添加上传文件服务器功能
This commit is contained in:
91
src/main/java/com/xkrs/util/FileServerTool.java
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91
src/main/java/com/xkrs/util/FileServerTool.java
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package com.xkrs.util;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.xkrs.model.vo.FileServerResultVo;
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import org.apache.http.HttpEntity;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.util.EntityUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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/**
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* 文件服务器工具
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* @author tajochen
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*/
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public class FileServerTool {
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private static final String FIREFOX_UA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) " +
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"Gecko/20100101 Firefox/91.0";
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/**
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* 发送管理命令到文件服务器
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* @param url 文件服务器路径
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* @param map 命令参数集
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* @return
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*/
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public static FileServerResultVo postFileManage(String url, Map<String,String> map){
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Logger log = LoggerFactory.getLogger(RequestUtil.class);
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String body = "";
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// 创建httpclient对象
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CloseableHttpClient client = HttpClients.createDefault();
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// 创建post方式请求对象
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HttpPost httpPost = new HttpPost(url);
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// 装填参数
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List<NameValuePair> nvps = new ArrayList<>();
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if(map!=null){
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for (Map.Entry<String, String> entry : map.entrySet()) {
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nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
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}
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}
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try {
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// 设置参数到请求对象中
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httpPost.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"));
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// 设置header报文头信息
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httpPost.setHeader("Content-type", "application/x-www-form-urlencoded");
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httpPost.setHeader("User-Agent", FIREFOX_UA);
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httpPost.setHeader("Accept", "application");
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httpPost.setHeader("Accept-Encoding", "gzip, deflate");
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// 执行请求操作，并拿到结果（同步阻塞）
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CloseableHttpResponse response = client.execute(httpPost);
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// 获取结果实体
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HttpEntity entity = response.getEntity();
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if (entity != null) {
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// 按指定编码转换结果实体为String类型
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body = EntityUtils.toString(entity, "UTF-8");
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}
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EntityUtils.consume(entity);
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// 释放链接
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response.close();
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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try {
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client.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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FileServerResultVo fileServerResultVo = new FileServerResultVo();
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ObjectMapper mapper = new ObjectMapper();
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try {
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fileServerResultVo = mapper.readValue(body, FileServerResultVo.class);
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} catch (JsonProcessingException e) {
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e.printStackTrace();
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log.warn(e.toString());
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}
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return fileServerResultVo;
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}
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}
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188
src/main/java/com/xkrs/util/RequestUtil.java
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src/main/java/com/xkrs/util/RequestUtil.java
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package com.xkrs.util;
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import org.apache.http.Consts;
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import org.apache.http.HttpEntity;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.utils.URIBuilder;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.mime.HttpMultipartMode;
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import org.apache.http.entity.mime.MultipartEntityBuilder;
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import org.apache.http.entity.mime.content.StringBody;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.util.EntityUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.File;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.util.*;
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/**
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* http请求工具
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* @author tajochen
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**/
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public class RequestUtil {
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private static final String FIREFOX_UA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0";
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private static final String CHROME_UA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 " +
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"(KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36";
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/**
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* 模拟 get请求
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* @param url 链接
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* @param map 参数列表
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*/
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public static String getStandard(String url, Map<String,String> map) {
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String body = "";
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// 1.拿到一个httpclient的对象
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CloseableHttpClient httpClient = HttpClients.createDefault();
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// 2.1 提交请求体
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ArrayList<NameValuePair> parameters = new ArrayList<>();
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URIBuilder builder = null;
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// 装填参数
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if(map!=null){
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for (Map.Entry<String, String> entry : map.entrySet()) {
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parameters.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
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}
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}
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CloseableHttpResponse response = null;
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try {
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builder = new URIBuilder(url);
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builder.setParameters(parameters);
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// 2.设置请求方式和请求信息
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HttpGet httpGet = new HttpGet(builder.build());
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// 2.1 提交header头信息
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httpGet.addHeader("user-agent", FIREFOX_UA);
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// 3.执行请求
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response = httpClient.execute(httpGet);
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// 4.获取返回值
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assert response != null;
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// 按指定编码转换结果实体为String类型
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body = EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);
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// 5.关闭连接
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response.close();
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httpClient.close();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return body;
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}
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/**
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* 模拟Post请求 application/x-www-form-urlencoded
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* @param url 资源地址
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* @param map 参数列表
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* @return
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*/
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public static String postStandard(String url, Map<String,String> map) {
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String body = "";
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// 创建httpclient对象
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CloseableHttpClient client = HttpClients.createDefault();
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// 创建post方式请求对象
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HttpPost httpPost = new HttpPost(url);
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// 装填参数
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List<NameValuePair> nvps = new ArrayList<>();
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if(map!=null){
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for (Map.Entry<String, String> entry : map.entrySet()) {
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nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
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}
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}
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try {
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// 设置参数到请求对象中
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httpPost.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"));
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// 设置header报文头信息
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httpPost.setHeader("Content-type", "application/x-www-form-urlencoded");
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httpPost.setHeader("User-Agent", FIREFOX_UA);
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httpPost.setHeader("Accept", "application");
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httpPost.setHeader("Accept-Encoding", "gzip, deflate");
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// 执行请求操作，并拿到结果（同步阻塞）
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CloseableHttpResponse response = client.execute(httpPost);
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// 获取结果实体
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HttpEntity entity = response.getEntity();
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if (entity != null) {
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// 按指定编码转换结果实体为String类型
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body = EntityUtils.toString(entity, "UTF-8");
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}
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EntityUtils.consume(entity);
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// 释放链接
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response.close();
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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try {
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client.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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return body;
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}
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/**
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* 模拟Post请求 multipart/form-data
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* @param postFile 请求文件
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* @param postUrl 请求链接
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* @param postParam 请求参数
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* @return
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*/
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public static String postFile(File postFile, String postUrl, Map<String,String> postParam) {
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Logger log = LoggerFactory.getLogger(RequestUtil.class);
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String body = "";
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Map<String,Object> resultMap = new HashMap<>(16);
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CloseableHttpClient httpClient = HttpClients.createDefault();
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try{
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// 把一个普通参数和文件上传给下面这个地址
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HttpPost httpPost = new HttpPost(postUrl);
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// 设置传输参数
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MultipartEntityBuilder multipartEntity = MultipartEntityBuilder.create();
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// 解决乱码问题
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multipartEntity.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
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multipartEntity.setCharset(StandardCharsets.UTF_8);
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// 设置文件参数 ，获取文件名postFile.getName()
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// 把文件转换成流对象FileBody
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multipartEntity.addBinaryBody("file",postFile,ContentType.create("multipart/form-data",
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Consts.UTF_8),postFile.getName());
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// 设计文件以外的参数
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Set<String> keySet = postParam.keySet();
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for (String key : keySet) {
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// 相当于<input type="text" name="name" value=name>
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multipartEntity.addPart(key, new StringBody(postParam.get(key), ContentType.create(
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"multipart/form-data", Consts.UTF_8)));
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}
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HttpEntity reqEntity = multipartEntity.build();
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httpPost.setEntity(reqEntity);
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// 设置header报文头信息
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httpPost.setHeader("User-Agent", FIREFOX_UA);
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httpPost.setHeader("Accept","text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
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httpPost.setHeader("Accept-Encoding","gzip, deflate");
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// 发起请求，返回请求的响应
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try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
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resultMap.put("statusCode", response.getStatusLine().getStatusCode());
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// 获取响应对象
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HttpEntity resEntity = response.getEntity();
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if (resEntity != null) {
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// 按指定编码转换结果实体为String类型
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body = EntityUtils.toString(resEntity, StandardCharsets.UTF_8);
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}
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// 销毁
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EntityUtils.consume(resEntity);
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} catch (Exception e) {
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e.printStackTrace();
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}
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httpClient.close();
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} catch (IOException e1) {
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e1.printStackTrace();
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}
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return body;
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}
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}
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