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875天前class CategoryAction extends CommonAction{ |
public function index(){ |
// echo APP_PATH; |
$cate = M('cate')->order('sort ASC')->select(); |
import('Class.Category',APP_PATH); |
$cate = Category::unlimitedForLevel($cate); |
$this->cate = $cate; |
$this->display(); |
} |
} |
//封装 |
<?php |
Class Category { |
//组合一维数组 |
Static Public function unlimitedForLevel( $cate, $html = '--', $pid = 0, $level = 0){ |
$arr = array(); |
foreach ($cate as $v) { |
if ($v['pid'] == $pid) { |
$v['level'] = $level + 1; |
$v['html'] = str_repeat($html,$level); |
$arr[] = $v; |
$arr = array_merge($arr, self::unlimitedForLevel($cate, $html, $v['id'], $level + 1)); |
} |
} |
return $arr; |
} |
//多维数组递归 |
Static Public function unlimitedForLayer ($cate, $name = 'child', $pid = 0) { |
$arr = array(); |
foreach ($cate as $v) { |
if ($v['pid'] == $pid) { |
$v[$name] = self::unlimitedForLayer($cate, $name, $v['id']); |
$arr[] = $v; |
} |
} |
return $arr; |
} |
|
//传递一个子分类ID返回所有的父级分类ID |
Static Public function getParentsId ($cate, $id) { |
$arr = array(); |
foreach ($cate as $v) { |
if ($v['id'] == $id) { |
$arr[] = $v['id']; |
$arr = array_merge(self::getParentsId($cate, $v['pid']), $arr); |
} |
} |
return $arr; |
} |
//传递一个子分类ID返回所有的父级分类 |
Static Public function getParents ($cate, $id) { |
$arr = array(); |
foreach ($cate as $v) { |
if ($v['id'] == $id) { |
$arr[] = $v; |
$arr = array_merge(self::getParents($cate, $v['pid']), $arr); |
} |
} |
return $arr; |
} |
//传递一个父级分类ID返回所有的子分类ID |
Static Public function getChildrenId ($cate, $pid) { |
$arr = array(); |
foreach ($cate as $v) { |
if ($v['pid'] == $pid) { |
$arr[] = $v['id']; |
$arr = array_merge($arr, self::getChildrenId($cate, $v['id'])); |
} |
} |
return $arr; |
} |
//传递一个父级分类ID返回所有的子分类 |
Static Public function getChildren ($cate, $pid) { |
$arr = array(); |
foreach ($cate as $v) { |
if ($v['pid'] == $pid) { |
$arr[] = $v; |
$arr = array_merge($arr, self::getChildrenId($cate, $v['id'])); |
} |
} |
return $arr; |
} |
|
} |
?> |
