php 多语言切换

目录结构： //============================================ 文件内容： /include/language.

目录结构：

//============================================

文件内容：

/include/language.

Java代码

2. $languages = array ();
3. $languages ['zh-cn'] ["name"] = "china";
4. $languages ["zh-cn"] ["image"] = "flag1.jpg";
5. $languages ["en"] ["name"] = "english";
6. $languages ["en"] ["image"] = "flag2.jpg";
7. class Language {
8. public $language_area;
9. public $language_country;
10. public $language_dir;
11. public $dir;
12. public function __construct() {
13. $this->dir = str_replace ( "\\", "/", dirname ( __FILE__ ) ) . "/language/";
14. $this->initDefaultLanguage ();
15. if (empty ( $this->language_country ) && ! empty ( $this->language_area )) {
16. $this->language_country = substr ( $this->language_area, 0, strpos ( $this->language_area, "-" ) );
17. }
18. $this->initLanguageDir ();
19. }
21. /*
22. 取得语言文件的绝对路径
23. */
24. public function getFileDir($file) {
25. $dir = $this->dir;
26. if (file_exists ( $this->getLanguageDir () . $file )) {
27. return $this->getLanguageDir () . $file;
28. } else if (file_exists ( $dir . $this->language_area . "/" . $file )) {
29. return $dir . $this->language_area . "/" . $file;
30. } else if (file_exists ( $dir . $this->language_country . "/" . $file )) {
31. return $dir . $this->language_country . "/" . $file;
32. } else if (file_exists ( $dir . "en/" . $file )) {
33. return $dir . "en/" . $file;
34. } else {
35. return false;
36. }
37. }
38. /*
39. 取得当前使用语言的文件夹
40. */
41. public function getLanguageDir() {
42. return $this->language_dir;
43. }
45. /*
46. 初始化语言文件夹
47. */
48. private function initLanguageDir() {
49. $dir = $this->dir;
50. if (file_exists ( $dir . $this->language_area ) && ! empty ( $this->language_area )) {
51. $this->language_dir = $dir . $this->language_area . "/";
52. } else if (file_exists ( $dir . $this->language_country ) && ! empty ( $this->language_country )) {
53. $this->language_dir = $dir . $this->language_country . "/";
54. } else {
55. $this->language_dir = $dir . "en/";
56. }
57. }
59. /*
60. 初始化默认语言
61. */
62. public function initDefaultLanguage() {
63. if ($this->getCookieLanguage ()) {
64. return;
65. }
66. $language = $_SERVER ['HTTP_ACCEPT_LANGUAGE'];
67. preg_match_all ( "/[\w-]+/", $language, $language );
68. $this->language_area = $language [0] [0];
69. @$this->language_country = $language [0] [1];
70. $this->setCookieLanguage ();
71. }
73. /*
74. 从cookie中导入语言种类
75. */
76. public function getCookieLanguage() {
77. if (! @empty ( $_COOKIE ['lang'] )) {
78. $language = $_COOKIE ['lang'];
79. if (strpos ( $language, "-" )) {
80. $this->language_area = $language;
81. } else {
82. $this->language_country = $language;
83. }
84. return true;
85. }
86. return false;
87. }
89. /*
90. 把当前的语言种类放到cookie中
91. */
92. public function setCookieLanguage($lang = "") {
93. if (empty ( $lang )) {
94. $lang = $this->language_area;
95. }
96. if (empty ( $lang )) {
97. $lang = $this->language_country;
98. }
99. if (empty ( $lang )) {
100. return false;
101. }
102. setcookie ( "lang", $lang, time () + 365 * 24 * 3600, "/", $this->getDomain () );
103. return true;
104. }
106. public function getDomain() {
107. if (empty ( $this->domain )) {
108. $domain = $_SERVER ['SERVER_NAME'];
109. if (strcasecmp ( $domain, "localhost" ) === 0) {
110. $this->domain = $domain;
111. return $this->domain;
112. }
113. if (preg_match ( "/^(\d+\.){3}\d+$/", $domain, $domain_temp )) {
114. $this->domain = $domain_temp [0];
115. return $this->domain;
116. }
117. preg_match_all ( "/\w+\.\w+$/", $domain, $domain );
118. $this->domain = $domain [0] [0];
119. return $this->domain;
120. } else {
121. return $this->domain;
122. }
123. }
124. }
125. ?>

/include/language/zh-cn/language.

Java代码

2. $language_message["china"]="中文";
3. $language_message["english"]="英文";
4. ?>

/include/language/en/language.

Java代码

2. $language_message["china"]="china";
3. $language_message["english"]="english";
4. ?>

/chang_language.

Java代码

2. include_once 'header.;
3. include_once 'header.tpl';
4. $language_file=$lang->getFileDir("language.);
5. include($language_file);
6. ?>
8. • foreach($languages as $key=>$value)
   • {
   • echo '
   • ,$key,'\')"';
   • echo '>',$language_message[$languages[$key]["name"]],' "],'" border="0"/>
   ';
   • }
   • ?>

/header.

Java代码

2. include_once (dirname ( __FILE__ ) . "/include/language.);
3. $lang = new Language ( );
4. //print_r($lang->language_area);
5. $current_language = getCurrentLanguage ();
6. //print_r($current_language);
7. function getCurrentLanguage() {
8. global $lang, $languages;
9. if (array_key_exists ( $lang->language_area, $languages )) {
10. return $lang->language_area;
11. } else if (array_key_exists ( $lang->language_country, $languages )) {
12. return $lang->language_country;
13. } else {
14. return "en";
15. }
17. }
18. ?>

/header.tpl

Html代码

1. >
2. <html xmlns="http://www.w3.org/1999/xhtml">
3. <head>
4. <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5. <title>多语言测试title>
6. <link href="css/css.css" rel="stylesheet" type="text/css" />
7. <script type="text/javascript" src="javascript/prototype_1_6.js">script>
8. head>

/test_language.

Java代码

2. include_once 'header.;
3. include_once 'header.tpl';
4. $language_file = $lang->getFileDir ( "speak_language. );
5. require_once ($language_file);
7. print_r($speak_language_message);
8. ?>

测试地址为：http://127.0.0.1/multiple_language/chang_language.

localhost不能使用，正式域名及IP地址可以使用。