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library_manage_system/WebContent/reader/14messageSub.jsp

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<%@ page import="java.sql.*" %>
<%@ page import="java.util.*" %>
<%@ page import="javabean.DateTime"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title></title>
<!-- Bootstrap -->
<link href="../css/bootstrap.min.css" rel="stylesheet">
<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery所以必须放在前边) -->
<script src="../js/jquery.min.js"></script>
<script src="../js/bootstrap.min.js"></script>
<link rel="stylesheet" id="templatecss" type="text/css"
href="../public/css/message.css">
</head>
<body>
<jsp:useBean id="msg" scope="session" class="javabean.JDBCBean"></jsp:useBean>
<%
DateTime date=new DateTime();
//out.println(date.show());
String time = date.show();
String mes = request.getParameter("msg");
try{
String card = session.getAttribute("reader").toString();
String sql = "insert into message(card_id,detail,public_date)values('" + card + "','" + mes + "','" + time + "');";
if (card!=null&&mes!=null&& !mes.trim().equals("")) {
int i = msg.executeUpdate(sql);
if (i == 1) {
%>
<script>
alert('留言成功!');
window.location.href = "13message.jsp";
</script>
<%
}
else {
%>
<script>
alert('留言未成功!');
window.location.href = "13message.jsp";
</script>
<%
}
} else {
%>
<script>
alert('留言未成功!');
window.location.href = "13message.jsp";
</script>
<%
}
%>
<%
}catch(Exception e){
%>
<script>
alert('留言未成功!请先登录!');
window.location.href = "13message.jsp";
</script>
<%
}
%>
</body>
</html>