OC_字符串显示不同颜色

来源：互联网发布：vibe算法改进代码编辑：程序博客网时间：2024/05/21 19:40

UILabel *lab = [[UILabel alloc]init];
    lab.frame = CGRectMake(20, 100, 300, 30);
    [self.view addSubview:lab];

    NSMutableAttributedString *aString;
    NSString *integralStr = @"integral";

    NSString *archStr = @"material";

    NSString *freightStr = @"shipping_fee";


    aString = [[NSMutableAttributedString alloc]initWithString:[NSString stringWithFormat:@"合计积分：%@ 消费券：%@ (运费：%@)",integralStr,archStr,freightStr]];

    [aString addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(6, integralStr.length)];

    [aString addAttribute:NSForegroundColorAttributeName value:[UIColor blueColor] range:NSMakeRange( integralStr.length + 11, archStr.length)];

lab.attributedText = aString;

效果如图：

如果有时候数字是2位数或者更多，需要让数字显示成红色。给自己mark了一个方法：

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