1. 目录结构
   
   2.具体代码：

	const dataFile = "../data/data.json"_, fileName, _, _ := runtime.Caller(1)dataPath := path.Join(path.Dir(fileName), dataFile)fmt.Println(dataPath)// open filefile, err := os.Open(dataPath)if err != nil {log.Fatalln(err)}// don't forgot close file handlerdefer file.Close()