package com.fzzy.push.gb2022;
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import com.alibaba.fastjson.JSON;
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import com.fzzy.api.dto.ResponseDto;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang.StringUtils;
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import java.io.*;
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import java.net.*;
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import java.util.*;
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/**
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* @author: vincexu
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* @ClassName: HttpClientUtil.java
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*/
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@Slf4j
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public class HttpClientUtil {
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/**
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* post formData
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* @param url
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* @param map
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* @return
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* @throws Exception
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*/
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@SuppressWarnings("resource")
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public static ResponseDto postFormData(String url, Map<String, Object> map) throws Exception {
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log.info("---------接口请求地址：" +url+ "----------参数：" + JSON.toJSONString(map) +"---------");
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BufferedReader in = null;
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URL urls = new URL(url);
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HttpURLConnection connection = null;
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OutputStream outputStream = null;
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String rs = "";
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String JSESSIONID = (String) map.get("JSESSIONID");
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ResponseDto responseDto;
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try {
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connection = (HttpURLConnection) urls.openConnection();
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connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=----footfoodapplicationrequestnetwork");
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connection.setDoOutput(true);
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connection.setDoInput(true);
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connection.setRequestProperty("Accept-Language", "zh-CN,zh;q=0.8");
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connection.setRequestProperty("Accept", "*/*");
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connection.setRequestProperty("Range", "bytes=" + "");
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connection.setConnectTimeout(20000);
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connection.setReadTimeout(30000);
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connection.setRequestMethod("POST");
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if(StringUtils.isNotEmpty(JSESSIONID)){
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// connection.setRequestProperty("Cookie", "JSESSIONID="+JSESSIONID);
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// connection.setRequestProperty(" Set-Cookies", JSESSIONID);
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connection.setRequestProperty("Cookie", "JSESSIONID="+JSESSIONID);
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}
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map.remove("JSESSIONID");
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StringBuffer buffer = new StringBuffer();
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outputStream = connection.getOutputStream();
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Set<Map.Entry<String, Object>> entries = map.entrySet();
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for (Map.Entry<String, Object> entry : entries) {
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// 每次都清空buffer，避免写入上次的数据
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buffer.delete(0, buffer.length());
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buffer.append("------footfoodapplicationrequestnetwork\r\n");
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Object value = entry.getValue();
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if (!(value instanceof File)) {
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buffer.append("Content-Disposition: form-data; name=\"");
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buffer.append(entry.getKey());
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buffer.append("\"\r\n\r\n");
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buffer.append(entry.getValue());
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buffer.append("\r\n");
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outputStream.write(buffer.toString().getBytes());
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// System.out.println(buffer.toString());
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} else {
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buffer.append("Content-Disposition: form-data; name=\"" + entry.getKey() + "\"; filename=\"" + ((File) entry.getValue()).getName() + "\"\r\n");
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buffer.append("Content-Type: " + "zip" + "\r\n\r\n");
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// System.out.println(buffer.toString());
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outputStream.write(buffer.toString().getBytes());
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File file = (File) entry.getValue();
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DataInputStream ins = new DataInputStream(new FileInputStream(file));
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int bytes = 0;
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byte[] bufferOut = new byte[1024];
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while ((bytes = ins.read(bufferOut)) != -1) {
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outputStream.write(bufferOut, 0, bytes);
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// System.out.print("A");
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}
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// 文件流后面添加换行，否则文件后面的一个参数会丢失
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outputStream.write("\r\n".getBytes());
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// System.out.println("\r\n");
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}
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}
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if (entries != null && map.size() > 0) {
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buffer.delete(0, buffer.length());
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buffer.append("------footfoodapplicationrequestnetwork--\r\n");
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// System.out.println(buffer.toString());
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}
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outputStream.write(buffer.toString().getBytes());
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try {
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connection.connect();
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if (connection.getResponseCode() == 200) {
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in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
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String line = "";
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while ((line = in.readLine()) != null) {
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rs += line;
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}
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}else{
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log.error("http状态：" + connection.getResponseCode());
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log.error("http消息：" + connection.getResponseMessage());
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}
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String serverCookies = connection.getHeaderField("Set-Cookie");
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log.info("serverCookies:" + serverCookies);
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if(serverCookies != null) {
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String[] cookies = serverCookies.split(";");
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for (String s : cookies) {
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s = s.trim();
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if (s.split("=")[0].equals("JSESSIONID")) {
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JSESSIONID = s.split("=")[1];
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}
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}
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}
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log.info("JSESSIONID:" + JSESSIONID);
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} catch (Exception e) {
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System.out.println("发生异常");
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log.error(e.getMessage(),e);
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rs = null;
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return new ResponseDto(99,e.getMessage());
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}
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log.info("---------接口返回：" + rs +"---------");
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responseDto = JSON.parseObject(rs,ResponseDto.class);
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if(responseDto == null ) return new ResponseDto(99,"接口请求发生未知错误");
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responseDto.setJSESSIONID(JSESSIONID);
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return responseDto;
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} finally {
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try {
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outputStream.close();
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if (in != null){
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in.close();
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}
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} catch (Exception e) {
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}
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outputStream = null;
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if (connection != null)
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connection.disconnect();
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connection = null;
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}
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}
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}
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