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https://github.com/nocobase/nocobase
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153 lines
3.1 KiB
Markdown
153 lines
3.1 KiB
Markdown
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# HasManyRepository
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`HasManyRepository` 是用于处理 `HasMany` 关系的 `Repository`。
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## 类方法
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### `find()`
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查找关联对象
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**签名**
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* `async find(options?: FindOptions): Promise<M[]>`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `FindOptions` | - | 参见 repository.find |
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### `findOne()`
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查找关联对象，仅返回一条记录
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**签名**
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* `async findOne(options?: FindOneOptions): Promise<M>`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `FindOneOptions` | - | 参见 repository.findOne |
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### `count()`
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返回符合查询条件的记录数
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**签名**
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* `async count(options?: CountOptions)`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `CountOptions` | - | 参见 repository.count |
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### `findAndCount()`
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同时返回符合查询条件的记录集合与记录数
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**签名**
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* `async findAndCount(options?: FindAndCountOptions): Promise<[any[], number]>`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `FindAndCountOptions` | - | 参见 repository.findAndCount |
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### `create()`
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创建关联对象
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**签名**
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* `async create(options?: CreateOptions): Promise<M>`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `CreateOptions` | - | 参见 repository.create |
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### `update()`
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更新符合条件的关联对象
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**签名**
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* `async update(options?: UpdateOptions): Promise<M>`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `UpdateOptions` | - | 参见 repository.update |
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### `destroy()`
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删除符合条件的关联对象
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**签名**
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* `async destroy(options?: TK | DestroyOptions): Promise<M>`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `TK \|DestroyOptions` | - | 传入删除对象的 `targetKeyId`，或者 `targetKeyId` 数组。需传 `transaction` 时 使用 `DestroyOptions` 类型 |
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### `add()`
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添加关联对象
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**签名**
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* `async add(options: TargetKey | TargetKey[] | AssociatedOptions)`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `TargetKey` | - | 关联对象的 `targetKeyId` |
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| `options` | `TargetKey[]` | - | 多个关联对象的 `targetKeyId` 数组 |
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| `options` | `AssociatedOptions` | - | `options.tk`, 为 `targetKeyId` 或者 `targetKeyId` 数组；`options.transaction`，为 `Transaction` 对象 |
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### `remove()`
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移除符合条件的关联对象
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**签名**
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* `async remove(options: TargetKey | TargetKey[] | AssociatedOptions)`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `TargetKey \| TargetKey[] \| AssociatedOptions` | - | 同 [add](#add) |
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### `set()`
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设置当前关系的关联对象
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**签名**
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* `async set(options: TargetKey | TargetKey[] | AssociatedOptions)`
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**参数**
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| 参数名 | 类型 | 默认值 | 描述 |
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| --- | --- | --- | --- |
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| `options` | `TargetKey \| TargetKey[] \| AssociatedOptions` | - | 同 [add](#add) |
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