/*
*这个是黄迎斌的servlet框架
* http://opdps.hbnu.edu.cn/hyberbin
*/
package com.huahuan.manage.lywm;
import com.huahuan.servletutil.ServletUtil;
import com.huahuan.table.Lyb;
import com.huahuan.table.View_lyb;
import com.huahuan.table.Yhb;
import com.huahuan.tools.Util;
import com.jplus.json.EasyUiJson;
import java.io.IOException;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
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 javax.servlet.http.HttpSession;
import org.jplus.hyb.database.Hyberbin;
/**
*
* @author Administrator
*/
@WebServlet(name = "LywmManageAction", urlPatterns = "/manage/LywmManageAction.jsp")
public class LywmManageAction 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 ADD = 3;//添加记录
public final static int UPDATE = 4;//更新记录
public final static int DELETE = 6;//删除记录
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>
/**
* 显示留言列表
*/
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");
String searchValue = request.getParameter("searchValue");
String searchName = request.getParameter("searchName");
View_lyb lyb = new View_lyb();
Hyberbin hyb = new Hyberbin(lyb);
List list;
EasyUiJson easyui = new EasyUiJson(request);
String where = "";
if (Util.isEmpty(searchValue)) {
list = hyb.showByMySqlPage(where + " order by lyid desc", easyui);
} else {
where = " where " + searchName + " like ?";
hyb.addParmeter("%" + searchValue + "%");
list = hyb.showByMySqlPage(where + " order by lyid desc", easyui);
}
easyui.putAll(list);
ServletUtil.ajaxData(easyui.toDataString(), response);
}
/**
* 删除留言
*/
private void deleteLy(HttpServletRequest request, HttpServletResponse response) {
String num = request.getParameter("ids");//用于批量删除拼接的id字符串
Lyb hyb = new Lyb();
Hyberbin hyberbin = new Hyberbin(hyb);
String[] nums = num.split(":");
String sql = "";
for (int i = 0; i < nums.length; i++) {
hyberbin.addParmeter(nums[i]);
sql += " or lyid=?";
}
sql = sql.substring(3);
boolean b = hyberbin.dell("where" + sql);
String message = b ? "操作成功" : "操作失败";
ServletUtil.ajaxData(message, response, "html");
}
/**
* 添加留言
*/
private void addLy(HttpServletRequest request, HttpServletResponse response) {
Lyb lyb = new Lyb();
Hyberbin hyb = new Hyberbin(lyb);
ServletUtil.loadByBean(request, lyb, true);
SimpleDateFormat ss = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String composetime = ss.format(new java.util.Date());
Timestamp sj = Timestamp.valueOf(composetime);
lyb.setHfsj(sj);
lyb.setLysj(sj);
HttpSession session = request.getSession(false);
Yhb yhb = (Yhb) session.getAttribute("yhb");
lyb.setHfr(yhb.getYhm());
boolean b = hyb.insert("lyid");
String message = b ? "操作成功" : "操作失败";
ServletUtil.ajaxData(message, response, "html");
}
/**
* 修改留言
*/
private void updateLy(HttpServletRequest request, HttpServletResponse response) {
Lyb lyb = new Lyb();//留言表
Hyberbin hyberbin = new Hyberbin(lyb);
ServletUtil.loadByBean(request, lyb, true);
SimpleDateFormat ss = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String composetime = ss.format(new java.util.Date());
Timestamp sj = Timestamp.valueOf(composetime);
lyb.setHfsj(sj);
HttpSession session = request.getSession(false);
Yhb yhb = (Yhb) session.getAttribute("yhb");
lyb.setHfr(yhb.getYhm());
boolean b = hyberbin.updateByKey("lyid");
String message = b ? "操作成功" : "操作失败";
ServletUtil.ajaxData(message, response, "html");
}
/**
* 实现父类的抽象方法,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 ADD:
addLy(request, response);
break;
case UPDATE:
updateLy(request, response);
break;
case DELETE:
deleteLy(request, response);
break;
}
}
}