php 天气预报代码一例

2. /**
3. * php 天气预报代码
4. * by bbs.it-home.org
5. */
6. if(!isset($_GET['q'])){
7. //根据IP查询所在地
8. $p = file_get_contents("http://bbs.it-home.org/ip/?q={$_SERVER['HTTP_X_FORWARDED_FOR']}");
9. }
10. else{
11. $p = $_GET['q'];
12. }
13. $k = 0;
14. $encoding = mb_detect_encoding($p);
15. if($encoding != "UTF-8"){
16. $p = mb_convert_encoding($p,"utf-8","gbk");
17. }
18. $p_arr = array(
19. "01" => "北京",
20. "02" => "上海",
21. "03" => "天津",
22. "04" => "重庆",
23. "05" => "黑龙江",
24. "06" => "吉林",
25. "07" => "辽宁",
26. "08" => "内蒙古",
27. "09" => "河北",
28. "10" => "山西",
29. "11" => "陕西",
30. "12" => "山东",
31. "13" => "*",
32. "14" => "*",
33. "15" => "青海",
34. "16" => "甘肃",
35. "17" => "宁夏",
36. "18" => "河南",
37. "19" => "江苏",
38. "20" => "湖北",
39. "21" => "浙江",
40. "22" => "安徽",
41. "23" => "福建",
42. "24" => "江西",
43. "25" => "湖南",
44. "26" => "贵州",
45. "27" => "四川",
46. "28" => "广东",
47. "29" => "云南",
48. "30" => "广西",
49. "31" => "海南",
50. "32" => "香港",
51. "33" => "澳门",
52. "34" => "*"
53. );
55. function find(&$item,$key,$data){
56. global $k;
57. if(preg_match("/$item/u",$data)){
58. $k = $key;
59. }
60. }
62. function get_data_arr($key){
63. if(!file_exists("./data/city{$key}.xml")){
64. $c =file_get_contents( "http://m.weather.com.cn/data5/city{$key}.xml" );
65. file_put_contents("./data/city{$key}.xml",$c);
66. }
67. else{
68. $c = file_get_contents("./data/city{$key}.xml");
69. }
70. $arr = explode(",",$c);
71. foreach($arr as $v){
72. $data = explode("|",$v);
73. $ret[$data[0]] = $data[1];
74. }
75. return $ret;
76. }
78. array_walk($p_arr,'find',$p);
79. array_walk(get_data_arr($k),'find',$p);
80. array_walk(get_data_arr($k),'find',$p);
81. $ccode = get_data_arr($k);
82. echo file_get_contents("http://m.weather.com.cn/data/{$ccode[$k]}.html");
83. ?>

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