JavaEE实验报告

中南民族大学

学生实验报告

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第二篇：JAVAEE实验报告(sss)

源代码：

1、登录界面：login.jsp

<%@page contentType="text/html" pageEncoding="gb2312"%>

<html>

<head>

<title>购物车登陆窗口</title>

</head>

<h1 align="center"><br> </h1><h1 align="center"><b>欢迎登陆购物车</b></h1>

</div></td>

</tr>

</div></td>

</tr>

</table>

</p>

</form>

</body>

</html>

2、数据库验证界面 checkUsername.jsp

<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>

<%@page import="java.sql.SQLException"%>

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

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

java.sql.Connection conn=null;

java.sql.ResultSet sqlRst;

Class.forName("org.gjt.mm.mysql.Driver").newInstance();

conn= java.sql.DriverManager.getConnection("jdbc:mysql://localhost:3306/shopping","root","654869");

java.sql.Statement stmt=conn.createStatement();

if((Name!=null&&Name.length()!=0)&&(Password!=null&&Password.length()!=0))

{

String sqlstr="select* from login where(username='"+Name+"'and password='"+Password+"')";

sqlRst=stmt.executeQuery(sqlstr);

if(sqlRst.next())

{

response.sendRedirect("successlogin.jsp");

}

else

{

out.println("密码错误");

response.sendRedirect("login.jsp");

}

else

{

System.out.println("用户密码不能为空");

response.sendRedirect("login.jsp");

}

3、成功登录界面：successlogin.jsp

<%@ page contentType="text/html;charset=gb2312" %>

<HTML>

<HEAD>

<TITLE>简单购物车</TITLE>

</HEAD>

<BODY>

<tr>

<H1>欢迎来到水果店购物</H1></td></tr>

</TABLE><HR>

<TR>

</TR>

<TR>

</TR>

<TR>

</TR>

</TABLE><HR>

</p>

</FORM>

</BODY>

</HTML>

4、结算界面log.jsp

<%@page contentType="text/html" pageEncoding="gb2312"%>

<!DOCTYPE html>

<html>

<head>

</head>

<body>

<%request.setCharacterEncoding("gb2312");%>

<jsp:useBean id="add1" scope="page" class="com.jsp.add"/>

<jsp:setProperty name="add1" property="appleSum" param="apple_amount"/>

<jsp:setProperty name="add1" property="bananaSum" param="banana_amount"/>

<jsp:setProperty name="add1" property="grapeSum" param="grape_amount"/>

<h2>您的购物信息：</h2>

<br>

<br>

<br>

<br>

</center>

</body>

</html>

5、Add类

package com.jsp;

public class add {

private float applePrice,appleSum;

private float bananaPrice,bananaSum;

private float grapePrice,grapeSum;

private float total;

public add(){

applePrice=(float)5.0;;

appleSum=0;

bananaPrice=(float) 2.5;;

bananaSum=0;

grapePrice=(float) 1.0;

grapeSum=0;

total=0;

}

public float getApplePrice() {

return applePrice;

}

public void setApplePrice(float applePrice) {

this.applePrice = applePrice;

}

public float getAppleSum() {

return appleSum;

}

public void setAppleSum(float appleSum) {

this.appleSum = appleSum;

}

public float getBananaPrice() {

return bananaPrice;

}

public void setBananaPrice(float bananaPrice) {

this.bananaPrice = bananaPrice;

}

public float getBananaSum() {

return bananaSum;

}

public void setBananaSum(float bananaSum) {

this.bananaSum = bananaSum;

}

public float getGrapePrice() {

return grapePrice;

}

public void setGrapePrice(float grapePrice) {

this.grapePrice = grapePrice;

}

public float getGrapeSum() {

return grapeSum;

}

public void setgrapeSum(float grapeSum) {

this.grapeSum = grapeSum;

}

public float getTotal() {

setTotal(applePrice*appleSum+bananaPrice*bananaSum+grapePrice*grapeSum);

return total;

}

public void setTotal(float total) {

this.total = total;

}

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