📄 login.jsp
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<%@ page contentType="text/html;charset=gb2312" import="java.sql.*" %>
<%
Connection conn=null;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String strConn="jdbc:odbc:sun";
conn=DriverManager.getConnection(strConn,"","");
Statement stmt=conn.createStatement();
String name=request.getParameter("name");
String pass=request.getParameter("pass");
ResultSet rs=stmt.executeQuery("SELECT * FROM login where loginname='"+name+"' and loginpass='"+pass+"'");
if(rs.next())
{
%>
<jsp:forward page="book.jsp"/>
<%
}
out.println("<script lanaguage='javascript'>alert('用户名或密码错误!请重新输入');window.location.href='login.html';</script>");
rs.close();
stmt.close();
conn.close();
%>
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