php发送get、post请求的6种方法简明总结
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2022-06-20 21:28:59
方法1: 用file_get_contents 以get方式获取内容:
方法1: 用file_get_contents 以get方式获取内容:
<?php $url='//www.jb51.net/'; $html = file_get_contents($url); echo $html; ?>
方法2: 用fopen打开url, 以get方式获取内容:
<?php $fp = fopen($url, ‘r'); stream_get_meta_data($fp); while(!feof($fp)) { $result .= fgets($fp, 1024); } echo “url body: $result”; fclose($fp); ?>
方法3:用file_get_contents函数,以post方式获取url
<?php $data = array (‘foo' => ‘bar'); $data = http_build_query($data); $opts = array ( ‘http' => array ( ‘method' => ‘post', ‘header'=> “content-type: application/x-www-form-urlencodedrn” . “content-length: ” . strlen($data) . “rn”, ‘content' => $data ) ); $context = stream_context_create($opts); $html = file_get_contents(‘http://localhost/e/admin/test.html', false, $context); echo $html; ?>
方法4:用fsockopen函数打开url,以get方式获取完整的数据,包括header和body,fsockopen需要 php.ini 中 allow_url_fopen 选项开启
<?php function get_url ($url,$cookie=false) { $url = parse_url($url); $query = $url[path].”?”.$url[query]; echo “query:”.$query; $fp = fsockopen( $url[host], $url[port]?$url[port]:80 , $errno, $errstr, 30); if (!$fp) { return false; } else { $request = “get $query http/1.1rn”; $request .= “host: $url[host]rn”; $request .= “connection: closern”; if($cookie) $request.=”cookie: $cookien”; $request.=”rn”; fwrite($fp,$request); while(!@feof($fp)) { $result .= @fgets($fp, 1024); } fclose($fp); return $result; } } //获取url的html部分,去掉header function geturlhtml($url,$cookie=false) { $rowdata = get_url($url,$cookie); if($rowdata) { $body= stristr($rowdata,”rnrn”); $body=substr($body,4,strlen($body)); return $body; } return false; } ?>
方法5:用fsockopen函数打开url,以post方式获取完整的数据,包括header和body
<?php function http_post($url,$data,$cookie, $referrer=”") { // parsing the given url $url_info=parse_url($url); // building referrer if($referrer==”") // if not given use this script as referrer $referrer=”111″; // making string from $data foreach($data as $key=>$value) $values[]=”$key=”.urlencode($value); $data_string=implode(“&”,$values); // find out which port is needed – if not given use standard (=80) if(!isset($url_info["port"])) $url_info["port"]=80; // building post-request: $request.=”post “.$url_info["path"].” http/1.1n”; $request.=”host: “.$url_info["host"].”n”; $request.=”referer: $referern”; $request.=”content-type: application/x-www-form-urlencodedn”; $request.=”content-length: “.strlen($data_string).”n”; $request.=”connection: closen”; $request.=”cookie: $cookien”; $request.=”n”; $request.=$data_string.”n”; $fp = fsockopen($url_info["host"],$url_info["port"]); fputs($fp, $request); while(!feof($fp)) { $result .= fgets($fp, 1024); } fclose($fp); return $result; } ?>
方法6:使用curl库,使用curl库之前,可能需要查看一下php.ini是否已经打开了curl扩展
<?php $ch = curl_init(); $timeout = 5; curl_setopt ($ch, curlopt_url, ‘//www.jb51.net/'); curl_setopt ($ch, curlopt_returntransfer, 1); curl_setopt ($ch, curlopt_connecttimeout, $timeout); $file_contents = curl_exec($ch); curl_close($ch); echo $file_contents; ?>