（三十八）golang--json（对切片、map、结构体进行序列化）

package main

import (
    "encoding/json"
    "fmt"
)

type monster struct {
    Name     string
    Age      int
    Birthday string
    Sal      float64
    Skill    string
}

func testStruct() {
    m := monster{
        Name:     "牛魔王",
        Age:      10,
        Birthday: "1994-09-18",
        Sal:      10000.0,
        Skill:    "牛魔拳",
    }
    //序列化
    data, err := json.Marshal(&m)
    if err != nil {
        fmt.Println("序列化失败,error=", err)
    }
    fmt.Printf("序列化之后的结果：%v\n", string(data))
}

func testMap() {
    var a map[string]interface{}
    a = make(map[string]interface{})
    a["name"] = "孙悟空"
    a["age"] = 20
    a["address"] = "水帘洞"
    a["skill"] = "七十二变"
    data, err := json.Marshal(a)
    if err != nil {
        fmt.Println("序列化失败,error=", err)
    }
    fmt.Printf("序列化之后的结果：%v\n", string(data))
}

func testSlice() {
    var slice []map[string]interface{}
    var m1 map[string]interface{}

    m1 = make(map[string]interface{})
    m1["name"] = "孙悟空"
    m1["age"] = 20
    m1["address"] = "水帘洞"
    m1["skill"] = [2]string{"七十二变", "如意金箍棒"}
    slice = append(slice, m1)
    var m2 map[string]interface{}

    m2 = make(map[string]interface{})
    m2["name"] = "猪八戒"
    m2["age"] = 30
    slice = append(slice, m2)
    data, err := json.Marshal(slice)
    if err != nil {
        fmt.Println("序列化失败,error=", err)
    }
    fmt.Printf("序列化之后的结果：%v\n", string(data))
}

func testFloat64() {
    var a float64
    a = 0.987
    data, err := json.Marshal(a)
    if err != nil {
        fmt.Println("序列化失败,error=", err)
    }
    fmt.Printf("序列化之后的结果：%v\n", string(data))
}

func main() {
    testStruct()
    testMap()
    testSlice()
    testFloat64()
}