ios CoreData Database 数据库简单配置使用流
2016-09-06 本文已影响49人
姬拉
第一步导入包:
![](https://img.haomeiwen.com/i2536592/9921bbca10c7f000.png)
![](https://img.haomeiwen.com/i2536592/f7bbfa28b24e6a9b.png)
插入Data Model:
![](https://img.haomeiwen.com/i2536592/1aad0c174d657fd1.png)
创建一个新的Entity:
![](https://img.haomeiwen.com/i2536592/46512f08a4ab7e6b.png)
![](https://img.haomeiwen.com/i2536592/1f6c1e13c2eb5968.png)
选择UserInfoEntity,然后选择菜单Editor,Create NSManagedObject Subclass,一直下一步。
![](https://img.haomeiwen.com/i2536592/442db330646f6982.png)
自动创建了这几个类
![](https://img.haomeiwen.com/i2536592/84e7da34c2e5a63e.png)
使用数据:创建一个管理单例类Database
![](https://img.haomeiwen.com/i2536592/78f3dc454ee7ae5f.png)
Database.m
![](https://img.haomeiwen.com/i2536592/7af091a5f822126d.png)
![](https://img.haomeiwen.com/i2536592/f7363557aac9867a.png)
Database.h
![](https://img.haomeiwen.com/i2536592/dd8c0be9f0ea5ff3.png)
![](https://img.haomeiwen.com/i2536592/b551a42ee086f683.png)
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