package com.hx.util;
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import java.io.BufferedReader;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLEncoder;
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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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public class RequestMethod {
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/**
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* 发送Post请求
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* @param path 请求路径
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* @param params 请求参数
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* @param encoding 编码
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* @return 服务器端内容
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*/
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public static String sendPOSTRequest(String path, Map<String, String> params, String encoding) throws Exception{
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StringBuilder data = new StringBuilder();
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if(params!=null && !params.isEmpty()){
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for(Map.Entry<String, String> entry : params.entrySet()){
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data.append(entry.getKey()).append("=");
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data.append(URLEncoder.encode(entry.getValue(), encoding));
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data.append("&");
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}
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data.deleteCharAt(data.length() - 1);
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}
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byte[] entity = data.toString().getBytes();//生成实体数据
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HttpURLConnection conn = (HttpURLConnection) new URL(path).openConnection();
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conn.setConnectTimeout(5000);
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conn.setRequestMethod("POST");
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conn.setDoOutput(true);//允许对外输出数据
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conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
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OutputStream outStream = conn.getOutputStream();
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outStream.write(entity);
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if(conn.getResponseCode() == 200){
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return StreamUtils.InputStreamTOString(conn.getInputStream()) ;
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}
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return null;
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}
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/**
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* 发送Post请求
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* @param path 请求路径
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* @param content 发送内容
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* @param encoding 编码
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* @return 服务器端内容
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*/
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public static String sendPOSTRequest(String path, String content, String encoding){
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//byte[] entity = content.toString().getBytes();//生成实体数据
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try{
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HttpURLConnection conn = (HttpURLConnection) new URL(path).openConnection();
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conn.setConnectTimeout(5000);
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conn.setRequestMethod("POST");
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conn.setDoOutput(true);//允许对外输出数据
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conn.setDoInput(true);
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conn.setUseCaches(false);
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conn.setRequestProperty("Charset", encoding);
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conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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//conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
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OutputStreamWriter outStream = new OutputStreamWriter(conn.getOutputStream(),"UTF-8");
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outStream.write(content);
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outStream.flush();
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if(conn.getResponseCode() == 200){
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return StreamUtils.InputStreamTOString(conn.getInputStream());
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}
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}catch(Exception e){
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 发送Post请求
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* @param path 请求路径
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* @param content 发送内容
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* @param header 请求头参数设置
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* @param contentType 请求类型，默认application/x-www-form-urlencoded
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* @param encoding 编码，默认UTF-8
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* @return 服务器端内容
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*/
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public static String sendPOSTRequest(String path, String content,Map<String,String> header,String contentType, String encoding){
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//byte[] entity = content.toString().getBytes();//生成实体数据
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try{
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if(StringUtils.isNull(contentType)){
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contentType = "application/x-www-form-urlencoded";
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}
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if(StringUtils.isNull(encoding)){
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encoding = "UTF-8";
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}
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HttpURLConnection conn = (HttpURLConnection) new URL(path).openConnection();
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conn.setConnectTimeout(5000);
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conn.setRequestMethod("POST");
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conn.setDoOutput(true);//允许对外输出数据
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conn.setDoInput(true);
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conn.setUseCaches(false);
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conn.setRequestProperty("Charset", encoding);
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conn.setRequestProperty("Content-Type",contentType);
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if(header != null){
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for(String key:header.keySet()){//keySet获取map集合key的集合 然后在遍历key即可
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conn.setRequestProperty(key,header.get(key));
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}
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}
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//conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
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OutputStreamWriter outStream = new OutputStreamWriter(conn.getOutputStream(),"UTF-8");
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outStream.write(content);
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outStream.flush();
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if(conn.getResponseCode() == 200){
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return StreamUtils.InputStreamTOString(conn.getInputStream());
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}
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}catch(Exception e){
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 发送Post请求
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* @param path 请求路径
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* @param entity 发送内容
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* @param encoding 编码
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* @return 服务器端内容
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*/
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public static String sendPOSTRequest(String path, byte[] entity, String encoding) throws Exception{
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System.out.println("entity:" + entity.length);
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HttpURLConnection conn = (HttpURLConnection) new URL(path).openConnection();
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conn.setConnectTimeout(5000);
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conn.setRequestMethod("POST");
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conn.setDoOutput(true);//允许对外输出数据
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conn.setRequestProperty("Content-Type", "application/octet-stream");
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conn.setRequestProperty("Accept", "application/octet-stream");
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conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
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OutputStream outStream = conn.getOutputStream();
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outStream.write(entity);
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if(conn.getResponseCode() == 200){
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return StreamUtils.InputStreamTOString(conn.getInputStream());
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}
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return null;
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}
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/**
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* 发送GET请求
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* @param path 请求路径
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* @param params 请求参数
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* @return 服务器端内容
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*/
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public static String sendGETRequest(String path, Map<String, String> params, String ecoding) throws Exception{
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// http://192.168.1.100:8080/web/ManageServlet?title=xxx&timelength=90
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StringBuilder url = new StringBuilder(path);
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if(params!=null){
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url.append("?");
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for(Map.Entry<String, String> entry : params.entrySet()){
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url.append(entry.getKey()).append("=");
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url.append(URLEncoder.encode(entry.getValue(), ecoding));
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url.append("&");
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}
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url.deleteCharAt(url.length() - 1);
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}
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HttpURLConnection conn = (HttpURLConnection)new URL(url.toString()).openConnection();
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conn.setConnectTimeout(5000);
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conn.setRequestMethod("GET");
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if(conn.getResponseCode() == 200){
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return StreamUtils.InputStreamTOString(conn.getInputStream()) ;
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}
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return null;
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}
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public static String msg(InputStream in) throws Exception{
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BufferedReader br = new BufferedReader(new InputStreamReader(in));
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String line;
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List<String> lines = new ArrayList<String>();
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while((line = br.readLine())!=null){
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lines.add(line);
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}
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if(lines.size()>0){
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String f = lines.get(0);
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if(f.indexOf("200")!=-1){
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String e = lines.get(lines.size()-1);
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return e;
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}else{
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return null;
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}
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}else{
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return null;
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}
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}
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}
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