【Java开源代码栏目提醒】:网学会员鉴于大家对Java开源代码十分关注,论文会员在此为大家搜集整理了“WareKindServlet.java”一文,供大家参考学习
package com.webtier;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.domain.WareKindVO;
import com.dao.WareKindDao;
public class WareKindServlet
extends HttpServlet {
private int method;
private WareKindVO vo;
private WareKindDao dao;
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
request.setCharacterEncoding("gb2312");
vo = new WareKindVO();
dao = new WareKindDao();
method = Integer.parseInt(request.getParameter("method"));
switch (method) {
case 0: {
this.kindSelect(request, response); //全部查询
break;
}
case 1: {
this.kindInsert(request, response); //添加计量单位信息
break;
}
case 2: {
this.kindDelete(request, response); //删除操作
break;
}
case 3: {
this.kindSelectOne(request, response); //查询要修改信息的操作
break;
}
case 4: {
this.kindUpdate(request, response); //修改操作
break;
}
}
}
//修改操作
public void kindUpdate(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
vo.setKind_number(request.getParameter("number"));
vo.setKind_name(request.getParameter("name"));
vo.setKind_remark(request.getParameter("remark"));
dao.kindUpdate(vo);
request.setAttribute("success", "修改信息成功");
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"dataKind/success.jsp");
requestDispatcher.forward(request, response);
}
//查询要修改信息的操作
public void kindSelectOne(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
request.setAttribute("kind",
dao.kindSelectOne(request.getParameter("number")));
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"dataKind/kindUpdate.jsp");
requestDispatcher.forward(request, response);
}
//删除操作
public void kindDelete(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
dao.kindDelete(Integer.valueOf(request.getParameter("id")));
request.setAttribute("success", "删除信息成功");
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"dataKind/success.jsp");
requestDispatcher.forward(request, response);
}
//添加计量单位信息
public void kindInsert(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
String operate = request.getParameter("operate");
String url = null;
if (operate == null) {
url = "dataKind/kindInsert.jsp";
}
else {
String number = "noNumber";
vo.setKind_number(number);
vo.setKind_name(request.getParameter("name"));
vo.setKind_remark(request.getParameter("remark"));
if (dao.kindSelectName(request.getParameter("name")) == null) {
dao.kindInsert(vo);
WareKindVO wareKind = dao.kindSelectOne(number);
dao.kindUpdateNumber(wareKind.getId(), number);
request.setAttribute("success", "添加信息成功");
}
else {
request.setAttribute("success", "该名称已经存在");
}
url = "dataKind/success.jsp";
}
RequestDispatcher requestDispatcher = request.getRequestDispatcher(url);
requestDispatcher.forward(request, response);
}
//全部查询
public void kindSelect(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
List list = dao.kindSelect();
int pageNumber = list.size(); //计算出有多少条记录
int maxPage = pageNumber; //计算有多少页数
String number = request.getParameter("i");
if (maxPage % 5 == 0) {
maxPage = maxPage / 5;
}
else {
maxPage = maxPage / 5 + 1;
}
if (number ==