先看看完成后的效果圖:
	
下面一步步來實現這樣的效果。
首先我們把這個篩選模塊的html結構寫出來,如下:
- <!--搜索區(qū)域開始-->
 - <div class="center">
 - <div class="search_area-top"></div>
 - <div style="POSITION: relative" class="search_area-center">
 - <div class="search_area-text" id="Tzone">
 - <h1>區(qū)域:</h1>
 - <ul>
 - <li class="selected"><a href="javascript:goSort('Tzone',0)">全部</a></li>
 - <li><a href="javascript:goSort('Tzone',1)">桂林</a></li>
 - <li><a href="javascript:goSort('Tzone',2)">上海</a> </li>
 - <li><a href="javascript:goSort('Tzone',3)">南寧</a> </li>
 - </ul>
 - </div>
 - <div class="search_area-text2" id="Tarea">
 - <h1>面積:</h1>
 - <ul>
 - <li class="selected"><a href="javascript:goSort('Tarea',0);">全部</a> </li>
 - <li><a href="javascript:goSort('Tarea',1);">500平米以下</a>
 - </li>
 - <li><a href="javascript:goSort('Tarea',2);">500-1000平米</a>
 - </li>
 - <li><a href="javascript:goSort('Tarea',3);">1000-1500平米</a>
 - </li>
 - <li><a href="javascript:goSort('Tarea',8);">1500平米以上</a>
 - </li></ul></div>
 - <div class="search_area-text2" id="Tprice">
 - <h1>租金:</h1>
 - <ul>
 - <li class="selected"><a href="javascript:goSort('Tprice',0);">全部</a> </li>
 - <li><a href="javascript:goSort('Tprice',1);">10元/平米以下</a>
 - </li>
 - <li><a href="javascript:goSort('Tprice',2);">10-15元/平米</a>
 - </li>
 - <li><a href="javascript:goSort('Tprice',3);">15-20元/平米</a>
 - </li>
 - <li><a href="javascript:goSort('Tprice',4);">20-25元/平米</a>
 - </li>
 - <li><a href="javascript:goSort('Tprice',5);">25元/平米以上</a>
 - </li></ul></div>
 - <div class="search_area-text2" id="Tfloor">
 - <h1>樓層:</h1>
 - <ul>
 - <li class="selected"><a href="javascript:goSort('Tfloor',0);">全部</a> </li>
 - <li><a href="javascript:goSort('Tfloor',1);">一樓</a> </li>
 - <li><a href="javascript:goSort('Tfloor',2);">二樓以上</a>
 - </li>
 - </ul>
 - </div>
 - <div class="search_area-text2" id="Tstructure">
 - <h1>結構:</h1>
 - <ul>
 - <li class="selected"><a href="javascript:goSort('Tstructure',0);">全部</a> </li>
 - <li><a href="javascript:goSort('Tstructure',1);">標準廠房</a>
 - </li>
 - <li><a href="javascript:goSort('Tstructure',2);">簡易廠房</a>
 - </li>
 - <li><a href="javascript:goSort('Tstructure',3);">鋼結構</a>
 - </li>
 - <li><a href="javascript:goSort('Tstructure',4);">其他</a>
 - </li>
 - </ul>
 - </div>
 - </div>
 - <div class="search_area-foot"></div>
 - </div>
 - <!--搜索區(qū)域結束-->
 
然后在skin/default/sell.css里,為此模塊增加相應的css,如下:
- /*For search nav*/
 - .search_area-top{background:url(image/searcharea_top.jpg) no-repeat; height:16px;}
 - .search_area-center{ border-left:1px solid #f4c0a7; border-right:1px solid #f4c0a7; background:#FFFFFF; padding-left:22px; line-height:20px;}
 - .search_area-center2{ border-left:1px solid #f4c0a7; border-right:1px solid #f4c0a7; background:#FFFFFF; padding-left:30px; padding-right:20px;}
 - .search_area-text{ overflow:hidden; height:100%; padding-top:5px; padding-bottom:5px;}
 - .search_area-text h1{ color:#6a6a6a; font-weight:bold; float:left; font-size:12px; margin:0px; padding:0px;}
 - .search_area-text ul{ margin:0; padding:0; list-style:none; float:left; overflow:hidden; height:100%; width:710px;}
 - .search_area-text li{ list-style:none; color:#6a6a6a; float:left; width:50px; padding-left:8px; padding-right:5px; white-space:nowrap}
 - .search_area-text li a{ list-style:none; color:#6a6a6a;}
 - .search_area-text li a:hover{ list-style:none; color:#ed6b2e; font-weight:bold; text-decoration:underline;}
 - .search_area-text li.selected{color:#ed6b2e; font-weight:bold;}
 - .search_area-text li.selected a{color:#ed6b2e;}
 - .search_area-text li.selected a:hover{color:#ed6b2e;}
 - .search_area-textdown{ overflow:hidden; height:100%; width:705px; padding-top:5px; padding-bottom:3px; background:#fff7f5}
 - .search_area-textdown ul{ margin:0; padding:0; list-style:none; float:left; overflow:hidden; height:100%;}
 - .search_area-textdown li{ list-style:none; color:#ed8d61; text-decoration:underline; float:left; padding-left:10px; padding-right:10px;}
 - .search_area-textdown li a{color:#ed8d61; text-decoration:underline;}
 - .search_area-textdown li a:hover{color:#ed8d61; text-decoration:underline;}
 - .search_area-textdown li.selected{color:#ed8d61; font-weight:bold;}
 - .search_area-text2{ overflow:hidden; height:100%; padding-top:5px; padding-bottom:5px;}
 - .search_area-text2 h1{ color:#6a6a6a; font-weight:bold; float:left; font-size:12px; margin:0px; padding:0px;}
 - .search_area-text2 ul{ margin:0; padding:0; list-style:none; float:left; overflow:hidden; height:100%; width:710px;}
 - .search_area-text2 li{ list-style:none; font-family:Verdana, Arial, Helvetica, sans-serif; color:#6a6a6a; float:left; padding-left:8px; padding-right:5px; white-space:nowrap}
 - .search_area-text2 li a{ list-style:none; color:#6a6a6a;}
 - .search_area-text2 li a:hover{ list-style:none; color:#ed6b2e; font-weight:bold; text-decoration:underline;}
 - .search_area-text2 li.selected a{color:#ed6b2e; font-weight:bold;}
 - .search_area-foot{background:url(image/searcharea_foot.jpg) no-repeat; height:18px;}
 
下一步,為此模塊增加javascript代碼來進行控制,如下:
(這里使用到了jquery,所以需要在template/default/sell/index.htm 頁里先引入jquery 1.7版本;
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>)
下面添加控制的js代碼:
- function getQueryString(){
 - var result = location.search.match(new RegExp("[\?\&][^\?\&]+=[^\?\&]+","g"));
 - if(result == null){
 - return "";
 - }
 - for(var i = 0; i < result.length; i++){
 - result[i] = result[i].substring(1);
 - }
 - return result;
 - }
 - function goSort(name,value){
 - var string_array = getQueryString();
 - var oldUrl = (document.URL.indexOf("index.php")==-1)?document.URL+"index.php":document.URL;
 - var newUrl;
 - if(string_array.length>0)//如果已經有篩選條件
 - { var repeatField = false;
 - for(var i=0;i<string_array.length;i++){
 - if(!(string_array[i].indexOf(name)==-1)){
 - repeatField = true;//如果有重復篩選條件,替換條件值
 - newUrl = oldUrl.replace(string_array[i],name+"="+value);
 - }
 - }
 - //如果沒有重復的篩選字段
 - if(repeatField == false){
 - newUrl = oldUrl+"&"+name+"="+value;
 - }
 - }else{//如果還沒有篩選條件
 - newUrl = oldUrl+"?"+name+"="+value;
 - }
 - //跳轉
 - window.location = newUrl;
 - }
 - function setSelected(name,value){
 - var all_li = $("#"+name).find("li");
 - //清除所有l(wèi)i標簽的selected類
 - all_li.each(function(){
 - $(this).removeClass("selected");
 - });
 - //為選中的li增加selected類
 - all_li.eq(value).addClass("selected");
 - }
 - $(document).ready(function(){
 - var string_array = getQueryString();
 - for(var i=0;i<string_array.length;i++){
 - var tempArr = string_array[i].split("=");
 - setSelected(tempArr[0],tempArr[1]);//設置選中的篩選條件
 - }
 - });
 
進入系統(tǒng)后臺,在供應模塊的模塊設置里增加幾個自定義字段,字段對應篩選模塊的篩選條件:
	
因為我們是以get方式來提交篩選條件的,所以需要對sell/index.php做一些調整,把接收到的篩選參數加入到當前變量表中,
這樣當module/sell/index.inc.php調用相應的index.htm模板時,可以以變量的方式在頁面取到篩選條件的值,修改如下:
- <?php
 - define('DT_REWRITE', true);
 - require 'config.inc.php';
 - require '../common.inc.php';
 - extract($GET,EXTR_OVERWRITE);//篩選條件參數加入到當前變量列表
 - require DT_ROOT.'/module/'.$module.'/index.inc.php';
 - ?>
 
接下來我們要做的就是根據篩選條件,刷新頁面這一塊的內容就行了:
	
這一塊在template/default/sell/index.htm頁面里是以標簽的方式來調用內容的:
- <!--{tag("moduleid=$moduleid&condition=status=3$dtype&areaid=$cityid&catid=$catid&pagesize=".$MOD[pagesize]."&page=$page&showpage=1&datetype=5&order=".$MOD[order]."&fields=".$MOD[fields]."&template=list-sell")}-->
 
所以我們只要把篩選條件拼接到condition里,就可以了,當然篩選條件還需要進行一些處理,這里我寫死了,改成如下代碼:
- {php $condition = "status=3";}
 - {php $Tarea_array = array(1=>'czzmj<500',2=>'czzmj between 500 and 1000',3=>'czzmj between 1000 and 1500',4=>'czzmj>1500');}
 - {php $Tprice_array = array(1=>'price=10',2=>'price between 10 and 15',3=>'price between 15 and 20',4=>'price between 20 and 25',5=>'price>25');}
 - {php $Tfloor_array = array(1=>'floor=1',2=>'floor>=2');}
 - {php $Tstructure_array = array(1=>'標準廠房',2=>'簡易廠房',3=>'鋼結構');}
 - {if isset($Tzone)&&($Tzone!=0)}
 - {php $condition.=" and areaid=$Tzone";}
 - {/if}
 - {if isset($Tarea)&&($Tarea!=0)}
 - {php $condition.=" and $Tarea_array[$Tarea]";}
 - {/if}
 - {if isset($Tprice)&&($Tprice!=0)}
 - {php $condition.=" and $Tprice_array[$Tprice]";}
 - {/if}
 - {if isset($Tfloor)&&($Tfloor!=0)}
 - {php $condition.=" and $Tfloor_array[$Tfloor]";}
 - {/if}
 - {if isset($Tstructure)&&($Tstructure!=0)}
 - {php $condition.=" and structure=$Tstructure";}
 - {/if}
 - <!--{tag("moduleid=$moduleid&condition=$condition$dtype&areaid=$cityid&catid=$catid&pagesize=".$MOD[pagesize]."&page=$page&showpage=1&datetype=5&order=".$MOD[order]."&fields=".$MOD[fields]."&template=list-sell")}-->
 
這樣一個粗糙的篩選模塊就制作好了。



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