优化权限模块，采用left join连表查询

src/main/java/com/lq/cms/service/impl/SysPermissionServiceImpl.java

@@ -39,30 +39,6 @@ public class SysPermissionServiceImpl  implements SysPermissionService{
     @Override
     public List<SysPermissionVo> findListPage(SysPermissionVo vo) {
         List<SysPermissionVo> sysPermissionVos = sysPermissionDao.findListPage(vo);
-        sysPermissionVos.forEach(sysPermissionVo1->{
-            Optional<Long> sysResourceIdOptional = Optional.of(sysPermissionVo1.getSysResourceId());
-            if (sysResourceIdOptional.isPresent()) {
-                SysResource sysResource = sysResourceDao.findOne(sysResourceIdOptional.get());
-                if (sysResource!=null) {
-                    sysPermissionVo1.setSysResourceName(sysResource.getMenuName());
-                }
-            }
-            Optional<Long> createUserIdOptional = Optional.of(sysPermissionVo1.getCreateUserId());
-            if (createUserIdOptional.isPresent()) {
-                SysUser createUser = sysUserDao.findOne(createUserIdOptional.get());
-                if (createUser!=null) {
-                    sysPermissionVo1.setCreateUserName(createUser.getLoginName());
-                }
-            }
-            Optional<Long> updateUserIdOptional = Optional.of(sysPermissionVo1.getUpdateUserId());
-            if (updateUserIdOptional.isPresent()) {
-                SysUser updateUser = sysUserDao.findOne(updateUserIdOptional.get());
-                if (updateUser!=null) {
-                    sysPermissionVo1.setUpdateUserName(updateUser.getLoginName());
-                }
-            }
-
-        });
         return sysPermissionVos;
     }
 

src/main/resources/mybatis/mapping/SysPermissionDao.xml

@@ -8,6 +8,10 @@
         permission_type,permission_key,name,sys_resource_id,id,status,create_time,create_user_id,update_time,update_user_id
     </sql>
 
+    <sql id="sp_column_list">
+        permission_type,permission_key,name,sys_resource_id,sp.id,sp.status,sp.create_time,sp.create_user_id,sp.update_time,sp.update_user_id
+    </sql>
+
     <select id="findOne" resultType="com.lq.entity.SysPermission" parameterType="long">
         SELECT <include refid="column_list"/>
           FROM  sys_permission
@@ -21,10 +25,13 @@
     </select>
 
     <select id="findListPage" resultType="SysPermissionVo" parameterType="SysPermissionVo">
-        SELECT <include refid="column_list"/>
+        SELECT <include refid="sp_column_list"/> ,create_su.login_name createUserName,update_su.login_name updateUserName,sr.menu_name sysResourceName
-          FROM  sys_permission
+          FROM  sys_permission sp
-        WHERE status = 1
+        LEFT JOIN sys_resource sr ON sp.sys_resource_id = sr.id
-          ORDER BY create_time DESC,update_time DESC
+        LEFT JOIN sys_user create_su ON sp.create_user_id = create_su.id AND create_su.status = 1
+        LEFT JOIN sys_user update_su ON sp.update_user_id = update_su.id AND update_su.status = 1
+        WHERE sp.status = 1
+          ORDER BY sp.create_time DESC,sp.update_time DESC
     </select>
 
     <select id="count" resultType="int" parameterType="SysPermissionVo">