1. #string到int 
    2. int,err:=strconv.Atoi(string) 
    3. #string到int64 
    4. int64, err := strconv.ParseInt(string, 10, 64) 
    5. #int到string 
    6. string:=strconv.Itoa(int) 
    7. #int64到string 
    8. string:=strconv.FormatInt(int64,10)

    结构体转换json
    代替:
    b, _ := json.Marshal(&l) //var dm models.Short _ = json.Unmarshal(b, &dm)
    https://github.com/fatih/structs

    一个高性能 100% 兼容的“encoding/json”替代品
    https://github.com/json-iterator/go