php的curl封装类用法实例

本文实例讲述了两个php curl封装类的用法实例，这两个函数可以让我们非常的方便的使用php curl相关函数。分享给大家供大家参考。具体如下：

使用函数之前我们要需要把php curl模块打开(libeay32.dll, ssleay32.dll, php5ts.dll, php_curl.dll)

开启php curl函数库的步骤

1).去掉windows/php.ini 文件里;extension=php_curl.dll前面的; /*用 echo phpinfo();查看php.ini的路径*/
2).把php5/libeay32.dll，ssleay32.dll复制到系统目录windows/下
3).重启apache

代码如下：

<?php
include_once(&#39;curl.class.php&#39;);
$aa =new Curl(&#39;&#39;);
 $curlOptions = array(
 CURLOPT_URL => "http://www.xx.com/addTicket.jsp", //访问URL
 CURLOPT_RETURNTRANSFER => true, //获取结果作为字符串返回
 CURLOPT_REFERER => "ww.ww.ww/zw2",
 CURLOPT_HTTPHEADER => array(&#39;X-FORWARDED-FOR:139.197.14.19&#39;, &#39;CLIENT-IP:127.0.0.1&#39;,&#39;Proxy-Client-IP:139.197.14.19&#39;,&#39;WL-Proxy-Client-IP:139.197.14.19&#39; ),
 CURLOPT_HEADER => 1, //获取返回头信息
 //CURLOPT_SSL_VERIFYPEER => false, //支持SSL加密
 CURLOPT_POST => true, //发送时带有POST参数
 CURLOPT_POSTFIELDS => &#39;ids=897&Submit=%E6%8A%95%E7%A5%A8&#39;, //请求的POST参数字符串
 CURLOPT_TIMEOUT => $aa->timeout //等待响应的时间
 );
 echo $aa->getResponseText($curlOptions);

cul处理类：

<?php
class Curl
{
public $cookieFile;
public $timeout = 160;
Public function __construct($dir){
$this->cookieFile = $this->getTemporaryCookieFileName($dir);
}
/**
* 设置CURL参数并发送请求，获取响应内容
* @access private
* @param $curlOptions array curl设置参数数组
* @return string|false 访问成功，按字符串形式返回获取的信息；否则返回false
*/
public function getResponseText($curlOptions) {
/* 设置CURLOPT_RETURNTRANSFER为true */
if(!isset($curlOptions[CURLOPT_RETURNTRANSFER]) || $curlOptions[CURLOPT_RETURNTRANSFER] == false) {
$curlOptions[CURLOPT_RETURNTRANSFER] = true;
}
/* 初始化curl模块 */
$curl = curl_init();
/* 设置curl选项 */
curl_setopt_array($curl, $curlOptions);
/* 发送请求并获取响应信息 */
$responseText = &#39;&#39;;
try {
$responseText = curl_exec($curl);
if(($errno = curl_errno($curl)) != CURLM_OK) {
$errmsg = curl_error($curl);
throw new Exception($errmsg, $errno);
}
} catch (Exception $e) {
//exceptionDisposeFunction($e);
//print_r($e);
$responseText = false;
}
/* 关闭curl模块 */
curl_close($curl);
/* 返回结果 */
return $responseText;
}
/**
* 将Unicode字符串(u0000)转化为utf-8字符串，工具函数
* @access private
* @static
* @param $string string Unicode字符串
* @return string utf-8字符串
*/
public function unicodeToUtf8($string) {
$string = str_replace(&#39;u&#39;, &#39;&#39;, strtolower($string));
$length = strlen($string) / 4;
$stringResult = &#39;&#39;;
for($i = 0; $i < $length; $i++) {
$charUnicodeHex = substr($string, $i * 4, 4);
$unicodeCode = hexdec($charUnicodeHex);
$utf8Code = &#39;&#39;;
if($unicodeCode < 128) {
$utf8Code = chr($unicodeCode);
} else if($unicodeCode < 2048) {
$utf8Code .= chr(192 + (($unicodeCode - ($unicodeCode % 64)) / 64));
$utf8Code .= chr(128 + ($unicodeCode % 64));
} else {
$utf8Code .= chr(224 + (($unicodeCode - ($unicodeCode % 4096)) / 4096));
$utf8Code .= chr(128 + ((($unicodeCode % 4096) - ($unicodeCode % 64)) / 64));
$utf8Code .= chr(128 + ($unicodeCode % 64));
}
$stringResult .= $utf8Code;
}
return $stringResult;
}
private function getTemporaryCookieFileName($dir=&#39;.&#39;) {
return (str_replace("", &#39;/&#39;, tempnam($dir, &#39;tmp&#39;)));
}
}

例子2

<?php
//curl类
class Curl
{
    function Curl(){
        return true;
    }
     
    function execute($method, $url, $fields=&#39;&#39;, $userAgent=&#39;&#39;, $httpHeaders=&#39;&#39;, $username=&#39;&#39;, $password=&#39;&#39;){
        $ch = Curl::create();
        if(false === $ch){
            return false;
        }
        if(is_string($url) && strlen($url)){
            $ret = curl_setopt($ch, CURLOPT_URL, $url);
        }else{
            return false;
        }
        //是否显示头部信息
        curl_setopt($ch, CURLOPT_HEADER, false);
        //
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        if($username != &#39;&#39;){
            curl_setopt($ch, CURLOPT_USERPWD, $username . &#39;:&#39; . $password);
        }
        $method = strtolower($method);
        if(&#39;post&#39; == $method){
            curl_setopt($ch, CURLOPT_POST, true);
            if(is_array($fields)){
                $sets = array();
                foreach ($fields AS $key => $val){
                    $sets[] = $key . &#39;=&#39; . urlencode($val);
                }
                $fields = implode(&#39;&&#39;,$sets);
            }
            curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
        }else if(&#39;put&#39; == $method){
            curl_setopt($ch, CURLOPT_PUT, true);
        }
        //curl_setopt($ch, CURLOPT_PROGRESS, true);
        //curl_setopt($ch, CURLOPT_VERBOSE, true);
        //curl_setopt($ch, CURLOPT_MUTE, false);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);//设置curl超时秒数
        if(strlen($userAgent)){
            curl_setopt($ch, CURLOPT_USERAGENT, $userAgent);
        }
        if(is_array($httpHeaders)){
            curl_setopt($ch, CURLOPT_HTTPHEADER, $httpHeaders);
        }
        $ret = curl_exec($ch);
        if(curl_errno($ch)){
            curl_close($ch);
            return array(curl_error($ch), curl_errno($ch));
        }else{
            curl_close($ch);
            if(!is_string($ret) || !strlen($ret)){
                return false;
            }
            return $ret;
        }
    }
     
    function post($url, $fields, $userAgent = &#39;&#39;, $httpHeaders = &#39;&#39;, $username = &#39;&#39;, $password = &#39;&#39;){
        $ret = Curl::execute(&#39;POST&#39;, $url, $fields, $userAgent, $httpHeaders, $username, $password);
        if(false === $ret){
            return false;
        }
        if(is_array($ret)){
            return false;
        }
        return $ret;
    }
     
    function get($url, $userAgent = &#39;&#39;, $httpHeaders = &#39;&#39;, $username = &#39;&#39;, $password = &#39;&#39;){
        $ret = Curl::execute(&#39;GET&#39;, $url, &#39;&#39;, $userAgent, $httpHeaders, $username, $password);
        if(false === $ret){
            return false;
        }
        if(is_array($ret)){
            return false;
        }
        return $ret;
    }
     
    function create(){
        $ch = null;
        if(!function_exists(&#39;curl_init&#39;)){
            return false;
        }
        $ch = curl_init();
        if(!is_resource($ch)){
            return false;
        }
        return $ch;
    }
}
?>

用法

GET用法：

$curl = new Curl();
$curl->get('http://www.php.cn/');

POST用法：

$curl = new Curl();
$curl->get('http://www.php.cn/', 'p=1&time=0′);

希望本文所述对大家的PHP程序设计有所帮助。

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