/*
*这个是黄迎斌的servlet框架
* http://opdps.hbnu.edu.cn/hyberbin
*/
package com.huahuan.manage.index;
import com.huahuan.servletutil.ServletUtil;
import com.huahuan.table.Hbxzs;
import com.jplus.json.EasyUiJson;
import java.io.IOException;
import java.util.List;
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 org.jplus.hyb.database.Hyberbin;
/**
*
* @author Administrator
*/
@WebServlet(name = "IndexManageAction", urlPatterns = "/manage/IndexManageAction.jsp")
public class IndexManageAction extends HttpServlet {
/**
* 下面是模式关键字 可以自行删除和增加自定义模式,关键字一定要大写 默认模式为OTHER=0,所以OTHER不能删除
*/
public final static int OTHER = 0;//其它
public final static int SHOWLIST = 2;//显示列表
public final static int UPDATE = 4;//更新记录
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=UTF-8");
execute(ServletUtil.setModel(request.getParameter("mode"), this), request, response);
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP
* <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
/**
* 显示环保小知识列表
*/
private void showlist(HttpServletRequest request, HttpServletResponse response) {
//禁止json缓存
response.setHeader("pragma", "no-cache");
response.setHeader("cache-control", "no-cache");
response.setHeader("expires", "0");
Hbxzs hbxzs = new Hbxzs();
Hyberbin hyb = new Hyberbin(hbxzs);
EasyUiJson easyui = new EasyUiJson(request);
List list = hyb.showByMySqlPage("", easyui);
easyui.putAll(list);
ServletUtil.ajaxData(easyui.toDataString(), response);
}
/**
* 修改环保小知识
*/
private void update(HttpServletRequest request, HttpServletResponse response) {
Hbxzs hbxzs = new Hbxzs();
Hyberbin hyb = new Hyberbin(hbxzs);
ServletUtil.loadByBean(request, hbxzs, true);
boolean b = hyb.updateByKey("id");
String message = b ? "操作成功" : "操作失败";
ServletUtil.ajaxData(message, response, "html");
}
/**
* 下面的模式和方法可以自行增删
*/
public void execute(int event, HttpServletRequest request, HttpServletResponse response) {
/**
* 下面是相关模式下所做的动作*
*/
switch (event) {
case SHOWLIST:
showlist(request, response);
break;
case UPDATE:
update(request, response);
break;
}
}
}