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| package main
import (
"fmt"
"html/template"
"net/http"
"os"
"github.com/julienschmidt/httprouter"
log "github.com/sirupsen/logrus"
"github.com/urfave/negroni"
negronilogrus "github.com/meatballhat/negroni-logrus"
)
func index(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
data := map[string]string{
"name": "Guest",
"content": "這是首頁",
}
t := template.Must(template.ParseFiles("./views/layout.html", "./views/head.html", "./views/index.html"))
err := t.ExecuteTemplate(w, "layout", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func hello(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
data := map[string]string{
"name": p.ByName("name"),
"content": "這是我的網站",
}
t := template.Must(template.ParseFiles("./views/layout.html", "./views/head.html", "./views/index.html"))
err := t.ExecuteTemplate(w, "layout", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func calculator(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
data := map[string]string{
"name": "Guest",
"content": "這是首頁",
}
t := template.Must(template.ParseFiles("./views/calculator/layout.html", "./views/head.html", "./views/calculator/calculator.html"))
err := t.ExecuteTemplate(w, "layout", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func notFound(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
data := map[string]string{
"name": "Guest",
}
t := template.Must(template.ParseFiles("./views/layout.html", "./views/head.html", "./views/errorpage/NotFoundPage.html"))
err := t.ExecuteTemplate(w, "layout", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func errHandler(w http.ResponseWriter, r *http.Request, p interface{}) {
w.WriteHeader(http.StatusInternalServerError)
data := map[string]string{
"name": "Guest",
}
t := template.Must(template.ParseFiles("./views/layout.html", "./views/head.html", "./views/errorpage/ServerErrorPage.html"))
err := t.ExecuteTemplate(w, "layout", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func main() {
host := "127.0.0.1"
port := "8080"
output := ""
args := os.Args[1:]
for {
if len(args) < 2 {
break
} else if args[0] == "-h" || args[0] == "--host" {
host = args[1]
args = args[2:]
} else if args[0] == "-p" || args[0] == "--port" {
port = args[1]
args = args[2:]
} else if args[0] == "-l" || args[0] == "--log" {
output = args[1]
args = args[2:]
} else {
log.Fatalln(fmt.Sprintf("Unknown parameter : %s", args[0]))
}
}
mux := httprouter.New()
mux.GET("/", index)
mux.GET("/myexercise/hello/:name", hello)
mux.GET("/myexercise/calculator", calculator)
mux.ServeFiles("/js/*filepath", http.Dir("./static/js"))
mux.ServeFiles("/css/*filepath", http.Dir("./static/css"))
mux.NotFound = http.HandlerFunc(notFound)
mux.PanicHandler = errHandler
l := log.New()
var f *os.File
var err error
if output != "" {
f, err = os.Create(output)
if err != nil {
log.Fatal(err)
}
defer f.Close()
l.SetOutput(f)
}
n := negroni.Classic()
n.Use(negronilogrus.NewMiddlewareFromLogger(l, "web"))
n.UseHandler(mux)
server := http.Server{
Addr: fmt.Sprintf("%s:%s", host, port),
Handler: n,
}
l.Println(fmt.Sprintf("服務器即將開啟, 訪問地址 http://%s:%s", host, port))
l.Fatal(server.ListenAndServe())
}
|
