UIMenuController

#import <UIKit/UIKit.h>

@interface GJMenuLabel : UILabel

/// 调用弹出
- (void)showMenuController;

@end

#import "GJMenuLabel.h"

@implementation GJMenuLabel

- (void)awakeFromNib
{
    [super awakeFromNib];
    [self setup];
}

- (instancetype)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame]) {
        [self setup];
    }
    return self;
}

- (void)setup
{
    self.userInteractionEnabled = YES;
}

- (BOOL)canBecomeFirstResponder
{
    return YES;
}

- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
{
    if (action == @selector(copys:)) return YES;
    
    return NO;
}

- (void)showMenuController {
    
    [self becomeFirstResponder];
    
    UIMenuController *menu = [UIMenuController sharedMenuController];
    
    UIMenuItem *ding = [[UIMenuItem alloc] initWithTitle:@"复制" action:@selector(copys:)];
    
    [menu setMenuItems:[NSArray arrayWithObjects:ding, nil]];
    
    [menu setTargetRect:self.bounds inView:self];
    
    [menu setMenuVisible:YES animated:YES];
    
}

- (void)copys:(UIMenuController *)menu
{
    // 将自己的文字复制到粘贴板
    UIPasteboard *board = [UIPasteboard generalPasteboard];
    board.string = self.text;
}

@end