在实际开发过程中经常在按钮上添加文字和图片，位置和图片的位置根据需求放置也是不一样的。下面实现了各种显示方式，如下图：
UIButton+LSAdditions.h
//
// UIButton+LSAdditions.h
// ZLBiPhone
//
// Created by xujinzhong on 18/3/14.
// Copyright (c) 2018年 xujinzhong. All rights reserved.
// #import <UIKit/UIKit.h> @interface UIButton (LSAdditions) //设置背景颜色
- (void)setBackgroundColor:(UIColor *)backgroundColor forState:(UIControlState)state; #pragma mark 按钮图片标题显示位置
//上下居中，图片在上，文字在下
- (void)verticalCenterImageAndTitle:(CGFloat)spacing;
- (void)verticalCenterImageAndTitle; //默认6.0 //左右居中，文字在左，图片在右
- (void)horizontalCenterTitleAndImage:(CGFloat)spacing;
- (void)horizontalCenterTitleAndImage; //默认6.0 //左右居中，图片在左，文字在右
- (void)horizontalCenterImageAndTitle:(CGFloat)spacing;
- (void)horizontalCenterImageAndTitle; //默认6.0 //文字居中，图片在左边
- (void)horizontalCenterTitleAndImageLeft:(CGFloat)spacing;
- (void)horizontalCenterTitleAndImageLeft; //默认6.0 //文字居中，图片在右边
- (void)horizontalCenterTitleAndImageRight:(CGFloat)spacing;
- (void)horizontalCenterTitleAndImageRight; //默认6.0 @end
UIButton+LSAdditions.m
//
// UIButton+LSAdditions.m
// ZLBiPhone
//
// Created by xujinzhong on 18/6/14.
// Copyright (c) 2018年 xujinzhong. All rights reserved.
// #import "UIButton+LSAdditions.h" @implementation UIButton (LSAddtions) /**
* 添加按钮的背景颜色
*
* @return
*/
- (void)setBackgroundColor:(UIColor *)backgroundColor forState:(UIControlState)state {
[self setBackgroundImage:[UIButton imageWithColor:backgroundColor] forState:state];
} + (UIImage *)imageWithColor:(UIColor *)color {
CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, [color CGColor]);
CGContextFillRect(context, rect); UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext(); return image;
} /**
* 判断按钮是否按下
*
* @return
*/
-(BOOL)isExclusiveTouch
{
return YES;
} #pragma mark 按钮图片标题显示位置
- (void)verticalCenterImageAndTitle:(CGFloat)spacing
{
CGSize imageSize = self.imageView.frame.size;
CGSize titleSize = self.titleLabel.frame.size; self.titleEdgeInsets = UIEdgeInsetsMake(0.0, - imageSize.width, - (imageSize.height + spacing/), 0.0); titleSize = self.titleLabel.frame.size; self.imageEdgeInsets = UIEdgeInsetsMake(- (titleSize.height + spacing/), 0.0, 0.0, - titleSize.width);
} - (void)verticalCenterImageAndTitle
{
const int DEFAULT_SPACING = 6.0f;
[self verticalCenterImageAndTitle:DEFAULT_SPACING];
} - (void)horizontalCenterTitleAndImage:(CGFloat)spacing
{
CGSize imageSize = self.imageView.frame.size;
CGSize titleSize = self.titleLabel.frame.size; self.titleEdgeInsets = UIEdgeInsetsMake(0.0, - imageSize.width, 0.0, imageSize.width + spacing/); titleSize = self.titleLabel.frame.size; self.imageEdgeInsets = UIEdgeInsetsMake(0.0, titleSize.width + spacing/, 0.0, - titleSize.width);
} - (void)horizontalCenterTitleAndImage
{
const int DEFAULT_SPACING = 6.0f;
[self horizontalCenterTitleAndImage:DEFAULT_SPACING];
} - (void)horizontalCenterImageAndTitle:(CGFloat)spacing;
{
self.titleEdgeInsets = UIEdgeInsetsMake(0.0, 0.0, 0.0, - spacing/);
self.imageEdgeInsets = UIEdgeInsetsMake(0.0, - spacing/, 0.0, 0.0);
} - (void)horizontalCenterImageAndTitle;
{
const int DEFAULT_SPACING = 6.0f;
[self horizontalCenterImageAndTitle:DEFAULT_SPACING];
} - (void)horizontalCenterTitleAndImageLeft:(CGFloat)spacing
{
self.imageEdgeInsets = UIEdgeInsetsMake(0.0, - spacing, 0.0, 0.0);
} - (void)horizontalCenterTitleAndImageLeft
{
const int DEFAULT_SPACING = 6.0f;
[self horizontalCenterTitleAndImageLeft:DEFAULT_SPACING];
} - (void)horizontalCenterTitleAndImageRight:(CGFloat)spacing
{
CGSize imageSize = self.imageView.frame.size;
CGSize titleSize = self.titleLabel.frame.size; self.titleEdgeInsets = UIEdgeInsetsMake(0.0, - imageSize.width, 0.0, 0.0); titleSize = self.titleLabel.frame.size; self.imageEdgeInsets = UIEdgeInsetsMake(0.0, titleSize.width + imageSize.width + spacing, 0.0, - titleSize.width);
} - (void)horizontalCenterTitleAndImageRight
{
const int DEFAULT_SPACING = 6.0f;
[self horizontalCenterTitleAndImageRight:DEFAULT_SPACING];
} @end
现在测试代码如下：
#define ktopDistance 50
#define kwidth 90
#define kheight 50
@interface ViewController () @property (nonatomic, strong) UIButton *btnOne;
@property (nonatomic, strong) UIButton *btnTwo;
@property (nonatomic, strong) UIButton *btnThree;
@property (nonatomic, strong) UIButton *btnFour;
@property (nonatomic, strong) UIButton *btnFive; @end @implementation ViewController - (void)viewDidLoad {
[super viewDidLoad]; self.view.backgroundColor = [UIColor cyanColor]; CGFloat spacing = .f; //上下居中，图片在上，文字在下
[self.btnOne verticalCenterImageAndTitle:spacing];
[self.btnOne verticalCenterImageAndTitle]; //默认6.0 //左右居中，文字在左，图片在右
[self.btnTwo horizontalCenterTitleAndImage:spacing];
[self.btnTwo horizontalCenterTitleAndImage]; //默认6.0 //左右居中，图片在左，文字在右
[self.btnThree horizontalCenterImageAndTitle:spacing];
[self.btnThree horizontalCenterImageAndTitle]; //默认6.0 //文字居中，图片在左边
[self.btnFour horizontalCenterTitleAndImageLeft:spacing];
[self.btnFour horizontalCenterTitleAndImageLeft]; //默认6.0 //文字居中，图片在右边
[self.btnFive horizontalCenterTitleAndImageRight:spacing];
[self.btnFive horizontalCenterTitleAndImageRight]; //默认6.0
} -(UIButton *)btnOne{
if (!_btnOne) {
_btnOne = [UIButton new];
_btnOne.backgroundColor = [UIColor grayColor];
_btnOne.layer.cornerRadius = .f;
_btnOne.layer.masksToBounds = YES;
[_btnOne setTitle:@"left" forState:UIControlStateNormal];
[_btnOne setImage:[UIImage imageNamed:@"success"] forState:UIControlStateNormal];
[_btnOne setTitleColor:[UIColor brownColor] forState:UIControlStateNormal];
[self.view addSubview:_btnOne]; [_btnOne mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.offset();
make.centerX.equalTo(self.view);
make.width.offset(kwidth);
make.height.offset(kheight);
}];
}
return _btnOne;
} -(UIButton *)btnTwo{
if (!_btnTwo) {
_btnTwo = [UIButton new];
_btnTwo.backgroundColor = [UIColor grayColor];
_btnTwo.layer.cornerRadius = .f;
_btnTwo.layer.masksToBounds = YES;
[_btnTwo setTitle:@"left" forState:UIControlStateNormal];
[_btnTwo setImage:[UIImage imageNamed:@"success"] forState:UIControlStateNormal];
[_btnTwo setTitleColor:[UIColor brownColor] forState:UIControlStateNormal];
[self.view addSubview:_btnTwo]; [_btnTwo mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(self.btnOne.mas_bottom).offset(ktopDistance);
make.centerX.equalTo(self.view);
make.width.offset(kwidth);
make.height.offset(kheight);
}];
}
return _btnTwo;
} -(UIButton *)btnThree{
if (!_btnThree) {
_btnThree = [UIButton new];
_btnThree.backgroundColor = [UIColor grayColor];
_btnThree.layer.cornerRadius = .f;
_btnThree.layer.masksToBounds = YES;
[_btnThree setTitle:@"left" forState:UIControlStateNormal];
[_btnThree setImage:[UIImage imageNamed:@"success"] forState:UIControlStateNormal];
[_btnThree setTitleColor:[UIColor brownColor] forState:UIControlStateNormal];
[self.view addSubview:_btnThree]; [_btnThree mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(self.btnTwo.mas_bottom).offset(ktopDistance);
make.centerX.equalTo(self.view);
make.width.offset(kwidth);
make.height.offset(kheight);
}];
}
return _btnThree;
} -(UIButton *)btnFour{
if (!_btnFour) {
_btnFour = [UIButton new];
_btnFour.backgroundColor = [UIColor grayColor];
_btnFour.layer.cornerRadius = .f;
_btnFour.layer.masksToBounds = YES;
[_btnFour setTitle:@"left" forState:UIControlStateNormal];
[_btnFour setImage:[UIImage imageNamed:@"success"] forState:UIControlStateNormal];
[_btnFour setTitleColor:[UIColor brownColor] forState:UIControlStateNormal];
[self.view addSubview:_btnFour]; [_btnFour mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(self.btnThree.mas_bottom).offset(ktopDistance);
make.centerX.equalTo(self.view);
make.width.offset(kwidth);
make.height.offset(kheight);
}];
}
return _btnFour;
} -(UIButton *)btnFive{
if (!_btnFive) {
_btnFive = [UIButton new];
_btnFive.backgroundColor = [UIColor grayColor];
_btnFive.layer.cornerRadius = .f;
_btnFive.layer.masksToBounds = YES;
[_btnFive setTitle:@"left" forState:UIControlStateNormal];
[_btnFive setImage:[UIImage imageNamed:@"success"] forState:UIControlStateNormal];
[_btnFive setTitleColor:[UIColor brownColor] forState:UIControlStateNormal];
[self.view addSubview:_btnFive]; [_btnFive mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(self.btnFour.mas_bottom).offset(ktopDistance);
make.centerX.equalTo(self.view);
make.width.offset(kwidth);
make.height.offset(kheight);
}];
}
return _btnFive;
} @end