TTTAttributedLabel简单使用

TTTAttributedLabe作为UILabel的替代，可以轻松的渲染可变字符串，文中中加入嵌入链接，手机号，时间都可以得到相对应的处理，项目地址TTTAttributedLabel,简单看一下效果:

FlyElephant.png

普通Label:
<pre><code>UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 100, 200, 50)]; label.textColor = [UIColor whiteColor]; label.text = @"美国职业篮球联赛（National Basketball Association，简称NBA，中文简称“美职篮”）于1946年6月6日在纽约成立，是由北美三十支队伍组成的男子职业篮球联盟，美国四大职业体育..."; label.backgroundColor = [UIColor redColor]; label.font = [UIFont systemFontOfSize:14]; label.numberOfLines = 0; label.lineBreakMode = NSLineBreakByWordWrapping; [self.view addSubview:label];</code></pre>

TTTAttributedLabel中的FlyElephant链接设置:

NSString           *text  = @"美国职业篮球联赛（National Basketball Association，简称NBA，中文简称“美职篮”）于1946年6月6日在纽约成立(FlyElephant)，是由北美三十支队伍组成的男子职业篮球联盟，美国四大职业体育...";
TTTAttributedLabel *label = [[TTTAttributedLabel alloc] initWithFrame:CGRectMake(20, 180, 300, 100)];
label.textColor = [UIColor whiteColor];

NSMutableAttributedString *atributeStr = [[NSMutableAttributedString alloc] initWithString:text attributes:@{
                                              NSForegroundColorAttributeName:[UIColor whiteColor],
                                              NSFontAttributeName :[UIFont systemFontOfSize:14]
                                          }];
label.text            = atributeStr;
label.backgroundColor = [UIColor redColor];
label.font            = [UIFont systemFontOfSize:14];
label.numberOfLines   = 0;
label.linkAttributes       = @{NSForegroundColorAttributeName:[UIColor blackColor], NSFontAttributeName:[UIFont systemFontOfSize:16.0f]};
label.activeLinkAttributes = @{NSForegroundColorAttributeName:[UIColor blackColor], NSFontAttributeName:[UIFont systemFontOfSize:16.0f]};
NSRange serviceRange = [text rangeOfString:@"FlyElephant"];
label.delegate = self;
[self.view addSubview:label];
[label addLinkToURL:[NSURL URLWithString:@"http://www.jianshu.com/users/24da48b2ddb3/latest_articles"] withRange:serviceRange];

实现TTTAttributedLabelDelegate协议:
<pre><code>-(void)attributedLabel:(TTTAttributedLabel *)label didSelectLinkWithURL:(NSURL *)url { [[UIApplication sharedApplication] openURL:url]; }</code></pre>
如果加入了其他手势操作，会导致TTTAttributedLabel中的链接无法响应，因此需要在手势的delegate中进行判断:
<pre><code>`

• (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch {
  if ([touch.view isKindOfClass:[TTTAttributedLabel class]]) {
  return NO;
  }
  return YES;
  }`</code></pre>