html代码
<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>若水注册登录</title></head><body> ???<div id="regres"></div> ???<form action="02-reg.php" method="post" target="regzone"> ???????<p>用户名: <input type="text" name="username"></p> ???????<p>邮件地址:<input type="text" name="email"></p> ???????<p><input type="submit" name="注册"></p> ???????<iframe name="regzone"></iframe> ???</form></body></html>
PHP代码,02-reg.php
<?php echo "<pre>";var_dump($_POST);//经过运算,注册成功,$reg=1$res=1;?><script> ???parent.document.getElementById(‘regres‘).innerHTML=‘注册成功‘; ???alert(‘1‘);</script>
测试结果截图:
form表单利用iframe高仿ajax
原文地址：https://www.cnblogs.com/wangzhaobo/p/10013943.html