猫猫学iOS之UIButton一行代码重写图片和标题位置源代码分享

猫猫分享，必须精品

原创文章，欢迎转载。转载请注明：翟乃玉的博客
地址：http://blog.csdn.net/u013357243

效果图

神马图片在上面title在下面的button之类的需求啊完全不需要考虑，直接来这个就可以了随意调

代码

UIButton+NYImageLocation.h

////  UIButton+NYImageLocation.h//  ChangButton////  Created by ZNYCAT on 16/3/2.//  Copyright © 2016年 com.znycat.com. All rights reserved.//根据图片的位置和图片文字的间距来重新设置button的image和title的排列//如果图片和文字大于button的大小，文字和图片显示的地方就会超出按钮#import <UIKit/UIKit.h>typedef NS_ENUM(NSInteger, NYImageLocation) {    NYImageLocationLeft = 0,              //图片在文字的左边，默认    NYImageLocationRight,             //图片在文字的右边    NYImageLocationTop,               //图片在文字的上边    NYImageLocationBottom,            //图片在文字的下边};typedef NS_ENUM(NSInteger, NYOffSetDirection) {    NYOffSetDirectionLeft = 0,   //图片文字整体向左边偏移，默认    NYOffSetDirectionRight,      //图片文字整体向右边偏移    NYOffSetDirectionTop,        //图片文字整体向上边偏移    NYOffSetDirectionBottom,     //图片文字整体向下边偏移};@interface UIButton (NYImageLocation)/** *  根据图片的位置和图片文字的间距来重新设置button的image和title的排列 *   如果图片和文字大于button的大小，文字和图片显示的地方就会超出按钮 * *  @param location 图片位于文字的哪个方位 *  @param spacing  图片和文字的间距离 */- (void)setImageLocation:(NYImageLocation)location spacing:(CGFloat)spacing;/** *  根据图片的位置和图片文字的间距来重新设置button的image和title的排列，根据offset来确定整体要偏移的方向以及偏移的数值 *   如果图片和文字大于button的大小，文字和图片显示的地方就会超出按钮 * *  @param postion         图片在文字的哪个方向 *  @param spacing         图片和文字的间隔 *  @param offSetDirection 哪个方向偏移 *  @param offSetVar       偏移多少 */- (void)setImageLocation:(NYImageLocation)location spacing:(CGFloat)spacing offSet:(NYOffSetDirection)offSetDirection offSetVar:(CGFloat)offSetVar;@end

UIButton+NYImageLocation.m

////  UIButton+NYImageLocation.m//  ChangButton////  Created by ZNYCAT on 16/3/2.//  Copyright © 2016年 com.znycat.com. All rights reserved.//#import "UIButton+NYImageLocation.h"@implementation UIButton (NYImageLocation)- (void)setImageLocation:(NYImageLocation)location spacing:(CGFloat)spacing {    CGFloat imageWith = self.imageView.image.size.width;    CGFloat imageHeight = self.imageView.image.size.height;    CGFloat titleWidth = [self.titleLabel.text sizeWithFont:self.titleLabel.font].width;    CGFloat titleHeight = [self.titleLabel.text sizeWithFont:self.titleLabel.font].height;    //image中心移动的x距离    CGFloat imageOffsetX = (imageWith + titleWidth) / 2 - imageWith / 2;    //image中心移动的y距离    CGFloat imageOffsetY = imageHeight / 2 + spacing / 2;    //title中心移动的x距离    CGFloat titleOffsetX = (imageWith + titleWidth / 2) - (imageWith + titleWidth) / 2;    //title中心移动的y距离    CGFloat labelOffsetY = titleHeight / 2 + spacing / 2;    switch (location) {        case NYImageLocationLeft:            self.imageEdgeInsets = UIEdgeInsetsMake(0, -spacing/2, 0, spacing/2);            self.titleEdgeInsets = UIEdgeInsetsMake(0, spacing/2, 0, -spacing/2);            break;        case NYImageLocationRight:            self.imageEdgeInsets = UIEdgeInsetsMake(0, titleWidth + spacing/2, 0, -(titleWidth + spacing/2));            self.titleEdgeInsets = UIEdgeInsetsMake(0, -(imageHeight + spacing/2), 0, imageHeight + spacing/2);            break;        case NYImageLocationTop:            self.imageEdgeInsets = UIEdgeInsetsMake(-imageOffsetY, imageOffsetX, imageOffsetY, -imageOffsetX);            self.titleEdgeInsets = UIEdgeInsetsMake(labelOffsetY, -titleOffsetX, -labelOffsetY, titleOffsetX);            break;        case NYImageLocationBottom:            self.imageEdgeInsets = UIEdgeInsetsMake(imageOffsetY, imageOffsetX, -imageOffsetY, -imageOffsetX);            self.titleEdgeInsets = UIEdgeInsetsMake(-labelOffsetY, -titleOffsetX, labelOffsetY, titleOffsetX);            break;        default:            break;    }}- (void)setImageLocation:(NYImageLocation)location spacing:(CGFloat)spacing offSet:(NYOffSetDirection)offSetDirection offSetVar:(CGFloat)offSetVar{    CGFloat imageWith = self.imageView.image.size.width;    CGFloat imageHeight = self.imageView.image.size.height;    //title的宽度    CGFloat titleWidth = [self.titleLabel.text sizeWithFont:self.titleLabel.font].width;    //title的高度    CGFloat titleHeight = [self.titleLabel.text sizeWithFont:self.titleLabel.font].height;    //image中心移动的x距离    CGFloat imageOffsetX = (imageWith + titleWidth) / 2 - imageWith / 2;    //image中心移动的y距离    CGFloat imageOffsetY = imageHeight / 2 + spacing / 2;    //title中心移动的x距离    CGFloat titleOffsetX = (imageWith + titleWidth / 2) - (imageWith + titleWidth) / 2;    //title中心移动的y距离    CGFloat labelOffsetY = titleHeight / 2 + spacing / 2;    switch (location) {        case NYImageLocationLeft:            self.imageEdgeInsets = UIEdgeInsetsMake(0, -spacing/2, 0, spacing/2);            self.titleEdgeInsets = UIEdgeInsetsMake(0, spacing/2, 0, -spacing/2);            break;        case NYImageLocationRight:            self.imageEdgeInsets = UIEdgeInsetsMake(0, titleWidth + spacing/2, 0, -(titleWidth + spacing/2));            self.titleEdgeInsets = UIEdgeInsetsMake(0, -(imageHeight + spacing/2), 0, imageHeight + spacing/2);            break;        case NYImageLocationTop:            self.imageEdgeInsets = UIEdgeInsetsMake(-imageOffsetY, imageOffsetX, imageOffsetY, -imageOffsetX);            self.titleEdgeInsets = UIEdgeInsetsMake(labelOffsetY, -titleOffsetX, -labelOffsetY, titleOffsetX);            break;        case NYImageLocationBottom:            self.imageEdgeInsets = UIEdgeInsetsMake(imageOffsetY, imageOffsetX, -imageOffsetY, -imageOffsetX);            self.titleEdgeInsets = UIEdgeInsetsMake(-labelOffsetY, -titleOffsetX, labelOffsetY, titleOffsetX);            break;        default:            break;    }    CGFloat imageTop = self.imageEdgeInsets.top;    CGFloat imageLeft = self.imageEdgeInsets.left;    CGFloat imageBottom = self.imageEdgeInsets.bottom;    CGFloat imageRight = self.imageEdgeInsets.right;    CGFloat titleTop = self.titleEdgeInsets.top;    CGFloat titleLeft = self.titleEdgeInsets.left;    CGFloat titleBottom = self.titleEdgeInsets.bottom;    CGFloat titleRight = self.titleEdgeInsets.right;    switch (offSetDirection){        case NYOffSetDirectionLeft:            self.imageEdgeInsets = UIEdgeInsetsMake(imageTop, imageLeft - offSetVar, imageBottom, imageRight + offSetVar);            self.titleEdgeInsets = UIEdgeInsetsMake(titleTop, titleLeft - offSetVar, titleBottom, titleRight + offSetVar);            break;        case NYOffSetDirectionRight:            self.imageEdgeInsets = UIEdgeInsetsMake(imageTop, imageLeft + offSetVar, imageBottom, imageRight - offSetVar);            self.titleEdgeInsets = UIEdgeInsetsMake(titleTop, titleLeft + offSetVar, titleBottom, titleRight - offSetVar);            break;        case NYOffSetDirectionTop:            self.imageEdgeInsets = UIEdgeInsetsMake(imageTop - offSetVar , imageLeft, imageBottom + offSetVar, imageRight);            self.titleEdgeInsets = UIEdgeInsetsMake(titleTop - offSetVar , titleLeft, titleBottom + offSetVar, titleRight);            break;        case NYOffSetDirectionBottom:            self.imageEdgeInsets = UIEdgeInsetsMake(imageTop + offSetVar, imageLeft, imageBottom - offSetVar, imageRight);            self.titleEdgeInsets = UIEdgeInsetsMake(titleTop + offSetVar, titleLeft, titleBottom - offSetVar, titleRight);            break;        default:            break;    }}@end