iframe式ajax调用示例

  1.新建 a.html

  

复制代码 代码如下:

  <!doctype html>

  <html>

  <head>

  <meta charset='utf-8'>

  <title>iframe式ajax调用</title>

  </head>

  <body>

  <form action='b.php' method='post' name='' id='' target='formTarget'>

  <input type='text' name='username' id='' placeholder='' value='' />

  <input type='submit' name='' value='提交' />

  <span id='msg'></span>

  </form>

  <iframe src='' name='formTarget' id='formTarget' style='display:none'></iframe>

  </body>

  </html>

  2.新建 b.php

  

复制代码 代码如下:

  <?php

  echo "

  <script>

  parent.document.getElementById('msg').innerHTML = 'iframe式ajax调用成功!';

  alert('您输入的是:{$_POST['username']}');

  window.setTimeout(function(){

  parent.window.location.reload();

  },3000);

  </script>

  ";

  3.访问: http://localhost/a.html

  效果如图

iframe式ajax调用示例