示例如下:
<?php
//如果post提交,则进入if
if($_POST){
print_r($_POST);
}
?>
<!DOCTYPE HTML>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<title>PHP</title>
</head>
<body>
<form method="post" action="#">
uname:<input name='uname' type='text'/><br/>
<input name='btn' type="submit" value="提交"/>
</form>
</body>
</html>
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