php curl,爬虫
1 <?php 2 3 class grabInfo{ 4 public $content; 5 /*Init 初始化 */ 6 public function __construct($url){ 7 $this->ch=curl_init(); 8 curl_setopt($this->ch,CURLOPT_URL,$url); 9 curl_setopt($this->ch, CURLOPT_RETURNTRANSFER,1); 10 curl_setopt($this->ch,CURL_HEADER,1); 11 } 12 /*get Image Information 保存图片,*/ 13 protected function _getImgInfo(){ 14 $flagImg='/<\s*img\s+[^>]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i'; 15 preg_match_all($flagImg,$this->content,$imgArr); 16 $imgInfo=getimagesize($imgArr[2][0]); 17 $fpath=$imgArr[2][0]; 18 $this->_getPath($fpath); 19 $imgCreate=str_replace('/', 'createfrom', $imgInfo['mime']); 20 imagepng($img,$fpath.$imgArr[2][0]); 21 } 22 /*create Folder path 创建图片存在路径*/ 23 protected function _getPath($fpath='a/b.jpg'){ 24 $fpath=str_replace('\\','/',$fpath); 25 $fpath=substr($fpath, 0,strrpos($fpath, '/')); 26 $fpathArr=explode('/', $fpath); 27 foreach ($fpathArr as $key => $value) { 28 $folderPath.=$value.'/'; 29 if(!file_exists($value)){ 30 mkdir($folderPath); 31 chmod($folderPath,0777); 32 } 33 } 34 } 35 /*save fileString to file爬虫页面的内容保存到本地*/ 36 protected function _getString(){ 37 $filePath='myGrab.php'; 38 $handle=fopen($filePath,'w+'); 39 fwrite($handle, $this->content); 40 fclose($handle); 41 42 } 43 /*all operation用户调用的*/ 44 public function curlExec(){ 45 $this->content=curl_exec($this->ch); 46 $this->_getString(); 47 $this->_getImgInfo(); 48 } 49 } 50 51 $grabObj=new grabInfo('127.0.0.1/test.php'); 52 $grabObj->curlExec();
这是我自己刚看，刚写的，有不足的地方，请见两
