UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(50, 100, 120, 30)];
label.font = [UIFont systemFontOfSize:16.0f];
label.textColor = [UIColor blackColor];
label.numberOfLines = 0;
// 遇到\n自动换行
label.lineBreakMode = NSLineBreakByWordWrapping;
[self.view addSubview:label];
NSMutableAttributedString *textStr = [[NSMutableAttributedString alloc]initWithString:@"张三 已预约"];
// 获取要调整文字样式的位置
NSRange range = [[textStr string]rangeOfString:@"张三"];
// value: 就是要改变的label属性(颜色、字体等)
// 设置不同字体
// [textStr addAttribute:NSFontAttributeName value:[UIFont boldSystemFontOfSize:20.0f] range:range];
// 设置不同颜色
[textStr addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:range];
label.attributedText = textStr;
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