Implementation code for php calling yahoo sina api weather forecast-PHP Tutorial-php.cn

Implementation code for php calling yahoo sina api weather forecast

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Release： 2016-07-25 08:56:22

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header ( 'Content-Type: text/html; charset = utf-8' );
class weather {
static $url = 'http://xml.weather.yahoo.com /forecastrss?u=c&w=';
static $city = 'Beijing'; //Default city Beijing. What should be noted here is that city requires pinyin. I have tried using Chinese and it cannot be called in several regions.
static $weatherXML = '';
static $woeid_file = "woeid";
static $file_path = "data/";
/**
* Get remote xml and cache it locally
*/
static public function getXML($city = null) {
if ($city != null){
self::$city = $city;
}
self::$weatherXML = self::$file_path . md5(self::$city) . '-weather.xml';
if (file_exists ( self::$weatherXML )) {
$fileTime = filemtime ( self::$weatherXML );
$stater = time () - $fileTime - 60 * 60 * 2;
if ($stater > 0) {
return true;
}
}
//Get woeid
$woeid = self::getWOEID();
self::$url = self::$url . $woeid[0];
//Get the weather for the day
$ XML = self::vget(self::$url);
//Save the day's weather to a file
self::cacheXML($XML);
self::analysisXML($XML);
}
static public function analysisXML($simple) {
$p = xml_parser_create();
xml_parse_into_struct($p, $simple, $vals, $index);
xml_parser_free($p);
//Weather this week
$weekindex = $index['YWEATHER:FORECAST'];
$week = array();
foreach($weekindex as $k=>$v){
$week[$k] = $vals[$v][' attributes'];
}
unset($index);
unset($vals);
print_r($week);
/*
* day week
* date date
* low minimum temperature
* high maximum temperature
* test weather status
* code weather icon
*/
}
/*
* Get the area WOEID code
*/
static private function getWOEID(){
static $woeid = array();
if(isset($woeid[self::$city])) {
return $woeid[self::$city];
}
if (file_exists( self::$file_path . self::$woeid_file )) {
$woeidSTR = file_get_contents(self::$file_path . self:: $woeid_file);
$woeid = json_decode($woeidSTR , true);
if(isset($woeid[self::$city])){
return $woeid[self::$city];
}
}
$geoPlaces = "http://query.yahooapis.com/v1/public/yql?q=select%20woeid%20from%20geo.places%20where%20text='".self::$city."%20CH'" ;
$XML = simplexml_load_file( $geoPlaces );
if(isset($XML->results->place[0])){
$rs = $woeid[self::$city] = $XML ->results->place[0]->woeid;
//Save to file
$woeidSTR = json_encode($woeid);
file_put_contents(self::$file_path . self::$woeid_file, $woeidSTR) ;
return $rs;
}else{
//If the city woeid cannot be found, the default city will be changed to Beijing
self::$city = "Beijing";
return self::getWOEID();
}
}
/**
* Create xml cache
* @param $contents The content to be cached
*/
static private function cacheXML($contents) {
$contents = str_ireplace ( '', " n", $contents );
$contents = mb_convert_encoding ( $contents, 'utf-8', 'gbk' );
file_put_contents ( self::$weatherXML, $contents ) or die ( 'No write permission' );
}
/**
* Simulate the function of getting content
* @param type $url
* @return type
*/
static private function vget($url) {
$user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)";
$curl = curl_init (); // Start a CURL session
curl_setopt ( $curl, CURLOPT_URL, $url ); // The address to be accessed
curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, 0 ); // Check the source of the authentication certificate
curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, 1 ); // Check whether the SSL encryption algorithm exists from the certificate
curl_setopt ( $curl, CURLOPT_USERAGENT, $user_agent ); // Simulate the browser used by the user
@curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, 1 ); // Use automatic redirect
curl_setopt ( $curl, CURLOPT_AUTOREFERER, 1 ); // Automatically set the Referer
curl_setopt ( $curl, CURLOPT_HTTPGET, 1 ); // Send a regular Post request
curl_setopt ( $curl, CURLOPT_TIMEOUT , 120 ); // Set timeout limit to prevent endless loops
curl_setopt ( $curl, CURLOPT_HEADER, 0 ); // Display the content of the returned Header area
curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 ); // The information obtained is in the file stream Return in the form of
$tmpInfo = curl_exec ( $curl ); // Perform the operation
if (curl_errno ( $curl )) {
curl_close ( $curl ); // Close the CURL session
die('Errno' . curl_error ( $curl )) ;
}
curl_close ( $curl ); // Close CURL session
return $tmpInfo; // Return data
}
}
weather::getXML("Changsha");

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2，新浪天气地址：http://php.weather.sina.com.cn 代码：

header ( 'Content-Type: text/html; charset = utf-8' );
class weather {
static $url = 'http://php.weather.sina.com.cn/xml.php?password=DJOYnieT8234jlsK&day=0&city=';//password是固定值
static $city = '%B1%B1%BE%A9'; //默认城市北京
static $weatherXML = '';
static $file_path = "data/";
/**
* Get remote xml and cache it locally
*/
static public function getXML($city = null) {
if ($city != null){
$city = mb_convert_encoding ( $city, 'gbk', 'utf-8' );
self::$city = urlencode($city);
}
self::$weatherXML = self::$file_path . md5(self::$city) . '-weather.xml';
if (file_exists( self::$weatherXML )) {
$fileTime = filemtime ( self::$weatherXML );
$stater = time () - $fileTime - 60 * 60 * 2;
if ($stater > 0) {
return true;
}
}
$contents = self::vget( self::$url . self::$city );
self::cacheXML ( $contents );
self::analysisXML();
}
/**
* Parse xml
*/
static public function analysisXML() {
$XML = simplexml_load_file(self::$weatherXML );
print_r($XML);
}
/**
* Create xml cache
* @param $contents The content to be cached
*/
static private function cacheXML($contents) {
$contents = str_ireplace ( '', " n", $contents );
file_put_contents ( self::$weatherXML, $contents ) or die ( '没有写权限' );
}
/**
* Simulate the function of getting content
* @param type $url
* @return type
*/
static private function vget($url) {
$user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)";
$curl = curl_init (); // 启动一个CURL会话
curl_setopt ( $curl, CURLOPT_URL, $url ); // 要访问的地址
curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, 0 ); // 对认证证书来源的检查
curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, 1 ); // 从证书中检查SSL加密算法是否存在
curl_setopt ( $curl, CURLOPT_USERAGENT, $user_agent ); // 模拟用户使用的浏览器
@curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转
curl_setopt ( $curl, CURLOPT_AUTOREFERER, 1 ); // 自动设置Referer
curl_setopt ( $curl, CURLOPT_HTTPGET, 1 ); // 发送一个常规的Post请求
curl_setopt ( $curl, CURLOPT_TIMEOUT, 120 ); // 设置超时限制防止死循环
curl_setopt ( $curl, CURLOPT_HEADER, 0 ); // 显示返回的Header区域内容
curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 ); // 获取的信息以文件流的形式返回
$tmpInfo = curl_exec ( $curl ); // 执行操作
if (curl_errno ( $curl )) {
curl_close ( $curl ); // 关闭CURL会话
die('Errno' . curl_error ( $curl )) ;
}
curl_close ( $curl ); // 关闭CURL会话
return $tmpInfo; // 返回数据
}
}
weather::getXML();

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