📄 del.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="error.jsp" %>
<jsp:useBean id="DBConnection" scope="page" class="com.guestbook.DBConnection"/>
<%
String id=request.getParameter("id");
Connection conn=conn=DBConnection.getConnectionToAccess(application.getRealPath("/data/guestbook.mdb"));
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
String sqlr="delete from Guestbook where id=" +id;
try{
//out.print(sql);
stmt.executeUpdate(sqlr);
response.sendRedirect("index.jsp");
}
catch(Exception e){
response.sendRedirect("error.jsp?error=2");//数据库更新出错!
}
if(conn!=null)
{
conn.close();
}
if(stmt!=null)
{
stmt.close();
}
%>
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