

 判断是否是今天

 */

-(BOOL)isToday;

/**

 判断是否是昨天

 */

-(BOOL)isYesterday;

/**

 判断是否是今年

 */

-(BOOL)isThisyear;

/**

 获得2个时间的时间差

 */

-(NSDateComponents *)deltaFromNow;

/**

 判断一个时间是否比另一个时间早

 */

-(BOOL)isEarlyThanDate:(NSDate *)otherDate;

/**

 完成判断一个时间是否在8:23-11:46之间的功能

 NSDate必须传8：23或23：45之类的格式

 */

- (BOOL)isBetweenFromTime:(NSDate *)fromDate toTime:(NSDate *)toDate;

@end

#import "NSDate+Utils.h"

@implementation NSDate (Utils)

-(BOOL)isToday

{

    NSCalendar *calendar = [NSCalendar currentCalendar];

    NSCalendarUnit unit = NSCalendarUnitDay|NSCalendarUnitYear|NSCalendarUnitMonth;

    NSDateComponents *selfDateComponents = [calendar components:unit fromDate:self];

    NSDateComponents *nowDateComponents = [calendar components:unit fromDate:[NSDate date]];

    

    return (selfDateComponents.year == nowDateComponents.year &&selfDateComponents.month == nowDateComponents.month && selfDateComponents.day == nowDateComponents.day);

    

}

-(BOOL)isYesterday

{

    NSCalendar *calendar = [NSCalendar currentCalendar];

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc]init];

    dateFormatter.dateFormat = @"yyyy-MM-dd";

    NSDate *now = [NSDate date];

    NSString *nowStr = [dateFormatter stringFromDate:now];

    NSDate *nowDate=[dateFormatter dateFromString:nowStr];

    NSString *selfStr = [dateFormatter stringFromDate:self];

    NSDate *selfDate = [dateFormatter dateFromString:selfStr];

    

    NSDateComponents *components = [calendar components:NSCalendarUnitDay fromDate:selfDate toDate:nowDate options:0];

    

    

    return components.day ==1;

    

}

-(BOOL)isThisyear

{

    NSCalendar *calendar = [NSCalendar currentCalendar];

    NSCalendarUnit unit = NSCalendarUnitYear;

    NSDateComponents *selfDateComponents = [calendar components:unit fromDate:self];

    NSDateComponents *nowDateComponents = [calendar components:unit fromDate:[NSDate date]];

    return selfDateComponents.year == nowDateComponents.year;

    

}

-(NSDateComponents *)deltaFromNow

{

    NSCalendar *calendar = [NSCalendar currentCalendar];

    NSCalendarUnit unit = NSCalendarUnitHour|NSCalendarUnitMinute|NSCalendarUnitSecond;

    return [calendar components:unit fromDate:self toDate:[NSDate date] options:NSCalendarWrapComponents];

    

}

-(BOOL)isEarlyThanDate:(NSDate *)otherDate

{

    NSCalendar *calendar = [NSCalendar currentCalendar];

    NSCalendarUnit unit = NSCalendarUnitHour|NSCalendarUnitMinute|NSCalendarUnitSecond;

    NSDateComponents *d= [calendar components:unit fromDate:otherDate toDate:self options:NSCalendarWrapComponents];

    long sec = [d hour]*3600+[d minute]*60+[d second];

    

    if (sec >=900) {

        returnNO;

    }else

    {

        returnYES;

    }

    

    

    

}

- (BOOL)isBetweenFromTime:(NSDate *)fromDate toTime:(NSDate *)toDate

{

    NSDateFormatter *dateF1 = [[NSDateFormatter alloc]init];

    dateF1.dateFormat = @"HH";

    NSString *fromHour = [dateF1 stringFromDate:fromDate];

    

    NSDateFormatter *dateF2 = [[NSDateFormatter alloc]init];

    dateF2.dateFormat = @"mm";

    NSString *fromMinute = [dateF2 stringFromDate:fromDate];

    

    NSInteger minuteTotalFromBegin = [fromHour integerValue] * 60+[fromMinute integerValue];

    

    

    NSDateFormatter *dateF = [[NSDateFormatter alloc]init];

    dateF.dateFormat = @"HH:mm";

    NSString *tempNow = [dateF stringFromDate:self];

    NSDate *nowDate = [dateF dateFromString:tempNow];

    

    NSString *fromHourNow = [dateF1 stringFromDate:nowDate];

    

    NSString *fromMinuteNow = [dateF2 stringFromDate:nowDate];

    

    NSInteger minuteTotalFromNow = [fromHourNow integerValue] * 60+[fromMinuteNow integerValue];

    

    NSString *toHourEnd = [dateF1 stringFromDate:toDate];

    

    NSString *toMinuteEnd = [dateF2 stringFromDate:toDate];

    

    NSInteger minuteTotalFromEnd = [toHourEnd integerValue] * 60+[toMinuteEnd integerValue];

    if (minuteTotalFromBegin < minuteTotalFromEnd) {

        if (minuteTotalFromNow >=minuteTotalFromBegin && minuteTotalFromNow <=minuteTotalFromEnd) {

            returnYES;

        }else

        {

            returnNO;

        }

    }else

    {

        if ((minuteTotalFromNow >=minuteTotalFromBegin && minuteTotalFromNow <=24*60) ||(minuteTotalFromNow >=0 && minuteTotalFromNow <= minuteTotalFromEnd)  ) {

            returnYES;

        }else

        {

            returnNO;

        }

        

        

        

    }

    

    

}

@end

#import <Foundation/Foundation.h>

#import <UIKit/UIKit.h>

@interface NSString (Utils)

/**

 * 计算字符串高度

 */

- (CGSize)sizeWithFont:(UIFont *)font maxSize:(CGSize)maxSize ;

/**

 *  写入偏好设置

 */

-(void)saveToNSDefaultsWithKey:(NSString *)key;

/**

 *  去除字符串中的空白字符

 */

-(NSString *)trimString ;

/**

 *  获得UUID

 *  @return 返回uuid

 */

+ (NSString *)UUID;

/**

 * 获取用户端的IP地址

 */

+ (NSString*)stringWithIP;

/**

 *  检验字符串是否有效

 *  @return 若非空且不等于@“”，则返回YES，否则，返回NO

 */

- (BOOL)isEmptyString;

/**

 *  判断是否有效邮箱

 *  @return 返回是否有效

 */

 - (BOOL)isValidEmail;

/**

 *   判断是否有效邮编

 *   @return 返回是否有效

 */

-(BOOL) isValidZipcode ;

/**

 *  判断是否有效手机号码

 *  @return 返回是否有效

 */

- (BOOL)isValidPhone;

/**

 *  判断是否有效身份证号码

 *  @return 返回是否有效

 */

- (BOOL)isValidIdCardNum;

/**

 *  产生MD5

 *  @return MD5

 */

- (NSString *)MD5;

/**

 *  根据文件路径计算文件大小

 */

- (NSInteger)fileSize ;

@end

#import "NSString+Utils.h"

#include <ifaddrs.h>

#include <arpa/inet.h>

#import <CommonCrypto/CommonDigest.h>

@implementation NSString (Utils)

- (CGSize)sizeWithFont:(UIFont *)font maxSize:(CGSize)maxSize

{

    NSDictionary *dict = @{NSFontAttributeName: font};

    CGSize textSize = [self boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:dict context:nil].size;

    return textSize;

}

-(void)saveToNSDefaultsWithKey:(NSString *)key 

{ 

    [[NSUserDefaults standardUserDefaults] setObject:self forKey:key]; 

    [[NSUserDefaults standardUserDefaults] synchronize];

}

-(NSString *)trimString

{

    return [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; 

}

+ (NSString *)UUID {

    CFUUIDRef theUUID = CFUUIDCreate(NULL);

    CFStringRef string = CFUUIDCreateString(NULL, theUUID);

    CFRelease(theUUID);

    NSString* retStr = (__bridge_transfer NSString *)string;

    return [[retStr stringByReplacingOccurrencesOfString:@"-" withString:@""] lowercaseString];

}

+ (NSString*)stringWithIP

{

    NSString *address = @"an error occurred when obtaining ip address";

    struct ifaddrs *interfaces =NULL;

    struct ifaddrs *temp_addr =NULL;

    int success =0;

    

    success = getifaddrs(&interfaces);

    

    if (success ==0) {// 0表示获取成功

        

        temp_addr = interfaces;

        while (temp_addr !=NULL) {

            if( temp_addr->ifa_addr->sa_family == AF_INET) {

                // Check if interface is en0 which is the wifi connection on the iPhone

                if ([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {

                    // Get NSString from C String

                    address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];

                }

            }

            

            temp_addr = temp_addr->ifa_next;

        }

    }

    freeifaddrs(interfaces);

    return address;

}

- (BOOL)isEmptyString {

    

     return (self ==nil ||self.length ==0);

}

- (BOOL)isValidEmail {

    BOOL sticterFilter =YES;

    NSString *stricterFilterString = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";

    NSString *laxString = @".+@.+\\.[A-Za-z]{2}[A-Za-z]*";

    NSString *emailRegex = sticterFilter ? stricterFilterString : laxString;

    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];

    return [emailTest evaluateWithObject:self];

}

-(BOOL) isValidZipcode 

{

    constchar *cvalue = [self UTF8String];

    int len = strlen(cvalue);

    if (len !=6) {

        returnFALSE;

    }

    for (int i =0; i < len; i++) 

    {

        if (!(cvalue[i] >='0' && cvalue[i] <='9')) 

        {

            returnFALSE;

        }

    }

    returnTRUE;

}

- (BOOL)isValidPhone {

    /**

     * 手机号码

     * 移动：134,135,136,137,138,139,150,151,152,157,158,159,182,183,187,188

     * 联通：130,131,132,155,156,185,186

     * 电信：133,153,180,189

     */

    NSString * MOBILE = @"^((13[0-9])|(147)|(177)|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";

    NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];

    return [regextestmobile evaluateWithObject:self];

}

- (BOOL)isValidIdCardNum

{

    NSString *value = [self copy];

    value = [value stringByReplacingOccurrencesOfString:@"X" withString:@"x"];

    value = [value stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

    int length =0;

    if (!value) {

        returnNO;

    }else {

        length = (int)value.length;

        if (length !=15 && length !=18) {

            returnNO;

        }

    }

    // 省份代码

    NSArray *areasArray =@[@"11",@"12",@"13",@"14",@"15",@"21",@"22",@"23",@"31",@"32",@"33",@"34",@"35",@"36",@"37",@"41",@"42",@"43",@"44",@"45",@"46",@"50",@"51",@"52",@"53",@"54",@"61",@"62",@"63",@"64",@"65",@"71",@"81",@"82",@"91"];

    NSString *valueStart2 = [value substringToIndex:2];

    BOOL areaFlag =NO;

    for (NSString *areaCodein areasArray) {

        if ([areaCode isEqualToString:valueStart2]) {

            areaFlag = YES;

            break;

        }

    }

    if (!areaFlag) {

        returnNO;

    }

    NSRegularExpression *regularExpression;

    NSUInteger numberofMatch;

    int year =0;

    switch (length) {

        case15:

            year = [value substringWithRange:NSMakeRange(6,2)].intValue +1900;

            if (year %4 ==0 || (year %100 ==0 && year %4 ==0)) {

                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$"                   options:NSRegularExpressionCaseInsensitive error:nil];//测试出生日期的合法性

            }else {

                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$"           options:NSRegularExpressionCaseInsensitive error:nil];//测试出生日期的合法性

            }

            numberofMatch = [regularExpression numberOfMatchesInString:value options:NSMatchingReportProgress range:NSMakeRange(0, value.length)];

            if(numberofMatch >0) {

                returnYES;

            }else {

                returnNO;

            }

        case18:

            year = [value substringWithRange:NSMakeRange(6,4)].intValue;

            if (year %4 ==0 || (year %100 ==0 && year %4 ==0)) {

                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}19|20[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$"options:NSRegularExpressionCaseInsensitive error:nil];//测试出生日期的合法性

                

            }else {

                regularExpression = [[NSRegularExpression alloc] initWithPattern:@"^[1-9][0-9]{5}19|20[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$"

                                                                         options:NSRegularExpressionCaseInsensitive error:nil];//测试出生日期的合法性

            }

            numberofMatch = [regularExpression numberOfMatchesInString:value options:NSMatchingReportProgress range:NSMakeRange(0, value.length)];

            if(numberofMatch >0) {

                int S = ([value substringWithRange:NSMakeRange(0,1)].intValue + [value substringWithRange:NSMakeRange(10,1)].intValue) *7 + ([value substringWithRange:NSMakeRange(1,1)].intValue + [value substringWithRange:NSMakeRange(11,1)].intValue) *9 + ([value substringWithRange:NSMakeRange(2,1)].intValue + [value substringWithRange:NSMakeRange(12,1)].intValue) *10 + ([value substringWithRange:NSMakeRange(3,1)].intValue + [value substringWithRange:NSMakeRange(13,1)].intValue) *5 + ([value substringWithRange:NSMakeRange(4,1)].intValue + [value substringWithRange:NSMakeRange(14,1)].intValue) *8 + ([value substringWithRange:NSMakeRange(5,1)].intValue + [value substringWithRange:NSMakeRange(15,1)].intValue) *4 + ([value substringWithRange:NSMakeRange(6,1)].intValue + [value substringWithRange:NSMakeRange(16,1)].intValue) *2 + [value substringWithRange:NSMakeRange(7,1)].intValue *1 + [value substringWithRange:NSMakeRange(8,1)].intValue *6 + [value substringWithRange:NSMakeRange(9,1)].intValue *3;

                int Y = S %11;

                NSString *M = @"F";

                NSString *JYM = @"10X98765432";

                M = [JYM substringWithRange:NSMakeRange(Y,1)];//判断校验位

                if ([M isEqualToString:[[value substringWithRange:NSMakeRange(17,1)] uppercaseString]]) {

                    returnYES;//检测ID的校验位

                }else {

                    returnNO;

                }

            }else {

                returnNO;

            }

            

        default:

            returnNO;

    }

    returnNO;

}

- (NSString *)MD5 {

    constchar *cStr = [self UTF8String];

    unsignedchar digest[CC_MD5_DIGEST_LENGTH];

    CC_MD5(cStr, (CC_LONG)strlen(cStr), digest);

    NSMutableString *result = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH *2];

    for (int i =0; i < CC_MD5_DIGEST_LENGTH; i++) {

        [result appendFormat:@"%02x",digest[i]];

    }

    return result;

}

- (NSString*)md532BitLower

{

    

    constchar *cStr = [self UTF8String];

    

    unsignedchar result[16];

    

    NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)];

    

    CC_MD5( cStr,[num intValue], result );

    

    

    

    return [[NSString stringWithFormat:

             

             @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",

             

             result[0], result[1], result[2], result[3],

             

             result[4], result[5], result[6], result[7],

             

             result[8], result[9], result[10], result[11],

             

             result[12], result[13], result[14], result[15]

             

             ] lowercaseString];

    

}

- (NSString*)md532BitUpper

{

    

    constchar *cStr = [self UTF8String];

    

    unsignedchar result[16];

    

    

    

    NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)];

    

    CC_MD5( cStr,[num intValue], result );

    

    

    

    return [[NSString stringWithFormat:

             

             @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",

             

             result[0], result[1], result[2], result[3],

             

             result[4], result[5], result[6], result[7],

             

             result[8], result[9], result[10], result[11],

             

             result[12], result[13], result[14], result[15]

             

             ] uppercaseString];

    

}

- (NSInteger)fileSize {

    NSFileManager *mgr = [NSFileManager defaultManager];

    BOOL isDirectory =NO;

    BOOL exists = [mgr fileExistsAtPath:self isDirectory:&isDirectory];

    if(!exists)return0;

    

    if(isDirectory) {

        NSInteger size = 0;

        NSDirectoryEnumerator *enumerator = [mgr enumeratorAtPath:self];

        for(NSString *subpathin enumerator) {

            NSString *fullSubPath = [self stringByAppendingPathComponent:subpath];

            size += [mgr attributesOfItemAtPath:fullSubPath error:nil].fileSize;

        }

        return size;

    }else{

        return [mgr attributesOfItemAtPath:self error:nil].fileSize;

    }

}

@end