stfb_reg.php

实现考试管理系统

<?php 
ob_start();
session_start();
if ($_SESSION['flag']!=1) 
{
die("<div align=center>请先<a href=login.php><font color=blue>-- 登录 --</font></a></div>");
}
include "conn.php";
include "msg.php";
$content=trim($_POST["text2"]);
$select=$_POST["answer"];
$data=$_POST["text3"];
$_SESSION["test"]=$content;
if(strlen($content)<=0)
{
msg("请输入试题内容！","stfb.php");
break;
}
if(strlen($select)<=0)
{
msg("请输入试题答案！","stfb.php");
break;
}
$str="select * from stgl where title='" .$content. "'";
$result=mysql_query($str);
$a=mysql_num_rows($result);
if ($a==1)
{ 
msg("发布试题与已有试题重名,请重新输入!","stfb.php");
break;
}
else
{
//写入数据库
//SET NAMES 'utf8';
$str="insert into stgl(stid,title,selectC,date) values('','$content','$select','$data')";
$result=mysql_query($str) or die ("插入数据失败！".mysql_error());
//$_SESSION['username']="";
$_SESSION['test']="";
msg("发布成功!","stfb.php");
}
mysql_free_result($result);
mysql_close($link);
?>