摘要：
1 #import "ViewController.h" 2 #import "Person.h" 3 4 @interface ViewController () 5 6 @end 7 8 @implementation ViewController 9 10 - (void)viewDidLoa 阅读全文
摘要：
1 #import "ViewController.h" 2 #import <AVFoundation/AVFoundation.h> 3 4 @interface ViewController ()<AVCaptureMetadataOutputObjectsDelegate> 5 6 @pro 阅读全文
摘要：
1 // 颜色转换为背景图片 2 - (UIImage *)imageWithColor:(UIColor *)color { 3 CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f); 4 UIGraphicsBeginImageContext(rect 阅读全文
摘要：
1 NSString * urlString = @"http://www.baidu.com/img/baidu_logo_fqj_10.gif"; 2 //方法一：最直接 3 NSString * fileName = [urlString lastPathComponent]; 4 NSLog 阅读全文