pbootcms 调取二级菜单、列表页、内容列表循环的标签

<div class="solution_box p20">
  {pboot:nav num=100 parent={sort:scode}}
    {pboot:if('[nav:i]'=='1')}
      <div class="solution_cont1"> 
        <div class="contain">
          <h4 class="h4_1">[nav:name]</h4>
          <ul class=" list-paddingleft-2">
            {pboot:list scode=[nav:scode] num=4 page=0}
              <li>
                <div class="img">
                  <img src="[list:ico]" title="[list:title]" alt="[list:title]"/>
                </div>
                <div class="cont"><p>[list:description]</p></div>
              </li>
            {/pboot:list}
          </ul> 
        </div>   
      </div>
    {/pboot:if}

    {pboot:if('[nav:i]'=='2')}
      <div class="solution_cont2"> 
        <div class="contain">
          <h3 class="h3">[nav:name]</h3>
          <p class="p">[nav:description]</p>
          <ul class=" list-paddingleft-2">
            {pboot:list scode=[nav:scode] num=5 page=0}
              <li>
                <div class="img"><img src="[list:ico]" title="[list:title]" alt="[list:title]"/> <strong>[list:title]</strong></div>
              </li>
            {/pboot:list}
          </ul> 
        </div>
      </div>
    {/pboot:if}

    {pboot:if('[nav:i]'=='3')}
      <div class="solution_cont3"> 
        <div class="contain">
          <h3 class="h3">[nav:name]</h3>
          <p class="p">[nav:description]</p>
          <ul class=" list-paddingleft-2">
            {pboot:list scode=[nav:scode] num=4 page=0}
              <li>
                <div class="img">
                  <img src="[list:ico]" title="[list:title]" alt="[list:title]" style="width:300px; height:400px;"/>
                  <strong>[list:title]</strong>
                  <div class="content">
                    <div><em class="icon icon1"></em><h4>[list:title]</h4><p>[list:description]</p></div>
                  </div>
                </div>
              </li>
            {/pboot:list}
          </ul> 
        </div>
      </div>
    {else}  
    {/pboot:if}
  {/pboot:nav}
</div>