席位登录时增加判断，如果当前账号已经登录了关联的其他席位，则不允许登录当前席位

src/com/ejweb/modules/user/api/UserController.java

 package com.ejweb.modules.user.api;
 
-import java.net.URLDecoder;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.validation.Valid;
-
-import org.apache.commons.lang3.StringUtils;
-import org.apache.log4j.Logger;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Controller;
-import org.springframework.util.CollectionUtils;
-import org.springframework.validation.BindingResult;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.ResponseBody;
-
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.ejweb.core.api.RequestBean;
@@ -36,26 +17,27 @@ import com.ejweb.modules.role.bean.UserRolesBean;
 import com.ejweb.modules.role.entity.InformationEntity;
 import com.ejweb.modules.role.entity.UserRolesEntity;
 import com.ejweb.modules.role.service.UserRolesService;
-import com.ejweb.modules.user.bean.CompanyListBean;
-import com.ejweb.modules.user.bean.LoginBean;
-import com.ejweb.modules.user.bean.OuterUserAddBean;
-import com.ejweb.modules.user.bean.OuterUserBean;
-import com.ejweb.modules.user.bean.SeatLoginBean;
-import com.ejweb.modules.user.bean.UserBean;
-import com.ejweb.modules.user.bean.UserFindByCodeBean;
-import com.ejweb.modules.user.bean.UserLogoutBean;
-import com.ejweb.modules.user.bean.UserPhotoBean;
-import com.ejweb.modules.user.bean.UserRefreshBean;
-import com.ejweb.modules.user.bean.UserSeatMobileBean;
+import com.ejweb.modules.user.bean.*;
 import com.ejweb.modules.user.entity.LoginUserEntity;
-import com.ejweb.modules.user.entity.UserDeviceInfoEntity;
 import com.ejweb.modules.user.entity.UserEntity;
-import com.ejweb.modules.user.entity.UserLoginInfoEntity;
 import com.ejweb.modules.user.entity.UserLoginLogEntity;
 import com.ejweb.modules.user.entity.UserSeatEntity;
 import com.ejweb.modules.user.service.UserService;
 import com.huawei.esdk.uc.professional.local.bean.south.UserState;
 import com.jdair.util.http.client.HTTPClientUtil;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.log4j.Logger;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.util.CollectionUtils;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.validation.Valid;
+import java.net.URLDecoder;
+import java.util.*;
 
 @Controller
 @RequestMapping("/api/user")
@@ -80,7 +62,7 @@ public class UserController {
     /**
      * 根据用户CODE查询用户信息
      * 
-     * @param req
+     * @param requestBean
      * @param errors
      * @return
      */
@@ -111,7 +93,7 @@ public class UserController {
     /**
      * 注册用户信息
      * 
-     * @param req
+     * @param requestBean
      * @param errors
      * @return
      */
@@ -142,8 +124,8 @@ public class UserController {
     /**
      * 用户登录
      *
-     * @param req
-     * @param errors
+     * @param request
+     * @param requestBean
      * @return
      */
     @ResponseBody
@@ -272,7 +254,7 @@ public class UserController {
 //                                }
 //                            }
 //                            if(Util.isInValue(entityTmp.getCurState(), "1", "3", "4") == false){// 用户不在线
-//                                
+//
 //                                entityTmp.setPhoto(Util.getAbsoluteUrl(GConstants.DEFAULT_SEAT_PHOTO));
 //                            }
 //                        }
@@ -364,8 +346,8 @@ public class UserController {
     /**
      * 获取验证码
      * 
-     * @param req
-     * @param errors
+     * @param request
+     * @param requestBean
      * @return
      */
     @ResponseBody
@@ -418,8 +400,8 @@ public class UserController {
     /**
      * 席位登录 更新
      * 
+     * @param request
      * @param requestBean
-     * @param errors
      * @return
      */
     @ResponseBody
@@ -447,6 +429,38 @@ public class UserController {
                 }
             }
             */
+
+            // 同一个账户只能登录一个身份
+            // 查询用户的所有身份
+            LoginUserEntity userEntity = new LoginUserEntity();
+            userEntity.setId(seatloginBean.getUserId());
+            List<UserSeatEntity> userSeatList = userService.getUserSeatByUserCode(userEntity);
+            if (userSeatList != null && userSeatList.size() > 0) {
+                // 查询所有身份的状态
+                List<String> seatIds = new ArrayList<>();
+                Map<String, UserSeatEntity> userSeatEntityMap = new HashMap<>();
+                for (UserSeatEntity userSeatEntity : userSeatList) {
+                    seatIds.add(userSeatEntity.getSeatId());
+                    userSeatEntityMap.put(userSeatEntity.getSeatId(), userSeatEntity);
+                }
+                if (seatIds.size() > 0) {
+                    // 调用华为接口查询席位状态列表
+                    List<UserState> seatStates = huaweiInterfaseService.queryUserStateList(seatIds);
+                    if (seatStates != null && seatStates.size() > 0) {
+                        for (UserState userState : seatStates) {
+                            // 如果有身份处于在线状态，且不是当前正在登录的，则返回在线席位的信息
+                            if (Util.isInValue(String.valueOf(userState.getNewState()), "1", "3", "4")
+                                    && !seatloginBean.getSeatId().equals(userState.getOrigin())) {
+                                responseBean.setData(userSeatEntityMap.get(userState.getOrigin()));
+                                responseBean.setMessage("用户已在其他席位登录");
+                                responseBean.setStatus(ErrorCode.STATUS_CODE_4301);
+                                return responseBean;
+                            }
+                        }
+                    }
+                }
+            }
+
             String clientip = StringUtils.isEmpty(seatloginBean.getClientip()) ? Util.getOnlineIP(request) : seatloginBean.getClientip();
             UserLoginLogEntity deviceInfoEntity = new UserLoginLogEntity();
             deviceInfoEntity.setUserId(seatloginBean.getUserId());