ThinkPHP框架表单验证操作方法

时间：2017-08-11

(1) IndexController.class.php页面

<?php
namespace Home\Controller;
use Think\Controller;
class IndexController extends Controller {
    public function yz(){
    $u= M("users");//造一个父类对象
    if(empty($_POST)){
      $this->show();
    }else{
      $rules = array(
        array("uid","require","用户名不能为空!"),
      );
      if($u->validate($rules)->create()){//验证
        $this->ajaxReturn("ok","eval");
      }else{
        $this->ajaxReturn("no","eval");
      }
    }
  } 
｝

(2) yz.html页面：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="__ROOT__/Public/js/jquery-3.2.0.min.js"></script>
</head>
<body>
<h1>验证界面</h1>
<form action="__ACTION__" method="post">
<div><input type="text" name="uid" id="uid" /><span id="ts"></span></div>
<div><input type="submit" value="验证" /></div>
</form>
</body>
<script type="text/javascript">
$("#uid").blur(function(){
    var uid = $(this).val();
    $.ajax({
        url:"__ACTION__",
        data:{uid:uid},
        type:"POST",
        dataType:"TEXT",
        success: function(data){
            if(data.trim()=="ok")
            {
              $("#ts").html("验证通过");
            }
            else
            {
              $("#ts").html("用户名不能为空");
            }
          }
      });
  })
</script>
</html>

看一下效果：

ThinkPHP框架表单验证操作方法