UIButton的resizableImageWithCapInsets使用解析

 

效果:

 

使用的源文件:

源码:

////  ViewController.m//  SpecialButton////  Created by XianMingYou on 15/1/21.//  Copyright (c) 2015年 XianMingYou. All rights reserved.//#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];        /*     UIImageResizingModeTile    ：平铺模式，通过重复显示UIEdgeInsets指定的矩形区域来填充图片     */    UIButton *button1    = [[UIButton alloc] initWithFrame:CGRectMake(65, 250, 202, 29)];    UIImage *norImage1   = [UIImage imageNamed:@"normal"];    norImage1            = [norImage1 resizableImageWithCapInsets:UIEdgeInsetsMake(2, 2, 2, 2)                                                   resizingMode:UIImageResizingModeTile];    [button1 setBackgroundImage:norImage1 forState:UIControlStateNormal];    [self.view addSubview:button1];        /*     UIImageResizingModeStretch ：拉伸模式，通过拉伸UIEdgeInsets指定的矩形区域来填充图片     */    UIButton *button2    = [[UIButton alloc] initWithFrame:CGRectMake(65, 300, 202, 29)];    UIImage *norImage2   = [UIImage imageNamed:@"normal"];    norImage2            = [norImage2 resizableImageWithCapInsets:UIEdgeInsetsMake(2, 2, 2, 2)                                                   resizingMode:UIImageResizingModeStretch];    [button2 setBackgroundImage:norImage2 forState:UIControlStateNormal];    [self.view addSubview:button2];}@end

照着源码试一遍就知道怎么用了^_^!