[feat] 修改：用户Mapper新增方法，根据角色查找用户。

ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserMapper.java

@@ -2,6 +2,8 @@ package com.ruoyi.system.mapper;
 
 import com.ruoyi.common.core.domain.entity.SysUser;
 import org.apache.ibatis.annotations.MapKey;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
 
 import java.util.List;
 import java.util.Map;
@@ -137,4 +139,29 @@ public interface SysUserMapper
     List<Map<String,String>> selectUserSelList(String userName);
 
     List<SysUser> selectRoleToUserList(String[] roleKeys);
+
+    /**
+     * 根据角色名称查找用户
+     * @param roleKey
+     * @return
+     */
+    @Select("select a.login_name from sys_user a,sys_role b,sys_user_role c\r\n" +
+            "where a.del_flag = 0 and a.status = 0\r\n" +
+            "and b.del_flag = 0 and b.status = 0\r\n" +
+            "and b.role_id = c.role_id\r\n" +
+            "and a.user_id = c.user_id\r\n" +
+            "and b.role_key = #{roleKey} order by a.login_name ")
+    public String selectUserByUniqueRolekey(String roleKey);
+
+    @Select("select a.user_name as userName,a.login_name as loginName from sys_user a,sys_dept b where a.dept_id = b.dept_id and b.dept_name=#{deptName} and a.status = 0 and a.del_flag = 0")
+    public List<SysUser> selectUserByDeptName(String deptName);
+
+    /**
+     * 查询部门领导
+     * @param roleKey
+     * @param deptId
+     * @return
+     */
+    @Select("select login_name from sys_user a,sys_user_role b,sys_role c where a.user_id = b.user_id and b.role_id = c.role_id and a.dept_id=#{deptId} and c.role_key= #{roleKey} and a.del_flag = 0 and a.status = 0")
+    public String selectDeptLeaderId(@Param(value = "roleKey") String roleKey, @Param(value = "deptId") Long deptId);
 }