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如何做购物网站的限购功能代码,网站上线验收,网站收录软件,利用网站宣传 两学一做系统自带的，就是来做个记录。重点是自带对视频简单的裁剪操作，很实用 不多说直接.m 文件中的代码吧 #import ViewController.h@interface ViewController ()UIImagePickerControllerDelegate,UINavigationControllerDelegate@property (strong, nonato…系统自带的，就是来做个记录。重点是自带对视频简单的裁剪操作，很实用不多说直接.m 文件中的代码吧#import "ViewController.h" @interface ViewController ()UIImagePickerControllerDelegate,UINavigationControllerDelegate @property (strong, nonatomic) UIImagePickerController *imagePickerController; @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor = [UIColor whiteColor]; UIButton* pickVideoBtn = [UIButton buttonWithType:UIButtonTypeCustom]; [pickVideoBtn setFrame:CGRectMake(0, 0, 100, 50)]; [pickVideoBtn setCenter:CGPointMake(self.view.frame.size.width/2, 100)]; [pickVideoBtn setTitle:@"选择视频" forState:UIControlStateNormal]; [pickVideoBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [pickVideoBtn addTarget:self action:@selector(PickVideo) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:pickVideoBtn]; } //视频 -(void)PickVideo