emlog代码实现seo优化

1. <?php
2. if(!defined('EMLOG_ROOT')) {exit('error!');}
4. global $CACHE;
6. $Have_Sort_Cache = $CACHE->readCache('sort');
7. $Have_User_Cache = $CACHE->readCache('user');
8. $Have_Options_Cache = $CACHE->readCache('options');
9. $Have_Log_Cache_Tags = $CACHE->readCache('logtags');
10. $Have_Log_Cache_Sort = $CACHE->readCache('logsort');
12. $Log_Model = new Log_Model();
14. if($type=='blog'){
15. extract($Log_Model->neighborLog($timestamp));
16. }
18. $Body_Title = $Have_Options_Cache['site_title'] ? $Have_Options_Cache['site_title'] : $Have_Options_Cache['blogname'];
20. if( $params[1]=='page' ){
21. $Body_Page = '第'.htmlspecialchars(urldecode($params[2])).'页_';
22. }
24. if( $params[4]=='page' ){
25. $Body_Page = '第'.htmlspecialchars(urldecode($params[5])).'页_';
26. }
28. if($tws){
29. preg_match_all('|^.*/\?(page)=(\d+)([\?&].*)?$|',Dispatcher::setPath(),$Preferred);
30. $emDispatcher = Dispatcher::setPath();
31. if( $Preferred[1][0]=='page' ){
32. $Body_Page = '第'.htmlspecialchars(urldecode($Preferred[2][0])).'页_';
33. }
34. }
36. if (!empty($Have_Log_Cache_Tags[$logid])) {
37. foreach ($Have_Log_Cache_Tags[$logid] as $value) {
38. $Have_Log_key .= $value['tagname'].',';
39. }
40. }
42. if(!empty($Have_Log_Cache_Sort[$logid])){
43. $Log_Sort_Name = $Have_Log_Cache_Sort[$logid]['name'];
44. }
46. if(empty($Have_Log_key)){
47. $Log_KeyWords = stripslashes($Log_Sort_Name);
48. }else{
49. $Log_KeyWords = $Have_Log_key;
50. }
52. if( blog_tool_ishome() ){
54. $web_title = $Have_Options_Cache['site_title'];
55. $web_keywords = $Have_Options_Cache['site_key'];
56. $web_description = $Have_Options_Cache['site_description'];
58. }elseif( $params[1]=='sort' ){
60. $web_title = $Have_Sort_Cache[$sortid]['sortname'].'_'.$Body_Page.$Body_Title;
61. $web_keywords = $Have_Sort_Cache[$sortid]['sortname'];
62. $web_description = $Have_Sort_Cache[$sortid]['description'];
64. }elseif( $params[1]=='tag' ){
66. $web_title = stripslashes($tag).'_'.$Body_Page.$Body_Title;
67. $web_keywords = stripslashes($tag);
68. $web_description = $Have_Options_Cache['blogname']."'".stripslashes($tag)."'";
70. }elseif( $params[1]=='keyword' || $params[1]=='?keyword=' ){
72. $web_title = '搜索结果 '.$keyword.'_'.$Body_Page.$Body_Title;
73. $web_keywords = stripslashes($keyword);
74. $web_description = $Have_Options_Cache['blogname'].": '".stripslashes($keyword)."' 的搜索結果";
76. }elseif( $params[1]=='author' ){
78. $web_title = $Have_User_Cache[$author]['name'].'_'.$Body_Page.$Body_Title;
79. $web_keywords = $Have_User_Cache[$author]['name'];
80. $web_description = $Have_Options_Cache['blogname']."'".$Have_User_Cache[$author]['name']."'";
82. }elseif( $params[1]=='record' ){
84. $web_title = stripslashes($params[2]).'_'.$Body_Page.$Body_Title;
85. $web_keywords = stripslashes($params[2]);
86. $web_description = $Have_Options_Cache['blogname'].": '".stripslashes($params[2])."' 的文章列表";
88. }elseif( $type == 'blog' ){
90. $web_title = stripslashes($log_title).'_'.$Body_Title;
91. $web_keywords = $Log_KeyWords;
92. $web_description = extractHtmlData($log_content, 90);
94. if($prevLog){
95. $web_prev = "<link rel='prev' title='{$prevLog['title']}' href='".Url::log($prevLog['gid'])."' />";
96. }
98. if($nextLog && $prevLog){
100. }
102. if($nextLog){
103. $web_next = "<link rel='next' title='{$nextLog['title']}' href='".Url::log($nextLog['gid'])."' />";
104. }
106. $web_canonical = "<link rel='canonical' href='".URL::log($logid)."' />";
107. $web_shortlink = "<link rel='shortlink' href='".BLOG_URL."?post={$logid}' />";
109. }elseif( $type == 'page' ){
111. $web_title = stripslashes($log_title).'_'.$Body_Title;
112. $web_keywords = stripslashes($log_title);
113. $web_description = extractHtmlData($log_content, 90);
115. }elseif( $tws ){
117. $web_title = '微语_'.$Body_Page.$Body_Title;
118. $web_keywords = stripslashes($log_title);
119. $web_description = extractHtmlData($log_content, 90);
121. }
123. echo "<title>{$web_title}</title>\n<meta name=\"generator\" content=\"Emlog ".Option::EMLOG_VERSION."\" />";
125. if( $type == 'blog' ){
126. if($prevLog){
127. echo "\n".$web_prev;
128. }
130. if($nextLog && $prevLog){
132. }
134. if($nextLog){
135. echo "\n".$web_next;
136. }
137. echo "\n".$web_canonical."\n".$web_shortlink;
138. }
140. echo "\n<meta name=\"keywords\" content=\"{$web_keywords}\" />\n<meta name=\"description\" content=\"{$web_description}\" />";
142. ?>

之后再在模板的 header.php 当中加载此文件即可：require_once View::getView('breadcrumb-template');

这样可以使博客的SEO得到较好的优化，emlog博客强烈推荐