Java转golang_json数组转json对象

package main

import (
   "encoding/json"
   "fmt"
)

type Person struct {
   Name string `json:"name"`
   Age int `json:"age"`
   Addr string `json:"addr,omitempty"` //不存在,则忽略.存在则,不忽略
}
type Animal struct {
   Name string `json:"name"`
   Sex string `json:"sex"`
   Color string `json:"-"` //永久忽略
}

type Alien struct {
   Name string `json:"name"`
   Sex string `json:"sex"`
   Height string `json:"height"`
}

func main() {
   p1 := Person{
      Name: "code",
      Age: 30,
      Addr: "北京",
   }

   data, err := json.Marshal(p1)
   if err != nil {
      fmt.Println(err)
   }
   fmt.Printf("%s\n", data)

   a1:=Animal{
      Name: "花花",
      Sex: "女",
      Color: "黄色",
   }
   data, err = json.Marshal(a1)
   if err != nil {
      fmt.Println(err)
   }
   fmt.Printf("%s\n", data)

   a2:=Alien{
      Name: "smart",
      Sex: "没有性别",
      Height: "20m",
   }
   data, err = json.Marshal(a2)
   if err != nil {
      fmt.Println(err)
   }
   fmt.Printf("%s\n", data)
}