javaEE mvc例子详解 - JAVA

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.doUpda

javaEE mvc例子详解(七)