修复没有用户没有角色无法登陆

src/main/java/com/chinaitop/depot/system/service/impl/RoleButtonServiceImpl.java

@@ -76,23 +76,24 @@ public class RoleButtonServiceImpl implements RoleButtonService {
 	public List<RoleButton> queryByUser(UserInfo userInfo) {
 		UserRoleExample example = new UserRoleExample();
 		example.createCriteria().andUserIdEqualTo(userInfo.getUserId());
-			List<UserRole> urList = userRoleMapper.selectByExample(example);
-			List<Integer> roleIds = new ArrayList<>();
-			if(urList!=null){
-				urList.forEach(ur -> roleIds.add(ur.getRoleId()));
-			}
-//			RoleButtonExample rbExample = new RoleButtonExample();
-//			rbExample.createCriteria().andRoleIdIn(roleIds);
-			Map<String, Object> param = new HashMap<String, Object>();
-			Gson gson=new Gson();
-			String jsonids = gson.toJson(roleIds);
-			jsonids = jsonids.replace("[", "(");
-			jsonids = jsonids.replace("]", ")");
+		List<UserRole> urList = userRoleMapper.selectByExample(example);
+		List<Integer> roleIds = new ArrayList<>();
+		if(urList!=null){
+			urList.forEach(ur -> roleIds.add(ur.getRoleId()));
+		}
+		Map<String, Object> param = new HashMap<String, Object>();
+		Gson gson=new Gson();
+		String jsonids = gson.toJson(roleIds);
+		jsonids = jsonids.replace("[", "(");
+		jsonids = jsonids.replace("]", ")");
+		List<RoleButton> rbList = new ArrayList<RoleButton>();
+		if(jsonids != null && jsonids.length() > 2) {
 			param.put("roleIds", jsonids);
-			List<RoleButton> rbList = roleButtonMapper.selectByExampleNew(param);
-			String json = gson.toJson(rbList);
-			redisUtil.set("permissionList", json);
-			return rbList;
+			rbList = roleButtonMapper.selectByExampleNew(param);
+		}
+		String json = gson.toJson(rbList);
+		redisUtil.set("permissionList", json);
+		return rbList;
 	}
 
 	@Override