核桃说笔记

点击展开看更多内容的效果：

<div class="ht_div14">
   <div class="ht_div15">
      <p class="ht_p19">
         <img src="{$answerx['author_avartar']}" class="ht_img17" />
         <img src="{SITE_URL}static/pc/img/sy14.png" class="ht_img18" style="display:none" />
      </p>

      <div class="ht_div16">
         <div class="ht_div17">
            <p class="ht_p20">{$answerx['author']}</p>
            <!--<p class="ht_p21"></p>
            <p class="ht_p22">{$answerx['author_groupname']}</p>-->
         </div>

         <p class="ht_p23">
            <span>{$answerx['time']}</span>
         </p>
      </div>
   </div>

   <div class="ht_p25">
      <div class="ht_p25_yincang">
         部分内容。。。。。。
      </div>
      <p class="ht_p46">
         <span>展开全部</span>
         <img src="{SITE_URL}static/pc/img/sy07.png" />
      </p>
   </div>

   
</div>

<script type="text/javascript">
        /*点击展开全部效果*/
        $(function() {
            $(".ht_div14").each(function() {
                var hh = $(this).find(".ht_p25").height();
                var zk = $(this).find(".ht_p46").html();
                if(hh > 400&&zk) {
                    $(this).find(".ht_p25").css("max-height", "400px");
                    $(this).find(".ht_p25 .ht_p46").show();
                }
            })
        })

        $(".ht_p46").on("click", function() {
            $(this).hide();
            $(this).parents(".ht_p25").css("max-height", "none");
        })
    </script>

搜索关键词高亮显示：公共方法

//srl 7-23 搜索覌點，覌點高亮变色修改
function highlightDesc($content, $words, $highlightcolor = 'red') {
    $wordlist = explode ( " ", $words );
    foreach ( $wordlist as $hightlightword ) {
        if (strlen ( $content ) < 1 || strlen ( $hightlightword ) < 1) {
            return $content;
        }
        $content = preg_replace ( "/$hightlightword/is", "<font color=#D5615B><strong>\0</strong></font>", $content );
    }
    return $content;
}

使用方法：控制器方法：使用上面方法进行高亮显示

    //关键词搜索
    function get_by_likename($word, $start = 0, $limit = 6) {
        $topiclist = array ();

        $query = $this->db->query ( "SELECT * FROM " . $this->db->dbprefix . "answer WHERE content like '%$word%' order by id desc LIMIT $start,$limit" );
// var_dump($query->result_array ());die;
        foreach ( $query->result_array () as $topic ) {
            $topic ['title'] = checkwordsglobal ( $topic ['title'] );
            $topic ['describtion'] = checkwordsglobal ( $topic ['content'] );
            $topic ['title'] = highlightDesc ( $topic ['title'], $word );
$topic ['describtion'] = highlightDesc (  strip_tags ( $topic ['content'] ), $word );$topiclist [] = $topic;
        }

        return $topiclist;
    }
剥去字符串中的 HTML 标签：

strip_tags

页面中使用topiclist  函数遍历显示在页面中即可