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create table Dept( DepartNO varchar2(10), DepartName varchar2(20), TopNo varchar2(10));
insert into Dept values('001','董事会','0'); insert into Dept values('002','总裁办','001'); insert into Dept values('003','财务部','001'); insert into Dept values('004','市场部','002'); insert into Dept values('005','公关部','002'); insert into Dept values('006','销售部','002'); insert into Dept values('007','分销处','006'); insert into Dept values('008','业务拓展处','004'); insert into Dept values('009','销售科','007');
CREATE TABLE TempDept ( TempdeptNo char(4), /*部门编号*/ TempdeptName varchar2(20), /*部门名称*/ UpperTempdeptNo char(4), /*上级部门编号*/ UpperTempdeptName varchar2(20), /*上级部门名称*/ TempdeptLevel number(4) /*部门所处的级别*/ );
select departname from dept connect by prior departno=topno start with topno='0';
select a.departname top ,b.departname next from dept a,dept b where a.departno=b.topno;
select lpad(departno,level*2+length(departno),'\') from dept start with topno='0' connect by prior departno=topno;
select departno,departname,level ||'\'|| topno from dept start with topno='0' connect by prior departno=topno;
select lpad(departno,level*2+length(departno),' ') from dept start with topno='0' connect by prior departno=topno;
select lpad(departno,level*3,' ')
from dept start with topno='0' connect by prior departno=topno;
create or replace function GetLevel(TempNo varchar2) return varchar2 IS Result varchar2(20); cursor CurLevel(curTempNo varchar2) is select departNo from dept connect by prior departNo = TopNo start with TopNo = curTempNo; begin open CurLevel; for v_sor in CurLevel(TempNo) loop Result:=Result || '/' || v_sor.curTempNo; end loop; return(Result); close CurLevel; dbms_output.put_line('success'); end GetLevel;
REM************************************************************ REM********** 生成部门之间形成的树结构 ****************** REM********** 功能:输入部门后自动产生该部门 ****************** REM********** 及其子部门之间的树关系() ****************** REM********** 输入参数:部门编号ParaDeptId ****************** REM************************************************************
CREATE OR REPLACE procedure getAllSubDeptId(ParaDeptId varchar2) IS DeptNo1 varchar2(4); /*存放部门编号*/ UpperDeptNo1 varchar2(4); /*存放该部门的上级部门编号*/ UpperDeptNo2 varchar2(4); /*存放查询同级上级部门编号*/ UpperDeptNo3 varchar2(4); /*存放查询的上级部门编号*/ level number; /*部门所处级别*/ DSql varchar2(100); /*动态SQL字符串*/ CURSOR getDept IS select DepartNO,TopNo from dept where DepartNo != ParaDeptId; BEGIN --DSql :='create table tempdept(TempdeptNo,TempdeptName,UpperTempdeptNo, --UpperTempdeptName,TempdeptLevel)'; --EXECUTE IMMEDIATE DSql;
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DSql :='TRUNCATE TABLE TempDept'; dbms_output.put_line(0); EXECUTE IMMEDIATE DSql; dbms_output.put_line(1); insert into TempDept values(ParaDeptId,Null,Null,Null,0); dbms_output.put_line(2); open getDept; fetch getDept into DeptNo1,UpperDeptNo1; WHILE ( SQLCODE = 0 ) LOOP level := 1 ; UpperDeptNo3 := UpperDeptNo1; WHILE ( UpperDeptNo1 is NOT NULL ) loop if (UpperDeptNo1 = ParaDeptId) then insert into tempdept values(DeptNo1,NULL,UpperDeptNo3,NULL,level); exit; else UpperDeptNo2 := UpperDeptNo1; select topNo into UpperDeptNo1 from dept where Departno= UpperDeptNo2; if UpperDeptNo2 != UpperDeptNo1 then level := level+1; end if; end if; END LOOP; fetch getDept into DeptNo1,UpperDeptNo1; END LOOP; close getDept; END; / | |