利用JS生成博文目录及CSS定制博客

<script language="javascript" type="text/javascript">// 生成两级目录索引列表function GenerateContentList(){ var mainContent = $('#cnblogs_post_body'); var h2_list = $('#cnblogs_post_body h2');　　//如果你的章节标题不是h2,只需要将这里的h2换掉即可 if(mainContent.length < 1)  return;  if(h2_list.length>0) {  var content = '<a name="_labelTop"></a>';  content += '<div id="navCategory">';  content += '<p style="font-size:18px"><b>目录</b></p>';  content += '<ul>';  for(var i=0; i<h2_list.length; i++)  {   var go_to_top = '<div style="text-align: right"><a href="#_labelTop">回到顶部</a><a name="_label' + i + '"></a></div>';   $(h2_list[i]).before(go_to_top);      var h3_list = $(h2_list[i]).nextAll("h3");   var li3_content = '';   for(var j=0; j<h3_list.length; j++)   {    var tmp = $(h3_list[j]).prevAll('h2').first();    if(!tmp.is(h2_list[i]))     break;    var li3_anchor = '<a name="_label' + i + '_' + j + '"></a>';    $(h3_list[j]).before(li3_anchor);    li3_content += '<li><a href="#_label' + i + '_' + j + '">' + $(h3_list[j]).text() + '</a></li>';   }      var li2_content = '';   if(li3_content.length > 0)    li2_content = '<li><a href="#_label' + i + '">' + $(h2_list[i]).text() + '</a><ul>' + li3_content + '</ul></li>';   else    li2_content = '<li><a href="#_label' + i + '">' + $(h2_list[i]).text() + '</a></li>';   content += li2_content;  }if($('#cnblogs_post_body').length != 0 )  {   $($('#cnblogs_post_body')[0]).prepend(content);  } } }GenerateContentList();</script>

#cnblogs_post_body h2 { background-repeat: no-repeat; background-image: url('http://xxxx');}