php调用yahoosinaapi天气预报的实现代码

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");

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();