import (
    "encoding/json"
    "fmt"
)
type Student struct {
    ID     int
    Gender string
    Name   string //私有属性不能被json包访问
    Sno    string
}
func main() {
    var s1 = Student{
        ID:     12,
        Gender: "男",
        Name:   "李四",
        Sno:    "s0001",
    }
    fmt.Printf("%#v\n", s1) //main.Student{ID:12, Gender:"男", Name:"李四", Sno:"s0001"}
    jsonByte, _ := json.Marshal(s1)
    jsonStr := string(jsonByte)
    fmt.Printf("%v", jsonStr) //{"ID":12,"Gender":"男","Name":"李四","Sno":"s0001"}
}

package main
import (
    "encoding/json"
    "fmt"
)
type Student struct {
    ID     int
    Gender string
    Name   string //私有属性不能被json包访问
    Sno    string
}
func main() {
    //json字符串
    var str = `{"ID":12,"Gender":"男","Name":"李四","Sno":"s0001"}`
    var s1 Student
    err := json.Unmarshal([]byte(str), &s1)
    if err != nil {
        fmt.Println(err)
    }
    fmt.Printf("%#v\n", s1)
    fmt.Println(s1.Name)
}

package main
import (
    "encoding/json"
    "fmt"
)
//结构体标签
type Student struct {
    Id     int    `json:"id"`
    Gender string `json:"gender"`
    Name   string `json:"name"` //私有属性不能被json包访问
    Sno    string `json:"sno"`
}
func main() {
    var s1 = Student{
        Id:     12,
        Gender: "男",
        Name:   "李四",
        Sno:    "s0001",
    }
    fmt.Printf("%#v\n", s1) //main.Student{Id:12, Gender:"男", Name:"李四", Sno:"s0001"}
    jsonByte, _ := json.Marshal(s1)
    jsonStr := string(jsonByte)
    fmt.Printf("%v", jsonStr) //{"id":12,"gender":"男","name":"李四","sno":"s0001"}
}

package main
import (
    "encoding/json"
    "fmt"
)
//Student 学生
type Student struct {
    Id     int
    Gender string
    Name   string
}
//Class 班级
type Class struct {
    Title    string
    Students []Student
}
func main() {
    c := Class{
        Title:    "001班",
        Students: make([]Student, 0),
    }
    for i := 1; i <= 10; i++ {
        s := Student{
            Id:     i,
            Gender: "男",
            Name:   fmt.Sprintf("stu_%v", i),
        }
        c.Students = append(c.Students, s)
    }
    // fmt.Println(c)
    strByte, err := json.Marshal(c)
    if err != nil {
        fmt.Println(err)
    } else {
        strJson := string(strByte)
        fmt.Println(strJson)
    }
}

package main
import (
    "encoding/json"
    "fmt"
)
//Student 学生
type Student struct {
    ID     int
    Gender string
    Name   string
}
//Class 班级
type Class struct {
    Title    string
    Students []Student
}
func main() {
    str := `{"Title":"001班","Students":[{"Id":1,"Gender":"男","Name":"stu_1"},{"Id":2,"Gender":"男","Name":"stu_2"},{"Id":3,"Gender":"男","Name":"stu_3"},{"Id":4,"Gender":"男","Name":"stu_4"},{"Id":5,"Gender":"男","Name":"stu_5"},{"Id":6,"Gender":"男","Name":"stu_6"},{"Id":7,"Gender":"男","Name":"stu_7"},{"Id":8,"Gender":"男","Name":"stu_8"},{"Id":9,"Gender":"男","Name":"stu_9"},{"Id":10,"Gender":"男","Name":"stu_10"}]}`
    var c = &Class{}
    err := json.Unmarshal([]byte(str), c)
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Printf("%#v\n", c)
        fmt.Printf("%v", c.Title)
    }
}