工作室业务
a、承接中小服务迁移、部署
b、腾讯云优惠
struct convert json
代码语言:txt复制package main
import (
"encoding/json"
"fmt"
)
func main() {
// 2、初始化结构体
s := Student{
Id: 1,
Name: "zhangpeng",
Address: "shenzhen",
Age: 24,
}
//fmt.Printf("%T %#v", s, s)
//s1, _ := json.Marshal(s)
//fmt.Println(string(s1))
//fmt.Println("从这里开始是内存地址", s1)
// 3、讲结构体转化为json
sByte, err := json.Marshal(s)
if err != nil {
fmt.Println("json.Marshal err,", err)
}
fmt.Println("这是json格式:", string(sByte))
fmt.Println("byte类型数据:", sByte)
}
// 1、定义结构体
type Student struct {
Id int
Name string
Address string
Age int
}
C:UsersAdministratorAppDataLocalTempGoLand___go_build_struct_json_go.exe
这是json格式: {"Id":1,"Name":"zhangpeng","Address":"shenzhen","Age":24}
byte类型数据: [123 34 73 100 34 58 49 44 34 78 97 109 101 34 58 34 122 104 97 110 1 50 52 125]
Process finished with the exit code 0
json convert struct
代码语言:txt复制package main
import (
"encoding/json"
"fmt"
)
// 1、定义结构体
type Student2 struct {
Id int
Name string
Address string
Age int
}
func main() {
// 2、将json字符串转换成结构团体
var jS = `{"Id":1,"Name":"zhangpeng","Address":"shenzhen","Age":24}`
// 初始化结构体
var s Student2
// 将string类型的数据转换为一个[]byte类型数据
byteS := []byte(jS)
// err := json.Unmarshal([]byte(jS), &s)
err := json.Unmarshal(byteS, &s)
if err != nil {
fmt.Printf("Unmarshal err%vn", err)
}
fmt.Println(s.Id, s.Name, s.Address, s.Age)
fmt.Println(s)
}
1 zhangpeng shenzhen 24
{1 zhangpeng shenzhen 24}
Process finished with the exit code 0