上传时选择文件－－UIActionSheet，UIImagePickerController
<div id="cnblogs_post_body">上传文件时，我们都的从本地中选择或用相机来拍摄得到文件。一个上传按钮，单击事件
<div class="cnblogs_code"> 1 -(IBAction)btnClick{ 2 UIActionSheet* actionSheet = [ 3 initWithTitle:@"请选择文件来源" 4 delegate:self 5 cancelButtonTitle:@"取消" 6 destructiveButtonTitle:nil 7 otherButtonTitles:@"照相机",@"摄像机",@"本地相簿",@"本地视频",nil]; 8 ; 9 ;10 }
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