信息发送来回AJAX [英] sending information back and forth with AJAX

问题描述

使用$。员额，你可以当你需要从服务器接收信息，将信息发送到服务器，但什么？

With $.post, you can send information to the server, but what when you need to receive information from the server?

如何被，可以由一个PHP变量举行是的，可以通过持有一种方式做信息变更的JavaScript变量，反之亦然？

How does information change from being of a way that can be held by a php variable to being of a way that can be held by a javascript variable and vice-versa?

推荐答案

这是更切合你的问题：的 http://docs.jquery.com/Ajax/jQuery.post

This is more relevant to your question: http://docs.jquery.com/Ajax/jQuery.post

从请求test.php的（HTML或XML，这取决于返回）通知了结果。

Alert out the results from requesting test.php (HTML or XML, depending on what was returned).

$.post("test.php", function(data){
  alert("Data Loaded: " + data);
});

通知从请求test.php的结果与数据的附加有效载荷（HTML或XML，根据什么被返回）。

Alert out the results from requesting test.php with an additional payload of data (HTML or XML, depending on what was returned).

$.post("test.php", { name: "John", time: "2pm" },
  function(data){
    alert("Data Loaded: " + data);
  });

获取test.php的网页内容，将其存储在XMLHtt presponse对象和应用程序（）JavaScript函数。

Gets the test.php page content, store it in a XMLHttpResponse object and applies the process() JavaScript function.

$.post("test.php", { name: "John", time: "2pm" },
  function(data){
    process(data);
  }, "xml");

获得已JSON格式（约翰福音，时间=>2:00））被返回的test.php的页面内容; ？>）

Gets the test.php page contents which has been returned in json format ("John","time"=>"2pm")); ?>)

$.post("test.php", { func: "getNameAndTime" },
  function(data){
    alert(data.name); // John
    console.log(data.time); //  2pm
  }, "json");

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