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php调用yahoo sina api天气预报的实现代码

程序员文章站 2024-01-13 21:23:22
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  2. header ( 'Content-Type: text/html; charset = utf-8' );
  3. class weather {
  4. static $url = 'http://xml.weather.yahoo.com/forecastrss?u=c&w=';
  5. static $city = 'Beijing'; //默认城市北京 这里要注意的是 city 要填拼音 我试过用中文有好几个地区都调用不到
  6. static $weatherXML = '';
  7. static $woeid_file = "woeid";
  8. static $file_path = "data/";
  10. /**
  11. * 获得远程xml并缓存到本地
  12. */
  13. static public function getXML($city = null) {
  15. if ($city != null){
  16. self::$city = $city;
  17. }
  18. self::$weatherXML = self::$file_path . md5(self::$city) . '-weather.xml';
  19. if (file_exists( self::$weatherXML )) {
  20. $fileTime = filemtime ( self::$weatherXML );
  21. $stater = time () - $fileTime - 60 * 60 * 2;
  22. if ($stater > 0) {
  23. return true;
  24. }
  25. }
  26. //获取woeid
  27. $woeid = self::getWOEID();
  28. self::$url = self::$url . $woeid[0];
  29. //获取当天 天气
  30. $XML = self::vget(self::$url);
  31. //保存当天 天气到文件
  32. self::cacheXML($XML);
  34. self::analysisXML($XML);
  35. }
  37. static public function analysisXML($simple) {
  39. $p = xml_parser_create();
  41. xml_parse_into_struct($p, $simple, $vals, $index);
  43. xml_parser_free($p);
  45. //本周天气
  46. $weekindex = $index['YWEATHER:FORECAST'];
  47. $week = array();
  48. foreach($weekindex as $k=>$v){
  49. $week[$k] = $vals[$v]['attributes'];
  50. }
  51. unset($index);
  52. unset($vals);
  53. print_r($week);
  54. /*
  56. * day 星期
  57. * date 日期
  58. * low 最低温度
  59. * high 最高温度
  60. * test 天气状态
  61. * code 天气图标
  62. */
  63. }
  64. /*
  65. * 取得地区WOEID码
  66. */
  67. static private function getWOEID(){
  68. static $woeid = array();
  70. if(isset($woeid[self::$city])){
  71. return $woeid[self::$city];
  72. }
  74. if (file_exists( self::$file_path . self::$woeid_file )) {
  75. $woeidSTR = file_get_contents(self::$file_path . self::$woeid_file);
  76. $woeid = json_decode($woeidSTR , true);
  77. if(isset($woeid[self::$city])){
  78. return $woeid[self::$city];
  79. }
  80. }
  81. $geoPlaces = "http://query.yahooapis.com/v1/public/yql?q=select%20woeid%20from%20geo.places%20where%20text='".self::$city."%20CH'";
  83. $XML = simplexml_load_file( $geoPlaces );
  85. if(isset($XML->results->place[0])){
  86. $rs = $woeid[self::$city] = $XML->results->place[0]->woeid;
  87. //保存到文件
  88. $woeidSTR = json_encode($woeid);
  89. file_put_contents(self::$file_path . self::$woeid_file, $woeidSTR);
  90. return $rs;
  91. }else{
  92. //如果找不到城市 woeid 默认城市就改为 北京
  93. self::$city = "Beijing";
  95. return self::getWOEID();
  96. }
  97. }
  98. /**
  99. * 创建xml缓存
  100. * @param $contents 要缓存的内容
  101. */
  102. static private function cacheXML($contents) {
  103. $contents = str_ireplace ( '', " \n", $contents );
  104. $contents = mb_convert_encoding ( $contents, 'utf-8', 'gbk' );
  105. file_put_contents ( self::$weatherXML, $contents ) or die ( '没有写权限' );
  106. }
  107. /**
  108. * 模拟获取内容函数
  109. * @param type $url
  110. * @return type
  111. */
  113. static private function vget($url) {
  114. $user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)";
  115. $curl = curl_init (); // 启动一个CURL会话
  116. curl_setopt ( $curl, CURLOPT_URL, $url ); // 要访问的地址
  117. curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, 0 ); // 对认证证书来源的检查
  118. curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, 1 ); // 从证书中检查SSL加密算法是否存在
  119. curl_setopt ( $curl, CURLOPT_USERAGENT, $user_agent ); // 模拟用户使用的浏览器
  120. @curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转
  121. curl_setopt ( $curl, CURLOPT_AUTOREFERER, 1 ); // 自动设置Referer
  122. curl_setopt ( $curl, CURLOPT_HTTPGET, 1 ); // 发送一个常规的Post请求
  123. curl_setopt ( $curl, CURLOPT_TIMEOUT, 120 ); // 设置超时限制防止死循环
  124. curl_setopt ( $curl, CURLOPT_HEADER, 0 ); // 显示返回的Header区域内容
  125. curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 ); // 获取的信息以文件流的形式返回
  126. $tmpInfo = curl_exec ( $curl ); // 执行操作
  127. if (curl_errno ( $curl )) {
  128. curl_close ( $curl ); // 关闭CURL会话
  129. die('Errno' . curl_error ( $curl )) ;
  130. }
  131. curl_close ( $curl ); // 关闭CURL会话
  132. return $tmpInfo; // 返回数据
  133. }
  134. }
  135. weather::getXML("Changsha");
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2，新浪天气 地址：http://php.weather.sina.com.cn 代码：

  2. header ( 'Content-Type: text/html; charset = utf-8' );
  4. class weather {
  5. static $url = 'http://php.weather.sina.com.cn/xml.php?password=DJOYnieT8234jlsK&day=0&city=';//password是固定值
  6. static $city = '%B1%B1%BE%A9'; //默认城市北京
  7. static $weatherXML = '';
  8. static $file_path = "data/";
  9. /**
  10. * 获得远程xml并缓存到本地
  11. */
  12. static public function getXML($city = null) {
  14. if ($city != null){
  15. $city = mb_convert_encoding ( $city, 'gbk', 'utf-8' );
  16. self::$city = urlencode($city);
  17. }
  18. self::$weatherXML = self::$file_path . md5(self::$city) . '-weather.xml';
  20. if (file_exists( self::$weatherXML )) {
  21. $fileTime = filemtime ( self::$weatherXML );
  22. $stater = time () - $fileTime - 60 * 60 * 2;
  23. if ($stater > 0) {
  24. return true;
  25. }
  26. }
  28. $contents = self::vget( self::$url . self::$city );
  30. self::cacheXML ( $contents );
  32. self::analysisXML();
  34. }
  35. /**
  36. * 解析xml
  37. */
  38. static public function analysisXML() {
  40. $XML = simplexml_load_file(self::$weatherXML );
  41. print_r($XML);
  42. }
  44. /**
  45. * 创建xml缓存
  46. * @param $contents 要缓存的内容
  47. */
  48. static private function cacheXML($contents) {
  49. $contents = str_ireplace ( '', " \n", $contents );
  50. file_put_contents ( self::$weatherXML, $contents ) or die ( '没有写权限' );
  51. }
  52. /**
  53. * 模拟获取内容函数
  54. * @param type $url
  55. * @return type
  56. */
  58. static private function vget($url) {
  59. $user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)";
  60. $curl = curl_init (); // 启动一个CURL会话
  61. curl_setopt ( $curl, CURLOPT_URL, $url ); // 要访问的地址
  62. curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, 0 ); // 对认证证书来源的检查
  63. curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, 1 ); // 从证书中检查SSL加密算法是否存在
  64. curl_setopt ( $curl, CURLOPT_USERAGENT, $user_agent ); // 模拟用户使用的浏览器
  65. @curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转
  66. curl_setopt ( $curl, CURLOPT_AUTOREFERER, 1 ); // 自动设置Referer
  67. curl_setopt ( $curl, CURLOPT_HTTPGET, 1 ); // 发送一个常规的Post请求
  68. curl_setopt ( $curl, CURLOPT_TIMEOUT, 120 ); // 设置超时限制防止死循环
  69. curl_setopt ( $curl, CURLOPT_HEADER, 0 ); // 显示返回的Header区域内容
  70. curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 ); // 获取的信息以文件流的形式返回
  71. $tmpInfo = curl_exec ( $curl ); // 执行操作
  72. if (curl_errno ( $curl )) {
  73. curl_close ( $curl ); // 关闭CURL会话
  74. die('Errno' . curl_error ( $curl )) ;
  75. }
  76. curl_close ( $curl ); // 关闭CURL会话
  77. return $tmpInfo; // 返回数据
  78. }
  79. }
  80. weather::getXML();
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