package main

import (

	"encoding/json"

	"fmt"

)

type IT struct {

	Company  string   `json:"company"`

	Subjects []string `json:"subjects"` //二次编码

	IsOk     bool     `json:"isok"`

	Price    float64  `json:"price"`

}

func main() {

	jsonBuf := `

	{

    "company": "itcast",

    "subjects": [

        "Go",

        "C++",

        "Python",

        "Test"

    ],

    "isok": true,

    "price": 666.666

}`

	var tmp IT                                   //定义一个结构体变量

	err := json.Unmarshal([]byte(jsonBuf), &tmp) //第二个参数要地址传递

	if err != nil {

		fmt.Println("err = ", err)

		return

	}

	//fmt.Println("tmp = ", tmp)

	fmt.Printf("tmp = %+v\n", tmp)

}

tmp = {Company:itcast Subjects:[Go C++ Python Test] IsOk:true Price:666.666}

package main

import (

	"encoding/json"

	"fmt"

)

type IT struct {

	Company  string   `json:"company"`

	Subjects []string `json:"subjects"` //二次编码

	IsOk     bool     `json:"isok"`

	Price    float64  `json:"price"`

}

func main() {

	jsonBuf := `

	{

    "company": "itcast",

    "subjects": [

        "Go",

        "C++",

        "Python",

        "Test"

    ],

    "isok": true,

    "price": 666.666

}`

	var tmp IT                                   //定义一个结构体变量

	err := json.Unmarshal([]byte(jsonBuf), &tmp) //第二个参数要地址传递

	if err != nil {

		fmt.Println("err = ", err)

		return

	}

	type IT2 struct {

		Subjects []string `json:"subjects"` //二次编码

	}

	var tmp2 IT2

	err = json.Unmarshal([]byte(jsonBuf), &tmp2) //第二个参数要地址传递

	if err != nil {

		fmt.Println("err = ", err)

		return

	}

	fmt.Printf("tmp2 = %+v\n", tmp2)

}

tmp2 = {Subjects:[Go C++ Python Test]}