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78 lines
2.4 KiB
Markdown
78 lines
2.4 KiB
Markdown
# 热更新 Watcher
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> 首次启动，因为没有任何缓存，所以会比较慢，当二次启动时，会按照文件修改时间，进行动态收集，所以启动时间仍然比较长。
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`Watcher` 组件除了解决上述启动问题，还提供了文件修改后立马重启的功能。
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## 安装
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```bash
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composer require hyperf/watcher --dev
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```
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## 配置
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### 发布配置
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```bash
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php bin/hyperf.php vendor:publish hyperf/watcher
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```
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### 配置说明
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| 配置 | 默认值 | 备注 |
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| :------------: | :--------------: | :-------------------------------------------------------: |
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| driver | `ScanFileDriver` | 默认定时扫描文件驱动 |
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| bin | `PHP_BINARY` | 用于启动服务的脚本 例如 `php -d swoole.use_shortname=Off` |
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| watch.dir | `app`, `config` | 监听目录 |
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| watch.file | `.env` | 监听文件 |
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| watch.interval | `2000` | 扫描间隔(毫秒) |
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| ext | `.php`, `.env` | 监听目录下的文件扩展名 |
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## 支持驱动
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| 驱动 | 备注 |
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| :-----------------------------------: | :---------------------------------: |
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| Hyperf\Watcher\Driver\ScanFileDriver | 无需扩展 |
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| Hyperf\Watcher\Driver\FswatchDriver | 需要安装 fswatch |
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| Hyperf\Watcher\Driver\FindDriver | 需要安装 find，MAC 下需要安装 gfind |
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| Hyperf\Watcher\Driver\FindNewerDriver | 需要安装 find |
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### `fswatch` 安装
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Mac
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```bash
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brew install fswatch
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```
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Ubuntu/Debian
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```bash
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apt-get install fswatch
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```
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其他
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```bash
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wget https://github.com/emcrisostomo/fswatch/releases/download/1.14.0/fswatch-1.14.0.tar.gz \
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&& tar -xf fswatch-1.14.0.tar.gz \
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&& cd fswatch-1.14.0/ \
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&& ./configure \
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&& make \
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&& make install
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```
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## 启动
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因为目录的关系，需要在项目根目录中运行。
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```bash
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php bin/hyperf.php server:watch
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```
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## 不足
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- 暂时 Alpine Docker 环境下，稍微有点问题，后续会完善。
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- 删除文件和修改`.env`需要手动重启才能生效。
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