修改phpcms/model/content_model.class.php大概454行的update_category_items()函数
private function update_category_items($catid,$action = 'add',$cache = 0) {$this->category_db = pc_base::load_model('category_model');if($action=='add') {$this->category_db->update(array('items'=>'+=1'),array('catid'=>$catid));} else {$this->category_db->update(array('items'=>'-=1'),array('catid'=>$catid));}if($cache) $this->cache_items();
}修改为：
private function update_category_items($catid,$action = 'add',$cache = 0) {$this->category_db = pc_base::load_model('category_model');if($action=='add') {$this->category_db->update(array('items'=>'+=1'),array('catid'=>$catid));} else {$r =$this->category_db->get_one(array('catid'=>$catid));if($r['items']>0){$this->category_db->update(array('items'=>'-=1'),array('catid'=>$catid));}//$this->category_db->update(array('items'=>'-=1'),array('catid'=>$catid));}if($cache) $this->cache_items();
}转载于:https://blog.51cto.com/will2013/1317565
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