bizservicefactory.java

首先确保MySQL4.0数据库已经正确安装

package edu.jnestore.service;
/**
 *BizServiceFactory是生成业务操作对象的工厂类
 */
public class BizServiceFactory {

  private static IBizService bizservice = null;
  private static String classname = "edu.jnestore.service.BizServiceImpl";
  //返回IBizService接口的实现类，本次实现中直接返回BizServiceImpl
  public static IBizService createService() {
   try {
   if( bizservice==null) {   
     bizservice = (IBizService)Class.forName(classname).newInstance();
   }
}catch(Exception e) {
	e.printStackTrace();
	}
   return bizservice;
  }


}