UIActionSheet動態添加按鈕，uiactionsheet動態

UIActionSheet動態添加按鈕，uiactionsheet動態

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代碼：

//點擊任何處，彈出UIActionSheet-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{    UIActionSheet *sheet=[[UIActionSheet alloc]initWithTitle:@"標題" delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil, nil];        // 逐個添加按鈕（比如可以是數組迴圈）    [sheet addButtonWithTitle:@"Item A"];    [sheet addButtonWithTitle:@"Item B"];    [sheet addButtonWithTitle:@"Item C"];    // 同時添加一個取消按鈕    [sheet addButtonWithTitle:@"Cancel"];        sheet.cancelButtonIndex = sheet.numberOfButtons-1;    [sheet showInView:self.view];}