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113 lines
3.4 KiB
Markdown
113 lines
3.4 KiB
Markdown
# 基于词性分析和魅族天气的天气查询机器人
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本文将基于 [`jieba-php`](https://github.com/fukuball/jieba-php) 中文分词库以及 [魅族天气 API](https://github.com/shichunlei/-Api/blob/master/MeizuWeather.md) 开发一个天气查询机器人。
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## 结果演示
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尾部的随机表情并非本教程的一部分。
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## 逻辑编写
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[`jieba-php`](https://github.com/fukuball/jieba-php) 是目前比较好用的中文分词库，虽然最近的维护并不活跃，但已足够我们的需求：
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```shell
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composer require fukuball/jieba-php:dev-master
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```
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以下代码使用了本文作者自行编写的天气查询库，需要进行引入：
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```shell
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composer require sunxyw/weather
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```
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您也可以将以下代码自行改写为直接调用魅族天气 API，详情请参阅[魅族天气 API 文档](https://github.com/shichunlei/-Api/blob/master/MeizuWeather.md)。
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```php
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<?php
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namespace Bot\Module\SmartChat;
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use Fukuball\Jieba\Jieba;
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use Fukuball\Jieba\Posseg;
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use Sunxyw\Weather\Weather;
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use ZM\Annotation\CQ\CQCommand;
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use ZM\Console\Console;
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class WeatherReport
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{
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/**
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* 加载字典
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*
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* @OnStart(worker_id=-1)
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*
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* @return void
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*/
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public function initDictionary(): void
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{
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// 分词以及词性分析需要载入字典到内存
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ini_set('memory_limit', '600M');
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Jieba::init(['dict' => 'small']);
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Posseg::init();
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}
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/**
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* 查询天气
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*
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* @CQCommand(keyword="天气")
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*
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* @return string
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*/
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public function cmdQueryWeather(): string
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{
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// 分词并进行词性分析
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$seg_list = Posseg::cut(ctx()->getMessage());
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$tags = array_column($seg_list, 'tag');
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// 找出词性为 ns（地名）的单词
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$location_index = array_search('ns', $tags, true);
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$location = $seg_list[$location_index]['word'];
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// 此处引入了本文作者自己写的天气库
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$w = new Weather();
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try {
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$report = $w->getWeather($location);
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} catch (\InvalidArgumentException) {
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return '城市输入错误';
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} catch (\JsonException $e) {
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Console::warning("天气查询失败：{$e->getMessage()}");
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return '天气查询失败';
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}
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$template = <<<EOF
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%s天气：%s
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温度：%s℃
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湿度：%s%%
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风向：%s %s
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空气质量：%s
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------------------------------
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未来三天天气：
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%s：%s，日间%s℃，夜间%s℃，吹%s %s
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%s：%s，日间%s℃，夜间%s℃，吹%s %s
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%s：%s，日间%s℃，夜间%s℃，吹%s %s
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EOF;
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$args = [
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$report->getCity(),
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$report->getRealtime()['weather'],
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$report->getRealtime()['temperature'],
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$report->getRealtime()['humidity'],
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$report->getRealtime()['wind_direction'],
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$report->getRealtime()['wind_speed'],
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$report->getRealtime()['air_quality'],
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];
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foreach (array_slice($report->getForecastDaily(), 0, 3) as $forecast) {
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$args[] = $forecast['date'];
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$args[] = $forecast['weather'];
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$args[] = $forecast['temperature']['day'];
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$args[] = $forecast['temperature']['night'];
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$args[] = $forecast['wind_direction'];
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$args[] = $forecast['wind_speed'];
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}
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return vsprintf($template, ...$args);
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}
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}
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```
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