在线超市管理系统

利用JAVAEE技术开发，搭载三层架构，servlet做控制器，并适量的使用ajax异步获取数据，完成了较简单的在线超市管理系统，适合于个人学习使用。

package team.one.supermarket.authcode;


import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import team.one.supermarket.util.Sessionhelper;

/**
 * Servlet implementation class ImageServlet
 */
@WebServlet（“/ImageServlet“）
public class ImageServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * Default constructor. 
     */
    public ImageServlet（） {
    }

	/**
	 * @see HttpServlet#doGet（HttpServletRequest request HttpServletResponse response）
	 */
	protected void doGet（HttpServletRequest request HttpServletResponse response） throws ServletException IOException {
		  response.setHeader（“Pragma“ “No-cache“）;  
	        response.setHeader（“Cache-Control“ “no-cache“）;  
	        response.setDateHeader（“Expires“ 0）;  
	        response.setContentType（“image/jpeg“）;  
	          
	        //生成随机字串  
	        String verifyCode = RandomValidateCode.generateVerifyCode（4）;  
	        //存入会话session  
	        HttpSession session = request.getSession（true）;  
	        session.setAttribute（Sessionhelper.VERIFYCODE verifyCode.toLowerCase（））;  
	        //生成图片  
	        int w = 80 h = 26;  
	        RandomValidateCode.outputImage（w h response.getOutputStream（） verifyCode）;  
	}

	/**
	 * @see HttpServlet#doPost（HttpServletRequest request HttpServletResponse response）
	 */
	protected void doPost（HttpServletRequest request HttpServletResponse response） throws ServletException IOException {
		// TODO Auto-generated method stub
		doGet（request response）;
	}

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        779  2016-12-09 09:52  Supermarket\.classpath

     文件        911  2016-12-08 10:50  Supermarket\.project

     文件        567  2016-12-08 10:50  Supermarket\.settings\.jsdtscope

     文件        270  2016-12-15 08:57  Supermarket\.settings\org.eclipse.core.resources.prefs

     文件        364  2016-12-08 10:50  Supermarket\.settings\org.eclipse.jdt.core.prefs

     文件        485  2016-12-08 10:50  Supermarket\.settings\org.eclipse.wst.common.component

     文件        345  2016-12-08 10:50  Supermarket\.settings\org.eclipse.wst.common.project.facet.core.xml

     文件         49  2016-12-08 10:50  Supermarket\.settings\org.eclipse.wst.jsdt.ui.superType.container

     文件          6  2016-12-08 10:50  Supermarket\.settings\org.eclipse.wst.jsdt.ui.superType.name

     文件        645  2016-12-10 19:27  Supermarket\build\classes\log4j.properties

     文件       2074  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\authcode\ImageServlet.class

     文件       7398  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\authcode\RandomValidateCode.class

     文件        732  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\IDao.class

     文件       1432  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\baseDao.class

     文件       4295  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\CustomerBasicInfoDao.class

     文件       4026  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\CustomerDetailInfoDao.class

     文件       3202  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\CustomerInfoDao.class

     文件       3697  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\DeliveryAddrInfoDao.class

     文件       4780  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\EmployeeInfoDao.class

     文件       3578  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\EncryptInfoDao.class

     文件       4299  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\FeedbackInfoDao.class

     文件       2155  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\FeedbackVODao.class

     文件       3788  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\GoodsInfoDao.class

     文件       4108  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\GoodsInfosDao.class

     文件       4252  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\GoodsTypeInfoDao.class

     文件       3789  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\OrderInfoDao.class

     文件       3581  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\RoleInfoDao.class

     文件       2598  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\RoleRootDao.class

     文件       6359  2016-12-18 16:59  Supermarket\build\classes\team\one\supermarket\dao\impl\SendInfoDao.class

     文件       3633  2016-12-18 15:48  Supermarket\build\classes\team\one\supermarket\dao\impl\ShoppingCartDao.class

............此处省略679个文件信息