CURL 模拟post和get请求

<?php ????????class Curl ???{ ???????public static function get($url) ???????{ ???????????//创建一个新的CURL资源赋给变量$ch; ???????????$ch = curl_init(); ???????????//设置URL 及其他选项 ???????????curl_setopt($ch, CURLOPT_URL, $url); ???????????//设置获取的内容但不输出 ???????????curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); ???????????//设置输出的头信息 ???????????// curl_setopt($ch, CURLOPT_HEADER, 0); ???????????//执行 获取url内容并输出到浏览器 ???????????$output = curl_exec($ch); ???????????//释放资源 ???????????curl_close($ch); ???????????//返回获取的网页内容 ???????????return $output; ???????} ???????public static function post($url, $data) ???????{ ???????????//创建一个新的CURL资源赋给变量$ch ???????????$ch = curl_init(); ???????????if(class_exists(‘./CURLFile‘))//php5.5跟php5.6中的CURLOPT_SAFE_UPLOAD的默认值不同 ???????????{ ???????????????curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true); ???????????}else ???????????{ ???????????????if(defined(‘CURLOPT_SAFE_UPLOAD‘)) ???????????????{ ???????????????????curl_setopt($curl, CURLOPT_SAFE_UPLOAD, false); ???????????????} ???????????} ???????????//设置要访问的url地址 ???????????curl_setopt($ch, CURLOPT_URL, $url); ???????????//设置获取的内容但不输出 ???????????curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); ???????????// 发送一个post的请求 ???????????curl_setopt($ch, CURLOPT_POST, 1); ???????????// post提交的数据包 ???????????curl_setopt($ch, CURLOPT_POSTFIELDS, $data); ???????????//执行操作 ???????????$output = curl_exec($ch); ???????????//关闭curl ???????????curl_close($ch); ???????????//返回数据 ???????????return $output; ???????} ???}