sql方面的***********************************************

create table aa

(

a_id number(10) primary key,

a_name varchar2(50),

a_sex varchar2(4),

a_date date,

a_money number(8,2)

)

--查看下是否成功

select * from aa;

--创建触发器

create sequence aa_id_seq increment by 1 start with 1;

--插入一条数据测试一下

insert into aa(a_id,a_name,a_sex,a_date,a_money)

values(1,'陈飞龙','男',sysdate,55.55);--成功

insert into aa(a_name,a_sex,a_date,a_money)

values('陈飞龙','男',sysdate,55.55);--不成功，有序列但是没自增

--创建触发器

create or replace trigger aa_id_tigger

before insert on aa for each row

begin

if:new.a_id

is null

then

select aa_id_seq.nextval into:new.a_id from dual;

end

if;

end;

/

--插入一数据进行测试

delete from aa;

insert into aa(a_name,a_sex,a_date,a_money)

values('陈小龙','男',sysdate,66.55);--成功

--插入信息的存储过程

create or replace procedure aa_insert_pro

(

b_name in aa.a_name%type,

b_sex in aa.a_sex%type,

b_money in aa.a_money%type

)

as

begin

insert into

aa(a_name,a_sex,a_date,a_money)

values(b_name,b_sex,sysdate,b_money);

end aa_insert_pro;

/

--删除的存储过程

create or replace procedure aa_delete_pro

(

b_id in number

)

as

begin

delete from

aa where a_id = b_id;

end aa_delete_pro;

/

--修改表aa的存储过程

create or replace procedure aa_update_pro

(

b_id in number,

b_name in varchar2,

b_sex in aa.a_sex%type,

b_money in aa.a_money%type

)

as

begin

update aa set a_name = b_name,a_sex = b_sex,a_date =

sysdate,a_money = b_money where a_id = b_id;

end aa_update_pro;

/

--查询一条数据的某些个数据字段

create or replace procedure aa_seleceById_pro

(

b_id in number,

b_name out varchar2,

b_sex out varchar2,

b_date out date,

b_money out number

)

as

begin

select

a_name,a_sex,a_date,a_money into b_name,b_sex,b_date,b_money from

aa where a_id = b_id;

end aa_seleceById_pro;

/

-------------------------------------------------------------------------------

--查询多个数据,步骤1，2

--步骤1：创建程序包

create or replace package aa_package as

type aa_all is ref cursor;

end aa_package;

/

--步骤2：利用程序包创建多查询

create or replace procedure aa_selectMore_pro

(

b_all out aa_package.aa_all

)

as begin open b_all

for select * from aa;

end aa_selectMore_pro;

/

select * from aa where a_id = 2;

java类文件方面*****************************************************************************************

类DB,连接数据库:

package com.db;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

public class DB

{

private static Connection con = null;

private static ResultSet rs = null;

private static PreparedStatement pstm = null;

public static Connection getCon()

{

String driver =

"oracle.jdbc.driver.OracleDriver";

String url =

"jdbc:oracle:thin:@localhost:1521:orcl";

String uid = "scott";

String pid = "tiger";

try

{

Class.forName(driver);

con =

DriverManager.getConnection(url, uid, pid);

} catch (Exception e)

{

e.printStackTrace();

con =

null;

}

System.out.println("打开");

return con;

}

public static void closeCon()

{

try

{

if (rs !=

null)

{

rs=null;

}

if(con !=

null)

{

con=null;

}

if(pstm !=

null)

{

pstm=null;

}

} catch (Exception e)

{

e.printStackTrace();

}finally

{

rs

=null;

pstm =

null;

con =

null;

System.out.println("关闭");

}

}

public static void main(String[] args)

{

DB db = new DB();

System.out.println(DB.getCon());

DB.closeCon();

}

}

类TESTAA,操作存储过程

package com.chen;

import java.sql.CallableStatement;

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.Types;

import java.util.Date;

import com.db.DB;

public class TestAA

{

private Connection con = null;

ResultSet rs = null;

CallableStatement cstm = null;

public void insertAA(String name,String sex,double money)

{

try

{

String sql =

"call scott.aa_insert_pro(?,?,?)";

if(con ==

null) con = DB.getCon();

cstm =

con.prepareCall(sql);

cstm.setString(1, name);

cstm.setString(2, sex);

cstm.setDouble(3, money);

boolean flag

= cstm.execute();

System.out.println("写入完成:"+ flag);

} catch (Exception e)

{

e.printStackTrace();

}

finally

{

DB.closeCon();

}

}

public void deleteAA(int id)

{

try

{

String sql =

"call aa_delete_pro(?)";

if(con ==

null) con = DB.getCon();

cstm =

con.prepareCall(sql);

cstm.setInt(1, id);

boolean flag

= cstm.execute();

System.out.println("删除结果:"+flag); } catch (Exception e)

{

e.printStackTrace();

}

finally

{

DB.closeCon();

}

}

public void updateAA(int id,String name,String sex,double

money)

{

try

{

String sql =

"call aa_update_pro(?,?,?,?)";

if(con ==

null) con = DB.getCon();

cstm =

con.prepareCall(sql);

cstm.setInt(1, id);

cstm.setString(2, name);

cstm.setString(3, sex);

cstm.setDouble(4, money);

int k =

cstm.executeUpdate();

boolean flag

;

if(k>0)

{

flag = true;

}else

{flag =

false;}

System.out.println("修改结果为:"+flag);

} catch (Exception e)

{

e.printStackTrace();

}

finally

{

DB.closeCon();

}

}

public void selectSomeById(int id)

{

try

{

String sql =

"call aa_seleceById_pro(?,?,?,?,?)";

if(con ==

null) con = DB.getCon();

cstm =

con.prepareCall(sql);

cstm.setInt(1, id);

cstm.registerOutParameter(2, Types.VARCHAR);

cstm.registerOutParameter(3, Types.VARCHAR);

cstm.registerOutParameter(4, Types.DATE);

cstm.registerOutParameter(5, Types.INTEGER);

cstm.execute(); String name

= cstm.getString(2);

String sex =

cstm.getString(3);

Date date =

cstm.getDate(4);

int money =

cstm.getInt(5);

System.out.println("name = "+name+"\tsex = "+sex+"\tdate =

"+date+"\tmoney = "+money);

} catch (Exception e)

{

e.printStackTrace();

}

finally

{

DB.closeCon();

}

}

public void selectAllAA()

{

try

{

String sql =

"call aa_selectMore_pro(?)";

if(con ==

null) con = DB.getCon();