【Java开源代码栏目提醒】:网学会员在Java开源代码频道为大家收集整理了BankServlet.java提供大家参考,希望对大家有所帮助!
package com.
webtier;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.domain.BankVO;
import com.dao.BankDao;
//银行信息的servlet
public class BankServlet
extends HttpServlet {
private int method;
private BankVO vo;
private BankDao dao;
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
request.setCharacterEncoding("gb2312");
vo = new BankVO();
dao = new BankDao();
method = Integer.parseInt(request.getParameter("method"));
switch (method) {
case 0: {
this.bankSelect(request, response); //查询所有银行的信息
break;
}
case 1: {
this.bankInsert(request, response); //添加银行信息
break;
}
case 2: {
this.bankSelectOne(request, response); //条件查询
break;
}
case 3: {
this.bankUpdate(request, response); //修改银行信息
break;
}
case 4: {
this.bankDelete(request, response); //删除操作
break;
}
case 5:{
this.bankRemark(request,response);//查看详细信息
break;
}
}
}
//
查询所有的银行信息
public void bankSelect(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
List list = dao.bankSelect();
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(
"dataBank/bankSelect.jsp");
requestDispatcher.forward(request, response);
}
//添加银行信息的操作
public void bankInsert(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
String url = null;
String operate = request.getParameter("operate");
if (operate == null) {
url = "dataBank/bankInsert.jsp";
}
else {
String number = "noNumber";
String name = request.getParameter("name");
if (dao.BankSelectName(name) != null) {
request.setAttribute("success", "该名称已经存在!!!");
}
else {
vo.setBank_number(number);
vo.setBank_name(name);
vo.setBank_remark(request.getParameter("remark"));
dao.bankInsert(vo);
BankVO bank = dao.BankSelectOne(number);
dao.bankUpdateNumber("bank-" + bank.getId(), bank.getId());
request.setAttribute("success", "添加银行信息成功!!!");
}
url = "dataBank/success.jsp";
}
RequestDispatcher requestDispatcher = request.getRequestDispatcher(url);
requestDispatcher.forward(request, response);
}
//条件查询的操作
public void bankSelectOne(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
String url = "";
String operate = request.getParameter("operate");
BankVO bank = dao.BankSelectOne(request.getParameter("number"));
request.setAttribute("bank", bank);
if (operate == null) {
url = "dataBank/updateBank.jsp";
}
else {
url = "dataBank/updateBank.jsp";
}
RequestDispatcher requestDispatcher = request.getRequestDispatcher(url);
requestDispatcher.forward(request, response);
}
//修改操作
public void bankUpdate(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
String name = request.getParameter("name");
vo.setId(Integer.valueOf(request.getParameter("id")));
vo.setBank_name(name);
vo.setBank_remark(request.getParameter("remark"));
dao.bankUpdate(vo);
request.setAttribute("success", "修改银行信息成功!!!");
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"dataBank/success.jsp");
requestDispatcher.forward(request, response);
}
//删除的操作
public void bankDelete(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
dao.bankDelete(Integer.valueOf(request.getParameter("id")));
request.setAttribute("success", "删除银行信息成功");
RequestDispatcher requestDispatcher = request.getRequestDispatcher(
"dataBank/success.jsp");
requestDispatcher.forward(request, response);
}
//查看银行的备注信息