最近做了個評論回復(fù)功能，要求用戶名變色，找了下方法，總結(jié)下

代碼部分1

結(jié)果部分：

結(jié)果部分1

UILabel 中間部分文字改變顏色方法

代碼部分2

結(jié)果部分：

結(jié)果部分2

UILabel *contentStr = [[UILabel alloc] initWithFrame:CGRectMake(10, 100, 300, 25)];

? ? NSString *userName=@"張三";

? ? NSString *replyUserName=@"李四";

? ? NSString *content=@"有機(jī)會看看了";

? ? NSString *string = [NSString stringWithFormat:@"%@：%@",userName,content];

? ? if (replyUserName.length != 0) {

? ? ? string = [NSString stringWithFormat:@"%@回復(fù)%@：%@",userName,replyUserName,content];

? ? }

? ? NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:string];

? ? [text addAttribute:NSForegroundColorAttributeName value:[UIColor? redColor] range:[string rangeOfString:userName]];

? ? if (replyUserName.length != 0) {

? ? ? ? [text addAttribute:NSForegroundColorAttributeName value:[UIColor? redColor] range:[string rangeOfString:replyUserName]];

? ? }

? ? contentStr.attributedText = text;

? ? [self.view addSubview:contentStr];

? ? UILabel *shifuLab = [[UILabel alloc] initWithFrame:CGRectMake(10, 200, 300, 25)];

? ? NSString *str1 = @"￥";

? ? long len1 = [str1 length];

? ? NSString *shuliangStr =[NSString stringWithFormat:@"共計%d件商品",1223423];

? ? long len2 = [shuliangStr length];

? ? NSString *str = [NSString stringWithFormat:@"￥%@? ? 實(shí)付:%.2f元",shuliangStr,3434.00];

? ? NSMutableAttributedString *str2 = [[NSMutableAttributedString alloc]initWithString:str];

? ? [str2 addAttribute:NSForegroundColorAttributeName value:[UIColor? redColor] range:NSMakeRange(len1,len2)];

? ? [str2 addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:15.0f] range:NSMakeRange(len1,len2)];

? ? shifuLab.attributedText = str2;

? ? [self.view addSubview:shifuLab];

UILabel *coverLab = [[UILabel alloc] initWithFrame:CGRectMake(10, 100, 300, 25)];

NSString *vipNumber=@"VIP會員";

? ? NSString *coverStr=[NSString stringWithFormat:@"尊敬的用戶，該視頻僅限 %@ 觀看",vipNumber];

? ? NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:coverStr];

? ? [text addAttribute:NSForegroundColorAttributeName value:[UIColor? greenColor] range:[coverStr rangeOfString:vipNumber]];

? ? coverLab.attributedText = text;