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Class DbUtility

Hierarchy

  • DbUtility

Index

Constructors

Properties

Methods

Constructors

constructor

  • new DbUtility(databaseName: string, version: number): DbUtility

  • Parameters

    • databaseName: string
    • version: number

    Returns DbUtility

Properties

Readonly databaseName

databaseName: string

db

db: null | IDBDatabase

dbStore

dbStore: string

dbTransaction

dbTransaction: null | IDBTransaction

Readonly version

version: number

Methods

add

  • add(data: any, store?: IDBObjectStore): Promise<unknown>

  • 添加数据

    Parameters

    • data: any
    • Optional store: IDBObjectStore

    Returns Promise<unknown>

addAll

  • 批量添加数据

    Parameters

    • data: any[]

    Returns Promise<DbUtility>

createStore

  • createStore(store: string, __namedParameters?: CreateStoreOptions): Promise<DbUtility>

  • 打开store，没有则创建

    Parameters

    • store: string
    • __namedParameters: CreateStoreOptions = {}

    Returns Promise<DbUtility>

get

  • get(__namedParameters: GetParameters): never[] | Promise<unknown>

  • 获取全部,传入filter使用游标查找，key根据主键或索引搜索

    Parameters

    • __namedParameters: GetParameters

    Returns never[] | Promise<unknown>

open

  • open(deleteWhenUpgradeneed: string[]): Promise<DbUtility>

  • 打开数据库

    Parameters

    • deleteWhenUpgradeneed: string[]

    Returns Promise<DbUtility>

searchByCursor

  • searchByCursor(store: IDBObjectStore | IDBIndex, filter: CursorFilter, multi: boolean): Promise<unknown>

  • Parameters

    • store: IDBObjectStore | IDBIndex
    • filter: CursorFilter
    • multi: boolean

    Returns Promise<unknown>

searchByKey

  • searchByKey(store: IDBObjectStore | IDBIndex, key: IDBValidKey | IDBKeyRange, multi: boolean): Promise<unknown>

  • Parameters

    • store: IDBObjectStore | IDBIndex
    • key: IDBValidKey | IDBKeyRange
    • multi: boolean

    Returns Promise<unknown>

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