gobyexample/074-json.go
Mark McGranaghan 354a9d862f reorder
2012-09-21 07:54:20 -07:00

35 lines
768 B
Go

package main
import ("encoding/json"; "fmt")
func main() {
// data to bytes/string
bol, _ := json.Marshal(true)
fmt.Println(string(bol))
num, _ := json.Marshal(1)
fmt.Println(string(num))
str, _ := json.Marshal("gopher")
fmt.Println(string(str))
arr, _ := json.Marshal([]string{"apple", "peach", "pear"})
fmt.Println(string(arr))
hsh, _ := json.Marshal(map[string]int{"apple": 5, "lettuce": 7})
fmt.Println(string(hsh))
// string to data
byt := []byte(`{"Name":"Wednesday","Age":6,"Parents":["Gomez","Morticia"]}`)
var dat map[string]interface{}
err := json.Unmarshal(byt, &dat)
if err != nil { panic(err) }
fmt.Println(dat)
name := dat["Name"].(string)
fmt.Println(name)
parents := dat["Parents"].([]interface{})
fmt.Println(parents)
}