1，上传页面 i.php
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script type="text/javascript">
function startUpload() {
// document.getElementById('processing').innerHTML = 'loding...';
return true;
}
function stopUpload(rel){
var rel = eval('(' + rel + ')');
document.getElementById('processing').innerHTML = document.getElementById('processing').innerHTML + '<img src="http://www.my.com/'+rel.thumbMap+'" alt="">';
}
</script>
</head>
<body style="font-size:12px;">
<div id="processing"></div>
<form action="upload.php" method="post" enctype="multipart/form-data" onsubmit="startUpload();" target="form-target" name="form1">
本地图片：<input type="file" name="file"><br>
远程图片：<input type="text" name="url"><br>
<input type="submit" name="Submit" value="提交">
<input name="scan" type="hidden" id="up" value="true">
</form>
<iframe style="width:0; height:0; border:0;" name="form-target"></iframe>
<b /><br/>
</body>
</html>
2. 上传类及操作上传文件 upload.php
<?php
class ieb_upload
{
public $FormName; //文件域名称
public $Directroy; //上传至目录
public $MaxSize; //最大上传大小
public $CanUpload = true; //是否可以上传
public $doUpFile = ''; //上传的文件名
public $sm_File = ''; //缩略图名称
public $Error = 0; //错误参数
// 初始化(1024*2)*1024=2097152 就是 2M
public function ieb_upload($FormName = '', $dirPath = '', $maxSize = 2097152) {
// 初始化各种参数
$this->FormName = $FormName;
$this->MaxSize = $maxSize;
if ($this->FormName == '') {
$this->CanUpload = false;
$this->Error = 1;
return;
}
$this->Directroy = $dirPath."/";
}
//获取远程图片
public function GrabImage($url) {
if($url=="") return false;
$ext=strrchr($url,".");
if($ext!=".gif" && $ext!=".jpg" && $ext!=".png") { return false; }
//echo $filename=date("YmdHis").$ext;
$fileName = $this->Directroy.$this->newName().$ext; //主图地址
$this->createDir(dirname($fileName));
ob_start();
readfile($url);
$img = ob_get_contents();
ob_end_clean();
$size = strlen($img);
$fp2 = @fopen($fileName, "a");
fwrite($fp2,$img);
fclose($fp2);
$this->doUpFile = $fileName;
chmod($this->sm_File.$fileName, 0777);
return true;
}
// 上传文件
public function upload() {
if ($this->CanUpload) {
if ($_FILES[$this->FormName]['size'] == 0) {
$this->Error = 3;
$this->CanUpload = false;
return $this->Error;
break;
}
$fileName =$this->Directroy.$this->newName().".".$this->getExt(); //主图地址
$this->createDir(dirname($fileName));
$doUpload = @copy($_FILES[$this->FormName]['tmp_name'], $fileName);
if ($doUpload) {
$this->doUpFile = $fileName;
chmod($this->sm_File.$fileName, 0777);
return true;
} else {
$this->Error = 4;
return $this->Error;
}
}
}
// 创建图片缩略图
public function thumb($dscChar = '', $width = 150, $height = 150) {
if ($this->CanUpload && $this->doUpFile != '') {
if ($dscChar == '')
$dscChar = 'sm_';
$data = getimagesize($this->doUpFile, $info);
switch ($data[2]) {
case 1:
$this->sm_File = $this->doUpFile.$dscChar.".gif";
$im = @imagecreatefromgif($this->doUpFile);
break;
case 2:
$this->sm_File = $this->doUpFile.$dscChar.".jpg";
$im = @imagecreatefromjpeg($this->doUpFile);
break;
case 3:
$this->sm_File = $this->doUpFile.$dscChar.".png";
$im = @imagecreatefrompng($this->doUpFile);
break;
}
$srcW = imagesx($im);
$srcH = imagesy($im);
$ni = imagecreatetruecolor($width, $height);
imagecopyresized($ni, $im, 0, 0, 0, 0, $width, $height, $srcW, $srcH);
$cr = imagejpeg($ni, $this->sm_File);
chmod($this->sm_File, 0777);
if ($cr) {
return true;
} else {
$this->Error = 5;
return $this->Error;
}
}
}
// 检查文件是否存在
public function scanFile() {
if ($this->CanUpload) {
$scan = is_readable($_FILES[$this->FormName]['name']);
if ($scan)
$this->Error = 2;
return $scan;
}
}
// 获取文件大小
public function getSize($format = 'B') {
if ($this->CanUpload) {
if ($_FILES[$this->FormName]['size'] == 0) {
$this->Error = 3;
$this->CanUpload = false;
}
switch ($format) {
case 'B':return $_FILES[$this->FormName]['size'];break;
case 'K':return ($_FILES[$this->FormName]['size']) / (1024);break;
case 'M':return ($_FILES[$this->FormName]['size']) / (1024 * 1024);break;
}
}
}
// 获取文件类型
public function getExt() {
if ($this->CanUpload){
$ext = $_FILES[$this->FormName]['name'];
$extStr = explode('.', $ext);
$count = count($extStr)-1;
return $extStr[$count];
}
}
// 获取文件名称
public function getName() {
if ($this->CanUpload)
return $_FILES[$this->FormName]['name'];
}
//创建文件夹
public function createDir($path){
if (!file_exists($path)){
$this->createDir(dirname($path));
mkdir($path, 0777);
}
}
// 新建文件名
public function newName() {
if ($this->CanUpload) {
//$FullName = $_FILES[$this->FormName]['name'];
//$extStr = explode('.', $FullName);
//$count = count($extStr)-1;
//$ext = $extStr[$count];
//return date('YmdHis').rand(0, 9).'.'.$ext;
return date('YmdHis').rand(0, 9);
}
}
// 显示错误参数
public function Err() {
return $this->Error;
}
// 上传后的文件名
public function UpFile() {
if ($this->doUpFile != '')
return $this->doUpFile;
else
$this->Error = 16;
}
// 上传文件的路径
public function filePath() {
if ($this->doUpFile != '')
return $this->sm_File.$this->doUpFile;
else
$this->Error = 26;
}
// 缩略图文件名称
public function thumbMap() {
if ($this->sm_File != '')
return $this->sm_File;
else
$this->Error = 36;
}
// 显示版本信息
public function ieb_version() {
return 'IEB_UPLOAD CLASS Ver 1.1';
}
}
if (isset($_REQUEST['scan']))
{
// 声明一个上传类
$upfos = new ieb_upload('file','open1/33');
//远程图片
if($_REQUEST['url']){
$upfos->GrabImage($_REQUEST['url']);
}else{
$upfos->upload();//上传主图
}
$upfos->thumb(); //生成缩略图
//返回数组
$re['name'] = $upfos->getName();//文件名
$re['ext'] = $upfos->getExt(); //扩展名
$re['size'] = $upfos->getSize(); //扩展名
$re['newName'] = $upfos->UpFile(); //新文件名
$re['filePath'] = $upfos->filePath(); //文件路径
$re['thumbMap'] = $upfos->thumbMap(); //文件路径
}
?>
<script type="text/javascript">
var re = '<?php echo json_encode($re); ?>';
window.top.window.stopUpload(re);
</script>
需要用的，自己可以拿去封装
效果：
