【算命论坛源码】【电影无广告源码】【神兽牛牛大厅源码】jsp收银源码

【算命论坛源码】【电影无广告源码】【神兽牛牛大厅源码】jsp收银源码_java收银系统源代码

来源:热血封神源码发表时间:2024-11-28 15:46:23

1.jsp登陆界面源代码
2.商业源码源码分类
3.求一个基于jsp的收a收网上商城源代码,用sqlserver 2008 tomcat eclipse 做的
4.求jsp登录源码急急急急急急急急急急急

jsp收银源码_java收银系统源代码

jsp登陆界面源代码

1、login.jsp文件

<%@ page language="java" contentType="text/html; charset=GB"

pageEncoding="GB"%>

<%@ page import="java.util.*" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. Transitional//EN">

<html>

<head>

</head>

<body>

<table>

<tr>

</tr>

<tr>

</tr>

<tr>

<td><input type="submit" value="登录" style="background-color:pink"> <input

type="reset" value="重置" style="background-color:red"></td>

</tr>

</table>

</form>

</body>

</html>

2、银源银系judge.jsp文件

<%@ page language="java" contentType="text/html; charset=GB"

pageEncoding="GB"%>

<%@ page import="java.util.*" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. Transitional//EN">

<html>

<head>

</head>

<body>

request.setCharacterEncoding("GB");

String name = request.getParameter("userName");

String password = request.getParameter("password");

if(name.equals("abc")&& password.equals("")) {

3、统源afterLogin.jsp文件

<jsp:forward page="afterLogin.jsp">

<jsp:param name="userName" value="<%=name%>"/>

</jsp:forward>

}

else {

<jsp:forward page="login.jsp"/>

}

</body>

</html>

<%@ page language="java" contentType="text/html; charset=GB"

pageEncoding="GB"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. Transitional//EN">

<html>

<head>

</head>

<body>

request.setCharacterEncoding("GB");

String name = request.getParameter("userName");

out.println("欢迎你:" + name);

</body>

</html>

扩展资料：

java web登录界面源代码：

1、代码Data_uil.java文件

import java.sql.*;

public class Data_uil

{

public Connection getConnection()

{

try{

Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

}catch(ClassNotFoundException e)

{

e.printStackTrace();

}

String user="***";

String password="***";

String url="jdbc:sqlserver://.0.0.1:;DatabaseName=***";

Connection con=null;

try{

con=DriverManager.getConnection(url,收a收user,password);

}catch(SQLException e)

{

e.printStackTrace();

}

return con;

}

public String selectPassword(String username)

{

Connection connection=getConnection();

String sql="select *from login where username=?";

PreparedStatement preparedStatement=null;

ResultSet result=null;

String password=null;

try{

preparedStatement=connection.prepareStatement(sql);

preparedStatement.setString(1,username);

result=preparedStatement.executeQuery();//可执行的查询

if(result.next())

password=result.getString("password");

}catch(SQLException e){

e.printStackTrace();

}finally

{

close(preparedStatement);

close(result);

close(connection);

}

System.out.println("找到的数据库密码为："+password);

return password;

}

public void close (Connection con)

{

try{

if(con!=null)

{

con.close();

}

}catch(SQLException e)

{

e.printStackTrace();

}

public void close (PreparedStatement preparedStatement)

{

try{

if(preparedStatement!=null)

{

preparedStatement.close();

}

}catch(SQLException e)

{

e.printStackTrace();

}

public void close(ResultSet resultSet)

{

try{

if(resultSet!=null)

{

resultSet.close();

}

}catch(SQLException e)

{

e.printStackTrace();

}

2、login_check.jsp:文件

<%@ page language="java" contentType="text/html; charset=utf-8"

pageEncoding="utf-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4. Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>验证用户密码</title>

</head>

<body>

<jsp:useBean id="util" class="util.Data_uil" scope="page" />

String username=(String)request.getParameter("username");

String password=(String)request.getParameter("password");

if(username==null||"".equals(username))

{

out.print("<script language='javaScript'> alert('用户名不能为空');</script>");

response.setHeader("refresh",银源银系算命论坛源码 "0;url=user_login.jsp");

}

else

{

System.out.println("输入的用户名:"+username);

String passwordInDataBase=util.selectPassword(username);

System.out.println("密码："+passwordInDataBase);

if(passwordInDataBase==null||"".equals(passwordInDataBase))

{

out.print("<script language='javaScript'> alert('用户名不存在');</script>");

response.setHeader("refresh", "0;url=user_login.jsp");

}

else if(passwordInDataBase.equals(password))

{

out.print("<script language='javaScript'> alert('登录成功');</script>");

response.setHeader("refresh", "0;url=loginSucces.jsp");

}

else

{

out.print("<script language='javaScript'> alert('密码错误');</script>");

response.setHeader("refresh", "0;url=user_login.jsp");

}

</body>

</html>

3、loginSucces.jsp文件

<%@ page language="java" contentType="text/html; charset=utf-8"

pageEncoding="utf-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4. Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Insert title here</title>

</head>

<body>

</body>

</html>

4、统源user_login.jsp文件

<%@ page language="java" contentType="text/html; charset=utf-8"

pageEncoding="utf-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4. Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

</head>

<h1 style="color:yellow">Login</h1>

<br>

<tr >

</tr>

<tr>

</td>

</tr>

</table>

<br>

</form>

</center>

</body>

</html>

商业源码源码分类

网站源码主要可以分为两大类，代码动态源码与静态源码。收a收其中，银源银系动态源码包括ASP、统源PHP、代码JSP、收a收.NET、银源银系CGI等，统源电影无广告源码而静态源码则以HTML为代表。

无论是运行的软件还是网站，它们都是由程序员通过编写代码构建而成。在编写程序的过程中，程序员使用的“语言”就是所谓的“源码”，就像音乐家以五线谱表达音符，建筑师以图纸勾勒蓝图一样，神兽牛牛大厅源码源码是程序员们构建程序的“语言”。

那么，商业源码又是什么？商业源码，即商业化的源代码，指的是在商业活动中，用于实现特定功能或提供服务的源代码。商业源码通常涉及到版权、手机直播整套源码授权和付费等问题，因此，在使用和传播商业源码时，需遵守相应的法律和协议。

动态源码与静态源码之间存在着明显的差异。动态源码能够根据输入数据生成动态内容，如动态网页、幻兮支付源码博客系统、电子商务平台等。这类源码的编写较为复杂，需要考虑用户交互、数据库操作、安全性和性能优化等多个方面。

静态源码则主要以HTML为基础，用于构建网页结构和内容展示。静态源码的编写相对简单，无需进行服务器端处理，可以直接通过浏览器查看。然而，静态源码的更新和维护较为繁琐，一旦需要修改页面内容或样式，通常需要重新编写或编辑源代码。

总之，动态源码与静态源码在功能、开发难度以及维护方式上存在显著差异，但都是构建网站和软件不可或缺的重要组成部分。在选择和使用源码时，应根据实际需求、项目特点以及技术能力做出合理决策。

求一个基于jsp的网上商城源代码,用sqlserver tomcat eclipse 做的

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求jsp登录源码急急急急急急急急急急急

登陆页面 index.jsp源码：

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. Transitional//EN">

<html>

<head>

<title>login</title>

<!--

-->

</head>

<body>

用户名：<input type="text" name="username" ><br>

密码:<input type="password" name="userpass"><br>

</form>

</body>

</html>

-------------

LoginServlet.java 源码：

package servlet;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class LoginServlet extends HttpServlet {

* Constructor of the object.

public LoginServlet() {

super();

}

* Destruction of the servlet. <br>

public void destroy() {

super.destroy(); // Just puts "destroy" string in log

// Put your code here

}

* The doGet method of the servlet. <br>

* This method is called when a form has its tag value method equals to get.

* @param request the request send by the client to the server

* @param response the response send by the server to the client

* @throws ServletException if an error occurred

* @throws IOException if an error occurred

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

//获得jsp页面传输的参数

String username=request.getParameter("username");

String userpass=request.getParameter("userpass");

//判断

if(username.equals("user")&&userpass.equals("")){

response.sendRedirect("1.jsp");

}else if(username.equals("admin")&&userpass.equals("")){

response.sendRedirect("2.jsp");

}else{

response.sendRedirect("index.jsp");

}

* The doPost method of the servlet. <br>

* This method is called when a form has its tag value method equals to post.

* @param request the request send by the client to the server

* @param response the response send by the server to the client

* @throws ServletException if an error occurred

* @throws IOException if an error occurred

public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

this.doGet(request, response);

}

* Initialization of the servlet. <br>

* @throws ServletException if an error occurs

public void init() throws ServletException {

// Put your code here

}

-------------

1.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. Transitional//EN">

<html>

<head>

<title>My JSP '1.jsp' starting page</title>

<!--

-->

</head>

<body>

This is 1.jsp <br>

</body>

</html>

-------------

2.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4. Transitional//EN">

<html>

<head>

<title>My JSP '1.jsp' starting page</title>

<!--

-->

</head>

<body>

This is 2.jsp <br>

</body>

</html>

【算命论坛源码】【电影无广告源码】【神兽牛牛大厅源码】jsp收银源码_java收银系统源代码

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