NSDictionary *dic = dataArr[indexPath.row];
// cell.textLabel.text = dic[@"name"];
// cell.detailTextLabel.text = dic[@"age"];
// 原始搜索结果字符串.
NSString *originResult = dataArr[indexPath.row][@"name"];
// 获取关键字的位置
NSRange range = [originResult rangeOfString:text];
// 转换成可以操作的字符串类型.
NSMutableAttributedString *attribute = [[NSMutableAttributedString alloc] initWithString:originResult];
// 添加属性(粗体)
[attribute addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:15] range:range];
// 关键字高亮
[attribute addAttribute:NSForegroundColorAttributeName value:RGB(255, 141, 10) range:range];
// 将带属性的字符串添加到cell.textLabel上.
[cell.textLabel setAttributedText:attribute];
cell.textLabel.text = dic[@"name"];
cell.detailTextLabel.text = dic[@"age"];
