307 lines
7.1 KiB
Go
307 lines
7.1 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"regexp"
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"strings"
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"time"
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)
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const qweatherKey = "3b67b65a53c04170b602d2d1a7e6096f"
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const qweatherHost = "https://pb4nmv4qnu.re.qweatherapi.com"
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type City struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Adm2 string `json:"adm2"`
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Adm1 string `json:"adm1"`
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}
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var cities = []City{
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{"101010100", "北京", "北京", "北京"},
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{"101020100", "上海", "上海", "上海"},
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{"101280101", "广州", "广州", "广东"},
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{"101280601", "深圳", "深圳", "广东"},
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{"101200101", "武汉", "武汉", "湖北"},
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{"101110101", "西安", "西安", "陕西"},
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{"101210101", "杭州", "杭州", "浙江"},
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{"101190101", "南京", "南京", "江苏"},
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{"101070101", "沈阳", "沈阳", "辽宁"},
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{"101050101", "哈尔滨", "哈尔滨", "黑龙江"},
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{"101250101", "长沙", "长沙", "湖南"},
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{"101270101", "成都", "成都", "四川"},
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}
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var defaultCity = City{"101200101", "武汉", "武汉", "湖北"}
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var httpClient = &http.Client{Timeout: 10 * time.Second}
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var weatherIcons = map[string]string{
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"晴": "☀️", "多云": "⛅", "阴": "☁️",
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"雨": "🌧️", "雪": "❄️", "雷": "⛈️",
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"雾": "🌫️", "霾": "😷", "风": "💨",
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}
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func getWeatherIcon(text string) string {
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for k, v := range weatherIcons {
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if strings.Contains(text, k) {
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return v
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}
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}
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return "🌤️"
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}
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func httpGet(url string) ([]byte, error) {
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resp, err := httpClient.Get(url)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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return io.ReadAll(resp.Body)
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}
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// ── 定位 ──
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func getLocation() City {
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if city := locateByIPIP(); city != nil {
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return *city
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}
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if city := locateByGeoAPI(); city != nil {
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return *city
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}
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log.Println("所有定位失败，使用默认城市:", defaultCity.Name)
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return defaultCity
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}
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func locateByIPIP() *City {
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data, err := httpGet("https://myip.ipip.net")
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if err != nil {
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return nil
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}
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text := string(data)
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re := regexp.MustCompile(`来自于[：:]\s*(.+?)\s*$`)
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m := re.FindStringSubmatch(text)
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if m == nil {
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return nil
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}
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parts := strings.Fields(m[1])
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cityName := parts[0]
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if len(parts) >= 3 {
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cityName = parts[2]
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} else if len(parts) >= 2 {
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cityName = parts[1]
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}
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for _, c := range cities {
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if c.Name == cityName {
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log.Println("ipip.net 匹配:", c.Name)
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return &c
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}
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}
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return nil
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}
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func locateByGeoAPI() *City {
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data, err := httpGet("https://myip.ipip.net")
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if err == nil {
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re := regexp.MustCompile(`(\d+\.\d+\.\d+\.\d+)`)
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if m := re.FindStringSubmatch(string(data)); m != nil {
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return geoLookup(m[1])
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}
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}
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return nil
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}
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func geoLookup(ip string) *City {
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url := fmt.Sprintf(qweatherHost+"/v2/city/lookup?location=%s&key=%s", ip, qweatherKey)
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data, err := httpGet(url)
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if err != nil {
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return nil
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}
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var resp struct {
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Code string `json:"code"`
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Location []struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Adm2 string `json:"adm2"`
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Adm1 string `json:"adm1"`
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} `json:"location"`
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}
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if json.Unmarshal(data, &resp) != nil || resp.Code != "200" || len(resp.Location) == 0 {
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return nil
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}
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loc := resp.Location[0]
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for _, c := range cities {
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if c.Name == loc.Name {
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return &c
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}
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}
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return &City{loc.ID, loc.Name, loc.Adm2, loc.Adm1}
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}
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func getCurrentCity() City {
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cfg := loadConfig()
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if cfg.City != "" {
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for _, c := range cities {
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if c.ID == cfg.City {
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return c
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}
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}
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}
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return getLocation()
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}
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// ── 天气数据 ──
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type hourlyItem struct {
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Time string `json:"time"`
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Temp string `json:"temp"`
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Icon string `json:"icon"`
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}
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type dailyItem struct {
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Date string `json:"date"`
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Icon string `json:"icon"`
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TempMin string `json:"tempMin"`
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TempMax string `json:"tempMax"`
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}
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type currentWeather struct {
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Text string `json:"text"`
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Temp string `json:"temp"`
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}
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func fetchAndPushWeather(city City) {
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type weatherData struct {
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Current string `json:"current"`
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Hourly []hourlyItem `json:"hourly"`
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Daily []dailyItem `json:"daily"`
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City string `json:"city"`
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}
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wd := weatherData{}
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cityName := city.Name
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if city.Adm2 != city.Name {
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cityName = city.Adm2 + " " + city.Name
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}
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wd.City = cityName
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if now := fetchCurrentWeather(city.ID); now != nil {
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icon := getWeatherIcon(now.Text)
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wd.Current = fmt.Sprintf("📍 %s %s %s %s°C", cityName, icon, now.Text, now.Temp)
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} else {
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wd.Current = fmt.Sprintf("📍 %s ☀️ 晴 24°C", cityName)
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}
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wd.Hourly = fetchHourlyForecast(city.ID)
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wd.Daily = fetchDailyForecast(city.ID)
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jsonData, _ := json.Marshal(wd)
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evalJS(fmt.Sprintf(`if(window.updateWeatherFromGo) window.updateWeatherFromGo(%s)`, string(jsonData)))
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log.Println("天气已推送:", wd.Current)
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}
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func fetchCurrentWeather(cityID string) *currentWeather {
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url := fmt.Sprintf(qweatherHost+"/v7/weather/now?location=%s&key=%s", cityID, qweatherKey)
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data, err := httpGet(url)
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if err != nil {
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return nil
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}
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var resp struct {
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Code string `json:"code"`
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Now struct {
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Text string `json:"text"`
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Temp string `json:"temp"`
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} `json:"now"`
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}
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if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
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return nil
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}
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return ¤tWeather{resp.Now.Text, resp.Now.Temp}
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}
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func fetchHourlyForecast(cityID string) []hourlyItem {
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url := fmt.Sprintf(qweatherHost+"/v7/weather/24h?location=%s&key=%s", cityID, qweatherKey)
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data, err := httpGet(url)
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if err != nil {
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return nil
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}
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var resp struct {
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Code string `json:"code"`
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Hourly []struct {
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FxTime string `json:"fxTime"`
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Temp string `json:"temp"`
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Text string `json:"text"`
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} `json:"hourly"`
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}
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if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
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return nil
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}
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var result []hourlyItem
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for i, h := range resp.Hourly {
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if i >= 8 {
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break
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}
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t := h.FxTime
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if idx := strings.Index(t, "T"); idx >= 0 {
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t = t[idx+1:]
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if len(t) >= 5 {
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t = t[:5]
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}
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}
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result = append(result, hourlyItem{t, h.Temp + "°", getWeatherIcon(h.Text)})
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}
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return result
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}
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func fetchDailyForecast(cityID string) []dailyItem {
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url := fmt.Sprintf(qweatherHost+"/v7/weather/7d?location=%s&key=%s", cityID, qweatherKey)
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data, err := httpGet(url)
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if err != nil {
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return nil
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}
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var resp struct {
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Code string `json:"code"`
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Daily []struct {
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FxDate string `json:"fxDate"`
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TextDay string `json:"textDay"`
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TempMin string `json:"tempMin"`
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TempMax string `json:"tempMax"`
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} `json:"daily"`
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}
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if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
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return nil
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}
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weekdays := []string{"周日", "周一", "周二", "周三", "周四", "周五", "周六"}
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today := time.Now().Format("2006-01-02")
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var result []dailyItem
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for _, d := range resp.Daily {
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date := d.FxDate
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if date == today {
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date = "今天"
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} else {
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if t, err := time.Parse("2006-01-02", date); err == nil {
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date = weekdays[t.Weekday()]
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}
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}
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result = append(result, dailyItem{date, getWeatherIcon(d.TextDay), d.TempMin, d.TempMax})
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}
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return result
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}
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func weatherLoop() {
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time.Sleep(3 * time.Second)
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city := getCurrentCity()
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log.Println("初始城市:", city.Name)
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fetchAndPushWeather(city)
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ticker := time.NewTicker(10 * time.Minute)
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for range ticker.C {
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city := getCurrentCity()
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fetchAndPushWeather(city)
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}
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}
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