为什么PHP不能接收。。
$.ajax({<br />
type: "POST",<br />
url: "index.php",<br />
data: "location=img_png_src",<br />
success: function(msg){<br />
alert( "Data Saved: " + msg );<br />
}<br />
});<br />
<?php echo $_POST["location"]; ?>
<?php<br />
if($_SERVER['REQUEST_METHOD'] == "POST") {<br />
print_r($_POST);<br />
exit();<br />
}<br />
?><br />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.3/jquery.min.js"></script><br />
<script><br />
$(function() {<br />
$.ajax({<br />
type: "POST",<br />
// url: "index.php",<br />
data: "location=img_png_src",<br />
success: function(msg){<br />
alert( "Data Saved: " + msg );<br />
}<br />
});<br />
});<br />
</script><br />
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
