iOS 区间设置字符串

NSString*moneyStr =[NSStringstringWithFormat:@"余额¥ %.2lf",moneyValue];              

NSMutableAttributedString*attributedStr =[[NSMutableAttributedStringalloc]initWithString

:moneyStr];

 [attributedStr  addAttribute:NSFontAttributeNamevalue:[UIFontfontWithName:@"Helvetica-Bold"size:16.0]range:NSMakeRange(0,3

)];

  [attributedStr   addAttribute:NSFontAttributeNamevalue:[UIFontfontWithName:@"Helvetica-Bold"size:20.0]range:NSMakeRange(3,1

)];    

[attributedStr addAttribute:NSFontAttributeNamevalue:[UIFontfontWithName:@"Helvetica-Bold"size:50.0]range:NSMakeRange(5,moneyStr.length-5

)];

 moneyLable.attributedText=attributedStr;