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。
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<?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>
</form>
<?php
foreach ( glob ( $smalDir . '*' ) as $img ){
echo ' <img src="' . str_replace ( $_SERVER [ 'DOCUMENT_ROOT' ], '' , $img ). '" /> ' ;
}
}
?>
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希望本文所述对大家学习php程序设计有所帮助。