会python真的可以为所欲为0(回)
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每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
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鸽子
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835天前<?php |
// +---------------------------------------------------------------------- |
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ] |
// +---------------------------------------------------------------------- |
// | Copyright (c) 2009 http://thinkphp.cn All rights reserved. |
// +---------------------------------------------------------------------- |
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
// +---------------------------------------------------------------------- |
// | Author: liu21st <liu21st@gmail.com> |
// +---------------------------------------------------------------------- |
/** |
* Http 工具类 |
* 提供一系列的Http方法 |
* @category ORG |
* @package ORG |
* @subpackage Net |
* @author liu21st <liu21st@gmail.com> |
*/ |
class Http { |
/** |
* 采集远程文件 |
* @access public |
* @param string $remote 远程文件名 |
* @param string $local 本地保存文件名 |
* @return mixed |
*/ |
static public function curlDownload($remote,$local) { |
$cp = curl_init($remote); |
$fp = fopen($local,"w"); |
curl_setopt($cp, CURLOPT_FILE, $fp); |
curl_setopt($cp, CURLOPT_HEADER, 0); |
curl_exec($cp); |
curl_close($cp); |
fclose($fp); |
} |
/** |
* 使用 fsockopen 通过 HTTP 协议直接访问(采集)远程文件 |
* 如果主机或服务器没有开启 CURL 扩展可考虑使用 |
* fsockopen 比 CURL 稍慢,但性能稳定 |
* @static |
* @access public |
* @param string $url 远程URL |
* @param array $conf 其他配置信息 |
* int limit 分段读取字符个数 |
* string post post的内容,字符串或数组,key=value&形式 |
* string cookie 携带cookie访问,该参数是cookie内容 |
* string ip 如果该参数传入,$url将不被使用,ip访问优先 |
* int timeout 采集超时时间 |
* bool block 是否阻塞访问,默认为true |
* @return mixed |
*/ |
static public function fsockopenDownload($url, $conf = array()) { |
$return = ''; |
if(!is_array($conf)) return $return; |
$matches = parse_url($url); |
!isset($matches['host']) && $matches['host'] = ''; |
!isset($matches['path']) && $matches['path'] = ''; |
!isset($matches['query']) && $matches['query'] = ''; |
!isset($matches['port']) && $matches['port'] = ''; |
$host = $matches['host']; |
$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/'; |
$port = !empty($matches['port']) ? $matches['port'] : 80; |
$conf_arr = array( |
'limit' => 0, |
'post' => '', |
'cookie' => '', |
'ip' => '', |
'timeout' => 15, |
'block' => TRUE, |
); |
foreach (array_merge($conf_arr, $conf) as $k=>$v) ${$k} = $v; |
if($post) { |
if(is_array($post)) |
{ |
$post = http_build_query($post); |
} |
$out = "POST $path HTTP/1.0\r\n"; |
$out .= "Accept: */*\r\n"; |
//$out .= "Referer: $boardurl\r\n"; |
$out .= "Accept-Language: zh-cn\r\n"; |
$out .= "Content-Type: application/x-www-form-urlencoded\r\n"; |
$out .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n"; |
$out .= "Host: $host\r\n"; |
$out .= 'Content-Length: '.strlen($post)."\r\n"; |
$out .= "Connection: Close\r\n"; |
$out .= "Cache-Control: no-cache\r\n"; |
$out .= "Cookie: $cookie\r\n\r\n"; |
$out .= $post; |
} else { |
$out = "GET $path HTTP/1.0\r\n"; |
$out .= "Accept: */*\r\n"; |
//$out .= "Referer: $boardurl\r\n"; |
$out .= "Accept-Language: zh-cn\r\n"; |
$out .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n"; |
$out .= "Host: $host\r\n"; |
$out .= "Connection: Close\r\n"; |
$out .= "Cookie: $cookie\r\n\r\n"; |
} |
$fp = @fsockopen(($ip ? $ip : $host), $port, $errno, $errstr, $timeout); |
if(!$fp) { |
return ''; |
} else { |
stream_set_blocking($fp, $block); |
stream_set_timeout($fp, $timeout); |
@fwrite($fp, $out); |
$status = stream_get_meta_data($fp); |
if(!$status['timed_out']) { |
while (!feof($fp)) { |
if(($header = @fgets($fp)) && ($header == "\r\n" || $header == "\n")) { |
break; |
} |
} |
$stop = false; |
while(!feof($fp) && !$stop) { |
$data = fread($fp, ($limit == 0 || $limit > 8192 ? 8192 : $limit)); |
$return .= $data; |
if($limit) { |
$limit -= strlen($data); |
$stop = $limit <= 0; |
} |
} |
} |
@fclose($fp); |
return $return; |
} |
} |
/** |
* 下载文件 |
* 可以指定下载显示的文件名，并自动发送相应的Header信息 |
* 如果指定了content参数，则下载该参数的内容 |
* @static |
* @access public |
* @param string $filename 下载文件名 |
* @param string $showname 下载显示的文件名 |
* @param string $content 下载的内容 |
* @param integer $expire 下载内容浏览器缓存时间 |
* @return void |
*/ |
static public function download ($filename, $showname='',$content='',$expire=180) { |
if(is_file($filename)) { |
$length = filesize($filename); |
}elseif(is_file(UPLOAD_PATH.$filename)) { |
$filename = UPLOAD_PATH.$filename; |
$length = filesize($filename); |
}elseif($content != '') { |
$length = strlen($content); |
}else { |
throw_exception($filename.L('下载文件不存在！')); |
} |
if(empty($showname)) { |
$showname = $filename; |
} |
$showname = basename($showname); |
if(!empty($filename)) { |
$type = mime_content_type($filename); |
}else{ |
$type = "application/octet-stream"; |
} |
//发送Http Header信息 开始下载 |
header("Pragma: public"); |
header("Cache-control: max-age=".$expire); |
//header('Cache-Control: no-store, no-cache, must-revalidate'); |
header("Expires: " . gmdate("D, d M Y H:i:s",time()+$expire) . "GMT"); |
header("Last-Modified: " . gmdate("D, d M Y H:i:s",time()) . "GMT"); |
header("Content-Disposition: attachment; filename=".$showname); |
header("Content-Length: ".$length); |
header("Content-type: ".$type); |
header('Content-Encoding: none'); |
header("Content-Transfer-Encoding: binary" ); |
if($content == '' ) { |
readfile($filename); |
}else { |
echo($content); |
} |
exit(); |
} |
/** |
* 显示HTTP Header 信息 |
* @return string |
*/ |
static function getHeaderInfo($header='',$echo=true) { |
ob_start(); |
$headers = getallheaders(); |
if(!empty($header)) { |
$info = $headers[$header]; |
echo($header.':'.$info."\n"); ; |
}else { |
foreach($headers as $key=>$val) { |
echo("$key:$val\n"); |
} |
} |
$output = ob_get_clean(); |
if ($echo) { |
echo (nl2br($output)); |
}else { |
return $output; |
} |
} |
/** |
* HTTP Protocol defined status codes |
* @param int $num |
*/ |
static function sendHttpStatus($code) { |
static $_status = array( |
// Informational 1xx |
100 => 'Continue', |
101 => 'Switching Protocols', |
// Success 2xx |
200 => 'OK', |
201 => 'Created', |
202 => 'Accepted', |
203 => 'Non-Authoritative Information', |
204 => 'No Content', |
205 => 'Reset Content', |
206 => 'Partial Content', |
// Redirection 3xx |
300 => 'Multiple Choices', |
301 => 'Moved Permanently', |
302 => 'Found', // 1.1 |
303 => 'See Other', |
304 => 'Not Modified', |
305 => 'Use Proxy', |
// 306 is deprecated but reserved |
307 => 'Temporary Redirect', |
// Client Error 4xx |
400 => 'Bad Request', |
401 => 'Unauthorized', |
402 => 'Payment Required', |
403 => 'Forbidden', |
404 => 'Not Found', |
405 => 'Method Not Allowed', |
406 => 'Not Acceptable', |
407 => 'Proxy Authentication Required', |
408 => 'Request Timeout', |
409 => 'Conflict', |
410 => 'Gone', |
411 => 'Length Required', |
412 => 'Precondition Failed', |
413 => 'Request Entity Too Large', |
414 => 'Request-URI Too Long', |
415 => 'Unsupported Media Type', |
416 => 'Requested Range Not Satisfiable', |
417 => 'Expectation Failed', |
// Server Error 5xx |
500 => 'Internal Server Error', |
501 => 'Not Implemented', |
502 => 'Bad Gateway', |
503 => 'Service Unavailable', |
504 => 'Gateway Timeout', |
505 => 'HTTP Version Not Supported', |
509 => 'Bandwidth Limit Exceeded' |
); |
if(isset($_status[$code])) { |
header('HTTP/1.1 '.$code.' '.$_status[$code]); |
} |
} |
}//类定义结束 |
if( !function_exists ('mime_content_type')) { |
/** |
* 获取文件的mime_content类型 |
* @return string |
*/ |
function mime_content_type($filename) { |
static $contentType = array( |
'ai' => 'application/postscript', |
'aif' => 'audio/x-aiff', |
'aifc' => 'audio/x-aiff', |
'aiff' => 'audio/x-aiff', |
'asc' => 'application/pgp', //changed by skwashd - was text/plain |
'asf' => 'video/x-ms-asf', |
'asx' => 'video/x-ms-asf', |
'au' => 'audio/basic', |
'avi' => 'video/x-msvideo', |
'bcpio' => 'application/x-bcpio', |
'bin' => 'application/octet-stream', |
'bmp' => 'image/bmp', |
'c' => 'text/plain', // or 'text/x-csrc', //added by skwashd |
'cc' => 'text/plain', // or 'text/x-c++src', //added by skwashd |
'cs' => 'text/plain', //added by skwashd - for C# src |
'cpp' => 'text/x-c++src', //added by skwashd |
'cxx' => 'text/x-c++src', //added by skwashd |
'cdf' => 'application/x-netcdf', |
'class' => 'application/octet-stream',//secure but application/java-class is correct |
'com' => 'application/octet-stream',//added by skwashd |
'cpio' => 'application/x-cpio', |
'cpt' => 'application/mac-compactpro', |
'csh' => 'application/x-csh', |
'css' => 'text/css', |
'csv' => 'text/comma-separated-values',//added by skwashd |
'dcr' => 'application/x-director', |
'diff' => 'text/diff', |
'dir' => 'application/x-director', |
'dll' => 'application/octet-stream', |
'dms' => 'application/octet-stream', |
'doc' => 'application/msword', |
'dot' => 'application/msword',//added by skwashd |
'dvi' => 'application/x-dvi', |
'dxr' => 'application/x-director', |
'eps' => 'application/postscript', |
'etx' => 'text/x-setext', |
'exe' => 'application/octet-stream', |
'ez' => 'application/andrew-inset', |
'gif' => 'image/gif', |
'gtar' => 'application/x-gtar', |
'gz' => 'application/x-gzip', |
'h' => 'text/plain', // or 'text/x-chdr',//added by skwashd |
'h++' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd |
'hh' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd |
'hpp' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd |
'hxx' => 'text/plain', // or 'text/x-c++hdr', //added by skwashd |
'hdf' => 'application/x-hdf', |
'hqx' => 'application/mac-binhex40', |
'htm' => 'text/html', |
'html' => 'text/html', |
'ice' => 'x-conference/x-cooltalk', |
'ics' => 'text/calendar', |
'ief' => 'image/ief', |
'ifb' => 'text/calendar', |
'iges' => 'model/iges', |
'igs' => 'model/iges', |
'jar' => 'application/x-jar', //added by skwashd - alternative mime type |
'java' => 'text/x-java-source', //added by skwashd |
'jpe' => 'image/jpeg', |
'jpeg' => 'image/jpeg', |
'jpg' => 'image/jpeg', |
'js' => 'application/x-javascript', |
'kar' => 'audio/midi', |
'latex' => 'application/x-latex', |
'lha' => 'application/octet-stream', |
'log' => 'text/plain', |
'lzh' => 'application/octet-stream', |
'm3u' => 'audio/x-mpegurl', |
'man' => 'application/x-troff-man', |
'me' => 'application/x-troff-me', |
'mesh' => 'model/mesh', |
'mid' => 'audio/midi', |
'midi' => 'audio/midi', |
'mif' => 'application/vnd.mif', |
'mov' => 'video/quicktime', |
'movie' => 'video/x-sgi-movie', |
'mp2' => 'audio/mpeg', |
'mp3' => 'audio/mpeg', |
'mpe' => 'video/mpeg', |
'mpeg' => 'video/mpeg', |
'mpg' => 'video/mpeg', |
'mpga' => 'audio/mpeg', |
'ms' => 'application/x-troff-ms', |
'msh' => 'model/mesh', |
'mxu' => 'video/vnd.mpegurl', |
'nc' => 'application/x-netcdf', |
'oda' => 'application/oda', |
'patch' => 'text/diff', |
'pbm' => 'image/x-portable-bitmap', |
'pdb' => 'chemical/x-pdb', |
'pdf' => 'application/pdf', |
'pgm' => 'image/x-portable-graymap', |
'pgn' => 'application/x-chess-pgn', |
'pgp' => 'application/pgp',//added by skwashd |
'php' => 'application/x-httpd-php', |
'php3' => 'application/x-httpd-php3', |
'pl' => 'application/x-perl', |
'pm' => 'application/x-perl', |
'png' => 'image/png', |
'pnm' => 'image/x-portable-anymap', |
'po' => 'text/plain', |
'ppm' => 'image/x-portable-pixmap', |
'ppt' => 'application/vnd.ms-powerpoint', |
'ps' => 'application/postscript', |
'qt' => 'video/quicktime', |
'ra' => 'audio/x-realaudio', |
'rar' => 'application/octet-stream', |
'ram' => 'audio/x-pn-realaudio', |
'ras' => 'image/x-cmu-raster', |
'rgb' => 'image/x-rgb', |
'rm' => 'audio/x-pn-realaudio', |
'roff' => 'application/x-troff', |
'rpm' => 'audio/x-pn-realaudio-plugin', |
'rtf' => 'text/rtf', |
'rtx' => 'text/richtext', |
'sgm' => 'text/sgml', |
'sgml' => 'text/sgml', |
'sh' => 'application/x-sh', |
'shar' => 'application/x-shar', |
'shtml' => 'text/html', |
'silo' => 'model/mesh', |
'sit' => 'application/x-stuffit', |
'skd' => 'application/x-koan', |
'skm' => 'application/x-koan', |
'skp' => 'application/x-koan', |
'skt' => 'application/x-koan', |
'smi' => 'application/smil', |
'smil' => 'application/smil', |
'snd' => 'audio/basic', |
'so' => 'application/octet-stream', |
'spl' => 'application/x-futuresplash', |
'src' => 'application/x-wais-source', |
'stc' => 'application/vnd.sun.xml.calc.template', |
'std' => 'application/vnd.sun.xml.draw.template', |
'sti' => 'application/vnd.sun.xml.impress.template', |
'stw' => 'application/vnd.sun.xml.writer.template', |
'sv4cpio' => 'application/x-sv4cpio', |
'sv4crc' => 'application/x-sv4crc', |
'swf' => 'application/x-shockwave-flash', |
'sxc' => 'application/vnd.sun.xml.calc', |
'sxd' => 'application/vnd.sun.xml.draw', |
'sxg' => 'application/vnd.sun.xml.writer.global', |
'sxi' => 'application/vnd.sun.xml.impress', |
'sxm' => 'application/vnd.sun.xml.math', |
'sxw' => 'application/vnd.sun.xml.writer', |
't' => 'application/x-troff', |
'tar' => 'application/x-tar', |
'tcl' => 'application/x-tcl', |
'tex' => 'application/x-tex', |
'texi' => 'application/x-texinfo', |
'texinfo' => 'application/x-texinfo', |
'tgz' => 'application/x-gtar', |
'tif' => 'image/tiff', |
'tiff' => 'image/tiff', |
'tr' => 'application/x-troff', |
'tsv' => 'text/tab-separated-values', |
'txt' => 'text/plain', |
'ustar' => 'application/x-ustar', |
'vbs' => 'text/plain', //added by skwashd - for obvious reasons |
'vcd' => 'application/x-cdlink', |
'vcf' => 'text/x-vcard', |
'vcs' => 'text/calendar', |
'vfb' => 'text/calendar', |
'vrml' => 'model/vrml', |
'vsd' => 'application/vnd.visio', |
'wav' => 'audio/x-wav', |
'wax' => 'audio/x-ms-wax', |
'wbmp' => 'image/vnd.wap.wbmp', |
'wbxml' => 'application/vnd.wap.wbxml', |
'wm' => 'video/x-ms-wm', |
'wma' => 'audio/x-ms-wma', |
'wmd' => 'application/x-ms-wmd', |
'wml' => 'text/vnd.wap.wml', |
'wmlc' => 'application/vnd.wap.wmlc', |
'wmls' => 'text/vnd.wap.wmlscript', |
'wmlsc' => 'application/vnd.wap.wmlscriptc', |
'wmv' => 'video/x-ms-wmv', |
'wmx' => 'video/x-ms-wmx', |
'wmz' => 'application/x-ms-wmz', |
'wrl' => 'model/vrml', |
'wvx' => 'video/x-ms-wvx', |
'xbm' => 'image/x-xbitmap', |
'xht' => 'application/xhtml+xml', |
'xhtml' => 'application/xhtml+xml', |
'xls' => 'application/vnd.ms-excel', |
'xlt' => 'application/vnd.ms-excel', |
'xml' => 'application/xml', |
'xpm' => 'image/x-xpixmap', |
'xsl' => 'text/xml', |
'xwd' => 'image/x-xwindowdump', |
'xyz' => 'chemical/x-xyz', |
'z' => 'application/x-compress', |
'zip' => 'application/zip', |
); |
$type = strtolower(substr(strrchr($filename, '.'),1)); |
if(isset($contentType[$type])) { |
$mime = $contentType[$type]; |
}else { |
$mime = 'application/octet-stream'; |
} |
return $mime; |
} |
} |
if(!function_exists('image_type_to_extension')){ |
function image_type_to_extension($imagetype) { |
if(empty($imagetype)) return false; |
switch($imagetype) { |
case IMAGETYPE_GIF : return '.gif'; |
case IMAGETYPE_JPEG : return '.jpg'; |
case IMAGETYPE_PNG : return '.png'; |
case IMAGETYPE_SWF : return '.swf'; |
case IMAGETYPE_PSD : return '.psd'; |
case IMAGETYPE_BMP : return '.bmp'; |
case IMAGETYPE_TIFF_II : return '.tiff'; |
case IMAGETYPE_TIFF_MM : return '.tiff'; |
case IMAGETYPE_JPC : return '.jpc'; |
case IMAGETYPE_JP2 : return '.jp2'; |
case IMAGETYPE_JPX : return '.jpf'; |
case IMAGETYPE_JB2 : return '.jb2'; |
case IMAGETYPE_SWC : return '.swc'; |
case IMAGETYPE_IFF : return '.aiff'; |
case IMAGETYPE_WBMP : return '.wbmp'; |
case IMAGETYPE_XBM : return '.xbm'; |
default : return false; |
} |
} |
} |
