func main() { //t := time.Now() t1 := time.Now() //现在是12点整(假设),那t1记录的就是12点整 t2 := t1.Add(-time.Hour) //那t1的时间点 **加上(Add)** 1个小时,是几点呢? fmt.Println(t2) //13点(呵呵) fmt.Println(t2.Format("2006010215")) fmt.Println(now.Monday()) day := 7 var i, h int for i = 1; i <= day; i++ { for h = 1; h <= 24; h++ { // -h*i 不能直接 t1.Add(-h*i*time.Hour) 会报错 // invalid operation: time.Hour * h (mismatched types time.Duration and int) // 需要使用time.Duration来转变类型. t2 := t1.Add(time.Duration(-h*i) * time.Hour) fmt.Println(t2.Format("2006010215")) } } //time.Sleep(10 * time.Second) }
func makeFood() { //xpath für Beilagen: /html/body/div[@id='menu']/div/div[@class='detail']/p/text() //xpath für Gerichte: /html/body/div[@id='menu']/div/div[@class='detail']/p/*/text() html := getfood() path := xmlpath.MustCompile("/html/body/div[@id='menu']/div/div[@class='detail']/p/text()") //fmt.Println(html) strong := regexp.MustCompile("<strong>") strong2 := regexp.MustCompile("</strong>") // html = strong.replaceAllString(html," strong ") // html = strong2.replaceAllString(html," Strong ") html = strong.ReplaceAllString(html, "") html = strong2.ReplaceAllString(html, " ") root, err := xmlpath.ParseHTML(strings.NewReader(html)) if err != nil { log.Fatal(err) } c := ical.NewBasicVCalendar() c.PRODID = "golang food" components := []ical.VComponent{} const layout = time.StampNano var AddToGetToRightDay = 0 it := path.Iter(root) for it.Next() { s := it.Node().String() //if s == "" { // break //} var e ical.VEvent e.UID = string(time.Now().Format(layout)) e.DTSTAMP = time.Now() //t2 := now.AddDate(0, 0, 7).Format(layout) Day := now.Monday().AddDate(0, 0, AddToGetToRightDay) hours, _ := time.ParseDuration("11h") hoursah, _ := time.ParseDuration("0.5h") DayWTime := Day.Add(hours) e.DTSTART = DayWTime e.DTEND = DayWTime.Add(hoursah) e.SUMMARY = s if AddToGetToRightDay == 4 { AddToGetToRightDay = 0 } else { AddToGetToRightDay++ } components = append(components, &e) // fmt.Println(string(e.DTSTART.Format(layout)) + ":") // fmt.Println(s) } c.VComponent = components fmt.Print("content-type: text/plain; charset=utf-8\r\n") fmt.Print("\r\n") c.Encode(os.Stdout) }