phpcms v9二次開發教程之聯動搜索在房地產網站開發中的應用

　　開發簡述：使用phpcms V9系統，修改源文件5個，創建模型：樓盤、出售、出租、中介、小區，增加聯動菜單：樓盤，增加用戶組：房產中介。
實現功能：
游客發布信息、會員申請中介、樓盤全方位展示、報名團購、看房功能，發布信息時可根據登陸后的會員資料自動填好聯系信息，中介有自己的店鋪，可給中介留言，聯動篩選搜索、排序，房源對比功能。

聯動篩選搜索功能的實現方法及代碼：

　　要修改的文件就是list.html模板

核心代碼：

<?php
$theurl = APP_PATH."index.php?m=content&c=index&a=lists&catid=$catid";
$where = "status=99";
$orderby = "";
foreach ($_GET as $field => $r) {
if($r) {
if(!in_array($field,array('m','c','a','page'))){
if(strrpos($field,'_')){
$arr=explode("-",$r);
$field = str_replace('_','',$field);
$where .= " AND $field >= '$arr[0]' AND $field <= '$arr[1]'";
}else if($field == 'title'){
$where .= " AND $field LIKE "."'%".$r."%'";
}else if($field == 'orderby'){
$orderby = str_replace('_',' ',$r);

}else{
$where .= " AND $field='$r'";
}
}
}
}
//if($where)$where = substr($where,5);
if(!$orderby)$orderby = "id desc";
?>

用這段代碼來構造查詢條件和排序方式，有了這段代碼之后，要把list.htm獲得列表的pc語句改造成這樣
原來的
{pc:content action="lists" catid="$catid" num="25" order="id DESC" page="$page"}
改造后的
{pc:content action="lists" where="$where" catid="$catid" num="25" order="$orderby" page="$page"}

使用的時候就比較麻煩了
<p><span>狀態：</span><span><a href='{url_par("price_=$_GET[price_]&hstatus=& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>全部</a& amp; gt;</span>
<span {if $_GET[hstatus] == 1}class='shaixuan'{/if}><a href='{url_par("price_=$_GET[price_]&hstatus=1& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>新盤</a& amp; gt;</span>
<span {if $_GET[hstatus] == 2}class='shaixuan'{/if}><a href='{url_par("price_=$_GET[price_]&hstatus=2& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>在售</a& amp; gt;</span>
<span {if $_GET[hstatus] == 3}class='shaixuan'{/if}><a href='{url_par("price_=$_GET[price_]&hstatus=3& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>尾盤</a& amp; gt;</span>
<span {if $_GET[hstatus] == 4}class='shaixuan'{/if}><a href='{url_par("price_=$_GET[price_]&hstatus=4& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>售完</a& amp; gt;</span></p>
<p><span>均價：</span><span><a href='{url_par("price_=&hstatus=$_GET[hstatus]& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>全部</a& amp; gt;</span>
<span {if $_GET[price_] == '0-4000'}class='shaixuan'{/if}><a href='{url_par("price_=0-4000&hstatus=$_GET[hstatus]& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>4000以下& amp; lt;/a></span>
<span {if $_GET[price_] == '4000-5000'}class='shaixuan'{/if}><a href='{url_par("price_=4000-5000&typeid=$_GET[typeid]&hstatus=$_GET[hstatus]&address=$_GET[address]",$theurl)}'>4000-5000</a></span>
<span {if $_GET[price_] == '5000-6000'}class='shaixuan'{/if}><a href='{url_par("price_=5000-6000&hstatus=$_GET[hstatus]&typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>5000-6000</a></span>
<span {if $_GET[price_] == '6000-7000'}class='shaixuan'{/if}><a href='{url_par("price_=6000-7000&hstatus=$_GET[hstatus]&typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>6000-7000</a></span>
<span {if $_GET[price_] == '7000-8000'}class='shaixuan'{/if}><a href='{url_par("price_=7000-8000&hstatus=$_GET[hstatus]&typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>7000-8000</a></span>
<span {if $_GET[price_] == '8000-9000'}class='shaixuan'{/if}><a href='{url_par("price_=8000-9000&hstatus=$_GET[hstatus]&typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>8000-9000</a></span>
<span {if $_GET[price_] == '9000-10000'}class='shaixuan'{/if}><a href='{url_par("price_=9000-10000&hstatus=$_GET[hstatus]&typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>9000-10000</a></span>
<span {if $_GET[price_] == '10000-100000'}class='shaixuan'{/if}><a href='{url_par("price_=10000-100000&hstatus=$_GET[hstatus]& typeid=$_GET[typeid]&address=$_GET[address]",$theurl)}'>10000以上& amp; lt;/a></span>

</p>
<p><span>類型：</span><span><a href="{url_par("price_=$_GET[price_]&hstatus=$_GET[hstatus]& typeid=&address=$_GET[address]",$theurl)}">全部</a></span& amp; gt;
{pc:get sql="SELECT * FROM `v9house_type` where `module`='content'"}
{loop $data $key $val}
<span {if $_GET[typeid] == $val[typeid]}class='shaixuan'{/if}><a href="{url_par("price_=$_GET[price_]&hstatus=$_GET[hstatus]&typeid=$val[typeid]&address=$_GET[address]",$theurl)}">{$val[name]}</a></span>
{/loop}
{/pc}</p>
<p><span>地區：</span>
<span><a href="{url_par("price_=$_GET[price_]&hstatus=$_GET[hstatus]& typeid=$_GET[typeid]&address=",$theurl)}">全部</a></span& amp; gt;
{pc:get sql="SELECT linkageid,name FROM `v9house_linkage` where parentid=(SELECT linkageid FROM `v9house_linkage` where name='淄博市')"}
{loop $data $key $val}
<span {if $_GET[address] == $val[linkageid]}class='shaixuan'{/if}> <a href="{url_par("price_=$_GET[price_]&hstatus=$_GET[hstatus]&typeid=$_GET[typeid]&address=$val[linkageid]",$theurl)}">{$val[name]}</a></span>
{/loop}
{/pc}</p>

沒辦法，要想聯動，就得每次都傳遞出所有需要聯動的參數，所以url的參數部分就很多，容易暈掉～

獲取搜索結果的代碼是
共返回 {php echo count($data);} 個結果
放在
{pc:content action="lists" where="$where" catid="$catid" num="25" order="$orderby" page="$page"}
下面
loop
的上面

共返回 {php echo count($data);} 個結果

排序的參數也很麻煩
<a href='{url_par("price_=$_GET[price_]&area_=$_GET[area_]& shi=$_GET[shi]&typeid=$_GET[typeid]&address=$_GET[address]& orderby=area_desc",$theurl)}'>面積</a>

基本就這樣了，希望有人能看懂

搜索表單也可以直接用在這里

給個例子

<form name="myform1" method="get" action="">
<input type="hidden" name="m" value="content">
<input type="hidden" name="c" value="index">
<input type="hidden" name="a" value="lists">
<span><select name="catid">
<option value="6">出售</option>
<option value="12">求購</option>
</select></span>

<span><select name="area_">
<option value="">面積不限</option>
<option value="0-50">小于50</option>
<option value="50-80">50到80</option>
<option value="80-120">80到120</option>
<option value="120-200">120到200</option>
<option value="200-10000">大于200</option>

</select></span>

<span><select name="shi">
<option value="">所有戶型</option>
<option value="1">1室</option>
<option value="2">2室</option>
<option value="3">3室</option>
</select></span>
<span><input name="title" type="text" class="text4" style="width:60px;" /></span>
<span><input type="submit" value="" class="text3" /></span></form>