【Java开源代码栏目提醒】:文章导读:在新的一年中,各位网友都进入紧张的学习或是工作阶段。网学会员整理了Java开源代码-WareServlet.java的相关内容供大家参考,祝大家在新的一年里工作和学习顺利!
package com.webtier;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.dao.WareDao;
import com.domain.WareVO;
//商品信息的Servelt
public class WareServlet
extends HttpServlet {
private int method;
private WareDao dao;
private WareVO vo;
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
request.setCharacterEncoding("gb2312");
this.method = Integer.parseInt(request.getParameter("method"));
this.vo = new WareVO();
this.dao = new WareDao();
switch (method) {
case 0: {
this.wareSelect(request, response);
break;
}
case 1: {
this.wareSelectOne(request, response);
break;
}
case 2: {
this.wareUpdate(request, response);
break;
}
case 3: {
this.wareInsert(request, response);
break;
}
case 4: {
this.wareDelete(request, response);
break;
}
case 5: {
this.wareIn(request, response);
break;
}
}
}
//进货
public void wareIn(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
String url = "";
String ware = request.getParameter("ware");
if (ware == null) {
request.setAttribute("ware",
dao.wareSelectOne(request.getParameter("number")));
url = "ware/inWare.jsp";
}
else {
Integer id = Integer.valueOf(request.getParameter("id"));
int oldAccount = Integer.parseInt(request.getParameter("oldAccount").trim());
int newAccount = Integer.parseInt(request.getParameter("newAccount").trim());
int account = oldAccount + newAccount;
dao.wareIn(id, account);
request.setAttribute("success", "进货成功!!!");
url = "ware/success.jsp";
}
RequestDispatcher requestDispatcher = request.getRequestDispatcher(url);
requestDispatcher.forward(request, response);
}
public void wareDelete(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
dao.wareDelete(Integer.valueOf(request.getParameter("id")));
request.setAttribute("success", "删除信息成功!!!");
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"ware/success.jsp");
requestDispatcher.forward(request, response);
}
public void wareInsert(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
String operate = request.getParameter("operate");
String url = null;
if (operate == null) {
url = "ware/insertWare.jsp";
}
else {
String number = "noNumber";
vo.setNumber(number);
vo.setName(request.getParameter("name"));
vo.setKind(request.getParameter("kind"));
vo.setBusiness(request.getParameter("business"));
vo.setAccount(Integer.valueOf(request.getParameter("account")));
vo.setMeasure(request.getParameter("unit"));
vo.setMoney(Float.parseFloat(request.getParameter("money")));
vo.setRemark(request.getParameter("remark"));
dao.wareInsert(vo);
WareVO ware = dao.wareSelectOne(number);
dao.wareUpdateNumber(ware.getId(), number);
request.setAttribute("success", "添加信息成功");
url = "ware/success.jsp";
}
RequestDispatcher requestDispatcher = request.getRequestDispatcher(url);
requestDispatcher.forward(request, response);
}
public void wareUpdate(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
vo.setName(request.getParameter("name"));
vo.setKind(request.getParameter("kind"));
vo.setBusiness(request.getParameter("business"));
vo.setAccount(Integer.valueOf(request.getParameter("account")));
vo.setMeasure(request.getParameter("unit"));
vo.setMoney(Float.parseFloat(request.getParameter("money")));
vo.setRemark(request.getParameter("remark"));
vo.setId(Integer.valueOf(request.getParameter("id")));
dao.wareUpdate(vo);
request.setAttribute("success", "修改信息成功!!!");
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"ware/success.jsp");
requestDispatcher.forward(request, response);
}
public void wareSelectOne(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
String url = "";
request.setAttribute("ware",
dao.wareSelectOne(request.getParameter("number")));
if (request.getParameter("ware") == null) {
url = "ware/selectOneWare.jsp";
}
else {
url = "ware/updateWare.jsp";
}
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
url);
requestDispatcher.forward(request, response);
}
public void wareSelect(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
List list = dao.wareSelect();
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 == null) {
number = "0";
}
request.setAttribute("number", String.valueOf(number));
request.setAttribute("maxPage", String.valueOf(maxPage));
request.setAttribute("pageNumber", String.valueOf(pageNumber));
request.setAttribute("list", list);
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"ware/wareSelect.jsp");
requestDispatcher.forward(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
doGet(request, response);
}
}
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