CREATE OR REPLACE PACKAGE MYPACKAGE AS  type empcursor isref cursor; procedure queryEmplist(dno in number,emplist out empcursor);END MYPACKAGE;

CREATE OR REPLACEPACKAGE BODY MYPACKAGE AS procedure queryEmplist(dno in number,emplist out empcursor) ASBEGIN--打開光標(biāo)  open emplist forselect*from emp where deptno = dno;END queryEmplist;END MYPACKAGE;

package demo.oracle;import java.sql.CallableStatement;import java.sql.Connection;import java.sql.ResultSet;import oracle.jdbc.OracleCallableStatement;import oracle.jdbc.OracleTypes;import org.junit.Test;import demo.utils.JDBCUtils;publicclassTestCursor{/* CREATE OR REPLACE PACKAGE MYPACKAGE AS  type empcursor is ref cursor; procedure queryEmplist(dno in number,emplist out empcursor);END MYPACKAGE; * */@Testpublicvoid testCursor(){String sql="{call MYPACKAGE.queryEmplist(?,?)}";Connection conn =null;CallableStatement call =null;ResultSet rs =null;try{//獲取數(shù)據(jù)庫的連接  conn =JDBCUtils.getConnection();//創(chuàng)建statement  call = conn.prepareCall(sql);//對于in參數(shù)，賦值  call.setInt(1,10);//對于out參數(shù)，申明  call.registerOutParameter(2,OracleTypes.CURSOR);//執(zhí)行調(diào)用  call.execute();//取出該部門中所有員工的信息  rs =((OracleCallableStatement)call).getCursor(2);while(rs.next()){//取出該員工的員工號，姓名，薪水和職位int empno = rs.getInt("empno");String name =rs.getString("ename");double salay = rs.getDouble("sal");String job = rs.getString("empjob");System.out.println(empno+"/t"+name+"/t"+salay+"/t"+job);}}catch(Exception e){  e.printStackTrace();}finally{JDBCUtils.release(conn, call, rs);}}}

7782  CLARK  6450.0  MANAGER7839  KING  10100.0  PRESIDENT7934  MILLER  3300.0  CLERK