search
Homephp教程php手册一个完整的PHP图片上传,生成缩略图,插入数据库代码流程

一个完整的PHP图片上传,生成缩略图,插入数据库代码流程

Jun 13, 2016 am 10:39 AM
phpuploadundercodepicturewholeinsertdatabaseyesprocessgenerateofwrite

下面是PHP编写上传图片同时生成缩略图和插入数据库的一个完代码。
$title = $_POST[title];
$descrīption = $_POST[descrīption];
$albumID = $_POST[albumID];
$iscommend = $_POST[iscommend];
$isvisible = $_POST[isvisible];
$uploadtime = date("Y-m-d H:i:s");
$MAX_FILE_SIZE = floor($_POST[MAX_FILE_SIZE] / 1024);

$FileExtName = strtolower(pathinfo($_FILES[url][name],PATHINFO_EXTENSION));
if(!(($FileExtName == gif) or ($FileExtName == jpg) or ($FileExtName == jpeg) or ($FileExtName == png))){
    echo "";
echo " alert(您上传的文件类型不对,本系统仅支持PNG,JPG,GIF三种格式。);";
echo " location=../uploadpicture.php?albumID=$albumID;";
echo "
īpt>";
exit;
}
$Filename = date("YmdHis").substr(microtime(),2,5)...$FileExtName;
$PictureDir = substr(pathinfo($_SERVER[scrīpt_FILENAME],PATHINFO_DIRNAME),0,strlen(pathinfo($_SERVER[scrīpt_FILENAME],PATHINFO_DIRNAME))-8);
$UploadURL = $PictureDir./.$PictureFolder.$Filename;
$ThumbsURL = $PictureDir./.$ThumbsFolder.$Filename;
if (!move_uploaded_file($_FILES[url][tmp_name], $UploadURL)){
    echo "";
echo " alert(上传失败,图片大小不能超过 $MAX_FILE_SIZE KB。);";
echo " location=../uploadpicture.php?albumID=$albumID;";
echo "
īpt>";
exit;
}
list($RealWidth, $RealHeight) = getimagesize($UploadURL);
if($RealWidth $percent = 1;
} else {
$percent = $MaxThumbWidth / $RealWidth;
}
$NewWidth = $RealWidth * $percent;
$NewHeight = $RealHeight * $percent;
$thumb = imagecreatetruecolor($NewWidth, $NewHeight);
list($width, $height, $PictureType, $attrib) = getimagesize($UploadURL);
switch($PictureType)
{
   case "1": $source = imagecreatefromgif($UploadURL); break;
   case "2": $source = imagecreatefromjpeg($UploadURL); break;
   case "3": $source = imagecreatefrompng($UploadURL); break;
}
imagecopyresized($thumb, $source, 0, 0, 0, 0, $NewWidth, $NewHeight, $RealWidth, $RealHeight);
switch($PictureType)
{
   case "1": imagegif($thumb, $ThumbsURL); break;
   case "2": imagejpeg($thumb, $ThumbsURL); break;
   case "3": imagepng($thumb, $ThumbsURL); break;
}

$newpicture_SQL = "INSERT INTO pictures (flag,title,url,descrīption,uploadtime,updatetime,isvisible,iscommend) VALUES ($albumID,$title,$Filename,$descrīption,$uploadtime,$uploadtime,$isvisible,$iscommend);";
$setCover = "Update pictures SET url = $Filename WHERE id = $albumID;";
$totalPictures_SQL = "SELECT * FROM pictures WHERE flag = $albumID;";
$totalPictures = mysql_query($totalPictures_SQL, $hesweb) or die(mysql_error());
$totalRows_totalPictures = mysql_num_rows($totalPictures);
$newpicture = mysql_query($newpicture_SQL, $hesweb) or die(mysql_error());
$pictureID = mysql_insert_id($hesweb);
$coverFlag = "UPDATE pictures SET iscover = 1 WHERE id = $pictureID;";
if($totalRows_totalPictures      $cover = mysql_query($setCover, $hesweb) or die(mysql_error());
$flag = mysql_query($coverFlag, $hesweb) or die(mysql_error());
}
if($coverFlag){
    echo "";
echo " alert(上传成功。);";
echo " location=../uploadpicture.php?albumID=$albumID;";
echo "
īpt>";
}
?>

看啦上面的代码希望大家能有所收获。

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.