简单的PHP图片上传程序_php技巧
第一种:
php部分
if($_FILES['file']['error'] > 0){
echo '!problem:';
switch($_FILES['file']['error'])
{
case 1: echo '文件大小超过服务器限制';
break;
case 2: echo '文件太大!';
break;
case 3: echo '文件只加载了一部分!';
break;
case 4: echo '文件加载失败!';
break;
}
exit;
}
if($_FILES['file']['size'] > 1000000){
echo '文件过大!';
exit;
}
if($_FILES['file']['type']!='image/jpeg' && $_FILES['file']['type']!='image/gif'){
echo '文件不是JPG或者GIF图片!';
exit;
}
$today = date("YmdHis");
$filetype = $_FILES['file']['type'];
if($filetype == 'image/jpeg'){
$type = '.jpg';
}
if($filetype == 'image/gif'){
$type = '.gif';
}
$upfile = 'upfile/' . $today . $type;
if(is_uploaded_file($_FILES['file']['tmp_name']))
{
if(!move_uploaded_file($_FILES['file']['tmp_name'], $upfile))
{
echo '移动文件失败!';
exit;
}
}
else
{
echo 'problem!';
exit;
}
echo '
success!
';
echo '文件大小:' . $_FILES['file']['size'] . '字节' . '
';
echo '文件路径:' . $upfile;
echo '
' . '
';
$dirr = 'upfile/';
$dir = opendir($dirr);
echo $dirr . '--Listing:
- ';
- $file ";
while($file = readdir($dir)){
echo "
}
echo '
closedir($dir);
?>
第二种:
if(empty($_GET[submit]))
{
?>
}else{
$path="uploadfiles/"; //上传路径
//echo $_FILES["filename"]["type"];
if(!file_exists($path))
{
//检查是否有该文件夹,如果没有就创建,并给予最高权限
mkdir("$path", 0700);
}//END IF
//允许上传的文件格式
$tp = array("image/gif","image/pjpeg","image/png");
//检查上传文件是否在允许上传的类型
if(!in_array($_FILES["filename"]["type"],$tp))
{
echo "格式不对";
exit;
}//END IF
if($_FILES["filename"]["name"])
{
$file1=$_FILES["filename"]["name"];
$file2 = $path.time().$file1;
$flag=1;
}//END IF
if($flag) $result=move_uploaded_file($_FILES["filename"]["tmp_name"],$file2);
//特别注意这里传递给move_uploaded_file的第一个参数为上传到服务器上的临时文件
if($result)
{
//echo "上传成功!".$file2;
echo "<script>"; <BR> echo "alert(\"上传成功!\");"; <BR> echo " location='add_aaa.php?pname=$file2'"; <BR> echo "</script>";
}//END IF
}
?>

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