首页 > 代码库 > javaEE mvc例子详解
javaEE mvc例子详解
一个不错的例子值得细细品味：
下面按照包顺序将代码贴出来供大家参考：
IEmpDAO
package org.lzch.dao;
import java.util.List;
import org.lzch.vo.Emp;
public interface IEmpDAO {
public boolean doCreate(Emp emp)throws Exception;
public boolean doUpdate(Emp emp)throws Exception;
public boolean doDelete(int empno)throws Exception;
public List findAll(int currentPage,int lineSize,String keyword)throws Exception;
public int getAllCount(String keyword)throws Exception;
public Emp findEmpById(int empno)throws Exception;
public boolean getAllEname(String ename)throws Exception;
}
EmpDAOImpl
package org.lzch.dao.impl;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import org.lzch.dao.IEmpDAO;
import org.lzch.vo.Emp;
public class EmpDAOImpl implements IEmpDAO {
private Connection conn=null;
public EmpDAOImpl(Connection conn){
this.conn=conn;
}
//添加用户信息
public boolean doCreate(Emp emp) throws Exception {
// TODO Auto-generated method stub
boolean flag=false;
PreparedStatement pstmt=null;
try{
this.conn.setAutoCommit(false); //手动提交
String sql="INSERT INTO emp1(empno,ename,job,hiredate,sal,comm,photo)VALUES(?,?,?,?,?,?,?)";
pstmt=this.conn.prepareStatement(sql);
pstmt.setInt(1, emp.getEmpno());
pstmt.setString(2, emp.getEname());
pstmt.setString(3, emp.getJob());
pstmt.setDate(4, new java.sql.Date(emp.getHiredate().getTime()));
pstmt.setFloat(5, emp.getSal());
pstmt.setFloat(6, emp.getComm());
pstmt.setString(7, emp.getPhoto());
int count=pstmt.executeUpdate();
this.conn.commit(); //提交
if(count>0){
flag=true;
}
}catch(Exception e){
this.conn.rollback();
}finally{
try{
pstmt.close();
}catch(Exception e){
throw e;
}
}
return flag;
}
//删除
public boolean doDelete(int empno) throws Exception {
// TODO Auto-generated method stub
boolean flag=false;
PreparedStatement pstmt=null;
try{
String sql="DELETE FROM emp1 WHERE empno=?";
pstmt=this.conn.prepareStatement(sql);
pstmt.setInt(1, empno);
int count=pstmt.executeUpdate();
if(count>0){
flag=true;
}
}catch(Exception e){
throw e;
}finally{
try{
pstmt.close();
}catch(Exception e){
throw e;
}
}
return flag;
}
//更新
public boolean doUpdate(Emp emp) throws Exception {
// TODO Auto-generated method stub
boolean flag=false;
PreparedStatement pstmt=null;
try{
String sql="UPDATE emp1 SET ename=?,job=?,hiredate=?,sal=?,comm=?,photo=? WHERE empno=?";
pstmt=this.conn.prepareStatement(sql);
pstmt.setString(1, emp.getEname());
pstmt.setString(2, emp.getJob());
pstmt.setDate(3, new java.sql.Date(emp.getHiredate().getTime()));
pstmt.setFloat(4, emp.getSal());
pstmt.setFloat(5, emp.getComm());
pstmt.setString(6, emp.getPhoto());
pstmt.setInt(7, emp.getEmpno());
int count=pstmt.executeUpdate();
System.out.println("emp_UPDATE_SQL==="+sql);
if(count>0){
flag=true;
}
}catch(Exception e){
throw e;
}finally{
try{
pstmt.close();
}catch(Exception e){
throw e;
}
}
return flag;
}
//查询全部信息
public List findAll(int currentPage, int lineSize, String keyword)
throws Exception {
// TODO Auto-generated method stub
List all=new ArrayList();
PreparedStatement pstmt=null;
String sql=null;
if(keyword==null||"".equals(keyword)){
sql="SELECT TOP "+lineSize+" empno,ename,job,hiredate,sal,comm,photo FROM " +
"(SELECT TOP "+lineSize+" empno,ename,job,hiredate,sal,comm,photo FROM " +
"(SELECT TOP "+currentPage*lineSize+" * FROM emp1 ORDER BY empno ASC)temptlb1 ORDER BY empno DESC)temptlb2 ORDER BY empno asc";
}else{
sql="SELECT empno,ename,job,hiredate,sal,comm,photo FROM emp1 WHERE empno LIKE '%"+keyword+"%' " +
"OR ename LIKE '%"+keyword+"%' OR job LIKE '%"+keyword+"%' OR hiredate LIKE '%"+keyword+"%'" +
" OR sal LIKE '%"+keyword+"%' OR comm LIKE '%"+keyword+"%' ";
}
try{
pstmt=this.conn.prepareStatement(sql);
// pstmt.setString(1, "%"+keyword+"%");
// pstmt.setString(2, "%"+keyword+"%");
// pstmt.setString(3, "%"+keyword+"%");
// pstmt.setString(4, "%"+keyword+"%");
// pstmt.setString(5, "%"+keyword+"%");
// pstmt.setString(6, "%"+keyword+"%");
System.out.println(sql);
ResultSet rs=pstmt.executeQuery();
Emp emp=null;
while(rs.next()){
emp=new Emp();
emp.setEmpno(rs.getInt(1));
emp.setEname(rs.getString(2));
emp.setJob(rs.getString(3));
emp.setHiredate(rs.getDate(4));
emp.setSal(rs.getFloat(5));
emp.setComm(rs.getFloat(6));
emp.setPhoto(rs.getString(7));
all.add(emp);
}
}catch(Exception e){
throw e;
}finally{
try{
pstmt.close();
}catch(Exception e){
throw e;
}
}
return all;
}
//按ID查询
public Emp findEmpById(int empno) throws Exception {
// TODO Auto-generated method stub
Emp emp=null;
PreparedStatement pstmt=null;
try{
String sql="SELECT empno,ename,job,hiredate,sal,comm,photo FROM emp1 WHERE empno=?";
pstmt=this.conn.prepareStatement(sql);
pstmt.setInt(1, empno);
ResultSet rs=pstmt.executeQuery();
if(rs.next()){
emp=new Emp();
emp.setEmpno(rs.getInt(1));
emp.setEname(rs.getString(2));
emp.setJob(rs.getString(3));
emp.setHiredate(rs.getDate(4));
emp.setSal(rs.getFloat(5));
emp.setComm(rs.getFloat(6));
emp.setPhoto(rs.getString(7));
}
}catch(Exception e){
throw e;
}finally{
try{
pstmt.close();
}catch(Exception e){
throw e;
}
}
return emp;
}
//查询数据表里 记录集
public int getAllCount(String keyword) throws Exception {
// TODO Auto-generated method stub
int count=0;
PreparedStatement pstmt=null;
try{
String sql="SELECT COUNT(empno) FROM emp1 WHERE empno LIKE ? OR ename LIKE ? " +
"OR job LIKE ? OR hiredate LIKE ? OR sal LIKE ? OR comm LIKE ? OR photo LIKE ? ";
pstmt=this.conn.prepareStatement(sql);
pstmt.setString(1, "%"+keyword+"%");
pstmt.setString(2, "%"+keyword+"%");
pstmt.setString(3, "%"+keyword+"%");
pstmt.setString(4, "%"+keyword+"%");
pstmt.setString(5, "%"+keyword+"%");
pstmt.setString(6, "%"+keyword+"%");
pstmt.setString(7, "%"+keyword+"%");
ResultSet rs=pstmt.executeQuery();
if(rs.next()){
count=rs.getInt(1); //返回数据表里的所有数据集 geeInt(1):方法，查询表里所有数据集
}
}catch(Exception e){
throw e;
}finally{
try{
pstmt.close();
}catch(Exception e){
throw e;
}
}
return count;
}
//验证用户名是否存在
public boolean getAllEname(String ename)throws Exception{
boolean flag=false;
PreparedStatement pstmt=null;
try{
String sql="SELECT COUNT(ename) FROM emp1 WHERE ename=?";
pstmt=this.conn.prepareStatement(sql);
pstmt.setString(1, ename);
ResultSet rs=pstmt.executeQuery();
if(rs.next()){
if(rs.getInt(1)>0){
flag=true;
System.out.println("impl===flag=="+rs.getInt(1));
System.out.println("impl===flag=="+flag);
}else{
flag=false;
}
}
}catch(Exception e){
throw e;
}finally{
try{
pstmt.close();
}catch(Exception e){
throw e;
}
}
return flag;
}
}
EmpDAOProxy
package org.lzch.dao.proxy;
import java.util.List;
import org.lzch.dao.IEmpDAO;
import org.lzch.dao.impl.EmpDAOImpl;
import org.lzch.dbc.DatabaseConnection;
import org.lzch.vo.Emp;
public class EmpDAOProxy implements IEmpDAO {
private DatabaseConnection dbc=null;
private IEmpDAO dao=null;
int count=0;
public EmpDAOProxy(){
try{
this.dbc=new DatabaseConnection();
}catch(Exception e){
e.printStackTrace();
}
this.dao=new EmpDAOImpl(this.dbc.getConnection());
}
public boolean doCreate(Emp emp) throws Exception {
// TODO Auto-generated method stub
boolean flag=false;
try{
if(this.dao.findEmpById(emp.getEmpno())==null){
flag=this.dao.doCreate(emp); //调用真实主题类
}
}catch(Exception e){
throw e;
}finally{
try{
this.dbc.closeConnection();
}catch(Exception e){
throw e;
}
}
return flag;
}
public boolean doDelete(int empno) throws Exception {
// TODO Auto-generated method stub
boolean flag=false;
try{
flag=this.dao.doDelete(empno); //调用真实主题类
}catch(Exception e){
throw e;
}finally{
try{
this.dbc.closeConnection();
}catch(Exception e){
throw e;
}
}
return flag;
}
public boolean doUpdate(Emp emp) throws Exception {
// TODO Auto-generated method stub
boolean flag=false;
try{
flag=this.dao.doUpdate(emp); //调用真实主题类
}catch(Exception e){
throw e;
}finally{
try{
this.dbc.closeConnection();
}catch(Exception e){
throw e;
}
}
return flag;
}
public List findAll(int currentPage, int lineSize, String keyword)
throws Exception {
// TODO Auto-generated method stub
List all=null;
try{
all=this.dao.findAll(currentPage, lineSize, keyword); //调用真实主题类
count=this.dao.getAllCount(keyword); //取得最大记录数 //调用真实主题类
}catch(Exception e){
throw e;
}finally{
try{
this.dbc.closeConnection();
}catch(Exception e){
throw e;
}
}
return all;
}
public Emp findEmpById(int empno) throws Exception {
// TODO Auto-generated method stub
Emp emp=null;
try{
emp=this.dao.findEmpById(empno); //调用真实主题类
}catch(Exception e){
throw e;
}finally{
try{
this.dbc.closeConnection();
}catch(Exception e){
throw e;
}
}
return emp;
}
public int getAllCount(String keyword) throws Exception {
// TODO Auto-generated method stub
return this.count;
}
public boolean getAllEname(String ename)throws Exception{
boolean flag=false;
try{
flag=this.dao.getAllEname(ename);
}catch(Exception e){
throw e;
}finally{
try{
this.dbc.closeConnection();
}catch(Exception e){
throw e;
}
}
return flag;
}
}
DatabaseConnection
package org.lzch.dbc;
import java.sql.Connection;
import java.sql.DriverManager;
public class DatabaseConnection {
private static final String DBDRIVER="com.microsoft.sqlserver.jdbc.SQLServerDriver";
private static final String DBURL="jdbc:sqlserver://localhost:1433;DatabaseName=login";
private static final String DBUSER="sa";
private static final String DBPASSWORD="000000";
private Connection conn=null;
public DatabaseConnection(){
try{
Class.forName(DBDRIVER);
this.conn=DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD);
}catch(Exception e){
e.printStackTrace();
}
}
public Connection getConnection(){
return this.conn;
}
public void closeConnection(){
if(this.conn!=null){
try{
this.conn.close();
}catch(Exception e){
e.printStackTrace();
}
}
}
}
DAOFactory
package org.lzch.factory;
import org.lzch.dao.IEmpDAO;
import org.lzch.dao.proxy.EmpDAOProxy;
public class DAOFactory {
public static IEmpDAO getIEmpDAOInstance(){
return new EmpDAOProxy();
}
}
EmpEncodingFilter
package org.lzch.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class EmpEncodingFilter implements Filter {
private String charset=null;
public void destroy() {
// TODO Auto-generated method stub
}
public void doFilter(ServletRequest req, ServletResponse resp,
FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
req.setCharacterEncoding(this.charset);
chain.doFilter(req, resp);
}
public void init(FilterConfig config) throws ServletException {
// TODO Auto-generated method stub
this.charset=config.getInitParameter("charset");
}
}
EmpServlet
package org.lzch.servlet;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLDecoder;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.lzch.factory.DAOFactory;
import org.lzch.util.IPTimeStamp;
import org.lzch.vo.Emp;
import com.jspsmart.upload.SmartUpload;
public class EmpServlet extends HttpServlet {
public void service(HttpServletRequest req,HttpServletResponse resp)throws ServletException,IOException{
String p=req.getParameter("p");
if(p.equals("emp_insert")){
this.doCreate(req, resp);
}
if(p.equals("doUpdatePage")){
this.doUpdatePage(req, resp);
}
if(p.equals("doUpdate")){
this.doUpdate(req, resp);
}
if(p.equals("doDelete")){
this.doDelete(req, resp);
}
if(p.equals("getAllEname")){
this.getAllEname(req, resp);
}
}
public void doCreate(HttpServletRequest req,HttpServletResponse resp)throws ServletException,IOException{
List all=new ArrayList();
SmartUpload smart=new SmartUpload();
Emp emp=new Emp();
int empno=0;
String ename=null;
String job=null;
Date hiredate=null;
float sal=0.0f;
float comm=0.0f;
String photo="nophoto.jpg";
try{
smart.initialize(this.getServletConfig(),req,resp); //初始化上传
smart.upload(); //准备上传
empno=Integer.parseInt(smart.getRequest().getParameter("empno"));
ename=smart.getRequest().getParameter("ename");
job=smart.getRequest().getParameter("job");
hiredate=new SimpleDateFormat("yyyy-mm-dd").parse(smart.getRequest().getParameter("hiredate"));
sal=Float.parseFloat(smart.getRequest().getParameter("sal"));
comm=Float.parseFloat(smart.getRequest().getParameter("comm"));
if(smart.getFiles().getFile(0).getSize()>0){ //判断是否有上传文件
IPTimeStamp its=new IPTimeStamp(req.getRemoteAddr());
//拼凑上传文件名称
photo=its.getIPTimeStampRand()+"."+smart.getFiles().getFile(0).getFileExt();
}
emp.setEmpno(empno);
emp.setEname(ename);
emp.setJob(job);
emp.setHiredate(hiredate);
emp.setSal(sal);
emp.setComm(comm);
emp.setPhoto(photo);
if(DAOFactory.getIEmpDAOInstance().doCreate(emp)){
if(smart.getFiles().getFile(0).getSize()>0){
//添加成功，保存上传文件
smart.getFiles().getFile(0).saveAs(getServletContext().getRealPath("/")+"jsp/upload/"+photo);
}
all.add("职员信息添加成功！");
}else{
all.add("职员信息添加失败！");
}
}catch(Exception e){
e.printStackTrace();
}
req.setAttribute("infoInsert", all);
req.getRequestDispatcher("jsp/admin/emp/emp_insert_do.jsp").forward(req, resp);
}
public void doUpdatePage(HttpServletRequest req,HttpServletResponse resp)throws ServletException,IOException{
int empno=0;
Emp emp=null;
try{
empno=Integer.parseInt(req.getParameter("empno"));
emp=DAOFactory.getIEmpDAOInstance().findEmpById(empno);
}catch(Exception e){
e.printStackTrace();
}
req.setAttribute("infoUpdatePage", emp);
req.getRequestDispatcher("jsp/admin/emp/emp_update.jsp").forward(req, resp);
}
public void doUpdate(HttpServletRequest req,HttpServletResponse resp)throws ServletException,IOException{
List all=new ArrayList();
SmartUpload smart=new SmartUpload();
Emp emp=new Emp();
int empno=0;
String ename=null;
String job=null;
Date hiredate=null;
float sal=0.0f;
float comm=0.0f;
String photo=smart.getRequest().getParameter("pic");
try{
smart.initialize(getServletConfig(),req,resp); //初始化上传
smart.upload(); //准备上传
empno=Integer.parseInt(smart.getRequest().getParameter("empno"));
ename=smart.getRequest().getParameter("ename");
job=smart.getRequest().getParameter("job");
hiredate=new SimpleDateFormat("yyyy-mm-dd").parse(smart.getRequest().getParameter("hiredate"));
sal=Float.parseFloat(smart.getRequest().getParameter("sal"));
comm=Float.parseFloat(smart.getRequest().getParameter("comm"));
if(smart.getFiles().getFile(0).getSize()>0){
IPTimeStamp its=new IPTimeStamp(req.getRemoteAddr());
photo=its.getIPTimeStampRand()+"."+smart.getFiles().getFile(0).getFileExt(); //拼凑上传文件名称
}
emp.setEmpno(empno);
emp.setEname(ename);
emp.setJob(job);
emp.setHiredate(hiredate);
emp.setSal(sal);
emp.setComm(comm);
emp.setPhoto(photo);
if(DAOFactory.getIEmpDAOInstance().doUpdate(emp)){
if(smart.getFiles().getFile(0).getSize()>0){
//保存上传文件
smart.getFiles().getFile(0).saveAs(getServletContext().getRealPath("/")+"jsp/upload/"+photo);
}
all.add("员工信息修改成功！");
}else{
all.add("员工信息修改失败！");
}
}catch(Exception e){
e.printStackTrace();
}
req.setAttribute("infoUpdate", all);
req.getRequestDispatcher("jsp/admin/emp/emp_update_do.jsp").forward(req, resp);
}
public void doDelete(HttpServletRequest req,HttpServletResponse resp)throws ServletException,IOException{
int empno=0;
String photo=null;
List all=new ArrayList();
try{
empno=Integer.parseInt(req.getParameter("empno"));
photo=req.getParameter("photo");
System.out.println("photo=="+photo);
if(DAOFactory.getIEmpDAOInstance().doDelete(empno)){
if(!(photo.equals("nophoto.jpg"))){
File f=new File(this.getServletContext().getRealPath("/")+"jsp/upload/"+photo); //找到当前文件
System.out.println("当前文件是否存在=="+f.exists());
if(f.exists()){ //判断当前文件或者文件目录是否存在，则
f.delete(); //则进行删除
}
}
all.add("文件删除成功！");
}else{
all.add("文件删除失败！");
}
}catch(Exception e){
e.printStackTrace();
}
req.setAttribute("infoDelete", all);
req.getRequestDispatcher("jsp/admin/emp/emp_delete_do.jsp").forward(req, resp);
}
public void getAllEname(HttpServletRequest req,HttpServletResponse resp)throws ServletException,IOException{
req.setCharacterEncoding("gb2312");
resp.setContentType("text/html;charset=gb2312");
String ename=null;
PrintWriter out=resp.getWriter();
try{
System.out.println("++++++后台取javascript传递参数++++++++"+req.getParameter("ename"));
//1.String name = URLDecoder.decode("客户端传输过来的中文字符","UTF-8");
ename=URLDecoder.decode(req.getParameter("ename"),"gb2312");
System.out.println("********servlet********"+ename);
if(DAOFactory.getIEmpDAOInstance().getAllEname(ename)){
out.print("true");
}else{
out.print("false");
}
}catch(Exception e){
e.printStackTrace();
}
}
}
Test
package org.lzch.test;
import java.util.Date;
import org.lzch.vo.Emp;
import org.lzch.factory.DAOFactory;
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Emp emp=new Emp();
emp.setEmpno(79);
emp.setEname("lzch");
emp.setJob("工程师");
emp.setHiredate(new Date());
emp.setSal(5555.5f);
emp.setComm(350.9f);
emp.setPhoto("nophoto.jpg");
try{
if(DAOFactory.getIEmpDAOInstance().doCreate(emp)){
System.out.println("插入成功！");
}else{
System.out.println("插入失败！");
}
}catch(Exception e){
e.printStackTrace();
}
}
}IPTimeStamp
package org.lzch.util;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;
public class IPTimeStamp {
private String ip=null;
public IPTimeStamp(String ip){
this.ip=ip;
}
//上传文件命名：IP+时间戳+3位随机数
public String getIPTimeStampRand(){
StringBuffer buf=new StringBuffer();
//添加当前IP地址
if(this.ip!=null){
String str[]=this.ip.split("\\."); //进行拆分IP地址
for(int i=0;i<str.length;i++){
buf.append(this.addZero(str[i], 3)); //位数不够3位的，进行补0操作
}
}
//添加时间戳
buf.append(this.getTimeStamp());
//添加3为随机数
Random ran=new Random();
for(int i=0;i<3;i++){ //循环3次
buf.append(ran.nextInt(10)); //取得一位0到10之间的随机整数
}
return buf.toString();
}
//补0操作
public String addZero(String str,int len){
StringBuffer buf=new StringBuffer();
buf.append(str);
while(buf.length()<len){
buf.insert(0, "0"); //进行添加0操作
}
return buf.toString();
}
//时间戳
public String getTimeStamp(){
SimpleDateFormat sdf=new SimpleDateFormat("yyyyMMddHHmmssSSS"); //取得当前时间
return sdf.format(new Date());
}
}
Emp
package org.lzch.vo;
import java.util.Date;
public class Emp {
private int empno;
private String ename;
private String job;
private Date hiredate;
private float sal;
private float comm;
private String photo;
public float getComm() {
return comm;
}
public void setComm(float comm) {
this.comm = comm;
}
public int getEmpno() {
return empno;
}
public void setEmpno(int empno) {
this.empno = empno;
}
public String getEname() {
return ename;
}
public void setEname(String ename) {
this.ename = ename;
}
public Date getHiredate() {
return hiredate;
}
public void setHiredate(Date hiredate) {
this.hiredate = hiredate;
}
public String getJob() {
return job;
}
public void setJob(String job) {
this.job = job;
}
public String getPhoto() {
return photo;
}
public void setPhoto(String photo) {
this.photo = photo;
}
public float getSal() {
return sal;
}
public void setSal(float sal) {
this.sal = sal;
}
}
emp_delete_do.jsp
<%@page pageEncoding="GBK" contentType="text/html; charset=GBK" %>
<%@page import="java.util.List,java.util.Iterator" %>
<html>
<head>
<title>删除</title>
</head>
<script type="text/javascript">
opener.window.location.reload() ; //重新读取，刷新
function closeWin(){
window.close();
}
</script>
<body>
<center>
<h2>职员管理程序</h2>
<hr>
<%
List all=(List)request.getAttribute("infoDelete");
Iterator iter=all.iterator();
while(iter.hasNext()){
%>
<h2><%=iter.next() %></h2>
<%
}
%>
<h2><a href=http://www.mamicode.com/"#" onclick="closeWin()">关闭窗口>
emp_insert_do.jsp
<%@page pageEncoding="GBK" contentType="text/html; charset=GBK" %>
<%@page import="java.util.List,java.util.Iterator" %>
<html>
<head>
<title>注册页面</title>
</head>
<script type="text/javascript">
opener.window.location.reload() ; //重新读取，刷新
function closeWin(){
window.close();
}
</script>
<body>
<center>
<h2>职员管理程序</h2>
<hr>
<%
List all=(List)request.getAttribute("infoInsert");
Iterator iter=all.iterator();
while(iter.hasNext()){
%>
<h2><%=iter.next() %></h2>
<%
}
%>
<h2><a href=http://www.mamicode.com/"#" onclick="closeWin()">关闭窗口>
emp_insert.jsp
<%@page pageEncoding="GBK" contentType="text/html; charset=GBK" %>
<html>
<head>
<title>职员注册页面</title>
</head>
<script type="text/javascript" src=http://www.mamicode.com/js/data.js"></script>>
emp_list.jsp
<%@page pageEncoding="GBK" contentType="text/html; charset=GBK" %>
<%@page import="java.util.List,java.util.Iterator" %>
<%@page import="org.lzch.vo.Emp" %>
<%@page import="org.lzch.dao.proxy.EmpDAOProxy,org.lzch.dao.IEmpDAO" %>
<html>
<head>
<title>职员查询程序</title>
</head>
<style>
body,td{
font-size:13px;
}
</style>
<script type="text/javascript" src=http://www.mamicode.com/js/data.js"></script>>
emp_update_do.jsp
<%@page pageEncoding="GBK" contentType="text/html; charset=GBK" %>
<%@page import="java.util.List,java.util.Iterator" %>
<html>
<head>
<title>修改</title>
</head>
<script type="text/javascript">
opener.window.location.reload() ; //重新读取，刷新
function closeWin(){
window.close();
}
</script>
<body>
<center>
<h2>职员管理程序</h2>
<hr>
<%
List all=(List)request.getAttribute("infoUpdate");
Iterator iter=all.iterator();
while(iter.hasNext()){
%>
<h2><%=iter.next() %></h2>
<%
}
%>
<h2><a href=http://www.mamicode.com/"#" onclick="closeWin()">关闭窗口>
emp_update.jsp
<%@page pageEncoding="GBK" contentType="text/html; charset=GBK" %>
<%@page import="org.lzch.vo.Emp" %>
<html>
<head>
<title>更新页面</title>
</head>
<script type="text/javascript" src=http://www.mamicode.com/js/data.js"></script>>
split_page.jsp
<%@ page contentType="text/html;charset=GBK"%>
<%@ page import="java.util.*"%>
<%--
只需要在需要分页的地方导入此页面即可
<jsp:include page="split_page.jsp">
<jsp:param name="currentPage" value=http://www.mamicode.com/""/>>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>
TestJava2</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>empEncoding</filter-name>
<filter-class>org.lzch.filter.EmpEncodingFilter</filter-class>
<init-param>
<param-name>charset</param-name>
<param-value>gb2312</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>empEncoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>empServlet</servlet-name>
<servlet-class>org.lzch.servlet.EmpServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>empServlet</servlet-name>
<url-pattern>/EmpServlet</url-pattern>
</servlet-mapping>
</web-app>
emp.sql
CREATE TABLE emp1(
empno int not null PRIMARY KEY,
ename varchar(20),
job varchar(10),
hiredate datetime,
sal float,
comm float,
photo varchar(20)
)
资源链接：http://download.csdn.net/detail/qilixiang012/7387063
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。