label添加下划线_lable输出文字加入下划线html

    UILabel *myLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 100)];
    myLabel.textAlignment = NSTextAlignmentCenter;
    myLabel.center = self.view.center;
    NSMutableAttributedString *content = [[NSMutableAttributedString alloc] initWithString:@"iOS开发交流群:119783156"];
    NSRange contentRange = {0, [content length]};
    [content addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle]range:contentRange];
    myLabel.attributedText = content;
    [self.view addSubview:myLabel];

运行结果：

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