/*
 * @Author: Kane
 * @Date: 2022-04-18 11:37:33
 * @LastEditors: Kane
 * @LastEditTime: 2022-04-18 11:41:09
 * @FilePath: \undefinedd:\develop\产险厦门分公司项目\天气灾害预警\文档\example.java
 * @Description: 
 * 
 * Copyright (c) ${2022} by Kane, All Rights Reserved. 
 */
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.StringRequestEntity;

public class HttpUtils {
    public static String sendPostWithJson(String url, String jsonStr, HashMap<String,String> headers) {
           // 返回的结果
           String jsonResult = "";

           try {
               HttpClient client = new HttpClient();
               // 连接超时
               client.getHttpConnectionManager().getParams().setConnectionTimeout(3*1000);
               // 读取数据超时
               client.getHttpConnectionManager().getParams().setSoTimeout(3*60*1000);
               client.getParams().setContentCharset("UTF-8");

               PostMethod postMethod = new PostMethod(url);
   
               postMethod.setRequestHeader("content-type", headers.get("content-type"));
              
               // 非空
               if (null != jsonStr && !"".equals(jsonStr))
               {
                   StringRequestEntity requestEntity = new StringRequestEntity(jsonStr, headers.get("content-type"), "UTF-8");
                   postMethod.setRequestEntity(requestEntity);
               }

               int status = client.executeMethod(postMethod);

               if (status == HttpStatus.SC_OK) {
                   jsonResult = postMethod.getResponseBodyAsString();
               } else {
                   throw new RuntimeException("接口连接失败！");
               }

           } catch (Exception e) {
               throw new RuntimeException("接口连接失败！");
           }
           return jsonResult;
       }

    public static void main(String[] args) 
    {
        String requestUrl = "http://localhost:8070/test/rz/server/rzxx/at_VaildToken.do";
        String jsonStr = "{\"name\":\"张三\"}";

        HashMap<String, String> headers = new HashMap<>(3);
        headers.put("content-type", "application/json");

        // 发送post请求
        String resultData = HttpUtils.sendPostWithJson(requestUrl, jsonStr,headers);
        
        // 并接收返回结果
        System.out.println(resultData);
    }
    
    
}