add some methods for 'findBy'

src/main/java/com/example/springdemo/dao/RolesPermissionsRepository.java

@@ -2,29 +2,30 @@ package com.example.springdemo.dao;
 
 import com.example.springdemo.entities.RBAC.RolesPermissions;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
 import java.util.Optional;
 
 @Repository
 public interface RolesPermissionsRepository
         extends JpaRepository<RolesPermissions, Long> {
-    @Modifying
     @Query(value = "delete from roles_permissions " +
             "where rolesId = ?1 and permissionsId = ?2", nativeQuery = true)
     int RemovePermissionsFromRole(Long roleId, Long permissionId);
 
-    @Modifying
     @Query(value = "update roles_permissions set rolesId = ?1, permissionsId = ?2 " +
             "where rolesId = ?1 and permissionsId = ?2", nativeQuery = true)
     int updateRolePermissions(Long roleId, Long permissionId);
 
-    Optional<RolesPermissions> findByRolesId(Long roleId);
+    List<RolesPermissions> findByRolesId(Long roleId);
 
     Optional<RolesPermissions> findByPermissionsId(Long permissionId);
 
+    @Query(value = "select permissionsId from roles_permissions where rolesId = ?1", nativeQuery = true)
+    List<Long> findPermissionsIdByRolesId(Long roleId);
+
     void deleteByRolesId(Long roleId);
 
     void deleteByPermissionsId(Long permissionId);

src/main/java/com/example/springdemo/dao/UsersPasswordRepository.java

@@ -2,17 +2,23 @@ package com.example.springdemo.dao;
 
 import com.example.springdemo.entities.password.UsersPassword;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface UsersPasswordRepository
         extends JpaRepository<UsersPassword, Long> {
-    @Modifying
+
+    //修改密码
     @Query("update UsersPassword UsersPwd set UsersPwd.password = ?1 where UsersPwd.users.id = ?2")
     int updatePassword(String password, Long userID);
 
     //删除账户时删除密码
     void deleteByUsersId(Long userID);
+
+    //根据用户ID查找密码
+    UsersPassword findByUsersId(Long userID);
+
+    //根据用户名查找密码
+    UsersPassword findByUsersName(String userName);
 }