实例：

package com.test;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

import org.hibernate.SQLQuery;
import org.hibernate.Session;

import com.util.HibernateSessionFactory;
/**
 * 
 * @author yushen
 *
 */
public class StoredProcedureTest {
  
  // 调用函数FUN_GET();
  public static void main(String[] args) {
    System.out.println(getOracle());
  }

  /**
   * create or replace procedure get_username(v_id in number,v_username out
   * varchar2) as begin select username into v_username from tab_user where id
   * = v_id; --变量赋值 exception when no_data_found then
   * raise_application_error(-20001,'ID不存在!'); end get_username;
   * 
   * @return
   */
  public static List getOracle() {

    Session session = HibernateSessionFactory.getSession();
    SQLQuery query = session.createSQLQuery("{Call get_usernames(?,?)}"); // 这里调用存储过程
    query.setString(0, "ddd");
    List list = query.list();
    session.close();
    return list;
  }

  public void saveUpde() {
    Session session = HibernateSessionFactory.getSession();
    Connection conn = session.connection();
    ResultSet rs = null;
    CallableStatement call;
    try {
      call = conn.prepareCall("{Call proc(?)}");
      call.setString(1, " 参数");
      rs = call.executeQuery();
      rs.close();
      session.close();
    } catch (SQLException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

  }

}