php curl请求实例

curl post json 数据

$data = array("name" => "Hagrid", "age" => "36");
$data_string = json_encode($data);
$ch = curl_init('http://api.local/rest/users');
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Content-Type: application/json',
'Content-Length: ' . strlen($data_string))
);
$result = curl_exec($ch);

curl post 自定义环境变量

设置 CURLOPT_HTTPHEADER

【$_SERVER['PHP_AUTH_USER'] 是由服务器控制产生的变量，你不能给它赋值】

function curlRequest($url, $data_string) {
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'bing:bingbing')
);
$result = curl_exec($ch);
return $result;
}

curl post xml数据

$header[] = "Content-type: text/xml"; //定义content-type为xml
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml_data);
$response = curl_exec($ch);
if (curl_errno($ch)) {
print curl_error($ch);
}
curl_close($ch);

"<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Content><![CDATA[%s]]></Content>
</xml>"

/**
* curl获取指定路径内容
*/
function curlRequest($url, $method = '', $postdata = '', $isjson=0) {
$ch = curl_init();
$post = $method && strtolower($method) == 'post' ? 1 : 0;
curl_setopt($ch, CURLOPT_URL, $url);
if($post) {
curl_setopt($ch, CURLOPT_POST, $post);
if($postdata) {
if(!$isjson) {
$postdata = http_build_query($postdata);
}
curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
}
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 80);
if($isjson) {
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Content-Type:application/json',
'Content-Length:'. strlen($postdata)
));
}
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)");
$data = curl_exec($ch);
$datainfo = curl_getinfo($ch);
curl_close($ch);
if($datainfo['http_code'] == 200) {
return array($data, $datainfo);
} else {
return array();
}
}

curl 模拟百度蜘蛛访问

$url = 'xxxxxxxx?' . time();
echo curl_get($url);
/**
* 获取内容
*/
function curl_get($url) {
$header = array(
'CLIENT-IP:' . mt_rand(1, 255) . '.' . mt_rand(1, 255) . '.' . mt_rand(1, 255) . '.'. mt_rand(1, 255) . '',
'X-FORWARDED-FOR:' . mt_rand(1, 255) . '.' . mt_rand(1, 255) . '.' . mt_rand(1, 255) . '.' . mt_rand(1, 255) . '',
);
$ch = curl_init(); //初始化curl
curl_setopt($ch, CURLOPT_URL, $url); //设置链接
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //设置是否返回信息
curl_setopt($ch, CURLOPT_HTTPHEADER, $header); //设置HTTP头
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_TIMEOUT,60); //超时设置
curl_setopt($ch, CURLOPT_REFERER, 'http://www.baidu.com');
curl_setopt($ch, CURLOPT_USERAGENT, 'Baiduspider+(+http://www.baidu.com/search/spider.htm)');
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$content = curl_exec($ch); //接收返回信息
return $content;
}

curl 获取百度搜索关键词内容

$gpc = stf%3D1434211200%2C1434297599|stftype%3D2      时间范围，无此参数表示全部数据
$pos = 0，10，20,...10n 分页
wd 关键字
$url = 'http://www.baidu.com/s?wd=site%3Axxx.xxx.com%20%E8%B5%8C&gpc=' . $gpc . '&cl=3&pn=' . $pos;