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json.go
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package commonUtils
import (
"io/ioutil"
"os"
"path/filepath"
)
func ReadJsonFile(jsonPath string, createDirIfNotExist bool) (b []byte, err error) {
// quick use tip
// var b []byte = readJsonFile(trackListFn, true)
// json.Unmarshal(b, &t)
var jsonDir string
jsonDir, _ = filepath.Split(jsonPath)
if jsonDir == "" {
jsonDir = "./"
}
_, err = os.Stat(jsonDir)
if err != nil {
if os.IsNotExist(err) {
if createDirIfNotExist {
os.MkdirAll(jsonDir, os.ModePerm)
}
} else {
return
}
} else {
var jsonFile *os.File
jsonFile, err = os.Open(jsonPath)
defer jsonFile.Close()
if err != nil {
if os.IsNotExist(err) {
return
} else {
return
}
}
b, _ = ioutil.ReadAll(jsonFile)
}
return
}
func SaveToJson(b []byte, jsonPath string) (err error) {
// quick use tip
// b, err := json.Marshal(*v)
// if err != nil {
// log.Panicln(err)
// }
// SaveToJson(b, varJsonPath)
err = ioutil.WriteFile(jsonPath, b, 0644)
if err != nil {
return
}
return
}