超实用Myhelper,可作为初学者补充使用(封装)

来源：互联网发布：人工智能计算机视觉编辑：程序博客网时间：2024/04/30 02:09

超实用Myhelper,可作为初学者补充使用，集合了创建大部分UI控件方法，走过路过不要错过！时间戳转换，获取本地时间，本地版本等等

+ (UIButton *)createButton_WithTitle:(NSString *)title                              frame:(CGRect)frame                             target:(id)target                           selector:(SEL)selector {    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];    button.frame = frame;         button.layer.cornerRadius = 3.f;    button.layer.masksToBounds = YES;         button.backgroundColor = [UIColor colorWithRed:0.3 green:0.8f blue:1.f alpha:1.f];    [button setTitle:title forState:UIControlStateNormal];    [button addTarget:target action:selector forControlEvents:UIControlEventTouchUpInside];    return button;}+ (UIButton *)creatButton_WithFrame:(CGRect)frame target:(id)target sel:(SEL)sel tag:(NSInteger)tag image:(NSString *)name title:(NSString *)title{    UIButton *button = nil;    if (name) {        //创建图片按钮        //创建背景图片 按钮        button = [UIButton buttonWithType:UIButtonTypeCustom];                 [button setBackgroundImage:[UIImage imageNamed:name] forState:UIControlStateNormal];        if (title) {//图片标题按钮            [button setTitle:title forState:UIControlStateNormal];            [button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];                     }             }else if (title) {        //创建标题按钮        button = [UIButton buttonWithType:UIButtonTypeSystem];        [button setTitle:title forState:UIControlStateNormal];    }         button.frame = frame;    button.tag = tag;    [button addTarget:target action:sel forControlEvents:UIControlEventTouchUpInside];    return button;}+ (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame {    return [self createLabel_WithTitle:title frame:frame fontSize:14.f];} + (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame textColor:(UIColor *)color {    return [self createLabel_WithTitle:title frame:frame textColor:color fontSize:14.f];} + (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame fontSize:(CGFloat)size {    return [self createLabel_WithTitle:title frame:frame textColor:[UIColor blackColor] fontSize:size];} + (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame textColor:(UIColor *)color fontSize:(CGFloat)size {    UILabel *label = [[UILabel alloc] initWithFrame:frame];    label.text = title;    label.textColor = color;    label.font = [UIFont systemFontOfSize:size];    //return [label autorelease];    return label;} + (UIView *)createView_WithBackgroundColor:(UIColor *)color frame:(CGRect)frame {    UIView *view = [[UIView alloc] initWithFrame:frame];    view.backgroundColor = color;    //return [view autorelease];    return view;} + (UITextField *)createTextField_WithText:(NSString *)text frame:(CGRect)frame placeholder:(NSString *)placeholder textColor:(UIColor *)color borderStyle:(UITextBorderStyle)borderStyle {    UITextField *textField = [[UITextField alloc] initWithFrame:frame];    textField.placeholder = placeholder;    textField.borderStyle = borderStyle;    textField.text = text;    textField.textColor = color;    //return [textField autorelease];    return textField;}+ (NSString *)dateStringFromNumberTimer:(NSString *)timerStr {    //转化为Double    double t = [timerStr doubleValue];    //计算出距离1970的NSDate    NSDate *date = [NSDate dateWithTimeIntervalSince1970:t];    //转化为 时间格式化字符串    NSDateFormatter *df = [[NSDateFormatter alloc] init] ;    df.dateFormat = @"yyyy-MM-dd HH:mm:ss";    //转化为 时间字符串    return [df stringFromDate:date];}+(NSTimeInterval)timeIntervalFormWithDate:(NSDate*)date{    NSTimeInterval time=0;    if (!date) {        NSDate *today = [NSDate date];        time=[today timeIntervalSince1970];    }else{        time=[date timeIntervalSince1970];    }    return time;} //动态 计算行高//根据字符串的实际内容的多少 在固定的宽度和字体的大小，动态的计算出实际的高度+ (CGFloat)textHeightFromTextString:(NSString *)text width:(CGFloat)textWidth fontSize:(CGFloat)size{    if ([Factory getCurrentIOS] >= 7.0) {        //iOS7之后        /*         第一个参数: 预设空间 宽度固定  高度预设 一个最大值         第二个参数: 行间距 如果超出范围是否截断         第三个参数: 属性字典 可以设置字体大小         */        NSDictionary *dict = @{NSFontAttributeName:[UIFont systemFontOfSize:size]};        CGRect rect = [text boundingRectWithSize:CGSizeMake(textWidth, MAXFLOAT) options:NSStringDrawingTruncatesLastVisibleLine|NSStringDrawingUsesFontLeading|NSStringDrawingUsesLineFragmentOrigin attributes:dict context:nil];        //返回计算出的行高        return rect.size.height;             }else {        //iOS7之前        /*         1.第一个参数  设置的字体固定大小         2.预设 宽度和高度 宽度是固定的 高度一般写成最大值         3.换行模式 字符换行         */        CGSize textSize = [text sizeWithFont:[UIFont systemFontOfSize:size] constrainedToSize:CGSizeMake(textWidth, MAXFLOAT) lineBreakMode:NSLineBreakByCharWrapping];        return textSize.height;//返回 计算出得行高    }} //获取iOS版本号+ (double)getCurrentIOS {    return [[[UIDevice currentDevice] systemVersion] doubleValue];}+ (CGSize)getScreenSize {    return [[UIScreen mainScreen] bounds].size;}//获得当前系统时间到指定时间的时间差字符串,传入目标时间字符串和格式+(NSString*)stringNowToDate:(NSString*)toDate formater:(NSString*)formatStr{         NSDateFormatter *formater=[[NSDateFormatter alloc] init];    if (formatStr) {        [formater setDateFormat:formatStr];    }    else{        [formater setDateFormat:[NSString stringWithFormat:@"yyyy-MM-dd HH:mm:ss"]];    }    NSDate *date=[formater dateFromString:toDate];         return [self stringNowToDate:date];     }  //获得到指定时间的时间差字符串,格式在此方法内返回前自己根据需要格式化+(NSString*)stringNowToDate:(NSDate*)toDate{    //创建日期 NSCalendar对象    NSCalendar *cal = [NSCalendar currentCalendar];    //得到当前时间    NSDate *today = [NSDate date];         //用来得到具体的时差,位运算    unsigned int unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit ;         if (toDate && today) {//不为nil进行转化        NSDateComponents *d = [cal components:unitFlags fromDate:today toDate:toDate options:0 ];                 //NSString *dateStr=[NSString stringWithFormat:@"%d年%d月%d日%d时%d分%d秒",[d year],[d month], [d day], [d hour], [d minute], [d second]];        NSString *dateStr=[NSString stringWithFormat:@"ld:ld:ld",[d hour], [d minute], [d second]];        return dateStr;    }    return @"";} //获取 一个文件 在沙盒Library/Caches/ 目录下的路径+ (NSString *)getFullPathWithFile:(NSString *)urlName {         //先获取 沙盒中的Library/Caches/路径    NSString *docPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];    NSString *myCacheDirectory = [docPath stringByAppendingPathComponent:@"MyCaches"];    //检测MyCaches 文件夹是否存在    if (![[NSFileManager defaultManager] fileExistsAtPath:myCacheDirectory]) {        //不存在 那么创建        [[NSFileManager defaultManager] createDirectoryAtPath:myCacheDirectory withIntermediateDirectories:YES attributes:nil error:nil];    }    //用md5进行 加密 转化为 一串十六进制数字 (md5加密可以把一个字符串转化为一串唯一的用十六进制表示的串)    NSString * newName = [urlName MD5Hash];         //拼接路径    return [myCacheDirectory stringByAppendingPathComponent:newName];}//检测 缓存文件 是否超时+ (BOOL)isTimeOutWithFile:(NSString *)filePath timeOut:(double)timeOut {    //获取文件的属性    NSDictionary *fileDict = [[NSFileManager defaultManager] attributesOfItemAtPath:filePath error:nil];    //获取文件的上次的修改时间    NSDate *lastModfyDate = fileDict.fileModificationDate;    //算出时间差 获取当前系统时间 和 lastModfyDate时间差    NSTimeInterval sub = [[NSDate date] timeIntervalSinceDate:lastModfyDate];    if (sub < 0) {        sub = -sub;    }    //比较是否超时    if (sub > timeOut) {        //如果时间差 大于 设置的超时时间 那么就表示超时        return YES;    }    return NO;}//将汉字转换成UTF-8码+(NSString*)stringFromUTFStringWithText:(NSString*)text{     return [text stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];}//将UTF-8码转换成oc字符串+(NSString*)utfStringFromObjectStringWithText:(NSString*)text{     return [text stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];}

头文件

//创建Button的工厂，将特殊的元素传入，生产相对应的Button+ (UIButton *)createButton_WithTitle:(NSString *)title frame:(CGRect)frame target:(id)target selector:(SEL)selector;//创建button可以创建 标题按钮和 图片按钮+ (UIButton *)creatButton_WithFrame:(CGRect)frame                            target:(id)target                               sel:(SEL)sel                               tag:(NSInteger)tag                             image:(NSString *)name                             title:(NSString *)title;//创建Label的工厂，将特殊的元素传入，生产相对应的Label+ (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame;+ (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame textColor:(UIColor *)color;+ (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame fontSize:(CGFloat)size;+ (UILabel *)createLabel_WithTitle:(NSString *)title frame:(CGRect)frame textColor:(UIColor *)color fontSize:(CGFloat)size; //创建View的工厂，将特殊的元素传入，生产相应的View+ (UIView *)createView_WithBackgroundColor:(UIColor *)color frame:(CGRect)frame; //创建textField的工厂，将特殊的元素传入，生产响应的textField+ (UITextField *)createTextField_WithText:(NSString *)text frame:(CGRect)frame placeholder:(NSString *)placeholder textColor:(UIColor *)color borderStyle:(UITextBorderStyle)borderStyle; //把一个秒字符串 转化为真正的本地时间//@"1419055200" -> 转化 日期字符串+ (NSString *)dateStringFromNumberTimer:(NSString *)timerStr;//将系统时间或者是某一个时间转换成秒字符串// 转化 日期字符串 ->@"1419055200"+(NSTimeInterval)timeIntervalFormWithDate:(NSDate*)date;//根据字符串内容的多少  在固定宽度 下计算出实际的行高+ (CGFloat)textHeightFromTextString:(NSString *)text width:(CGFloat)textWidth fontSize:(CGFloat)size; //获取 当前设备版本+ (double)getCurrentIOS;//获取当前设备屏幕的大小+ (CGSize)getScreenSize; //获得当前系统时间到指定时间的时间差字符串,传入目标时间字符串和格式+(NSString*)stringNowToDate:(NSString*)toDate formater:(NSString*)formatStr; //获取 一个文件 在沙盒沙盒Library/Caches/ 目录下的路径+ (NSString *)getFullPathWithFile:(NSString *)urlName;//检测 缓存文件 是否超时+ (BOOL)isTimeOutWithFile:(NSString *)filePath timeOut:(double)timeOut;//将汉字转换成UTF-8码+(NSString*)stringFromUTFStringWithText:(NSString*)text;//将UTF-8码转换成oc字符串+(NSString*)utfStringFromObjectStringWithText:(NSString*)text;

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