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Merge pull request #5129 from barbluz/patch-3
Translates `Model creation script` page to english
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黄朝晖
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# 模型创建脚本
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# Model creation script
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Hyperf 提供了创建模型的命令，您可以很方便的根据数据表创建对应模型。命令通过 `AST` 生成模型，所以当您增加了某些方法后，也可以使用脚本方便的重置模型。
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Hyperf provides commands to create models, and you can easily create corresponding models based on data tables. The command generates the model via `AST`, so when you add certain methods, you can also easily reset the model with a script.
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```bash
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```bash
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php bin/hyperf.php gen:model table_name
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php bin/hyperf.php gen:model table_name
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```
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```
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## 创建模型
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## Create a model
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可选参数如下：
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The optional parameters are as follows：
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| 参数 | 类型 | 默认值 | 备注 |
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| parameter | type | defaults | Remark |
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| :----------------: | :----: | :-------------------------------: | :-----------------------------------------------: |
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| :----------------: | :----: | :-------------------------------: | :-----------------------------------------------: |
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| --pool | string | `default` | 连接池，脚本会根据当前连接池配置创建 |
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| --pool | string | `default` | Connection pool, the script will be created based on the current connection pool configuration |
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| --path | string | `app/Model` | 模型路径 |
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| --path | string | `app/Model` | model path |
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| --force-casts | bool | `false` | 是否强制重置 `casts` 参数 |
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| --force-casts | bool | `false` | Whether to force reset the `casts` parameter |
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| --prefix | string | 空字符串 | 表前缀 |
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| --prefix | string | empty string | table prefix |
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| --inheritance | string | `Model` | 父类 |
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| --inheritance | string | `Model` | father |
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| --uses | string | `Hyperf\DbConnection\Model\Model` | 配合 `inheritance` 使用 |
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| --uses | string | `Hyperf\DbConnection\Model\Model` | Use with `inheritance` |
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| --refresh-fillable | bool | `false` | 是否刷新 `fillable` 参数 |
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| --refresh-fillable | bool | `false` | whether to refresh the `fillable` parameter |
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| --table-mapping | array | `[]` | 为表名 -> 模型增加映射关系 比如 ['users:Account'] |
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| --table-mapping | array | `[]` | Add a mapping relationship for table name -> model such as ['users:Account'] |
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| --ignore-tables | array | `[]` | 不需要生成模型的表名 比如 ['users'] |
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| --ignore-tables | array | `[]` | There is no need to generate the table name of the model e.g. ['users'] |
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| --with-comments | bool | `false` | 是否增加字段注释 |
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| --with-comments | bool | `false` | Whether to add field comments |
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| --property-case | int | `0` | 字段类型 0 蛇形 1 驼峰 |
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| --property-case | int | `0` | Field Type 0 snakecase 1 CamelCase |
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当使用 `--property-case` 将字段类型转化为驼峰时，还需要手动在模型中加入 `Hyperf\Database\Model\Concerns\CamelCase`。
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When using `--property-case` to convert the field type to camel case, you also need to manually add `Hyperf\Database\Model\Concerns\CamelCase` to the model.
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The corresponding configuration can also be configured in `databases.{pool}.commands.gen:model`, as follows
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对应配置也可以配置到 `databases.{pool}.commands.gen:model` 中，如下
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> All underscores need to be converted to underscores
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> 中划线都需要转化为下划线
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```php
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```php
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<?php
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<?php
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@ -39,7 +37,7 @@ use Hyperf\Database\Commands\ModelOption;
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return [
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return [
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'default' => [
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'default' => [
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// 忽略其他配置
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// Ignore other configurations
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'commands' => [
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'commands' => [
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'gen:model' => [
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'gen:model' => [
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'path' => 'app/Model',
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'path' => 'app/Model',
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@ -56,8 +54,7 @@ return [
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];
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];
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```
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```
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创建的模型如下
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The created model is as follows
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```php
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```php
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<?php
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<?php
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@ -101,8 +98,7 @@ class User extends Model
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## Visitors
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## Visitors
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框架提供了几个 `Visitors`，方便用户对脚本能力进行扩展。使用方法很简单，只需要在 `visitors` 配置中，添加对应的 `Visitor` 即可。
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The framework provides several `Visitors` for users to extend the scripting capabilities. The usage is very simple, just add the corresponding `Visitor` in the `visitors` configuration.
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```php
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```php
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<?php
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<?php
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@ -110,7 +106,7 @@ declare(strict_types=1);
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return [
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return [
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'default' => [
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'default' => [
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// 忽略其他配置
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// Ignore other configurations
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'commands' => [
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'commands' => [
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'gen:model' => [
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'gen:model' => [
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'visitors' => [
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'visitors' => [
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@ -122,28 +118,26 @@ return [
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];
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];
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```
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```
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### 可选 Visitors
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### Optional Visitors
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- Hyperf\Database\Commands\Ast\ModelRewriteKeyInfoVisitor
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- Hyperf\Database\Commands\Ast\ModelRewriteKeyInfoVisitor
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此 `Visitor` 可以根据数据库中主键，生成对应的 `$incrementing` `$primaryKey` 和 `$keyType`。
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This `Visitor` can generate the corresponding `$incrementing` `$primaryKey` and `$keyType` according to the primary key in the database.
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- Hyperf\Database\Commands\Ast\ModelRewriteSoftDeletesVisitor
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- Hyperf\Database\Commands\Ast\ModelRewriteSoftDeletesVisitor
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此 `Visitor` 可以根据 `DELETED_AT` 常量判断该模型是否含有软删除字段，如果存在，则添加对应的 Trait `SoftDeletes`。
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This `Visitor` can judge whether the model contains soft delete fields according to the `DELETED_AT` constant, and if so, add the corresponding Trait `SoftDeletes`.
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- Hyperf\Database\Commands\Ast\ModelRewriteTimestampsVisitor
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- Hyperf\Database\Commands\Ast\ModelRewriteTimestampsVisitor
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此 `Visitor` 可以根据 `created_at` 和 `updated_at` 自动判断，是否启用默认记录 `创建和修改时间` 的功能。
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This `Visitor` can automatically determine, based on `created_at` and `updated_at`, whether to enable the default recording of `created and modified times`.
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- Hyperf\Database\Commands\Ast\ModelRewriteGetterSetterVisitor
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- Hyperf\Database\Commands\Ast\ModelRewriteGetterSetterVisitor
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此 `Visitor` 可以根据数据库字段生成对应的 `getter` 和 `setter`。
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This `Visitor` can generate corresponding `getters` and `setters` based on database fields.
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## 覆盖 Visitor
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## Override Visitor
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Hyperf 框架中，当使用 `gen:model` 时，默认会将 `decimal` 转化成为 `float`。如下：
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In the Hyperf framework, when `gen:model` is used, `decimal` is converted to `float` by default. as follows:
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```php
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```php
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<?php
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<?php
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@ -186,8 +180,7 @@ class UserExt extends Model
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```
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```
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这时候，我们就可以通过重写 `ModelUpdateVisitor`，修改这一特性。
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At this point, we can modify this feature by overriding `ModelUpdateVisitor`.
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```php
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```php
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<?php
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<?php
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@ -248,7 +241,7 @@ class ModelUpdateVisitor extends Visitor
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}
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}
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if (Str::startsWith($cast, 'decimal')) {
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if (Str::startsWith($cast, 'decimal')) {
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// 如果 cast 为 decimal，则 @property 改为 string
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// If cast is decimal, @property is changed to string
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return 'string';
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return 'string';
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}
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}
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@ -257,8 +250,7 @@ class ModelUpdateVisitor extends Visitor
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}
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}
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```
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```
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配置映射关系 `dependencies.php`
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Configure the mapping relationship `dependencies.php`
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```php
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```php
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<?php
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<?php
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@ -268,8 +260,7 @@ return [
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```
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```
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重新执行 `gen:model` 后，对应模型如下：
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After re-executing `gen:model`, the corresponding model is as follows:
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```php
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```php
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<?php
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<?php
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