为了防御假墙我们把url参数编码方式或空白方式处理掉了。关闭假墙防御就不会出现这个问题。

那么原来使用搜索页面、分类筛选页面的模板可能需要做有些简单调整才能正确显示筛选高亮。 在模板头部插入定义变量（在调用$pp变量之前插入就可以） {php}$pp = mac_param_url(); {/php} 然后把原来判断高亮的代码修改一下即可，把$param 替换为 $pp 即可， 来看例子。

未修改的地区筛选：

<a {if condition="$param['area'] eq ''"} class="current" {/if} href="{:mac_url_type($obj,['area'=>'','lang'=>$param['lang'],'year'=>$param['year'],'level'=>$param['level'],'letter'=>$param['letter'],'state'=>$param['state'],'tag'=>$param['tag'],'class'=>$param['class'],'order'=>$param['order'],'by'=>$param['by'] ],'show')}">全部

{empty name="$obj.type_extend.area"}
{maccms:foreach name=":explode(',',$obj.parent.type_extend.area)" id="vo2" key="key2"}
<a {if condition="$param['area'] eq $vo2"} class="current" {/if} href="{:mac_url_type($obj,['area'=>$vo2,'lang'=>$param['lang'],'year'=>$param['year'],'level'=>$param['level'],'letter'=>$param['letter'],'state'=>$param['state'],'tag'=>$param['tag'],'class'=>$param['class'],'order'=>$param['order'],'by'=>$param['by'] ],'show')}">{$vo2}

{/maccms:foreach}
{else /}
{maccms:foreach name=":explode(',',$obj.type_extend.area)" id="vo2" key="key2"}
<a {if condition="$param['area'] eq $vo2"} class="current" {/if} href="{:mac_url_type($obj,['area'=>$vo2,'lang'=>$param['lang'],'year'=>$param['year'],'level'=>$param['level'],'letter'=>$param['letter'],'state'=>$param['state'],'tag'=>$param['tag'],'class'=>$param['class'],'order'=>$param['order'],'by'=>$param['by'] ],'show')}">{$vo2}

{/maccms:foreach}
{/empty}

修改后的代码是：

<a {if condition="$pp['area'] eq ''"} class="current" {/if} href="{:mac_url_type($obj,['area'=>'','lang'=>$pp['lang'],'year'=>$pp['year'],'level'=>$pp['level'],'letter'=>$pp['letter'],'state'=>$pp['state'],'tag'=>$pp['tag'],'class'=>$pp['class'],'order'=>$pp['order'],'by'=>$pp['by'] ],'show')}">全部
{empty name="$obj.type_extend.area"} {maccms:foreach name=":explode(',',$obj.parent.type_extend.area)" id="vo2" key="key2"}
<a {if condition="$pp['area'] eq $vo2"} class="current" {/if} href="{:mac_url_type($obj,['area'=>$vo2,'lang'=>$pp['lang'],'year'=>$pp['year'],'level'=>$pp['level'],'letter'=>$pp['letter'],'state'=>$pp['state'],'tag'=>$pp['tag'],'class'=>$pp['class'],'order'=>$pp['order'],'by'=>$pp['by'] ],'show')}">{$vo2}
{/maccms:foreach} {else /} {maccms:foreach name=":explode(',',$obj.type_extend.area)" id="vo2" key="key2"}
<a {if condition="$pp['area'] eq $vo2"} class="current" {/if} href="{:mac_url_type($obj,['area'=>$vo2,'lang'=>$pp['lang'],'year'=>$pp['year'],'level'=>$pp['level'],'letter'=>$pp['letter'],'state'=>$pp['state'],'tag'=>$pp['tag'],'class'=>$pp['class'],'order'=>$pp['order'],'by'=>$pp['by'] ],'show')}">{$vo2}
{/maccms:foreach} {/empty}

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