服务器之间传输数据

package com.pms.sys.util;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sf.json.JSONObject;

/**
* max请求
* @author NetSnake
*
*/
public class NetUtils
{
//UTF-8  GBK
public static final String DEF_CHATSET = "UTF-8";
public static final int DEF_CONN_TIMEOUT = 86400000;
public static final int DEF_READ_TIMEOUT = 86400000;
//public static String userAgent =  "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36";

//配置您申请的KEY
public static final String APPKEY ="*************************";

/*
* 需求计划测试
*/
@org.junit.Test
public void getPlanTest() throws UnsupportedEncodingException
{
String result =null;
String url ="url（地址）?str=";//请求接口地址
Map<String, Object> params = new HashMap<>();//请求参数
//params.put("key",APPKEY);//APPKEY值
List<Map<String, Object>> list = new ArrayList<>();
Map<String, Object> params0 = new HashMap<>();//请求参数
//          params0.put("userid","1458");
params0.put("personid","CHENRENJUN");
params0.put("tableName","pr");
Map<String, Object> params1 = new HashMap<>();
params1.put("description",URLEncoder.encode("测试审核流程","UTF-8"));
//URLEncoder.encode("测试审核流程","UTF-8")
params0.put("tableFields",params1);
list.add(params0);
params.put("tableLists",list);

url = url+JSONObject.fromObject(params);
System.out.println(url);

try {
System.out.println(params+"发送请求前");
result =net(url, null, "POST");
System.out.println(result+"请求返回数据");
JSONObject object = JSONObject.fromObject(result);
System.out.println(object);
/*if(object.getInt("error_code")==0){
System.out.println(object.get("result"));
}else{
System.out.println(object.get("error_code")+":"+object.get("reason"));
}*/
if(object.getString("result") != null){
System.out.println(object.get("result"));

object = JSONObject.fromObject(object.get("result"));
System.out.println(object.get("prnum")+"==="+object.get("status"));
}
} catch (Exception e) {
e.printStackTrace();
}
}

/**
*
* @param strUrl 请求地址
* @param params 请求参数
* @param method 请求方法
* @return  网络请求字符串
* @throws Exception
*/
public static String net(String strUrl, Map<String, Object> params,String method) throws Exception
{
HttpURLConnection conn = null;
BufferedReader reader = null;
String rs = null;
try {
StringBuffer sb = new StringBuffer();
if(method==null || method.equals("GET")){
strUrl = strUrl+"?"+urlencode(params);
}
URL url = new URL(strUrl);
conn = (HttpURLConnection) url.openConnection();
if(method==null || method.equals("GET")){
conn.setRequestMethod("GET");
}else{
conn.setRequestMethod("POST");
conn.setDoOutput(true);
}
//conn.setRequestProperty("User-agent", userAgent);
conn.setUseCaches(false);
conn.setConnectTimeout(DEF_CONN_TIMEOUT);
conn.setReadTimeout(DEF_READ_TIMEOUT);
conn.setInstanceFollowRedirects(false);
conn.connect();
if (params!= null && method.equals("POST")) {
try {
DataOutputStream out = new DataOutputStream(conn.getOutputStream());
out.writeBytes(urlencode(params));
} catch (Exception e) {
e.printStackTrace();
}
}
InputStream is = conn.getInputStream();
reader = new BufferedReader(new InputStreamReader(is, DEF_CHATSET));
String strRead = null;
while ((strRead = reader.readLine()) != null) {
sb.append(strRead);
}
rs = sb.toString();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
reader.close();
}
if (conn != null) {
conn.disconnect();
}
}
return rs;
}

//将map型转为请求参数型
public static String urlencode(Map<String,Object>data)
{
StringBuilder sb = new StringBuilder();
for (Map.Entry i : data.entrySet()) {
try {
sb.append(i.getKey()).append(":").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
return sb.toString();
}
}