富文本

NSString *string = [NSString stringWithFormat:@"¥%d起送",self.goods.lowPrice];
NSMutableAttributedString *attributeString = [[NSMutableAttributedString alloc]initWithString:string];
    int Stringlength = (int)string.length;
    NSLog(@"%@",attributeString);
    [attributeString beginEditing];
    [attributeString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:20] range:NSMakeRange(1,Stringlength-3)];
    [attributeString addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, Stringlength-2)];
    self.lowPriceLabel.attributedText = attributeString;