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[英]How to send query parameters to POST request from Java client, and receive using @QueryParam
[英]Send http post request to URL with query string using HttpPost client in java
我需要向网址发送发帖请求,其格式如下:
www.abc.com/service/postsomething?data={'name':'rikesh'}&id=45
在Java中使用HttpPost客户端,如何将请求发布到这样的查询字符串,我可以通过Ajax从javascript轻松连接,但是从Java客户端失败。
(我知道在发布请求中发送查询字符串是愚蠢的主意。由于我正在连接到其他人的服务器,因此无法更改其方式)
这是使用Java(不带Apache库)在POST请求中发送JSON的一种方法。 您可能会发现这很有帮助:
//init
String json = "{\"name\":\"rikesh\"}";
String requestString = "http://www.example.com/service/postsomething?id=45";
//send request
URL url = new URL(requestString);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
OutputStream os = conn.getOutputStream();
os.write(json.getBytes());
os.flush();
int responseCode = conn.getResponseCode();
//get result if there is one
if(responseCode == 200) //HTTP 200: Response OK
{
String result = "";
BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String output;
while((output = br.readLine()) != null)
{
result += output;
}
System.out.println("Response message: " + result);
}
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