I wanted to make an assumption that the data in my application was just values from a table. I wanted my data model to know how to search, sort, traverse and modify that data.
假定我的应用程序中的数据都来自于数据库表中存储的各种值,我想让数据模型知道怎样对数据进行查找、排序、遍历和修改。
I wanted to make an assumption that the data in my application was just values from a table. I wanted my data model to know how to search, sort, traverse and modify that data.
假定我的应用程序中的数据都来自于数据库表中存储的各种值,我想让数据模型知道怎样对数据进行查找、排序、遍历和修改。
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