📄 login.jsp
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<%@ page language="java" import="java.sql.*">
<jsp:useBean id="RegisterBean" scope="page" class="opendb.opendb" />
<%
String name1=request.getParameter("username");
String pwd1=request.getParameter("password");
String sql="select * from userinfo where username='"+name1+"' and password='"+pwd1+"'";
ResultSet rs=LoginBean.executeQuery(sql);
if (rs.next())
{
rs.close();
session.putValue("username",name1);
%>
<script language=javascript>
window.location="info.jap?str=登录成功"
</script>
<%
}
else
{
rs.close();
session.putvalue("login_message","Error on Login!");
%>
<script language=javascript>
window.location="info.jsp?str=登录失败"
</script>
<%
}
%>
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