[TOC] ## 引入包 ``` import "encoding/base64" ``` ## base64使用 代码示例： ``` 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)) ``` Output： ``` SGVsbG8sIOS4lueVjA== Hello, 世界 ```