java通用post请求
package com.example.climbnumber.yzm; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.util.EntityUtils; public class Test04 { public static void main(String[] args) { JSONObject jsonObject = JSONObject.parseObject("{\n" + " \"body\": {\n" + " \"uuid\": \"\",\n" + " \"scenes\": \"xxxx(91522301MA6DJJYG2C)\"\n" + " },\n" + " \"head\": {\n" + " \"transCode\": \"\",\n" + " \"traceId\": \"\"\n" + " }\n" + "}"); JSONObject result = sendPost("www.baidu.com",jsonObject); System.out.println("================================"); System.out.println(result.toJSONString()); } public static JSONObject sendPost(String url,JSONObject param){ //定义接收数据 JSONObject result = new JSONObject(); HttpPost httpPost = new HttpPost(url); CloseableHttpClient client = HttpClients.createDefault(); //请求参数转JOSN字符串 StringEntity entity = new StringEntity(param.toJSONString(), "UTF-8"); entity.setContentEncoding("UTF-8"); entity.setContentType("application/json"); httpPost.setEntity(entity); try { HttpResponse response = client.execute(httpPost); if (response.getStatusLine().getStatusCode() == 200) { result = JSON.parseObject(EntityUtils.toString(response.getEntity(), "UTF-8")); } } catch (Exception e) { e.printStackTrace(); result.put("error", "连接错误!"); } return result; } }