php程式碼如下:
複製程式碼 程式碼如下:
header("Content-type:text/html ; charset=utf-8");
if (!empty($_POST['submit'])) {
$url = $_POST['url'];
//為了取得相對路徑的圖片所做的操作
$url_fields = parse_url($url);
$main_url = $url_fields['host'];
$ base_url = substr($url,0,strrpos($url, '/')+1);
//取得網頁內容
//設定代理伺服器
$opts = array('http'=>array('request_fulluri' =>true));
$context = stream_context_create($opts);
$content = file_get_contents($url,false,$context);
//符合字串$content,將所有符合字串儲存到陣列$mat reg = "//i";
preg_match_all($reg, $content, $matches);
$count = count($matches[0] );
for ($i=0; $i/*將所有圖片的url轉換為小寫
*$matches[1][$i] = strtolower($matches[1] [$i]);
*/
//若圖片轉換為相對路徑就轉換成全路徑
if (!strpos('a'.$matches[1][$i], 'http')){
/ /因為'/'是第0個位置
if (strpos('a'.$matches[1][$i], '/')){
$matches[1][$i] = 'http:/ /'.$main_url.$matches[1][$i];
}else{
$matches[1][$i] = $base_url.$matches[1][$i];
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
//過濾重複的圖片
$img_arr = array_unique($matches[1]);
//實例化圖片下載類別
$getImg = new DownImage();
$url_count = count($img_arr
); $i=0; $i$getImg->source = $img_arr[$i];
$getImg->save_address = './pic/';
$file = $getImg- >download();
}
echo "下載完成!哈哈,簡單吧! ";
}
class DownImage{
public $source;//遠端圖片URL
public $save_address;//儲存本地位址
public $set_extension; //設定圖片! 0~100,100最佳,預設75左右)
//下載方法(選用GD庫圖片下載)
public function download(){
//取得遠端圖片資訊
$info = @getimagesize($this->source);
//取得圖片副檔名
$mime = $info['mime'];
$type = substr(strrchr($mime, '/'), 1);
//不同的圖片類型選擇不同的圖片產生且儲存函數
switch($type){
case 'jpeg':
$img_create_func = 'imagecreatefromjpeg';
$img_save_func = 'imagejpeg';
; quality) ? $this->quality : 100;
break;
case 'png':
$img_create_func = 'imagecreatefrompng';
$img_save_func = 'imagecreatefrompng';
case ' bmp':
$img_create_func = 'imagecreatefrombmp';
$img_save_func = 'imagebmp';
$new_img_ext = 'bmp';
breakf5;
$img_save_func = 'imagegif ';
$new_img_ext = 'gif';
break;
case 'vnd.wap.wbmp':
$img_create_func = 'imagecreatefromwbmp';
break;
case 'xbm':
$img_create_func = 'imagecreatefromxbm';
$img_save_func = 'imagexbm';
$new_img_ext = 'xbm'break ); fromjpeg';
$img_save_func = 'imagejpeg ';
$new_img_ext = 'jpg';
}
//根據是否設定副檔名
if (isset($this->set_extension)){
$ext = strrchr($this->source, ".");
$strlen = strlen($ext);
$newname = basename(substr($this->source,0,-$strlen)).'.'.$new_img_ext;
}else{
$ newname = basename($this->source);
}
//產生本機檔案路徑
$save_address = $this->save_address.$newname;
$img = @$img_create_func(this->); if (isset($image_quality)){
$save_img = @$img_save_func($img,$save_address,$image_quality);
}else{
$save_img = @$img_s_op $save_img;
}
} 🎜?>