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];
