UILabel的相关方法设置
(1)设置UILabel的字体不一样颜色
NSMutableAttributedString*str = [[NSMutableAttributedString alloc] initWithString:dic[@"praise"]];
[straddAttribute:NSForegroundColorAttributeName value:GJGRGB16Color(0xff5252) range:NSMakeRange(0, str.length - 1)];
cell.originalPriceLabel.attributedText= str;