uilabe下划线以及响应链接

1.

NSMutableAttributedString *content = [[NSMutableAttributedString
alloc]initWithString:[NSString
stringWithFormat:@"注册即视为同意xxx注册协议"]];

2.

NSRange contentRange = {0,[content
length]};

[content addAttribute:NSUnderlineStyleAttributeName
value:[NSNumber
numberWithInteger:NSUnderlineStyleSingle]
range:contentRange];

3.

label.attributedText = content;

响应链接：

1.

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

UITouch *touch = [touches
anyObject];

CGPoint points = [touch
locationInView:self.view];

//找到相应的label标签

UILabel *label = (UILabel *)[self.view
viewWithTag:kLinkLabel];

//判断当前触摸点的范围是否在标签位置所在范围内

if (points.x >= label.frame.origin.x && points.y
>= label.frame.origin.y && points.x <= label.frame.size.width
+ label.frame.origin.x && points.y <= label.frame.size.height
+label.frame.origin.y)

{

//响应事件

.....

}

}