直接看代码：

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    UILabel *label = [[UILabelalloc]initWithFrame:CGRectMake(10,70,300,200)];

    label.numberOfLines = 0;

    label.backgroundColor = [UIColorcolorWithRed:235/255.0green:235/255.0blue:235/255.0alpha:1];

//------

   NSMutableAttributedString *text = [[NSMutableAttributedStringalloc]initWithString:@"1321313123211273127318273819273817381738713712837173812731837128371297319737131719371273187328193721731793\n"];

   //设置字体颜色

    [textaddAttribute:NSForegroundColorAttributeNamevalue:[UIColorredColor]range:NSMakeRange(0, text.length)];

   //设置缩进、行距

   NSMutableParagraphStyle *style = [[NSMutableParagraphStylealloc]init];

    style.headIndent = 30;//缩进

    style.firstLineHeadIndent =0;

    style.lineSpacing = 10;//行距

    [textaddAttribute:NSParagraphStyleAttributeNamevalue:stylerange:NSMakeRange(0, text.length)];

//------

//------

   NSMutableAttributedString *text2 = [[NSMutableAttributedStringalloc]initWithString:@"eqeqeuqoeuquequeqeqwuequeqoueqowueqoueqoshfkahfksdafhkalhfkdshf"];

   //设置字体颜色

    [text2addAttribute:NSForegroundColorAttributeNamevalue:[UIColorblueColor]range:NSMakeRange(0, text2.length)];

   //设置缩进、行距

   NSMutableParagraphStyle *style2 = [[NSMutableParagraphStylealloc]init];

    style2.headIndent = 0;

    style2.firstLineHeadIndent =20;

    style2.lineSpacing = 5;

    [text2addAttribute:NSParagraphStyleAttributeNamevalue:style2range:NSMakeRange(0, text2.length)];

//------

    [textappendAttributedString:text2];

    label.attributedText = text;

    [self.view addSubview:label];