织梦CMS 动态导航下拉菜单的代码实例

动态导航下拉菜单的代码实例

1、修改include/taglib文件夹中的channel.lib.php文件，替换为如下内容：

1. <?php
2. /**
3. * 动态导航下拉菜单
4. * Edit www.zuimoban.com
5. * Date 2015-5-3
6. */
7. function lib_channel(&$ctag,&$refObj)
8. {
9. global $_sys_globals,$envs,$dsql;
10. $attlist = "typeid|0,reid|0,row|100,col|1,type|son,currentstyle|";
11. FillAttsDefault($ctag->CAttribute->Items,$attlist);
12. extract($ctag->CAttribute->Items, EXTR_SKIP);
13. $innertext = $ctag->GetInnerText();
14. if(empty($typeid) && $envs['typeid']!=0)
15. {
16. $typeid = $envs['typeid'];
17. $reid = $envs['reid'];
18. }else{
19. $reid=0;
20. }
21. if($type==''||$type=='sun') $type="son";
22. if($innertext=='') $innertext = GetSysTemplets("channel_list.htm");
23. if($reid==0 && $typeid>0)
24. {
25. $dbrow = $dsql->GetOne("Select reid From <a href="mailto:`dede_arctype">`dede_arctype</a>` where id='$typeid' ");
26. if(is_array($dbrow)) $reid = $dbrow['reid'];
27. }
28. $likeType = '';
29. if($type=='top')
30. {
31. $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,description
32. From <a href="mailto:`dede_arctype">`dede_arctype</a>` where reid=0 And ishidden<>1 order by sortrank asc limit 0,$row";
33. }
34. else if($type=="son")
35. {
36. //if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid'];
37. if($typeid==0) {
38. return '';
39. }
40. $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,description
41. From <a href="mailto:`dede_arctype">`dede_arctype</a>` where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row";
42. }
43. else if($type=="self")
44. {
45. if($reid==0) {
46. return '';
47. }
48. $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,description
49. From <a href="mailto:`dede_arctype">`dede_arctype</a>` where reid='$reid' And ishidden<>1 order by sortrank asc limit 0,$row";
50. }
51. //And id<>'$typeid'
52. $dtp2 = new DedeTagParse();
53. $dtp2->SetNameSpace("field","[","]");
54. $dtp2->LoadSource($innertext);
55. $dsql2 = clone $dsql;
56. $dsql->SetQuery($sql);
57. $dsql->Execute();
58. $line = $row;
59. $GLOBALS['autoindex'] = 0;
60. for($i=0;$i < $line;$i++)
61. {
62. if($col>1) $likeType .= "<dl>/r/n";
63. for($j=0;$j<$col;$j++)
64. {
65. if($col>1) $likeType .= "<dd>/r/n";
66. if($row=$dsql->GetArray())
67. {
68. if($type=='self' && $row['id']==$typeid) //处理同级栏目中，当前栏目的样式
69. {
70. if($currentstyle!='')
71. {
72. $linkOkstr = $currentstyle;
73. $row['typelink'] = GetOneTypeUrlA($row);
74. $linkOkstr = str_replace("~typelink~",$row['typelink'],$linkOkstr);
75. $linkOkstr = str_replace("~typename~",$row['typename'],$linkOkstr);
76. $likeType .= $linkOkstr;
77. }
78. }else
79. {
80. $row['typelink'] = $row['typeurl'] = GetOneTypeUrlA($row);
81. if(is_array($dtp2->CTags))
82. {
83. foreach($dtp2->CTags as $tagid=>$ctag){
84. if(isset($row[$ctag->GetName()]))
85. {
86. $dtp2->Assign($tagid,$row[$ctag->GetName()]);
87. }
88. elseif (preg_match('/^sonchannel[0-9]*$/',$ctag->GetName()))
89. {
90. $dtp2->Assign($tagid,lib_channel_son($ctag,$row['id'],$dsql2));
91. }
92. }
93. }
94. $likeType .= $dtp2->GetResult();
95. }
96. }
97. if($col>1) $likeType .= "</dd>/r/n";
98. $GLOBALS['autoindex']++;
99. }//Loop Col
100. if($col>1)
101. {
102. $i += $col - 1;
103. $likeType .= " </dl>/r/n";
104. }
105. }//Loop for $i
106. reset($dsql2);
107. $dsql->FreeResult();
108. return $likeType;
109. }
110. function lib_channel_son($ctag,$typeid = 0,$dsql2)
111. {
112. $attlist = "row|100,col|1,currentstyle|";
113. FillAttsDefault($ctag->CAttribute->Items,$attlist);
114. extract($ctag->CAttribute->Items, EXTR_SKIP);
115. $innertext = $ctag->GetInnerText();
116. $dsql3 = clone $dsql2;
117. $likeType = '';
118. //if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid'];
119. if($typeid==0) {
120. return '';
121. }
122. $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,description
123. From <a href="mailto:`dede_arctype">`dede_arctype</a>` where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row";
124. //And id<>'$typeid'
125. $dtp2 = new DedeTagParse();
126. $dtp2->SetNameSpace("field","[","]");
127. $dtp2->LoadSource($innertext);
128. $dsql2->SetQuery($sql);
129. $dsql2->Execute();
130. $line = $row;
131. for($i=0;$i < $line;$i++)
132. {
133. if($col>1) $likeType .= "<dl>/r/n";
134. for($j=0;$j<$col;$j++)
135. {
136. if($col>1) $likeType .= "<dd>/r/n";
137. if($row=$dsql2->GetArray())
138. {
139. $row['typelink'] = $row['typeurl'] = GetOneTypeUrlA($row);
140. if(is_array($dtp2->CTags))
141. {
142. foreach($dtp2->CTags as $tagid=>$ctag){
143. if(isset($row[$ctag->GetName()]))
144. {
145. $dtp2->Assign($tagid,$row[$ctag->GetName()]);
146. }
147. elseif (preg_match('/^sonchannel[0-9]*$/',$ctag->GetName()))
148. {
149. $dtp2->Assign($tagid,lib_channel_son($ctag,$row['id'],$dsql3));
150. }
151. }
152. }
153. $likeType .= $dtp2->GetResult();
154. }
155. if($col>1) $likeType .= "</dd>/r/n";
156. }//Loop Col
157. if($col>1)
158. {
159. $i += $col - 1;
160. $likeType .= " </dl>/r/n";
161. }
162. }//Loop for $i
163. reset($dsql3);
164. $dsql2->FreeResult();
165. return $likeType;
166. }
167. ?>
168. 2、调用示例
169. {dede:channel typeid='1'}
170. <li>
171. <a class="" href="[field:typeurl/]" title="">[field:typename/]
172. <img src="***.gif" /></a>
173. <div class="sub">
174. <ul>
175. [field:sonchannel0]<li><a href="[field:typeurl/]">[field:typename/]</a></li>[/field:sonchannel0]
176. </ul>
177. </div>
178. </li>
179. {/dede:channel}