📄 del.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<jsp:useBean id="connBean" class="beans.connDB" scope="page"/>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>留言删除</title>
</head>
<body>
<%
int TopicID=0;
if(request.getParameter("TopicID")==null){
response.sendRedirect("index.jsp");
}else{
TopicID=Integer.parseInt(request.getParameter("TopicID"));
if(TopicID!=0){
String sql="";
sql="Delete from tb_Topic where ID="+TopicID;
int ret=0;
ret=connBean.executeUpdate(sql);
if (ret!=0){
out.println("<script language='javascript'>alert('留言信息删除成功！');window.location.href='index.jsp';</script>");
}else{
out.println("<script language='javascript'>alert('留言信息删除失败！');window.location.href='index.jsp';</script>");
}
}
}
%>
</body>
</html>
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