给系统设置增加演示用户禁止操作的判断（再次优化）

src/main/java/com/jsh/erp/controller/UserController.java

@@ -43,6 +43,9 @@ public class UserController {
     @Value("${manage.roleId}")
     private Integer manageRoleId;
 
+    @Value("${demonstrate.open}")
+    private boolean demonstrateOpen;
+
     @Resource
     private UserService userService;
 
@@ -56,6 +59,27 @@ public class UserController {
     private static final String HTTP = "http://";
     private static final String CODE_OK = "200";
 
+    /**
+     * 是否开启演示状态，默认关闭
+     * @param request
+     * @return
+     */
+    @GetMapping(value = "/getDemonstrateOpen")
+    public BaseResponseInfo getDemonstrateOpen(HttpServletRequest request) {
+        BaseResponseInfo res = new BaseResponseInfo();
+        try {
+            Map<String, Object> data = new HashMap<String, Object>();
+            data.put("demonstrateOpen", demonstrateOpen);
+            res.code = 200;
+            res.data = data;
+        } catch(Exception e){
+            e.printStackTrace();
+            res.code = 500;
+            res.data = "获取失败";
+        }
+        return res;
+    }
+
     @PostMapping(value = "/login")
     public BaseResponseInfo login(@RequestParam(value = "loginName", required = false) String loginName,
                         @RequestParam(value = "password", required = false) String password,