php 浅析smarty中section嵌套循环的简单示例

<select name="parentId" id="parentId">
<option value="0">根分类</option>
<{section name=big loop=$big}>
<option value="<{$big[big].id}>"><{$big[big].type}></option>
<{section name=small loop=$big[big].small}>
<option value="<{$big[big].small[small].id}>">-<{$big[big].small[small].type}></option>
<{/section}> <{/section}>
</select>
$sqla="select * from ".$tabext."navigation where parentId=0";
$allRecord=$db->getAllRecord($sqla);
$classNameArray=array();
foreach($allRecord as $v){
$sqls="select * from ".$tabext."navigation where parentId=".$v['id'];
$allRecords=$db->getAllRecord($sqls); $childNameArray=array();
foreach($allRecords as $s){
array_push($childNameArray,$s);
}
$v['small']=$childNameArray;
array_push($classNameArray,$v);
}
$smarty->assign("big",$classNameArray);

<select name="ntype" id="ntype">
<{section name=bigType loop=$bigType}>
<option value="a"><{$bigType[bigType].type}></option>
<{section name=smallType loop=smallType}>
<option value="b"><{$smallType[smallType].type}></option>
<{/section}>
<{/section}>
</select>
+++++++++++++++++++++++++++++
$sqla="select * from ".$tabext."navigation where parentId=0";
$allRecord=$db->getAllRecord($sqla);
for($i=0;$i<count($allRecord);$i++){
$big[]=array("id"=>$allRecord[$i]['id'],"type"=>$allRecord[$i]['type']);
$sqlb="select * from ".$tabext."navigation where parentId=".$allRecord[$i]['id'];
$allRecords=$db->getAllRecord($sqlb);
$countallRecords=count($allRecords);
#debug($allRecords); if($countallRecords!=0){
for($j=0;$j<countallRecords;$j++){
$small[]=array("ids"=>$allRecords[$j]['id'],"types"=>$allRecords[$j]['type']);
$smarty->assign('small',$small);
}
$smarty->assign('big',$big);
}
}
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