cURL crawling page to get weather

Call WebService to get the weather

WebService provides a simple interface that allows us to quickly obtain the information we want.

<?php
header("Content-Type:text/html;   charset=utf-8");
$data = 'theCityName=北京';
$curlobj = curl_init();
curl_setopt($curlobj, CURLOPT_URL, "http://www.webxml.com.cn/WebServices/WeatherWebService.asmx/getWeatherbyCityName");
curl_setopt($curlobj, CURLOPT_USERAGENT, "user-agent:Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Firefox/24.0");
curl_setopt($curlobj, CURLOPT_HEADER, 0);          //启用时会将头文件的信息作为数据流输出。这里不启用
curl_setopt($curlobj, CURLOPT_RETURNTRANSFER, 1);  //如果成功只将结果返回，不自动输出任何内容。如果失败返回FALSE
curl_setopt($curlobj, CURLOPT_POST, 1);            //如果你想PHP去做一个正规的HTTP POST，设置这个选项为一个非零值。这个POST是普通的 application/x-www-from-urlencoded 类型，多数被HTML表单使用。
curl_setopt($curlobj, CURLOPT_POSTFIELDS, $data);  //需要POST的数据
curl_setopt($curlobj, CURLOPT_HTTPHEADER, array("application/x-www-form-urlencoded;   
                                                    charset=utf-8", "Content-length: ".strlen($data)));
$rtn = curl_exec($curlobj);
if(!curl_errno($curlobj)){
    // $info = curl_getinfo($curlobj);
    // print_r($info);
    echo $rtn;
} else {
    echo 'Curl error: ' . curl_error($curlobj);
}
curl_close($curlobj);
?>

$data is used to fill in the location.

curl_setopt($curlobj, CURLOPT_URL, "http://www.webxml.com.cn/WebServices/WeatherWebService.asmx/getWeatherbyCityName");

The following URL is an open interface.

The opening effect is as follows