更改UILabel的字体样式及某段文字中的颜色

 NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:content];    [str addAttribute:NSForegroundColorAttributeName value:WEIXINSYSTEM_COLOR range:range1];    [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Arial-BoldItalicMT" size:10.0] range:NSMakeRange(0, 5)];    [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"HelveticaNeue-Bold" size:10.0] range:NSMakeRange(6, 12)];    [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Courier-BoldOblique" size:10.0] range:NSMakeRange(19, 6)];    cell.awardCount_attLabel.attributedText = str;

原创地址：http://blog.csdn.net/hengshujiyi/article/details/41514927