java test post request how to set parameters passed in the body and how to receive them
public String post(String strURL,String params) {
System.out.println(strURL);
System.out.println(params);
try {
URL url = new URL(strURL);// 创建连接
HttpURLConnection connection = (HttpURLConnection)
url.openConnection();
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setInstanceFollowRedirects(true);
connection.setRequestMethod("POST");// 设置请求方式
connection.setRequestProperty("Accept","application/json");// 设置接收数据的格式
connection.setRequestProperty("Content-Type","application/json");// 设置发送数据的格式
connection.connect(); OutputStreamWriter out = new OutputStreamWriter( connection.getOutputStream(),"UTF-8");// utf-8编码
out.append(params); out.flush(); out.close(); // 读取响应
int length = (int) connection.getContentLength();// 获取长度
InputStream is = connection.getInputStream();
if (length != -1){
byte[] data = new byte[length];
byte[] temp = new byte[512];
int readLen = 0; int destPos = 0;
while ((readLen = is.read(temp)) > 0){
System.arraycopy(temp, 0, data, destPos, readLen);
destPos += readLen;
}
String result = new String(data, "UTF-8");
System.out.println(result);
return result;
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return "error";
}
@RequestMapping(value="/text", method = RequestMethod.POST)
@ResponseBody
public String text(HttpServletRequest request,HttpServletResponse response,@RequestBody String t){
System.out.println(t);
return "DetailedRules";
}
