最近由于抓了网站的图片做demo，都太大了。
<style type="text/css">
*{font:12px verdana;}
</style>
<pre>
<?php
require_once("../include/echo.php");
foreach ($_POST as $k=>$v) {
$$k = $v;
}
if ($checked==1) {
$info = getimagesize ( $srcPicPath);
//pr($info);
$actualWidth = $info[0];
$height = $info[1]-$y;
$imgsrc = ImageCreateFromPng($srcPicPath);
$imgdest = imagecreatetruecolor($width, $height);
imagecopy ( $imgdest, $imgsrc, 0, 0, $x, $y, $width, $height);
imagepng($imgdest,$destPicPath);
}
//resize_jpg("picture.jpg",200,200);
?>
<form name="adminForm" action="?" method="post" onsubmit="return checkForm();">
x : <input type="text" name="x" value="133" size="40" />
y : <input type="text" name="y" value="113" size="40" />
width : <input type="text" name="width" value="748" size="40" />
height : <input type="text" name="height" value="0" size="40" />
srcPicPath : <input type="text" name="srcPicPath" value="D:\docs\mypictures\p.cnnavi.com\Snap3.png" size="80" />
destPicPath : <input type="text" name="destPicPath" value="D:\docs\mypictures\p.cnnavi.com\out.png" size="80" />
<input type="hidden" name="checked" value="1" />
<input type="submit" value="submit" />
</form>
<script language="javascript" type="text/javascript">
<!--
function checkForm(){
var form = document.adminForm;
if(form.x.value ==""){
alert("x is empty");
form.x.focus();
return false;
}
else if(form.y.value ==""){
alert("y is empty");
form.y.focus();
return false;
}
else if(form.width.value ==""){
alert("width is empty");
form.width.focus();
return false;
}
else if(form.height.value ==""){
alert("height is empty");
form.height.focus();
return false;
}
else if(form.srcPicPath.value ==""){
alert("srcPicPath is empty");
form.srcPicPath.focus();
return false;
}
else if(form.destPicPath.value ==""){
alert("destPicPath is empty");
form.destPicPath.focus();
return false;
}
}// /func
//-->
</script>
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