Java调用oracle函数

 package com.phome.dao;

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

import com.phome.db.DBHerper;
//Java调用oracle函数
public class FunctionTest extends DBHerper{
 public int testFunction(int num1,int num2){
  int tem = 0;
  Connection conn = null;
  CallableStatement csmt = null;
  try {
   conn = super.getConnection();
   csmt = conn.prepareCall("{?=call add_two_num(?,?)}");
   csmt.registerOutParameter(1, Types.INTEGER);
   csmt.setInt(2, num1);
   csmt.setInt(3, num2);
   csmt.execute();
   tem = csmt.getInt(1);
  } catch (SQLException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }finally{
   try {
    csmt.close();
    conn.close();
   } catch (SQLException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  }
  return tem;
 }
 public static void main(String[] args) {
  FunctionTest ft = new FunctionTest();
  int tem = ft.testFunction(10,20);
  System.out.println(tem);
 }
}