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)
}
