HttpMethod工具类

package com.dzbh.nonghang.utils;

import com.alibaba.fastjson.JSON;
import com.dzbh.nonghang.pojo.TestResult;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;


public class HttpMethod {

	public static final String guaranteeApplyURL="http://127.0.0.1:8080/nh/select";

	// 测试申请保函
	public static void main(String[] args) throws Exception {
		Map<String,Object> map = new HashMap<>();
		map.put("orderId","订单号由外部机构生成");
		map.put("bankCode","金融机构编号");
		map.put("sectionCode","标段（项目）名称");
		map.put("projectCode","标段（项目）编号");
		map.put("bidderName","投标人名称");
		map.put("bidderCode","投标人统一社会信用代码");
		map.put("bidderAddress","投标人地址");
		map.put("bidderContactPhoneNumber","投标人电话");
		map.put("tenderer","招标（采购）人名称");
		map.put("tendererCode","招标人统一信用社会代码");
		map.put("tendererContactPhone","招标人电话");
		map.put("tendererAddress","招标（采购）人地址");
		map.put("tenderBond",1.55);
		map.put("tenderStartTime","投标生效日期（开标时间）yyyy-MM-dd");
		map.put("tenderExpire","投标有效期至");
		map.put("signStr","验签加密串");
		String s = JSON.toJSONString(map);


		//System.out.println("转为json后:"+ JSON.toJSONString(map));
		//String url = "http://39.101.186.230:80/select";

		String url = "http://127.0.0.1:8080/nh/select";

		// 发起请求
		String resutlt = connect(url, s);

		System.out.println("响应结果----->"+resutlt);

		// 序列化成对象
		TestResult result = JSON.parseObject(resutlt, TestResult.class);

		System.out.println("getErrorCode:-->"+result.getErrorCode());
		System.out.println("getErrorMsg:-->"+result.getErrorMsg());
		System.out.println("getJumpUrl:-->"+result.getJumpUrl());

		/*System.out.println("orderApply:---->"+ orderApply.toString());
		System.out.println("orderApply:"+ orderApply);
		System.out.println("orderId:"+ orderApply.getOrderId());*/
	}

	public static String connect(String url, String info) throws IOException {
		// 建立连接
		HttpURLConnection conn = (HttpURLConnection) new URL(url)
				.openConnection();
		conn.setConnectTimeout(8000);
		conn.setRequestMethod("POST");
		conn.setInstanceFollowRedirects(false);
		// 设置json格式传递参数
		conn.setRequestProperty("Content-Type",
				"application/json;charset=utf-8");// 设置参数类型是json格式
		conn.setDoOutput(true);
		OutputStreamWriter out = null;
		StringBuffer str = new StringBuffer();
		BufferedReader reader = null;
		try {
			// 发送数据
			out = new OutputStreamWriter(conn.getOutputStream(), "utf-8");
			out.write(info);
			out.flush();

			// 获取数据
			reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));

			// 接收数据
			String line;

			while ((line = reader.readLine()) != null) {
				str.append(line);
			}
			reader.close();
			out.close();
		} catch (Exception e) {
			// TODO: handle exception
		}finally{
			reader.close();
			out.close();
		}
		return str.toString();
	}
}

本文地址：https://blog.csdn.net/weixin_45724648/article/details/109641962