PHP常用发送get、post请求的几种方法

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方法1: 用file_get_contents 以get方式获取内容

<?php$url='http://www.domain.com/';$html = file_get_contents($url);echo $html;?>

 

方法2: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-urlencoded\r\n" ."Content-Length: " . strlen($data) . "\r\n",'content' => $data));$context = stream_context_create($opts);$html = file_get_contents('http://localhost/e/admin/test.html', false, $context);echo $html;?>

 

方法3: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 ($ch, CURLOPT_URL, 'http://www.domain.com/');curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);$file_contents = curl_exec($ch);curl_close($ch);echo $file_contents;?>


方法4:使用CURL发送post请求

 

<?php$ch = curl_init();$timeout = 5;$params="{\"id\":1,\"name\":\"test\"}";curl_setopt ($ch, CURLOPT_URL, $URL); //发贴地址curl_setopt ($ch, CURLOPT_HTTPHEADER, array('Content-type: text/json'));//设置header属性curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);curl_setopt($ch, CURLOPT_POST,true);curl_setopt($ch, CURLOPT_POSTFIELDS,$params);$file_contents = curl_exec($ch);//获得返回值return $file_contents;curl_close($ch);?>