php curl网络爬虫简单实例代码

<?php//进行参数传递接收(get请求方式)//$debug = (isset($argv[1])&&$argv[1]=='debug')?true:false;$http = "http://www.baidu.com?&id_no=71a6200aba5c2a83455f10d2d00315be";$wenshu_json = file_get_contents($http);$wenshu = json_decode($wenshu_json,true);$wenshu = $wenshu[0];$case_num = $wenshu['case_num'];$id_no = $wenshu['id_no'];$doc_id = $wenshu['doc_id' ];$case_type = $wenshu['case_type'];$anyou_code = $wenshu['anyou_code'];$anyou_name = $wenshu['anyou_name'];$fayuan_name = $wenshu['fayuan_name'];$origin_content = $wenshu['origin_content'];$fayuan_renwei = $wenshu['fayuan_renwei'];$doc_type = $wenshu['doc_type'];$judge_level = $wenshu['judge_level'];（post请求方式）$data=array(    'case_type' =>  "民事",    'judge_level' => $judge_level,    'doc_type' => "判决",    'content' =>$origin_content);$url = "http://localhost:3000/looklaw";$ch = curl_init();    curl_setopt($ch, CURLOPT_URL, $url);    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);    curl_setopt($ch, CURLOPT_POST, 1);    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));$ret = curl_exec($ch);$html = json_decode($ret, true);var_dump($html);exit;