我有跟踪脚本,上传图片和缩略图到目录,并将img名称(img和thumb)存储到数据库。
我最初在Google上的某个地方发现了这个脚本,但是,但是现在我需要能够上传多个图像...它可以正常处理一个图像。
<?php
//error_reporting(0);
$change="";
$abc="";
define ("MAX_SIZE","400");
function getExtension($str) {
$i = strrpos($str,".");
if (!$i) { return ""; }
$l = strlen($str) - $i;
$ext = substr($str,$i+1,$l);
return $ext;
}
$errors=0;
if($_SERVER["REQUEST_METHOD"] == "POST")
{
$image =$_FILES["file"]["name"];
$uploadedfile = $_FILES['file']['tmp_name'];
if ($image)
{
$filename = stripslashes($_FILES['file']['name']);
$extension = getExtension($filename);
$extension = strtolower($extension);
if (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png") && ($extension != "gif"))
{
$change='<div class="msgdiv">Unknown Image extension </div> ';
$errors=1;
}
else
{
$size=filesize($_FILES['file']['tmp_name']);
if ($size > MAX_SIZE*1024)
{
$change='<div class="msgdiv">You have exceeded the size limit!</div> ';
$errors=1;
}
if($extension=="jpg" || $extension=="jpeg" )
{
$uploadedfile = $_FILES['file']['tmp_name'];
$src = imagecreatefromjpeg($uploadedfile);
}
else if($extension=="png")
{
$uploadedfile = $_FILES['file']['tmp_name'];
$src = imagecreatefrompng($uploadedfile);
}
else
{
$src = imagecreatefromgif($uploadedfile);
}
echo $scr;
list($width,$height)=getimagesize($uploadedfile);
$newwidth=60;
$newheight=($height/$width)*$newwidth;
$tmp=imagecreatetruecolor($newwidth,$newheight);
$newwidth1=25;
$newheight1=($height/$width)*$newwidth1;
$tmp1=imagecreatetruecolor($newwidth1,$newheight1);
imagecopyresampled($tmp,$src,0,0,0,0,$newwidth,$newheight,$width,$height);
imagecopyresampled($tmp1,$src,0,0,0,0,$newwidth1,$newheight1,$width,$height);
$filename = "images/". $_FILES['file']['name'];
$filename1 = "images/small". $_FILES['file']['name'];
imagejpeg($tmp,$filename,100);
imagejpeg($tmp1,$filename1,100);
imagedestroy($src);
imagedestroy($tmp);
imagedestroy($tmp1);
}}
}
//If no errors registred, print the success message
if(isset($_POST['Submit']) && !$errors)
{
mysql_query("INSERT INTO `imgs` (`id` ,`user_id` ,`img_name`) VALUES (NULL , '$userID', 'img1.jpg');");
$change=' <div class="msgdiv">Image Uploaded Successfully!</div>';
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en"><head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<meta content="en-us" http-equiv="Content-Language">
</head><body>
<?php echo $change; ?>
<div id="posts">
<form method="post" action="" enctype="multipart/form-data" name="form1">
<input size="25" name="file" type="file" style="font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10pt" class="box"/>
<input type="submit" id="mybut" value="Upload" name="Submit"/>
</form>
</div>
</body></html>
对于多个图像我知道我可以将html部分更改为foreach循环,例如:
<form method="post" action="" enctype="multipart/form-data" name="form1">
<?php
$allow_upload = 10;
for($i=0; $i<$allow_upload; $i++) {
echo '<input size="25" name="file[]" type="file" style="font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10pt" class="box"/>';
}
?>
<input type="submit" id="mybut" value="Upload" name="Submit"/>
</form>
但是我还没有能够计算出如何以及在何处放置一个foreach循环,并使其余部分适应多个图像。
我的数据库设置会像id,userID,big img,small img。 任何帮助将不胜感激,我准备开始拉我的头发!!
答案 0 :(得分:0)
如果你想循环多个文件输入元素,那么除非每个输入元素都有不同的名称,否则你需要告诉它它是一个数组。
for($i=0; $i<$allow_upload; $i++) {
echo '<input size="25" name="file[]" type="file"'/>;
}
如果要从一个输入元素中选择多个文件,则
<input name="filesToUpload[]" type="file" multiple/>
答案 1 :(得分:0)
您可以使用单个输入文件并将所有文件保存在数组中,而不是使用多个输入文件,并使用foreach将每个文件保存到文件夹。
<?php
if($_SERVER["REQUEST_METHOD"] == "POST") {
foreach($_FILES['allimages'] as $files) {
var_dump($files);
}
}
?>
<form id="fileupload" enctype="multipart/form-data" method="post">
<input type="file" name="allimages[]" id="allimages" multiple><!--Use CTRL key to upload multiple images -->
<input type="submit" name="submit" id="submit">
</form>
你需要按住cntrl键上传多个文件。