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Another way to submit form in php without refreshing

墨辰丷

Release： 2018-05-09 22:12:15

Original

1525 people have browsed it

Usually for non-refresh submission forms, we use ajax to implement it. Some time ago I learned about another way to submit a form without refreshing. Now I’ve sorted it out and shared it with everyone.

html page:

<!DOCTYPE HTML>
<html>
<head>
    <meta charset="utf-8">
    <title>无刷新提交表单</title>
    <style type="text/css">
        ul{ list-style-type:none;}
    </style>
</head>
<body>
    <iframe name="formsubmit" style="display:none;">
    </iframe>

    <!-- 将form表单提交的窗口指向隐藏的ifrmae,并通过ifrmae提交数据。 -->
    <form action="form.php" method="POST" name="formphp" target="formsubmit">
       <ul>
            <li>
                <label for="uname">用户名：</label>
                <input type="text" name="uname" id="uname" />
            </li>
            <li>
                <label for="pwd">密  码：</label>
                <input type="password" name="pwd" id="pwd" />
            </li>
            <li>
                <input type="submit" value="登录" />
            </li>
       </ul>
    </form>
</body>
</html>

Copy after login

php page:

<?php
  //非空验证
  if(empty($_POST[&#39;uname&#39;]) || empty($_POST[&#39;pwd&#39;]))
  {
    echo &#39;<script type="text/javascript">alert("用户名或密码为空!");</script>&#39;;
    exit;
  }

  //验证密码
  if($_POST[&#39;uname&#39;] != &#39;jack&#39; || $_POST[&#39;pwd&#39;] != &#39;123456&#39;)
  {
    echo &#39;<script type="text/javascript">alert("用户名或密码不正确!");</script>&#39;;
    exit;
  } else {
    echo &#39;<script type="text/javascript">alert("登录成功!");</script>&#39;;
    exit;
  }

Copy after login

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