hex-convert/server/server.go
2019-10-02 17:24:19 +08:00

120 lines
3.4 KiB
Go

// Copyright © 2018 ehlxr <ehlxr.me@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package server
import (
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"strconv"
"strings"
"github.com/ehlxr/hex-convert/gen"
"github.com/ehlxr/hex-convert/converter"
)
func decimal(w http.ResponseWriter, req *http.Request) {
scale, _ := strconv.Atoi(req.FormValue("scale"))
data := req.FormValue("data")
result, err := converter.ToDecimal(scale, data)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
log.Println(result)
_, _ = fmt.Fprintf(w, "<a href='/'>首页</a><br> %s", strconv.Itoa(result))
}
func binary(w http.ResponseWriter, req *http.Request) {
scale, _ := strconv.Atoi(req.FormValue("scale"))
data := req.FormValue("data")
result, err := converter.ToBinary(scale, data)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
log.Println(result)
_, _ = fmt.Fprintf(w, "<a href='/'>首页</a><br> %s", result)
}
func submit(w http.ResponseWriter, req *http.Request) {
scale, _ := strconv.Atoi(req.FormValue("scale"))
data := req.FormValue("data")
var bd, od, dd, hd string
if scale != 2 && scale != 8 && scale != 10 && scale != 16 {
bd, od, dd, hd = "", "", "", ""
} else {
bd, _ = converter.ToBinary(scale, data)
d, err := converter.ToDecimal(scale, data)
if err == nil {
dd = strconv.Itoa(d)
}
od, _ = converter.ToOctal(scale, data)
hd, _ = converter.ToHex(scale, data)
}
log.Printf("%s %s %s %s", bd, od, dd, hd)
_, _ = fmt.Fprintf(w, "<a href='/'>首页</a><br>二进制:%s 八进制:%s 十进制:%s 十六进制:%s", bd, od, dd, hd)
}
func index(w http.ResponseWriter, r *http.Request) {
f, err := gen.Assets.Open("/index.tpl")
if err != nil {
log.Fatalln(err)
}
defer f.Close()
fd, err := ioutil.ReadAll(f)
if err != nil {
panic(err)
}
_, _ = fmt.Fprintf(w, string(fd))
}
func Start(host string, port int) error {
http.HandleFunc("/", index)
http.HandleFunc("/d", decimal)
http.HandleFunc("/b", binary)
http.HandleFunc("/s", submit)
addr := fmt.Sprintf("%s:%d", host, port)
if strings.Contains(addr, "0.0.0.0") {
addr = strings.Replace(addr, "0.0.0.0", "", 1)
host = strings.Replace(host, "0.0.0.0", "127.0.0.1", 1)
}
fmt.Printf("server start on: %s\n", fmt.Sprintf("http://%s:%d", host, port))
if err := http.ListenAndServe(addr, nil); err != nil {
return fmt.Errorf("ListenAndServe: %v", err)
}
return nil
}