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php http請求類

  1. 代碼： 
    <?php
namespace dollarphp;
/**
* @desc：http請求類
* @author [Lee] <[<[email protected]>]>
* @property
* 1、timeout    逾時時間，預設5秒
* 2、depth      重定向深度，預設3
* 3、name       上傳檔案的名字，預設file
* 4、cookie     模拟登入時cookie存儲在本地的檔案，預設cookie.txt
* @method
* 1、ssl        是否設定https           true:是  false:否
* 2、auth       啟用驗證                user:使用者名    pass:密碼
* 3、login      模拟登入，擷取cookie
* 4、cookie     使用cookie登入
* 5、header     設定請求頭              data:請求頭數組
* 6、proxy      設定伺服器代理          url:代理伺服器url   port:代理伺服器端口
* 7、agent      設定浏覽器代理          browse:代理浏覽器 預設:Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)
* 8、get        模拟get請求             data:傳遞的資料
* 9、post       模拟post請求            data:傳遞的資料
* 10、json      模拟json請求            data:傳遞的資料
* 11、upload    模拟表單上傳            files:上傳的檔案   array|string
* 12、download  下載下傳檔案                dir:要下載下傳的檔案  格式：a/b
* 13、run       執行                    ret:傳回的資料
* 14、info      擷取執行資訊            ret:傳回的資訊
*/
class http{
public $timeout = 5;  #  逾時時間，預設5秒
public $depth = 3;  #  重定向深度，預設3
public $name = 'file';  #  上傳檔案的名字，預設file
public $cookie = 'cookie.txt';  #  模拟登入時cookie存儲在本地的檔案，預設cookie_n
private $scheme = '';
private $host = '';
private $path = '';
private $query = '';
private $options = array();
private $ch;
private $fp;
private $progress = false;
/*
 @desc：内部方法 設定get請求參數
 @param data 請求資料
 */
private function setget($data){
    $scheme = $this->scheme;
    $host = $this->host;
    $path = $this->path;
    $query = $this->query;
    $sep = ($query || !empty($data))?"?":"";
    $qurl = $scheme.'://'.$host.$path.$sep.$query.$data;
    $this->options[CURLOPT_URL] = $qurl;
    return $this;
}
/*
 @desc：内部方法 設定post請求參數
 @param data 請求資料
 */
private function setpost($data){
    $scheme = $this->scheme;
    $host = $this->host;
    $path = $this->path;
    $query = $this->query;
    $sep = $query?"?":"";
    $qurl = $scheme.'://'.$host.$path.$sep.$query;
    $this->options[CURLOPT_URL] = $qurl;
    $this->options[CURLOPT_POST] = 1;
    $this->options[CURLOPT_POSTFIELDS] = $data;
    return $this;
}
/*
 @desc：内部方法 設定最終請求參數
 */
private function setopt(){
    $options = $this->options;
    curl_setopt_array(
            $this->ch,
            $options
        );
    return $this;
}
/*
 @desc：構造方法 設定初始請求參數
 @param url 請求位址
 */
public function __construct($url){
    $info = parse_url($url);
    $this->scheme = $info['scheme']?:'http';
    $this->host = $info['host'];
    $this->path = $info['path'];
    $this->query = $info['query'];
    $this->ch = curl_init();
    $this->options[CURLOPT_CONNECTTIMEOUT] = $this->timeout;
    $this->options[CURLOPT_RETURNTRANSFER] = 1;
    $this->options[CURLOPT_FOLLOWLOCATION] = 1;
    $this->options[CURLINFO_HEADER_OUT] = true;
    $this->options[CURLOPT_ENCODING] = 'gzip';
    $this->options[CURLOPT_MAXREDIRS] = $this->depth;
}
/*
 @desc：是否設定https請求
 @param bool true:https請求 false:http請求
 */
public function ssl($bool = false){
    if($bool){
        $this->scheme = 'https';
        $this->options[CURLOPT_SSL_VERIFYHOST] = 1;
        $this->options[CURLOPT_SSL_VERIFYPEER] = false;
    }
    return $this;
}
/*
 @desc：設定驗證使用者名、密碼
 @param user 使用者名
 @param pass 密碼
 */
public function auth($user,$pass){
    $this->options[CURLOPT_USERPWD] = $user.':'.$pass;
    return $this;
}
/*
 @desc：模拟登入
 */
public function login(){
    $cookie = $this->cookie;
    $this->options[CURLOPT_COOKIEJAR] = $cookie;
    $this->options[CURLOPT_RETURNTRANSFER] = 0;
    return $this;
}
/*
 @desc：帶cookie登入
 */
public function cookie(){
    $cookie = $this->cookie;
    $this->options[CURLOPT_COOKIEFILE] = $cookie;
    return $this;
}
/*
 @desc：設定請求頭資訊
 @param data 請求頭
 */
public function header($data){
    $this->options[CURLOPT_HTTPHEADER] = $this->options[CURLOPT_HTTPHEADER]?:array();
    $this->options[CURLOPT_HTTPHEADER] = array_merge($this->options[CURLOPT_HTTPHEADER],$data);
    return $this;
}
/*
 @desc：設定代理伺服器
 @param url 代理伺服器url
 @param port 代理伺服器端口
 */
public function proxy($url,$port){
    $info = parse_url($url);
    $scheme = $info['scheme']?:'http';
    $host = $info['host'];
    $path = $info['path'];
    $purl = $scheme.'://'.$host.$path.':'.$port;
    $this->options[CURLOPT_PROXY] = $purl;
    return $this;
}
/*
 @desc：設定代理浏覽器
 @param browse 代理浏覽器
 */
public function agent($browse = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)'){
    $this->options[CURLOPT_USERAGENT] = $browse;
    return $this;
}
/*
 @desc：模拟get請求
 @param data 請求資料
 */
public function get($data = array()){
    $data = http_build_query($data);
    $this->setget($data);
    return $this;
}
/*
 @desc：模拟post請求
 @param data 請求資料
 */
public function post($data = array()){
    $this->setpost($data);
    return $this;
}
/*
 @desc：模拟json請求
 @param data 請求資料
 */
public function json($data = array()){
    $data = json_encode($data);
    $header = array(
            'Content-Type: application/json',
            'Content-Length:' . strlen($data)
        );
    $this->header($header);
    $this->setpost($data);
    return $this;
}
/*
 @desc：模拟表單上傳
 @param files 檔案路徑
 */
public function upload($files){
    $this->progress = true;
    $data = array();
    $name = $this->name;
    if(is_array($files)){
        foreach($files as $k=>$v){
            $data["{$name}[{$k}]"]=new \CURLFile($v);
        }
    }else{
        $data["{$name}"]=new \CURLFile($files);
    }
    ob_start();
    echo ">>";
    ob_flush();
    flush();
    $last = 0;
    $diff = 0;
    $this->options[CURLOPT_PROGRESSFUNCTION] = function($source,$dfilesize,$downsize,$upsize,$ufilesize){
        global $last;
        global $diff;
        if($ufilesize > 0){
            $percent = round($ufilesize/$upsize*100,2);
            $diff += $percent - $last;
            if($diff > 1){
                echo "#";
                $diff = 0;
            }
            $last = $percent;
        }
        ob_flush();
        flush();
    };
    $this->options[CURLOPT_NOPROGRESS] = false;
    $this->setpost($data);
    return $this;
}
/*
 @desc：下載下傳檔案
 @param dir 存儲檔案目錄
 */
public function download($dir = ''){
    $this->progress = true;
    $path = $this->path;
    if($dir && !is_dir($dir)){
        mkdir($dir,0755,true);
    }
    $name = strrchr($path, '/');
    $dsep = $dir?'/':'';
    ob_start();
    echo ">>";
    ob_flush();
    flush();
    $this->fp=fopen('.'.$dsep.$dir.$name, 'w');
    $last = 0;
    $diff = 0;
    $this->options[CURLOPT_PROGRESSFUNCTION] = function($source,$dfilesize,$downsize,$upsize,$ufilesize){
        global $last;
        global $diff;
        if($dfilesize > 0){
            $percent = round($downsize/$dfilesize*100,2);
            $diff += $percent - $last;
            if($diff > 1){
                echo "#";
                $diff = 0;
            }
            $last = $percent;
        }
        ob_flush();
        flush();
    };
    $this->options[CURLOPT_NOPROGRESS] = false;
    $this->options[CURLOPT_FILE] = $this->fp;
    $this->setget('');
    return $this;
}
/*
 @desc：執行方法
 @return ret 傳回的資料
 */
public function run(){
    $ch = $this->ch;
    $this->setopt();
    $ret = curl_exec($ch);
    curl_close($ch);
    if($this->progress){
        if($this->fp){
            fclose($this->fp);
        }
        echo "#<<done";
        ob_flush();
        flush();
    }
    return $ret;
}
/*
 @desc：擷取執行資訊
 @return ret 傳回的資訊
 */
public function info(){
    $ch = $this->ch;
    $this->setopt();
    curl_exec($ch);
    $ret = curl_getinfo($ch);
    curl_close($ch);
    if($this->fp){
        fclose($this->fp);
    }
    return $ret;
}
}
  2. 測試： 
    $http = new http('www.baidu.com');
$ret = $http->ssl(true)->get()->run();
echo $ret;
  3. 輸出： 
    <!DOCTYPE html><!--STATUS OK-->
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<link rel="dns-prefetch" href="//s1.bdstatic.com"/>
<link rel="dns-prefetch" href="//t1.baidu.com"/>
<link rel="dns-prefetch" href="//t2.baidu.com"/>
<link rel="dns-prefetch" href="//t3.baidu.com"/>
<link rel="dns-prefetch" href="//t10.baidu.com"/>
<link rel="dns-prefetch" href="//t11.baidu.com"/>
<link rel="dns-prefetch" href="//t12.baidu.com"/>
<link rel="dns-prefetch" href="//b1.bdstatic.com"/>
<title>百度一下，你就知道</title>
<link href="https://ss1.bdstatic.com/5eN1bjq8AAUYm2zgoY3K/r/www/cache/static/home/css/index.css" rel="stylesheet" type="text/css" />
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<script>function h(obj){obj.style.behavior='url(#default#homepage)';var a = obj.setHomePage('//www.baidu.com/');}</script>
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</head>
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