httpclient4.5 文件上传

 

compile group: 'commons-fileupload', name: 'commons-fileupload', version: '1.3.1'

compile group: 'commons-io', name: 'commons-io', version: '2.5'

compile group: 'org.apache.httpcomponents', name: 'httpmime', version: '4.3.6'

compile group: 'org.apache.httpcomponents', name: 'httpcore', version: '4.4.6'

// https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient

compile group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.2'

 

 

 

package com.cloud.test;

 

import java.io.File;

import java.io.IOException;

import java.nio.charset.Charset;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.Map.Entry;

 

import org.apache.http.HttpEntity;

import org.apache.http.HttpStatus;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.config.RequestConfig;

import org.apache.http.client.methods.CloseableHttpResponse;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.mime.MultipartEntity;

import org.apache.http.entity.mime.content.FileBody;

import org.apache.http.entity.mime.content.StringBody;

import org.apache.http.impl.client.CloseableHttpClient;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.util.EntityUtils;

 

public class HttpFilePost {

 

 

 

public static void main(String[] args) {

//上传文件

String fileName ="d:/123456.txt";

 

        HttpFilePost json = new HttpFilePost();        

        String url ="http://localhost:8080/cloud_server/nocheck/file/agree.do";

        //pic1,pic2,zip 上传文件 from 中的名称

        try {

        Map<String,String> map = new HashMap<String,String>();

        map.put("pic1", fileName);

        //map.put("pic2", fileName);

        //map.put("zip", fileName);

        //pickupId 文本框名称

        Map<String,String> param = new HashMap<String,String>();

        param.put("status", "4");

        param.put("pickupId", "104993");

        param.put("cause", "质量原因 ");

        param.put("connectname", "姓名信息");

        param.put("connectphone", "15902248763");

        param.put("details", "内容");

 

       

       

       

json.post(url, map,param);

} catch (IOException e) {

e.printStackTrace();

}

 

//{"resData":{"status":"1","message":"成功","data":null},"token":null}

}

 

 

private RequestConfig requestConfig = RequestConfig.custom()  

           .setSocketTimeout(15000)  

           .setConnectTimeout(15000)  

            .setConnectionRequestTimeout(15000)  

            .build();  

      

private final String charSet ="UTF-8"; 

public void post(String url,Map<String,String> fileList,Map<String,String> param) throws ClientProtocolException, IOException {

//HttpClient httpclient = new DefaultHttpClient();

 

CloseableHttpClient httpclient = HttpClients.createDefault();

 

HttpPost post = new HttpPost(url);

post.setConfig(requestConfig);

MultipartEntity entity = new MultipartEntity();

 

//上传文件

if(null != fileList){

Iterator<Entry<String, String>> item = fileList.entrySet().iterator();

while(item.hasNext()){

Entry<String,String> it = item.next();

FileBody fileBody = new FileBody(new File(it.getValue()));

entity.addPart(it.getKey(), fileBody);

}

}

 

//请求参数

if(null != param){

Iterator<Entry<String, String>> item = param.entrySet().iterator();

while(item.hasNext()){

Entry<String,String> it = item.next();

//编码格式utf-8

StringBody stringBody = new StringBody(it.getValue(),Charset.forName(charSet));

entity.addPart(it.getKey(), stringBody);

}

}

 

post.setEntity(entity);

 

CloseableHttpResponse  response = httpclient.execute(post);

if (HttpStatus.SC_OK == response.getStatusLine().getStatusCode()) {

HttpEntity entitys = response.getEntity();

if (entity != null) {

System.out.println(EntityUtils.toString(entitys,charSet));

}

}

 

//关闭

if(null !=response){

response.close();

}

 

if(null != httpclient){

httpclient.close();

}

}

 

//防止上传文件名称中文乱码

public void post436(String url,Map<String,String> fileList,Map<String,String> param) throws ClientProtocolException, IOException {

//httpclient 4.36 版本

CloseableHttpClient httpclient = HttpClients.createDefault();

HttpPost post = new HttpPost(url);

post.setConfig(requestConfig);

//MultipartEntity entity = new MultipartEntity(null,null,Charset.forName("UTF-8"));

MultipartEntityBuilder entity =  MultipartEntityBuilder.create().setMode(HttpMultipartMode.BROWSER_COMPATIBLE);

//上传文件

if(null != fileList){

Iterator<Entry<String, String>> item = fileList.entrySet().iterator();

while(item.hasNext()){

Entry<String,String> it = item.next();

FileBody fileBody = new FileBody(new File(it.getValue()));//,"application/octet-stream","UTF-8"

entity.addPart(it.getKey(), fileBody);

}

}

//请求参数

if(null != param){

Iterator<Entry<String, String>> item = param.entrySet().iterator();

while(item.hasNext()){

Entry<String,String> it = item.next();

//编码格式utf-8

StringBody stringBody = new StringBody(it.getValue(), ContentType.create(

           "text/plain", Consts.UTF_8));

//new StringBody(it.getValue(),Charset.forName(charSet));

entity.addPart(it.getKey(), stringBody);

}

}

post.setEntity(entity.setCharset(CharsetUtils.get("UTF-8")).build());

CloseableHttpResponse  response = httpclient.execute(post);

if (HttpStatus.SC_OK == response.getStatusLine().getStatusCode()) {

HttpEntity entitys = response.getEntity();

if (entity != null) {

System.out.println(EntityUtils.toString(entitys,charSet));

}

}

//关闭

if(null !=response){

response.close();

}

if(null != httpclient){

httpclient.close();

}

}

 

}