最近要用到經過post上傳文件,網上盛傳的有curl的post提交和fsockopen,其中curl最簡單,因而從最簡單的提及。 這是簡單的將一個變量post到另一個頁面 $url = ''; $data = array('a'=> 'b'); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); $ret = curl_exec($ch); curl_close($ch); 主要說下這個選項CURLOPT_RETURNTRANSFER:若是設置爲true/1,則curl_exec的時候不會自動將請求網頁的內容輸出到屏幕,$ret爲請求網頁的內容,若是設置爲false/0,則curl_exec的時候會自動將請求網頁的內容輸出到屏幕,此時若是請求成功的話$ret的內容是1或者true。 下面是上傳本地文件的代碼,若是須要上傳遠程文件,則先down到本地,而後刪掉便可(若有同窗有別的辦法還請告知): $url = ''; $file = '1.jpg'; $field['uploadFile'] = '@'.$file;(uploadFile爲接收端的name名) $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $field); $ret = curl_exec($ch); curl_close($ch); ------------------------------------------------------------------------------------- 這是fsockopen的辦法: $uploadInfo = array( 'host'=>'', 'port'=>'80', 'url'=>'/upload.php' ); $fp = fsockopen($uploadInfo['host'],$uploadInfo['port'],$errno,$errstr); $file = '1.jpg'; $content = file_get_contents($file); $boundary = md5(time()); $out.="--".$boundary."\r\n"; $out.="Content-Disposition: form-data; name=\"uploadFile\"; filename=\"".$file."\"\r\n"; $out.="Content-Type: image/jpg\r\n\r\n"; $out.=$content."\r\n"; $out.="--".$boundary."\r\n"; fwrite($fp,"POST ".$uploadInfo['url']." HTTP/1.1\r\n"); fwrite($fp,"Host:".$uploadInfo['host']."\r\n"); fwrite($fp,"Content-Type: multipart/form-data; boundary=".$boundary."\r\n"); fwrite($fp,"Content-length:".strlen($out)."\r\n\r\n"); fwrite($fp,$out); while (!feof($fp)){ $ret .= fgets($fp, 1024); } fclose($fp); $ret = trim(strstr($ret, "\r\n\r\n")); preg_match('/http:.*/', $ret, $match); return $match[0];