动态更新Yaml文件

Question

I want to update a YAML file dynamically via an HTTP POST request. I don't want to use reflection. Is there any other option to update an yaml files?

yaml File

name: John Doe             
address: myStreet 10      
counter: 10         
calorie: 1000

type person struct {
    Name              string 
    Address           string 
    Counter           int    
    Calorie           int    
}

var dat = `{"counter": 10, "calorie": 500 }`

func main() {
    yamlFile, err := ioutil.ReadFile(filename)
    if err != nil {
        log.Fatalln(err)
    }
    err = yaml.Unmarshal(yamlFile, &p2)
    if err != nil {
        log.Fatalln(err)
    }
    var p = &person{}
    err := json.Unmarshal([]byte(dat), p)
    if err != nil {
        log.Fatalln(err)
    }
}