Swift SQLite O-R 映射工具类库 swiftydb

Posted 2021-04-30 swift语言

swiftydb 是一个类型安全、基于协议的 SQLite 数据库工具类库，可以轻松的持久化任何对象，纯 Swift 实现。 
访问数据库 
通过名称访问数据库，如果不存在，将创建数据库。 

1	let database = SwiftyDB(databaseName: "dogtopia")

添加或更新 

1	database.addObject(dog, update: true)

2	database.addObjects(dogs, update: true)

检索数据 
使用类型和属性检索匹配的记录。 

1	/* Array of dictionaries representing `Dog` objects from the database */

2	database.dataForType(Dog.self)

3	database.dataForType(Dog.self, matchingFilters: ["id": 1])

Dog数据示例 

1

[

2	"id": 1,                // As an Int

3	"name": "Ghost",        // As a String

4	"owner": "John Snow",   // As a String

5	"birth": August 6, 1996 // As an NSDate

6

]

检索对象 

1	database.objectsForType(Dog.self)

2	database.objectsForType(Dog.self, matchingFilters: ["id": 1])

删除记录 

1	database.deleteObjectsForType(Dog.self)

2	database.deleteObjectsForType(Dog.self, matchingFilters: ["name": "Max"])

以上示例为同步访问，异步访问请查看主页。 

开源代码主页     ❤