library: encoding/{binary, base64}

_cmptest/base64demo/base64.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"encoding/base64"
+	"fmt"
+)
+
+func main() {
+	msg := "Hello, 世界"
+	encoded := base64.StdEncoding.EncodeToString([]byte(msg))
+	fmt.Println(encoded)
+	decoded, err := base64.StdEncoding.DecodeString(encoded)
+	if err != nil {
+		fmt.Println("decode error:", err)
+		return
+	}
+	fmt.Println(string(decoded))
+}