第三十三篇、富文本 NSMutableAttributedString

// 设置颜色等
NSMutableDictionary *arrDic = [NSMutableDictionary dictionary];
arrDic[NSForegroundColorAttributeName] = [UIColor purpleColor];
arrDic[NSBackgroundColorAttributeName] = [UIColor greenColor];
arrDic[NSKernAttributeName] = @10;
arrDic[NSUnderlineStyleAttributeName] = @1;

NSMutableAttributedString *attriOneStr = [[NSMutableAttributedString alloc]initWithString:@"来呀,快活呀,反正有大把时光" attributes:arrDic];
self.oneLabel.attributedText = attriOneStr;

// 简单的图文混排
NSMutableAttributedString *arrTwoStr = [[NSMutableAttributedString alloc]init];
NSMutableAttributedString *TwoChildStr = [[NSMutableAttributedString alloc]initWithString:@"你好啊"];
[arrTwoStr appendAttributedString:TwoChildStr];

NSTextAttachment *attachMent = [[NSTextAttachment alloc]init];
attachMent.image = [UIImage imageNamed:@"2"];
attachMent.bounds = CGRectMake(0, -5, 20, 20);
NSAttributedString *picStr = [NSAttributedString attributedStringWithAttachment:attachMent];
[arrTwoStr appendAttributedString:picStr];

NSAttributedString *TwooStr = [[NSAttributedString alloc]initWithString:@"我是小菜鸟"];
[arrTwoStr appendAttributedString:TwooStr];
self.twoLabel.attributedText = arrTwoStr;