这篇文章主要介绍了PHP cURL初始化和执行方法入门级代码,本文直接给出代码示例,代码中包含详细注释,需要的朋友可以参考下
这个是采集基础,最好熟悉一下
- $ch = curl_init();
- # 设定url和把结果返回,是否返回头部
- curl_setopt($ch, CURLOPT_URL, 'http://www.baidu.com/');
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
- curl_setopt($this->ch, CURLOPT_HEADER, 1);
- # cookie文件设定
- curl_setopt($this->ch, CURLOPT_COOKIEJAR, $cookie_file);
- curl_setopt($this->ch, CURLOPT_COOKIEFILE, $cookie_file);
- # 额外头部
- curl_setopt($this->ch, CURLOPT_HTTPHEADER, array('User-Agent: Mozilla/5.0'));
- # 设定post
- curl_setopt($ch, CURLOPT_POST, 1);
- curl_setopt($ch, CURLOPT_POSTFIELDS, $poststring);
- # 连接、执行过期时间
- curl_setopt($this->ch, CURLOPT_CONNECTTIMEOUT, 5);
- curl_setopt($this->ch, CURLOPT_TIMEOUT, 30);
- # 是否跟随301 302
- curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1);
- curl_setopt($this->ch, CURLOPT_MAXREDIRS, 10);
- # refer
- curl_setopt($this->ch, CURLOPT_REFERER, $refer);
- # http版本和端口重用设置
- curl_setopt($this->ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
- curl_setopt($this->ch, CURLOPT_FORBID_REUSE, 1);
- # 支持https
- curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 0);
- curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 0);
- # 如果需要进行毫秒超时,需要增加:
- curl_setopt($this->ch, CURLOPT_NOSIGNAL, 1);
- # 执行
- $response = curl_exec($ch);
- if(curl_errno($ch)){
- curl_error($ch);
- exit();
- }
- curl_close($ch);
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