CoreTextLabel把HTML的特殊标注内容通过自定义的字体和颜色在标签上显示。也可以设定点击链接的时候的操作。 -With CoreTextLabel you are able draw NSAttributedString or HTML with custom font and color in iOS (>= 5.0) applications. numberOfLines and truncation (NSLineBreakByTruncatingTail) is