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Merge pull request #1020 from putyy/feat-db-doc

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Update db.md
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黄朝晖 2019-11-24 14:41:55 +08:00 committed by GitHub
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doc/zh/db/db.md
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@ -2,9 +2,23 @@
[hyperf/database](https://github.com/hyperf/database) 功能十分强大，但也不可否认效率上确实些许不足。这里提供一个极简的 `DB` 组件，支持 `PDO` 和 `Swoole Mysql`。
## 安装
```bash
composer require hyperf/db
```
## 发布组件配置
该组件的配置文件位于 `config/autoload/db.php`，如果文件不存在，可通过下面的命令来将配置文件发布到骨架去：
```bash
php bin/hyperf.php vendor:publish hyperf/db
```
## 组件配置
默认配置 `autoload/db.php` 如下，数据库支持多库配置，默认为 `default`。
默认配置 `config/autoload/db.php` 如下，数据库支持多库配置，默认为 `default`。
| 配置项 | 类型 | 默认值 | 备注 |
|:--------------------:|:------:|:------------------:|:--------------------------------:|
@ -51,7 +65,7 @@ use Hyperf\DB\DB;
$db = ApplicationContext::getContainer()->get(DB::class);
$res = $db->query('SELECT * FROM `user` WHERE gender = ?;',[1]);
$res = $db->query('SELECT * FROM `user` WHERE gender = ?;', [1]);
```
@ -62,6 +76,6 @@ $res = $db->query('SELECT * FROM `user` WHERE gender = ?;',[1]);
use Hyperf\DB\DB;
$res = DB::query('SELECT * FROM `user` WHERE gender = ?;',[1]);
$res = DB::query('SELECT * FROM `user` WHERE gender = ?;', [1]);
```