📄 l_messagesave.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*,java.io.*" errorPage="errorpage.jsp" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>留言</title>
</head>
<body>
<%
Connection con=null;
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection("jdbc:odbc:zn","","");
Statement stmt=con.createStatement();
String sql="";
ResultSet rs =null;
String mc=new String(request.getParameter("mc").getBytes("iso8859_1"),"gbk");
String email=new String(request.getParameter("email"));
String bt=new String(request.getParameter("bt").getBytes("iso8859_1"),"gbk");
String nr=new String(request.getParameter("nr").getBytes("iso8859_1"),"gbk");
sql="select mc from message where mc='"+mc+"'";
rs=stmt.executeQuery(sql);
if(rs.getRow()>0){
response.sendRedirect("errorpage.jsp");
}
sql="insert into message(mc,email,bt,nr)";
sql=sql+"values('"+mc+"','"+email+"','"+bt+"','"+nr+"')";
stmt.executeUpdate(sql);
out.println("<font size=3 color=#3366FF>正在处理数据，请稍候……</font>");
%>
<meta http-equiv="refresh" content="2;url=success.jsp">
<%
}catch(Exception e){
out.println(e.getMessage());
}
%>
</body>
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