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Add index paramenter in the URL path

This commit is contained in:
weizili.build9 2017-03-16 16:27:33 +08:00
parent 2876895043
commit 63f35008b0
1 changed files with 13 additions and 2 deletions
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15
server.go
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@ -4,6 +4,8 @@ import (
//"fmt" //"fmt"
"net/http" "net/http"
"text/template" "text/template"
"strconv"
"log"
) )
var ( var (
@ -13,14 +15,23 @@ var (
) )
func handler(w http.ResponseWriter, r *http.Request) { func handler(w http.ResponseWriter, r *http.Request) {
values := r.URL.Query()
i := values.Get("index")
if len(i) > 0 {
Index, _ = strconv.Atoi(i)
} else {
Index++
}
Index = Index % len(ChartFiles)
log.Printf("Index=%v rendering %v", Index, ChartFiles[Index])
tt, err := Parse(ChartFiles[Index]) tt, err := Parse(ChartFiles[Index])
if err != nil { if err != nil {
w.Write([]byte(err.Error())) w.Write([]byte(err.Error()))
return return
} }
Index++
Index = Index % len(ChartFiles)
if t, err := template.New("foo").Parse(tt.tmpl); err != nil { if t, err := template.New("foo").Parse(tt.tmpl); err != nil {
w.Write([]byte(err.Error())) w.Write([]byte(err.Error()))