[英]Accessing params sent by an Ajax POST request
I am writing an Ajax request that sends a JSON-formatted string in a POST request. 我正在编写一个Ajax请求,在POST请求中发送一个JSON格式的字符串。 Here is the relevant code: 这是相关代码:
var params=jsonString;
request.onreadystatechange = functionXyz;
request.open("POST", url, true);
request.setRequestHeader("Content-type", "application/x-www-form-urlencoded")
request.send(params);
My question is how do I access the content of the POST on the other side? 我的问题是如何访问另一方的POST内容? In a typical form submission the data is sent as an associative array, but in this case I am not sure how to access the data - what the label is. 在典型的表单提交中,数据作为关联数组发送,但在这种情况下,我不确定如何访问数据 - 标签是什么。 Is it by calling $_POST["params"]
? 是通过调用$_POST["params"]
吗?
You have to set a label for the json string (which is just a string): 你必须为json字符串设置一个标签(这只是一个字符串):
request.send("params=" + encodeURIComponent(params));
Then on the server: 然后在服务器上:
$object = json_decode($_POST['params']);
If you just send a JSON string, you can extract it from the post body, but I think that's unnecessary. 如果您只是发送一个JSON字符串,您可以从帖子正文中提取它,但我认为这是不必要的。
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