新增后台聊天室，显示聊天室成员功能

lift-ud-service/src/main/java/cn/com/ty/lift/ud/neety/process/LoadUsersProcessor.java

@@ -0,0 +1,42 @@
+package cn.com.ty.lift.ud.neety.process;
+
+import cn.com.ty.lift.ud.neety.protocol.IMMessage;
+import cn.com.ty.lift.ud.neety.protocol.IMP;
+import cn.com.ty.lift.ud.neety.support.WebSoketSupport;
+import cn.com.ty.lift.ud.neety.task.RoomInfo;
+import cn.com.ty.lift.ud.neety.task.UserInfo;
+import com.alibaba.fastjson.JSONObject;
+import io.netty.channel.Channel;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.Optional;
+
+@Slf4j
+public class LoadUsersProcessor extends WebSoketSupport implements ProcessorInterface {
+    @Override
+    public void process(Channel client, IMMessage request) {
+        String currentUserId = client.attr(USERID).get();
+        String currentUserHead = client.attr(HEAD_PIC).get();
+        String currentUserName = client.attr(USERNAME).get();
+
+        Optional.ofNullable(redis.get("ROOM:" + request.getSessionid())).ifPresent(s -> {
+            RoomInfo roomInfo = JSONObject.parseObject(s, RoomInfo.class);
+            IMMessage msg = new IMMessage();
+            msg.setCmd(IMP.LOADUSERS.getName());
+            List<UserInfo> userList = roomInfo.getUserList();
+            Iterator<UserInfo> iterator = userList.iterator();
+            while (iterator.hasNext()){
+                UserInfo userInfo = iterator.next();
+                if (currentUserId.equals(userInfo.getUserId())){
+                    iterator.remove();
+                }
+            }
+            msg.setMsg(JSONObject.toJSONString(userList));
+
+            sendMessage(client, msg);
+        });
+
+    }
+}