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Yii Framework Forum
左右值实现无限级分类
Yii 1.1
Extensions
hu198021688500
(Hu198021688500)
March 30, 2012, 1:53am
1
左右值实现无限级分类便于查询,查询效率高
yiqing95
(Yiqing 95)
March 30, 2012, 3:40am
2
你想说什么呢?
查询效率是高 但插入 移动节点的效率就不太好了 会影响到所有右侧节点的