php实现图片上传并利用ImageMagick生成缩略图，
使用ImageMagick，您可以轻松，更快地创建缩略图，比使用PHP的容易得多。
<?php
// Location to upload main image:
$mainDir = $_SERVER['DOCUMENT_ROOT'].'/images/l/';
// Location to create the thumb image:
$smalDir = $_SERVER['DOCUMENT_ROOT'].'/images/s/';
// Command to use:
$command = '/usr/bin/convert';
// Thumbnail width:
$size = 210;
// Make sure we have an image:
if(isset($_POST['submit'])){
if(getimagesize($_FILES['photo']['tmp_name'])){
$name = $_FILES['photo']['name'];
$uploadfile = $mainDir . $name;
move_uploaded_file($_FILES['photo']['tmp_name'], $uploadfile);
$lrgImg = $mainDir . $name;
$smlImg = $smalDir . $name;
$imageMagick = $command . " '". $lrgImg . "' -resize '$size' '" . $smlImg . "'";
shell_exec($imageMagick);
}
header("Location: /test.php");
exit;
}else{
?>
<form action=" <?php echo $_SERVER['PHP_SELF']; ?> " method="post" enctype="multipart/form-data">
<p><input type="file" name="photo" /></p>
<p><input type="submit" value="Upload!" name="submit" /></p><div class="aritcle_card flexRow">
<div class="artcardd flexRow">
<a class="aritcle_card_img" href="/ai/2324" title="笔灵降AI"><img
src="https://img.php.cn/upload/ai_manual/001/246/273/175877038794046.png" alt="笔灵降AI" onerror="this.onerror='';this.src='/static/lhimages/moren/morentu.png'" ></a>
<div class="aritcle_card_info flexColumn">
<a href="/ai/2324" title="笔灵降AI">笔灵降AI</a>
<p>论文降AI神器，适配知网及维普！一键降至安全线，100%保留原文格式；无口语化问题，文风更学术，降后字数控制最佳！</p>
</div>
<a href="/ai/2324" title="笔灵降AI" class="aritcle_card_btn flexRow flexcenter"><b></b><span>下载</span> </a>
</div>
</div>
</form>
<?php
foreach(glob($smalDir.'*') as $img){
echo ' @@##@@ ';
}
}
?>希望本文所述对大家学习php程序设计有所帮助。
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