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• 前端之家
• PHP
• 用php实现的获取网页中的图片并保存到本地的代码

<div class="codebody" id="code85271">@H_301_2@<?PHP @H_3012@header("Content-type:image/jpeg"); @H301_2@function readurl($str) @H3012@{ @H3012@$file=fopen($str,"r"); @H3012@while(!feof($file)) @H3012@{ @H3012@$result.=fgets($file,9999); @H3012@} @H3012@fclose($file); @H301_2@return $result; } function saveimg($str) @H3012@{ @H301_2@$result=readurl($str); @H301_2@$result=strreplace("\"","",$result); @H301_2@$result=str_replace("\'",$result); preg_matchall('/<img\ssrc=(http:\/\/.?)(\s(.?)>|>)/i',$result,$matches); foreach($matches[1] as $value) @H3012@{ @H3012@echo $value."
\n"; @H3012@//GrabImage($value,$filename=""); @H3012@} @H301_2@} // $url 是远程图片的完整URL地址，不能为空。 @H_301_2@// $filename 是可选变量: 如果为空，本地文件名将基于时间和日期 @H_301_2@// 自动生成. function GrabImage($url,$filename="") { @H_301_2@if($url==""):return false;endif; $path="download/"; //指定存储文件夹 //若文件不存在,则创建; @H_301_2@if(!fileexists($path)){ @H3012@mkdir($path); @H3012@} if($filename=="") { @H3012@$ext=strrchr($url,"."); @H3012@if($ext!=".gif" && $ext!=".jpg"):return false;endif; @H3012@$filename=$path.date("dMYHis").$ext; @H301_2@} obstart(); @H3012@readfile($url); @H301_2@$img = ob_getcontents(); @H301_2@ob_endclean(); @H3012@$size = strlen($img); $fp2=@fopen($filename,"a"); @H3012@fwrite($fp2,$img); @H3012@fclose($fp2); return $filename; @H3012@} @H301_2@saveimg("//www.jb51.cc"); @H3012@?> @H301_2@