Htpp中web通讯发送post(上传文件)、get请求

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已于 2024-12-17 09:25:58 修改 · 335 阅读

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文章标签：

#java #post #get #http请求

于 2024-12-17 09:06:27 首次发布

一、正常发送post请求

1、引入pom文件

      <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5</version>
        </dependency>

2、这个是发送至正常的post、get请求

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
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.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Map;
import java.util.Set;

public class HttpClientUtils {
   
   
    private static final Logger logger = LogManager.getLogger(HttpClientUtils.class);


//测试方法
//    public static void main(String[] args) throws IOException {
   
   
//        String url="htt";
//        String str = "{
   
   \"username\":\"111\",\"password\":\"Tx222\"}";
//        HashMap<String, String> map = new HashMap<>();
//        map.put("username", "111");
//        map.put("password", "222");
//     //   System.out.println(post(url,map));
//        System.out.println("===================================");
//        System.out.println(JSONObject.toJSONString(map));
//        System.out.println(post(url,JSONObject.toJSONString(map)));
//    }

//data为 JSONObject.toJSONString(map)
     public static String post(String url, String data) throws IOException {
   
   
//