fix: time zone issue

Author: stephen-zeng

main.go

@@ -186,38 +186,39 @@ END:DAYLIGHT
 END:VTIMEZONE
 `
 
+var cstZone = time.FixedZone("CST", 8*3600)
 var basinTime time.Time
 var startTimes = []time.Time{
-	time.Date(0, 0, 0, 0, 0, 0, 0, time.Local),
-	time.Date(0, 0, 0, 8, 0, 0, 0, time.Local),
-	time.Date(0, 0, 0, 8, 50, 0, 0, time.Local),
-	time.Date(0, 0, 0, 9, 50, 0, 0, time.Local),
-	time.Date(0, 0, 0, 10, 40, 0, 0, time.Local),
-	time.Date(0, 0, 0, 11, 30, 0, 0, time.Local),
-	time.Date(0, 0, 0, 14, 05, 0, 0, time.Local),
-	time.Date(0, 0, 0, 14, 55, 0, 0, time.Local),
-	time.Date(0, 0, 0, 15, 45, 0, 0, time.Local),
-	time.Date(0, 0, 0, 16, 40, 0, 0, time.Local),
-	time.Date(0, 0, 0, 17, 30, 0, 0, time.Local),
-	time.Date(0, 0, 0, 18, 30, 0, 0, time.Local),
-	time.Date(0, 0, 0, 19, 20, 0, 0, time.Local),
-	time.Date(0, 0, 0, 20, 10, 0, 0, time.Local),
+	time.Date(0, 0, 0, 0, 0, 0, 0, cstZone),
+	time.Date(0, 0, 0, 8, 0, 0, 0, cstZone),
+	time.Date(0, 0, 0, 8, 50, 0, 0, cstZone),
+	time.Date(0, 0, 0, 9, 50, 0, 0, cstZone),
+	time.Date(0, 0, 0, 10, 40, 0, 0, cstZone),
+	time.Date(0, 0, 0, 11, 30, 0, 0, cstZone),
+	time.Date(0, 0, 0, 14, 05, 0, 0, cstZone),
+	time.Date(0, 0, 0, 14, 55, 0, 0, cstZone),
+	time.Date(0, 0, 0, 15, 45, 0, 0, cstZone),
+	time.Date(0, 0, 0, 16, 40, 0, 0, cstZone),
+	time.Date(0, 0, 0, 17, 30, 0, 0, cstZone),
+	time.Date(0, 0, 0, 18, 30, 0, 0, cstZone),
+	time.Date(0, 0, 0, 19, 20, 0, 0, cstZone),
+	time.Date(0, 0, 0, 20, 10, 0, 0, cstZone),
 }
 var endTimes = []time.Time{
-	time.Date(0, 0, 0, 0, 0, 0, 0, time.Local),
-	time.Date(0, 0, 0, 8, 45, 0, 0, time.Local),
-	time.Date(0, 0, 0, 9, 35, 0, 0, time.Local),
-	time.Date(0, 0, 0, 10, 35, 0, 0, time.Local),
-	time.Date(0, 0, 0, 11, 25, 0, 0, time.Local),
-	time.Date(0, 0, 0, 12, 15, 0, 0, time.Local),
-	time.Date(0, 0, 0, 14, 50, 0, 0, time.Local),
-	time.Date(0, 0, 0, 15, 40, 0, 0, time.Local),
-	time.Date(0, 0, 0, 16, 30, 0, 0, time.Local),
-	time.Date(0, 0, 0, 17, 25, 0, 0, time.Local),
-	time.Date(0, 0, 0, 18, 15, 0, 0, time.Local),
-	time.Date(0, 0, 0, 19, 15, 0, 0, time.Local),
-	time.Date(0, 0, 0, 20, 05, 0, 0, time.Local),
-	time.Date(0, 0, 0, 20, 55, 0, 0, time.Local),
+	time.Date(0, 0, 0, 0, 0, 0, 0, cstZone),
+	time.Date(0, 0, 0, 8, 45, 0, 0, cstZone),
+	time.Date(0, 0, 0, 9, 35, 0, 0, cstZone),
+	time.Date(0, 0, 0, 10, 35, 0, 0, cstZone),
+	time.Date(0, 0, 0, 11, 25, 0, 0, cstZone),
+	time.Date(0, 0, 0, 12, 15, 0, 0, cstZone),
+	time.Date(0, 0, 0, 14, 50, 0, 0, cstZone),
+	time.Date(0, 0, 0, 15, 40, 0, 0, cstZone),
+	time.Date(0, 0, 0, 16, 30, 0, 0, cstZone),
+	time.Date(0, 0, 0, 17, 25, 0, 0, cstZone),
+	time.Date(0, 0, 0, 18, 15, 0, 0, cstZone),
+	time.Date(0, 0, 0, 19, 15, 0, 0, cstZone),
+	time.Date(0, 0, 0, 20, 05, 0, 0, cstZone),
+	time.Date(0, 0, 0, 20, 55, 0, 0, cstZone),
 }
 
 func GetClassTime(week, day, classStart, classEnd int) (start, end time.Time) {
@@ -236,7 +237,7 @@ func CreateCalendar(classInfos []ClassDetail) {
 	timeInput, _ := reader.ReadString('\n')
 	var year, month, day int
 	fmt.Sscanf(timeInput, "%d-%d-%d", &year, &month, &day)
-	basinTime = time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.Local)
+	basinTime = time.Date(year, time.Month(month), day, 0, 0, 0, 0, cstZone)
 
 	cal := ics.NewCalendar()
 	for _, classInfo := range classInfos {

web.go

@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"WHUClass/frontend"
+
 	ics "github.com/arran4/golang-ical"
 	"github.com/google/uuid"
 )
@@ -24,10 +25,10 @@ type WebRequest struct {
 
 // WebResponse represents the response to the frontend
 type WebResponse struct {
-	Success   bool   `json:"success"`
-	Message   string `json:"message"`
-	Calendar  string `json:"calendar,omitempty"`
-	Error     string `json:"error,omitempty"`
+	Success   bool          `json:"success"`
+	Message   string        `json:"message"`
+	Calendar  string        `json:"calendar,omitempty"`
+	Error     string        `json:"error,omitempty"`
 	ClassData []ClassDetail `json:"classData,omitempty"`
 }
 
@@ -38,7 +39,7 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "Template error: "+err.Error(), http.StatusInternalServerError)
 		return
 	}
-	
+
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
 	if err := tmpl.Execute(w, nil); err != nil {
 		http.Error(w, "Template execution error: "+err.Error(), http.StatusInternalServerError)
@@ -84,7 +85,7 @@ func generateHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Set global basin time
-	basinTime = time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.Local)
+	basinTime = time.Date(year, time.Month(month), day, 0, 0, 0, 0, cstZone)
 
 	// Get class data
 	kbListResp, err := getKBListSafe(req.CurlCommand)
@@ -236,4 +237,4 @@ func StartWebServer(port int) {
 	fmt.Printf("⏹️  按Ctrl+C停止服务\n\n")
 
 	log.Fatal(http.ListenAndServe(portStr, nil))
-}
+}