1、https://www.easemob.com/ 环信官网注册账号
2、创建应用
3、创建完成之后点击
会出现如下信息，其中标注的为重要信息
4、编写环信工具类HuanXinUtil
package com.fh.util;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
import net.sf.json.JSONObject;
public class HuanXinUtil {
// private String targetURL = "https://a1.easemob.com/1177180507177107/bit/chatrooms";
private String uri = "https://a1.easemob.com/1177180507177107/bit/";
private String hx_client_id = "";
private String hx_client_Secret = "";
private String hx_access_token = "";
private long hx_token_time = 0;
private static String profilepath = "WEB-INF/classes/hx_key.properties";
public HuanXinUtil(){
String filePath = String.valueOf(Thread.currentThread().getContextClassLoader().getResource(""))+"../../"; //项目路径
filePath = filePath.replaceAll("file:/", "");
filePath = filePath.replaceAll("%20", " ");
filePath = filePath.trim()+profilepath;
//filePath = "D://hx_key.properties";
Properties properties = new Properties();
try {
InputStream in = new BufferedInputStream(new FileInputStream(filePath));
properties.load(in);
hx_client_id = properties.getProperty("hx_client_id");
hx_client_Secret = properties.getProperty("hx_client_Secret");
hx_access_token = properties.getProperty("hx_access_token");
hx_token_time = Long.parseLong(properties.getProperty("hx_token_time"));
in.close();
Date date = new Date(hx_token_time);
System.out.println(date.before(new Date()));
if(date.before(new Date())){
hx_access_token=this.getAccessToken(hx_client_id, hx_client_Secret);
Calendar now = Calendar.getInstance();
now.setTime(new Date());
now.set(Calendar.DATE, now.get(Calendar.DATE) + 5);
hx_token_time =now.getTimeInMillis();
FileOutputStream fileOutputStream = new FileOutputStream(filePath);
properties.setProperty("hx_token_time", Long.toString(hx_token_time));
properties.setProperty("hx_access_token", hx_access_token);
properties.store(fileOutputStream, "update access_token");
fileOutputStream.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public String getchatroomID(String roomname){
String id ="";
try {
URL url = new URL("https://a1.easemob.com/1177180507177107/bit/chatrooms");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Authorization", "Bearer "+hx_access_token);
String input = "{\"name\":\""+roomname+"\",\"description\":\"chatroom\",\"owner\":\"tdd123\"}";
OutputStream os = conn.getOutputStream();
os.write(input.getBytes());
os.flush();
if (conn.getResponseCode() != 200) {
}else{
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
StringBuffer sb = new StringBuffer();
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
System.out.println(output);
System.out.println("------");
sb.append(output);
}
JSONObject json = JSONObject.fromObject(sb.toString());
id = JSONObject.fromObject(json.getString("data")).getString("id");
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (ProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return id;
}
public int createUser(String username,String password,String nickname){
int i =0;
try {
URL url = new URL("https://a1.easemob.com/1177180507177107/bit/users");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Authorization", "Bearer "+hx_access_token);
String input = "{\"username\":\""+username+"\",\"password\":\""+password+"\",\"nickname\":\""+nickname+"\"}";
System.out.println(input);
OutputStream os = conn.getOutputStream();
os.write(input.getBytes());
os.flush();
System.out.println(conn.getResponseCode());
i =conn.getResponseCode();
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return i;
}
public JSONObject changeUserNickname(String username,String nickname){
JSONObject json =null;
try {
URL url = new URL("https://a1.easemob.com/1177180507177107/bit/users/"+username);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("PUT");
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Authorization", "Bearer "+hx_access_token);
String input = "{\"nickname\":\""+nickname+"\"}";
OutputStream os = conn.getOutputStream();
os.write(input.getBytes());
os.flush();
if (conn.getResponseCode() != 200) {
}else{
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
StringBuffer sb = new StringBuffer();
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
sb.append(output);
}
json = JSONObject.fromObject(sb.toString());
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return json;
}
public JSONObject getHXUserInfo(String username){
JSONObject json =null;
try {
URL url = new URL("https://a1.easemob.com/1177180507177107/bit/users/"+username);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Authorization", "Bearer "+hx_access_token);
System.out.println(conn.getResponseCode());
if (conn.getResponseCode() != 200) {
}else{
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
StringBuffer sb = new StringBuffer();
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
sb.append(output);
}
json = JSONObject.fromObject(sb.toString());
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return json;
}
public String getAccessToken(String client_id,String client_secret){
String token="";
try {
URL url = new URL("https://a1.easemob.com/1177180507177107/bit/token");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
String input = "{\"grant_type\":\"client_credentials\"," +
"\"client_id\":\""+client_id+"\"," +
"\"client_secret\":\""+client_secret+"\"}";
OutputStream os = conn.getOutputStream();
os.write(input.getBytes());
os.flush();
System.out.println(conn.getResponseCode());
if (conn.getResponseCode() != 200) {
}else{
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
StringBuffer sb = new StringBuffer();
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
sb.append(output);
}
JSONObject json = JSONObject.fromObject(sb.toString());
token = json.getString("access_token");
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (ProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return token;
}
/**
* 创建聊天室
* @param name 聊天室的名称(俱乐部id)
* @param description 聊天室的描述
* @param owner 聊天室的创建者
* @return
*/
public String createChatRooms(String name , String description) {
String id = "";
try {
URL url = new URL(uri + "chatrooms");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Authorization", "Bearer "
+ hx_access_token);
String input = "{\"name\":\""+name+"\",\"description\":\""+description+"\"" +
",\"maxusers\":\"500\",\"owner\":\"88888888\"}";
System.out.println(input);
OutputStream os = conn.getOutputStream();
os.write(input.getBytes());
os.flush();
System.out.println(conn.getResponseCode());
if (conn.getResponseCode() != 200) {
} else {
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
StringBuffer sb = new StringBuffer();
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
sb.append(output);
}
System.out.println(sb.toString());
JSONObject json = JSONObject.fromObject(sb.toString());
id = JSONObject.fromObject(json.getString("data")).getString("id");
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return id;
}
public void addChatRooms(String clubID , String username) {
try {
URL url = new URL(uri + "chatrooms/"+clubID+"/users/"+username);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Authorization", "Bearer "
+ hx_access_token);
System.out.println(conn.getResponseCode());
if (conn.getResponseCode() != 200) {
} else {
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
StringBuffer sb = new StringBuffer();
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
sb.append(output);
}
System.out.println(sb.toString());
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 发送消息
* @param uid 俱乐部id/接收者
* @param msg 会员id/文本内容
* @param form 发送者
* @return
*/
public int sendMessage(String uid, String msg, String form) {
int i = 0;
try {
URL url = new URL(uri + "messages");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Authorization", "Bearer "
+ hx_access_token);
// String input = "{\"username\":\"" + username +
// "\",\"password\":\"" + password + "\",\"nickname\":\"" + nickname
// + "\"}";
String input = "{\"target_type\":\"users\",\"target\":[\"" + uid
+ "\"],\"msg\":{\"type\":\"txt\"," + "\"msg\":\"" + msg
+ "\"},\"form\":\"" + form + "\"}";
System.out.println(input);
OutputStream os = conn.getOutputStream();
os.write(input.getBytes("utf-8"));
os.flush();
System.out.println(conn.getResponseCode());
if (conn.getResponseCode() != 200) {
} else {
BufferedReader br = new BufferedReader(new InputStreamReader(
(conn.getInputStream())));
String output;
StringBuffer sb = new StringBuffer();
System.out.println("Output from Server .... \n");
while ((output = br.readLine()) != null) {
sb.append(output);
}
System.out.println(sb.toString());
}
conn.disconnect();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return i;
}
public static void main(String[] args) {
// System.out.println(new HuanXinUtil().createChatRooms("f78761ea7067493fbc7725d384d2c52d","云南当康休闲健身"));
// new HuanXinUtil().createUser("f78761ea7067493fbc7725d384d2c52d", "f78761ea7067493fbc7725d384d2c52d", "云南当康休闲健身");
// new HuanXinUtil().sendMessage("1", "87f332cbea614da1abd4406cf159857b", "app_system");
System.out.println(new HuanXinUtil().getAccessToken("YXA69Pn2MFHbEeiNfoEOzo_SXg", "YXA6XYobMFtKN0Ag78Q0rmf53kxjdtk"));
}
}
... prompt'''
4、环信在java后台的配置
注意：此时的hx_client_id和hx_client_Secret是你注册完环信账号后系统分配的(上图有标注)
5、hx_access_token的获取
输入Client ID:和Client Secret:调用HuanXinUtil工具类中getAccessToken()方法获取
6、调研createUser()接口创建用户
7、查看是否成功创建用户
