1. package main
    3. import (
    4.     "encoding/json"
    5.     "fmt"
    6. )
    8. type addr struct {
    9.     Province string
    10.     City string
    11. }
    13. type stu struct {
    14.     Name string
    15.     Age int
    16.     Addr addr
    17. }
    19. func main()  {
    20.     var stu01 = stu{
    21.         Name: "xiaoming",
    22.         Age: 16,
    23.         Addr: addr{
    24.             Province: "henan",
    25.             City: "xinyang",
    26.         },
    27.     }
    28.     json_str, _ := json.Marshal(stu01)
    29.     fmt.Printf("%#v", string(json_str))
    30. }
    32. 输出：
    33. //"{\"Name\":\"xiaoming\",\"Age\":16,\"Addr\":{\"Province\":\"henan\",\"City\":\"xinyang\"}}"