a = {
        username: $("#userName")[0].value,
        type: 3
      }
      $.post({
        url: `${project_name}sqli/showUserByUserName`,
        data,
        success(resp){
          console.log(resp)
          let user = resp['user'];
          if (user.msg === 'ok'){
            $("#userData")[0].innerHTML = `<tr>
              <td>${user.id}</td>
              <td>${user.username}</td>
            </tr>`;
            $("#notice")[0].innerHTML ='';
          } else {
            $("#userData")[0].i