The XML string that is submitted in Ajax using the Post method, how the server side echoes back to the client

How does the server side echo back to the client when the XML string is submitted in Ajax using the Post method?
The original code on the symbol:



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------Solution--------------------
Client: The following function should add the processing after receiving.
Function Show () {
if (xmlhttp.readystate==4) {
if (xmlhttp.status==200) {
var return_value = Xmlhttp.responsexml;
You then process the value that is returned.
}
}
Server side: In postxml.php
Output an XML-formatted object based on the parameters you get.


I was just in touch. If there is any mistake, please understand.

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