详解Oracle在out参数中访问光标_oracle_

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

 CREATE OR REPLACE PACKAGE BODY MYPACKAGE AS procedure queryEmplist(dno in number,emplist out empcursor) AS BEGIN --打开光标 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; * */ @Test publicvoid testCursor(){ String sql="{call MYPACKAGE.queryEmplist(?,?)}"; Connection conn =null; CallableStatement call =null; ResultSet rs =null; try{ //获取数据库的连接 conn =JDBCUtils.getConnection(); //创建statement call = conn.prepareCall(sql); //对于in参数，赋值 call.setInt(1,10); //对于out参数，申明 call.registerOutParameter(2,OracleTypes.CURSOR); //执行调用 call.execute(); //取出该部门中所有员工的信息 rs =((OracleCallableStatement)call).getCursor(2); while(rs.next()){ //取出该员工的员工号，姓名，薪水和职位 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); } } } 

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