JAVA(JDBC)调用ORACLE的存储过程、函数的返回结果集例子

/********************************************************************************

包中存储过程及函数 (database Oracle 10G)

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----包声明

CREATE OR REPLACE PACKAGE pkg_test
AS
TYPE myrctype IS REF CURSOR;
PROCEDURE proc_findResult(u_cursor OUT myrctype, u_id NUMBER);
FUNCTION fun_findResult(u_id NUMBER) return myrctype;
END pkg_test;

 

----包主体的声明

CREATE OR REPLACE PACKAGE BODY pkg_test
  AS
  PROCEDURE proc_findResult(u_cursor OUT myrctype ,u_id NUMBER)
  IS
  sqlString VARCHAR2 (500);
  BEGIN
     IF u_id = 0 THEN
        OPEN u_cursor FOR SELECT userId, userName, password, groupName FROM user_account ORDER BY userId;
     ELSE
        sqlString :='SELECT userId, userName, password, groupName FROM user_account where userId=:w_id';
        OPEN u_cursor FOR sqlString USING u_id;
     END IF;
  END proc_findResult;

  function fun_findResult(u_id NUMBER) RETURN myrctype
  IS
  u_cursor myrctype;
  sqlString VARCHAR2 (500);
  BEGIN
     IF u_id = 0 THEN
        OPEN u_cursor FOR SELECT userId, userName, password, groupName FROM user_account ORDER BY userId;
     ELSE
        sqlString :='SELECT userId, userName, password, groupName FROM user_account where userId=:w_id';
        OPEN u_cursor FOR sqlString USING u_id;
     END IF;
     return u_cursor;
   END fun_findResult;

END pkg_test;

 

 

/********************************************************************************

java 中 test class

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package org.taink.test;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import oracle.jdbc.OracleCallableStatement;
import oracle.jdbc.OracleTypes;

public class MyTest {
    public static void main(String args[]) throws Exception {
        DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
        Connection conn = DriverManager.getConnection(
                "jdbc:oracle:thin:@192.168.1.100:1521:TAINK", "orca", "orca");
        /**
         * call procedure
         *
         */
        OracleCallableStatement oracleCallableStatement = (OracleCallableStatement) conn
                .prepareCall("begin pkg_test.proc_findResult(?,?); end;");
        //设参数
        oracleCallableStatement.registerOutParameter(1, OracleTypes.CURSOR);
        oracleCallableStatement.setInt(2, 0);
       
        oracleCallableStatement.execute();
        //获得输出对象，因为是第一个传入的，所以使用：getObject(1);
        ResultSet resultSet = (ResultSet) oracleCallableStatement.getObject(1);
        while (resultSet.next()) {
            System.out.println(resultSet.getString("userId"));
            System.out.println(resultSet.getString("userName"));
            System.out.println(resultSet.getString("password"));
            System.out.println(resultSet.getString("groupName"));
        }
       
        /**
         * call function
         *
         */
       
//        OracleCallableStatement oracleCallableStatement = (OracleCallableStatement) conn
//        .prepareCall("{?=call pkg_test.fun_findResult(?)}");
//        //设参数
//        oracleCallableStatement.registerOutParameter(1, OracleTypes.CURSOR);
//        oracleCallableStatement.setInt(2, 0);
//       
//        oracleCallableStatement.execute();
//        //获得输出对象，因为是第一个传入的，所以使用：getObject(1);
//        ResultSet resultSet = (ResultSet) oracleCallableStatement.getCursor(1);
//        while (resultSet()) {
//            System.out.println(resultSet.getString(1));
//            System.out.println(resultSet.getString(2));
//            System.out.println(resultSet.getString(3));
//            System.out.println(resultSet.getString(4));
//        }

    }
}