create or replace procedure PrintStudents(p_staffName in xgj_test.username%type) as

 cursor c_testData is
 select t.sal, t.comm from xgj_test t where t.username = p_staffName;

begin

 for v_info in c_testData loop
 DBMS_OUTPUT.PUT_LINE(v_info.sal || ' ' || v_info.comm);
 end loop;

end PrintStudents;

begin
 PrintStudents('Computer Science');
 PrintStudents('Match');
end;
/

exec PrintStudents('Computer Science');
exec PrintStudents('Match');

create [ or replace] procedure procedure_name
[( argument [ {IN | OUT | IN OUT }] type,
......
argument [ {IN | OUT | IN OUT }] type ) ] { IS | AS}
procedure_body

/**
 无参数的存过
 打印hello world

 调用存储过程：
 1. exec sayhelloworld();
 2 begin 
 sayhelloworld();
 end;
 /

*/
create or replace procedure sayhelloworld
as
--说明部分
begin
 dbms_output.put_line('hello world');
end sayhelloworld;

SQL> set serveroutput on ;
SQL> exec sayhelloworld();

hello world

PL/SQL procedure successfully completed

SQL> begin
 2 sayhelloworld();
 3 sayhelloworld();
 4 end;
 5 /

hello world
hello world

PL/SQL procedure successfully completed

/**
创建一个带参数的存储过程

给指定的员工增加工资，并打印增长前后的工资

*/
create or replace procedure addSalary(staffName in xgj_test.username%type )
as
--定义一个变量保存调整之前的薪水
oldSalary xgj_test.sal%type;

begin
 --查询员工涨之前的薪水
 select t.sal into oldSalary from xgj_test t where t.username=staffName; 

 --调整薪水
 update xgj_test t set t.sal = sal+1000 where t.username=staffName ;

 --输出
 dbms_output.put_line('调整之前的薪水:'|| oldSalary || ' ,调整之后的薪水:' || (oldSalary + 1000));

end addSalary;

begin 
addSalary('xiao');
addSalary('gong');
commit ;
end ;
/

create [ or replace] function function_name
[( argument [ {IN | OUT | IN OUT }] type,
......
argument [ {IN | OUT | IN OUT }] type ) ] 
RETURN { IS | AS}
function_body

/**
查询员工的年薪 （月工资*12 + 奖金）
*/

create or replace function querySalaryInCome(staffName in varchar2)

 return number as
 --定义变量保存员工的工资和奖金
 pSalary xgj_test.sal%type;
 pComm xgj_test.comm%type;

begin
 --查询员工的工资和奖金
 select t.sal, t.comm
 into pSalary, pComm
 from xgj_test t
 where t.username = staffName;
 --直接返回年薪
 return pSalary * 12 + pComm;
end querySalaryInCome;

create or replace function querySalaryInCome(staffName in varchar2)

 return number as
 --定义变量保存员工的工资和奖金
 pSalary xgj_test.sal%type;
 pComm xgj_test.comm%type;

begin
 --查询员工的工资和奖金
 select t.sal, t.comm
 into pSalary, pComm
 from xgj_test t
 where t.username = staffName;
 --直接返回年薪
 return pSalary * 12 + nvl(pComm,0);
end querySalaryInCome;

/**
根据员工姓名，查询员工的全部信息
*/
create or replace procedure QueryStaffInfo(staffName in xgj_test.username%type,
           pSal out number,
           pComm out xgj_test.comm%type,
           pJob out xgj_test.job%type) 

is

begin
 --查询该员工的薪资，奖金和职位
 select t.sal,t.comm,t.job into pSal,pComm,pJob from xgj_test t where t.username=staffName;
end QueryStaffInfo;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class DBUtils {

 // 设定数据库驱动，数据库连接地址端口名称，用户名，密码
 private static final String driver = "oracle.jdbc.driver.OracleDriver";
 private static final String url = "jdbc:oracle:thin:@ip:xxxx";
 private static final String username = "xxxx";
 private static final String password = "xxxx";

 /**
  * 注册数据库驱动
  */
 static {
  try {
   Class.forName(driver);
  } catch (ClassNotFoundException e) {
   throw new ExceptionInInitializerError(e.getMessage());
  }
 }

 /**
  * 获取数据库连接
  */
 public static Connection getConnection() {
  try {
   Connection connection = DriverManager.getConnection(url, username, password);
   // 成功，返回connection
   return connection;
  } catch (SQLException e) {
   e.printStackTrace();
  }
  // 获取失败，返回null
  return null;
 }

 /**
  * 释放连接
  */
 public static void cleanup(Connection conn, Statement st, ResultSet rs) {

  if (rs != null) {
   try {
    rs.close();
   } catch (SQLException e) {
    e.printStackTrace();
   } finally {
    rs = null;
   }
  }

  if (st != null) {
   try {
    st.close();
   } catch (SQLException e) {
    e.printStackTrace();
   } finally {
    st = null;
   }
  }

  if (conn != null) {
   try {
    conn.close();
   } catch (SQLException e) {
    e.printStackTrace();
   } finally {
    conn = null;
   }
  }

 }
}

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.SQLException;

import org.junit.Test;

import com.turing.oracle.dbutil.DBUtils;

import oracle.jdbc.OracleTypes;


public class TestProcedure {

 @Test
 public void callProcedure(){
  // {call <procedure-name>[(<arg1>,<arg2>, ...)]}

  Connection conn = null ;
  CallableStatement callableStatement = null ;

  /**
   *
   根据员工姓名，查询员工的全部信息
   create or replace procedure QueryStaffInfo(staffName in xgj_test.username%type,
              pSal out number,
              pComm out xgj_test.comm%type,
              pJob out xgj_test.job%type) 
   is
   begin
    --查询该员工的薪资，奖金和职位
    select t.sal,t.comm,t.job into pSal,pComm,pJob from xgj_test t where t.username=staffName;
   end QueryStaffInfo;
   */
  // 我们可以看到该存过 4个参数 1个入参 3个出参
  String sql = "{call QueryStaffInfo(?,?,?,?)}";

  try {
   // 获取连接
   conn = DBUtils.getConnection();
   // 通过连接获取到CallableStatement
   callableStatement = conn.prepareCall(sql);

   // 对于in 参数，需要赋值
   callableStatement.setString(1, "xiao");
   // 对于out 参数，需要声明
   callableStatement.registerOutParameter(2, OracleTypes.NUMBER); // 第二个 ？
   callableStatement.registerOutParameter(3, OracleTypes.NUMBER);// 第三个 ？
   callableStatement.registerOutParameter(4, OracleTypes.VARCHAR);// 第四个 ？

   // 执行调用
   callableStatement.execute();

   // 取出结果
   int salary = callableStatement.getInt(2);
   int comm = callableStatement.getInt(3);
   String job = callableStatement.getString(3);

   System.out.println(salary + "\t" + comm + "\t" + job);

  } catch (SQLException e) {
   e.printStackTrace();
  }finally {
   DBUtils.cleanup(conn, callableStatement, null);
  }


 }
}

import java.sql.CallableStatement;
import java.sql.Connection;

import org.junit.Test;

import com.turing.oracle.dbutil.DBUtils;

import oracle.jdbc.OracleTypes;

public class TestFuction {

 @Test
 public void callFuction(){
  //{?= call <procedure-name>[(<arg1>,<arg2>, ...)]}
  Connection conn = null;
  CallableStatement call = null;
  /**
   * create or replace function querySalaryInCome(staffName in varchar2)
     return number as
     --定义变量保存员工的工资和奖金
     pSalary xgj_test.sal%type;
     pComm xgj_test.comm%type;

    begin
     --查询员工的工资和奖金
     select t.sal, t.comm
     into pSalary, pComm
     from xgj_test t
     where t.username = staffName;
     --直接返回年薪
     return pSalary * 12 + nvl(pComm,0);
    end querySalaryInCome;
   */

  String sql = "{?=call querySalaryInCome(?)}";

  try {
   // 获取连接
   conn = DBUtils.getConnection();
   // 通过conn获取CallableStatement
   call = conn.prepareCall(sql);

   // out 参数，需要声明
   call.registerOutParameter(1, OracleTypes.NUMBER);
   // in 参数，需要赋值
   call.setString(2, "gong");

   // 执行
   call.execute();
   // 取出返回值 第一个？的值
   double income = call.getDouble(1);
   System.out.println("该员工的年收入：" + income);
  } catch (Exception e) {
   e.printStackTrace();
  }finally {
   DBUtils.cleanup(conn, call, null);
  }
 }

}

create or replace package MyPackage is

 -- Author : ADMINISTRATOR
 -- Created : 2016-6-4 18:10:42
 -- Purpose : 

 -- 使用type关键字 is ref cursor说明是cursor类型
 type staffCursor is ref cursor;

 procedure queryStaffJob(pJob   in xgj_test.job%type,
       jobStaffList out staffCursor);

end MyPackage;

create or replace package body MyPackage is

 procedure queryStaffJob(pJob   in xgj_test.job%type,
       jobStaffList out staffCursor)

 as
 begin
  open jobStaffList for select * from xgj_test t where t.job=pJob;
 end queryStaffJob;

end MyPackage;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;

import org.junit.Test;

import com.turing.oracle.dbutil.DBUtils;

import oracle.jdbc.OracleTypes;
import oracle.jdbc.driver.OracleCallableStatement;

public class TestCursor {

 @Test
 public void testCursor(){
  /**
   * 
   * create or replace package MyPackage is
     type staffCursor is ref cursor;

     procedure queryStaffJob(pJob   in xgj_test.job%type,
           jobStaffList out staffCursor);

    end MyPackage;
   */
  String sql = "{call MyPackage.queryStaffJob(?,?)}" ;

  Connection conn = null;
  CallableStatement call = null ;
  ResultSet rs = null;

  try {
   // 获取数据库连接
   conn = DBUtils.getConnection();
   // 通过conn创建CallableStatemet
   call = conn.prepareCall(sql);

   // in 参数 需要赋值
   call.setString(1, "Staff");
   // out 参数需要声明
   call.registerOutParameter(2, OracleTypes.CURSOR);

   // 执行调用
   call.execute();

   // 获取返回值
   rs = ((OracleCallableStatement)call).getCursor(2);
   while(rs.next()){
    // 取出值
    String username = rs.getString("username");
    double sal = rs.getDouble("sal");
    double comm = rs.getDouble("comm");

    System.out.println("username:" + username + "\t sal:" + sal + "\t comm:" + comm);
   }
  } catch (Exception e) {
   e.printStackTrace();
  }finally {
   DBUtils.cleanup(conn, call, rs);
  }
 }

}