#cat json.go
package main
import (
"fmt"
"encoding/json"
"os"
"io/ioutil"
)
var m map[string]string
func ReadFileAll(filePath string) ([]byte, error) {
f, err := os.Open(filePath)
if err != nil {
return nil, err
}
return ioutil.ReadAll(f)
}
func UnmarshalFile() (err error) {
var bytecodes []byte
m = map[string]string{}
bytecodes, err = ReadFileAll("file")
if err != nil {
return err
}
err = json.Unmarshal(bytecodes, &m)
if err != nil {
fmt.Printf("unmarshal failed\n")
}
for k, v := range m {
fmt.Println(k, v)
}
return err
}
func main() {
UnmarshalFile()
}