代码如下,这是论坛发帖的处理页面,上传文件,发帖,还有验证文件都是有时可以有时就是出现一个空白页面,也没有任何提示:
<?php
session_start();
require_once('admin/include/config.inc.php');
require_once('admin/include/mysql.class.php');
require_once('admin/isset.php');
global $web;
$db=new db();
$username=$_SESSION['member'];
$title=$_POST['title'];
$content=htmlspecialchars($content);
$file_path="";
//if(!is_array($_FILES['file1'])){
// echo '<script> alert("出现错误!请暂时停止上传。上传数组参数为空");history.back(); </script>';
// exit;
//}
$checknum=$_POST['imcode'];
if ($checknum!=$_SESSION['login_check_number'])
{
echo "<script language='javascript'>alert('验证码不正确!');history.back();</script>";
exit();
}
$content=$_POST['content'];
if($content==""){
echo "<script language='javascript'>alert('内容不能为空!');history.back();</script>";
exit();
}
if($content.length>$web['topic_content'].length){
echo "<script language='javascript'>alert('内容最大位".$web['topic_content']."'个字符!');history.back();</script>";
exit();
}if($_FILES['file1']['name']!=''&&$_FILES['file1']['name']!=null){
if($web['filetype']==''||$web['filetype']==null){
echo "<script language='javascript'>alert('不允许上传附件!');history.back();</script> ";
exit;
}
$reg=$web['filetype'];
if(!preg_match('/\.('.$reg.')$/i',$_FILES['file1']['name'],$matches)){
echo "<script language='javascript'> alert('提示!请选择一个有效的文件:允许的格式有(".$reg.")。'); history.back();</script>";
exit;
}
$MAX_SIZE=$web['maxsize']*1000; //限制上传文件大小
$upload_dir = "uploadfile/";
if($_FILES['file1']['size']>=$MAX_SIZE)
{
echo "<script language='javascript'> alert('文件太大了,最大只能上传".$web['maxsize']."KB。'); history.back();</script>";
exit();
}
$temp_name=trim($_FILES['file1']['tmp_name']);
$file_name=$_FILES['file1']['name'];
$file_name=str_replace("\\","",$file_name);
$file_name=str_replace("","",$file_name);
$file_path=$upload_dir.$username.time().$file_name;
if($result=move_uploaded_file($temp_name,$file_path))
{
echo "<script language='javascript'> alert('附件上传成功!'); </script>";
//continue;
}
else
{
echo "<script language='javascript'>alert('文件上传失败!');history.back();</script>";
exit();
}
}
$sonboard=$_GET['sonboard'];
$sql="insert into topics(sonboard,title,content,username,adddate,upload) values('$sonboard','$title','$content','$username',now(),'$file_path')";
$rs=$db->query($sql);
if ($db->affected_rows()) {
echo "<script language='javascript'>alert('发帖成功!');location.href='topic_content.php?id=".$db->insert_id()."';</script>";
$db->query("update member set topics=topics+1 where username='$username'");
$db->query("update info set topicnum=topicnum+1 ");
$db->query("update sonboard set topics=topics+1 where id='$sonboard'");
}
else {
echo "<script language='javascript'>alert('发帖失败!');history.back();</script>";
}
?>
<?php
session_start();
require_once('admin/include/config.inc.php');
require_once('admin/include/mysql.class.php');
require_once('admin/isset.php');
global $web;
$db=new db();
$username=$_SESSION['member'];
$title=$_POST['title'];
$content=htmlspecialchars($content);
$file_path="";
//if(!is_array($_FILES['file1'])){
// echo '<script> alert("出现错误!请暂时停止上传。上传数组参数为空");history.back(); </script>';
// exit;
//}
$checknum=$_POST['imcode'];
if ($checknum!=$_SESSION['login_check_number'])
{
echo "<script language='javascript'>alert('验证码不正确!');history.back();</script>";
exit();
}
$content=$_POST['content'];
if($content==""){
echo "<script language='javascript'>alert('内容不能为空!');history.back();</script>";
exit();
}
if($content.length>$web['topic_content'].length){
echo "<script language='javascript'>alert('内容最大位".$web['topic_content']."'个字符!');history.back();</script>";
exit();
}if($_FILES['file1']['name']!=''&&$_FILES['file1']['name']!=null){
if($web['filetype']==''||$web['filetype']==null){
echo "<script language='javascript'>alert('不允许上传附件!');history.back();</script> ";
exit;
}
$reg=$web['filetype'];
if(!preg_match('/\.('.$reg.')$/i',$_FILES['file1']['name'],$matches)){
echo "<script language='javascript'> alert('提示!请选择一个有效的文件:允许的格式有(".$reg.")。'); history.back();</script>";
exit;
}
$MAX_SIZE=$web['maxsize']*1000; //限制上传文件大小
$upload_dir = "uploadfile/";
if($_FILES['file1']['size']>=$MAX_SIZE)
{
echo "<script language='javascript'> alert('文件太大了,最大只能上传".$web['maxsize']."KB。'); history.back();</script>";
exit();
}
$temp_name=trim($_FILES['file1']['tmp_name']);
$file_name=$_FILES['file1']['name'];
$file_name=str_replace("\\","",$file_name);
$file_name=str_replace("","",$file_name);
$file_path=$upload_dir.$username.time().$file_name;
if($result=move_uploaded_file($temp_name,$file_path))
{
echo "<script language='javascript'> alert('附件上传成功!'); </script>";
//continue;
}
else
{
echo "<script language='javascript'>alert('文件上传失败!');history.back();</script>";
exit();
}
}
$sonboard=$_GET['sonboard'];
$sql="insert into topics(sonboard,title,content,username,adddate,upload) values('$sonboard','$title','$content','$username',now(),'$file_path')";
$rs=$db->query($sql);
if ($db->affected_rows()) {
echo "<script language='javascript'>alert('发帖成功!');location.href='topic_content.php?id=".$db->insert_id()."';</script>";
$db->query("update member set topics=topics+1 where username='$username'");
$db->query("update info set topicnum=topicnum+1 ");
$db->query("update sonboard set topics=topics+1 where id='$sonboard'");
}
else {
echo "<script language='javascript'>alert('发帖失败!');history.back();</script>";
}
?>
//在這裏做跟蹤處理:
echo $sql;die();
$rs=$db->query($sql);
查看有沒有上傳到文件
echo " <script language='javascript'> alert('提示!请选择一个有效的文件:允许的格式有(".$reg.")。'); history.back(); </script>";
exit;
}
这段返回到发帖页面,然后上传文件,就只发帖子,我的上传文件和发帖是同一个提交按钮,然后就会出现空白页面
echo " <script language='javascript'>alert('内容不能为空!');history.back(); </script>";
exit();
} if($content.length>$web['topic_content'].length){
echo "<script language='javascript'>alert('内容最大位".$web['topic_content']."'个字符!');history.back();</script>";
exit();
}
这个有问题吗,好像就是在这里