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@@ -0,0 +1,108 @@
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+<?php
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+/**
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+ * Created by PhpStorm.
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+ * User: stanley-king
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+ * Date: 16/5/9
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+ * Time: 下午9:06
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+ */
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+
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+class category_helper
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+{
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+ private $file_name = '';
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+ private $mCategories = NULL;
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+ private $mCids = NULL;
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+
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+ static private $stInstance = NULL;
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+ static public function instance()
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+ {
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+ if(self::$stInstance == NULL) {
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+ self::$stInstance = new category_helper();
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+ }
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+ return self::$stInstance;
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+ }
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+
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+ private function __construct()
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+ {
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+ $this->mCids = array();
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+ $this->file_name = BASE_DATA_PATH . '/sales/category.xml';
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+ self::load_xml($this->file_name);
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+ }
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+
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+ private function load_xml($file)
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+ {
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+ $xml = simplexml_load_file($file);
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+ if($xml === false) {
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+ throw new Exception("无法解析XML文件");
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+ }
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+
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+ $this->mCategories = array();
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+ foreach($xml->children() as $xitem)
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+ {
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+ $item = array();
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+ $attrs = $xitem->attributes();
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+
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+ $title = $attrs['title']->__toString();
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+ $pid = $attrs['id']->__toString();
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+ $cids = $attrs['cids']->__toString();
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+ $img = $attrs['img']->__toString();
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+
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+ $item['title'] = $title;
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+ $item['id'] = $pid;
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+ $item['img'] = $img;
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+
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+ $item['subitem'] = array();
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+ $this->add_cids($pid,$cids);
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+
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+ foreach($xitem->children() as $xsubitem) {
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+ $subitem = array();
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+ $sattrs = $xsubitem->attributes();
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+
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+ $title = $sattrs['title']->__toString();
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+ $sid = $sattrs['id']->__toString();
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+ $cids = $sattrs['cids']->__toString();
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+ $img = $sattrs['img']->__toString();
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+
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+ $subitem['title'] = $title;
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+ $subitem['id'] = $sid;
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+ $subitem['img'] = $img;
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+
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+ array_push($item['subitem'],$subitem);
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+
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+ $this->add_cids($sid,$cids);
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+ $this->add_cids($pid,$cids);
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+ }
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+
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+ array_push($this->mCategories,$item);
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+ }
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+ }
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+
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+ private function add_cids($id,$cids)
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+ {
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+ if(!in_array($id,$this->mCids)) {
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+ $this->mCids[$id] = array();
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+ }
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+ $cids = explode(',',$cids);
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+ foreach($cids as $val)
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+ {
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+ $cur_cids = &$this->mCids[$id];
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+ if(!empty($val) && !in_array($val,$cur_cids)) {
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+ array_push($cur_cids,$val);
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+ }
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+ }
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+ }
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+
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+
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+ public function categories()
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+ {
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+ return $this->mCategories;
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+ }
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+
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+ public function cids($id)
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+ {
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+ if(!in_array($id,$this->mCids)) {
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+ return array();
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+ } else {
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+ return $this->mCids[$id];
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+ }
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+ }
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+}
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stanley-king