UIMenuItem 文字选择菜单

UIMenuItem *menuItem = [[UIMenuItem alloc]initWithTitle:@"分享到新浪微博" action:@selector(changeColor:)];UIMenuController *menu = [UIMenuController sharedMenuController];[menu setMenuItems:[NSArray arrayWithObject:menuItem]];[menuItem release];

-(BOOL)canPerformAction:(SEL)action withSender:(id)sender{if(action == @selector(changeColor:)){if(textView.selectedRange.length>0)return YES;}return NO;}