自定义一个文字居左图片居右的按钮

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1.自定义按钮

////  TitleButton.h//  自定义文字在左图片在右的按钮#import <UIKit/UIKit.h>@interface TitleButton : UIButton@end

////  TitleButton.m#import "TitleButton.h"@implementation TitleButton- (instancetype)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        // 图片内容模式：居中        self.imageView.contentMode = UIViewContentModeCenter;        [self setImage:[UIImage imageNamed:@"nav_screening_down_normal"] forState:UIControlStateNormal];        [self setImage:[UIImage imageNamed:@"nav_screening_down_pressed"] forState:UIControlStateHighlighted];        [self setImage:[UIImage imageNamed:@"nav_screening_up_normal"] forState:UIControlStateSelected];                // 文字颜色        [self setTitleColor:[UIColor colorWithRed:251/255.0 green:85/255.0 blue:8/255.0 alpha:1.0] forState:UIControlStateNormal];        // 文字大小         self.titleLabel.font = [UIFont systemFontOfSize:14];        // 文字居中对齐        self.titleLabel.textAlignment = NSTextAlignmentRight;    }        return self;}- (CGRect)titleRectForContentRect:(CGRect)contentRect{    CGFloat titleW = contentRect.size.width - 11 - 5;    CGFloat titleH = contentRect.size.height;        return CGRectMake(0, 0, titleW, titleH);}- (CGRect)imageRectForContentRect:(CGRect)contentRect{       CGFloat imageW = 11;    CGFloat imageH = contentRect.size.height;    CGFloat imageX = contentRect.size.width - imageW;        return CGRectMake(imageX, 0, imageW, imageH);}@end

2.使用

 TitleButton *navRight = [[TitleButton alloc] initWithFrame:CGRectMake(0, 0, 100, 44)];    [navRight setTitle:@"北京" forState:UIControlStateNormal];

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