📄 car.jsp
字号:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>购物车</title>
</head>
<body>
<% request.setCharacterEncoding("gbk");
String m;
m=request.getParameter("Submit").toString();
if(m.equals("加入购物车"))
{
if(request.getParameter("select").equals("1"))
session.setAttribute("1","true");
else if(request.getParameter("select").equals("2"))
session.setAttribute("2","true");
else if(request.getParameter("select").equals("3"))
session.setAttribute("3","true");
else if(request.getParameter("select").equals("4"))
session.setAttribute("4","true");
}else if(m.equals("删除"))
{
if(request.getParameter("select").equals("1"))
session.setAttribute("1","");
else if(request.getParameter("select").equals("2"))
session.setAttribute("2","");
else if(request.getParameter("select").equals("3"))
session.setAttribute("3","");
else if(request.getParameter("select").equals("4"))
session.setAttribute("4","");
}
%>
<form id="form1" name="form1" method="post" action="buy.jsp">
<table width="358" height="101" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<th width="97">图书名</th>
<th width="63">作者</th>
<th width="99">出版社</th>
<th width="99">价格</th>
</tr>
<%
String s1;
String s2;
String s3;
String s4;
s1="";
s2="";
s3="";
s4="";
if(session.getAttribute("1")!=null)
s1=session.getAttribute("1").toString();
if(session.getAttribute("2")!=null)
s2=session.getAttribute("2").toString();
if(session.getAttribute("3")!=null)
s3=session.getAttribute("3").toString();
if(session.getAttribute("4")!=null)
s4=session.getAttribute("4").toString();
%>
<% if(s1.equals("true")){
%>
<tr>
<td><%out.println("图书一");%></td>
<td><%out.println("作者一");%></td>
<td><%out.println("出版社一");%></td>
<td><%out.println("38.0");%></td>
</tr>
<%}%>
<%if(s2.equals("true")){
%>
<tr>
<td><%out.println("图书二");%></td>
<td><%out.println("作者二");%></td>
<td><%out.println("出版社二");%></td>
<td><%out.println("45.0");%></td>
</tr>
<%}%>
<%if(s3.equals("true")){
%>
<tr>
<td><%out.println("图书三");%></td>
<td><%out.println("作者三");%></td>
<td><%out.println("出版社三");%></td>
<td><%out.println("50.0");%></td>
</tr>
<%}%>
<%if(s4.equals("true")){
%>
<tr>
<td><%out.println("图书四");%></td>
<td><%out.println("作者四");%></td>
<td><%out.println("出版社四");%></td>
<td><%out.println("85.0");%></td>
</tr>
<%}
%>
<tr>
<td colspan="4" align="center"><input type="submit" name="Submit2" value="继续添加" /></td>
</tr>
</table>
</form>
<form id="form2" name="form2" method="post" action="delete.jsp">
<table width="200" border="0" align="center">
<tr>
<td align="center"><label>
<input type="submit" name="Submit" value="删除" />
</label></td>
</tr>
</table>
</form>
<form id="form3" name="form3" method="post" action="pay.jsp">
<label></label>
<table width="200" border="0" align="center">
<tr>
<td align="center"><label>
<input type="submit" name="Submit3" value="付款" />
</label></td>
</tr>
</table>
</form>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -