SqlStatement:='Select User_ID,'+UserRoleColumnName
             +'From T_Pub_UserRole 
              Where User_ID In (Select User_ID 
                                  From T_Pub_User 
                                 Where Dept_ID=
                                       (Select Dept_ID 
                                          From T_Pub_User 
                                         Where User_ID='+astg_UserID+') And Company_ID=(Select Company_ID From T_Pub_User Where User_ID="'+astg_UserID+'"))';
                                         
Execute Immediate SqlStatement;这个语句的结果集是多个,如何对它使用游标呢?