CoreData Introduction Use additions and deletions to change the swift

1. First create a new

2. Click on the new Testinfo.xcdatamodeld will appear this interface

3. After creating Testinfo.xcdatamodeld Appdelegate will automatically help you to add support CoreData code interested in your own research

4. First, use CoreData to store data 1. CREATE TABLE 2. Create Field 3. The model class that created the corresponding field is sufficient.

5. Create a table click and then appear

6. Add a field ......... .....

7. Create a model for the corresponding field command+n

8. will automatically help you create a class after you hook it up.

9. Okay, everything's ready. Find a place to test the additions and deletions, write the test code directly in the Appdelegate.

10. 
    

Well above is the simple coredata used for the first time with the novice. This example only tries to get started using

CoreData Introduction Use additions and deletions to change the swift