手机WAP编程

开发平台：

Java

picringnext.jsp：源码内容

							<%@ page contentType="text/vnd.wap.wml" language="java" import="java.sql.*"%>
<?xml version="1.0" encoding="gb2312"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
	<head>
	<meta forua="true" http-equiv="Cache-Control" content="max-age=0;charset=gb2312"/>
	</head>
	<card id ="picring" title="picring">
<p>
<b>请选择相应型号</b><br/>
<do type="prev" name="Prev" label="Back"><prev/></do>
<%Class.forName("org.gjt.mm.mysql.Driver").newInstance();
    String url ="jdbc:mysql://localhost/picring?user=nangua&password=2003herald&useUnicode=true&characterEncoding=8859_1";
    Connection con= DriverManager.getConnection(url);
    Statement statement=con.createStatement();
    String temp=request.getParameter("big");
    ResultSet rs=statement.executeQuery("select flag from bigclass where id="+temp);
    if(rs.next()){%><%=rs.getString("flag")%><br/><%}rs.close();
    rs=statement.executeQuery("select id,classname from smallclass where parentid="+temp);
    int i=0;
    while(rs.next()){i=1;
%>
<%String code=rs.getString("id");%>
<a href="picringlast.jsp?big=<%=temp%>&amp;small=<%=code%>"><%=rs.getString("classname")%></a><br/>
<%}rs.close();%>
<%if(i==0){String paget="picringlast.jsp?big="+temp;response.sendRedirect(paget);}%>
<br/><a href="http://herald.seu.edu.cn/ewap/index.wml">返回主页</a><br/>
</p>
</card>
</wml>

						