在 Java 中使用 JSON 的 HTTP POST [英] HTTP POST using JSON in Java

问题描述

我想在 Java 中使用 JSON 进行简单的 HTTP POST.

I would like to make a simple HTTP POST using JSON in Java.

假设 URL 是 www.site.com

并且它接受标记为 'details' 的值 {"name":"myname","age":"20"} 例如.

and it takes in the value {"name":"myname","age":"20"} labeled as 'details' for example.

我将如何为 POST 创建语法?

How would I go about creating the syntax for the POST?

我似乎也无法在 JSON Javadocs 中找到 POST 方法.

I also can't seem to find a POST method in the JSON Javadocs.

推荐答案

以下是您需要做的:

1. 获取 Apache HttpClient，这将使您能够发出所需的请求
2. 用它创建一个 HttpPost 请求并添加标头 application/x-www-form-urlencoded
3. 创建一个 StringEntity，你将把 JSON 传递给它
4. 执行调用

1. Get the Apache HttpClient, this would enable you to make the required request
2. Create an HttpPost request with it and add the header application/x-www-form-urlencoded
3. Create a StringEntity that you will pass JSON to it
4. Execute the call

代码大致如下(您仍然需要调试它并使其工作):

The code roughly looks like (you will still need to debug it and make it work):

// @Deprecated HttpClient httpClient = new DefaultHttpClient();
HttpClient httpClient = HttpClientBuilder.create().build();
try {
    HttpPost request = new HttpPost("http://yoururl");
    StringEntity params = new StringEntity("details={"name":"xyz","age":"20"} ");
    request.addHeader("content-type", "application/x-www-form-urlencoded");
    request.setEntity(params);
    HttpResponse response = httpClient.execute(request);
} catch (Exception ex) {
} finally {
    // @Deprecated httpClient.getConnectionManager().shutdown(); 
}

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