uilabel 复制

//添加一个长按响应方法

- (void)addLongPressGestureRecognizer

{

UILongPressGestureRecognizer * longPress = [[UILongPressGestureRecognizer alloc ]initWithTarget:self action:@selector(longPress:)];

[self.contentLabel addGestureRecognizer:longPress];

self.contentLabel.userInteractionEnabled = YES;

}

//长按方法的实现

- (void)longPress:(UILongPressGestureRecognizer *)sender

{

if (sender.state == UIGestureRecognizerStateBegan)

{

[self becomeFirstResponder];

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(menuItemsHiden) name:UIMenuControllerWillHideMenuNotification object:nil];

UIMenuItem *copy = [[UIMenuItem alloc]initWithTitle:@"复制" action:@selector(menuCopy:)];

UIMenuItem * report = [[UIMenuItem alloc]initWithTitle:@"举报" action:@selector(menuReport:)];

UIMenuController *menu = [UIMenuController sharedMenuController];

[menu setMenuItems:@[copy,report]];

[menu setTargetRect:CGRectMake([sender locationInView:self.view].x, [sender locationInView:self.view].y, 0, 0) inView:self.view];

[menu setMenuVisible:YES animated:YES];

self.contentLabel.backgroundColor = [UIColor grayColor];

}

}

/*!

*  允许成为第一响应

*/

- (BOOL)canBecomeFirstResponder{

return YES;

}

/*!

*  用于控制哪些命令显示在编辑菜单中

*/

- (BOOL)canPerformAction:(SEL)action withSender:(id)sender{

if (action == @selector(menuCopy:)) {

return YES;

}

if (action == @selector(menuReport:)) {

return YES;

}

return NO;

}

/**

*  @brief 复制的响应方法

*

*  @param sender

*/

-(void)menuCopy:(id)sender

{

[UIPasteboard generalPasteboard].string = self.contentLabel.text?self.contentLabel.text:@"";

}

/**

*  @brief 举报的响应方法

*

*  @param sender

*/

-(void)menuReport:(id)sender

{

//跳转到举报用户添加 举报类型字段

NSLog(@"举报的响应方法");

}

- (void)menuItemsHiden

{

self.contentLabel.backgroundColor = [UIColor whiteColor];

[[NSNotificationCenter defaultCenter] removeObserver:self];

}

//来源：http://blog.cocoachina.com/article/39466