Use the encoding/base64.StdEncoding function in the Go language documentation to implement Base64 encoding

Base64 encoding is an encoding method that converts raw data into readable strings and is widely used in computer networks. In the Go language, you can use the encoding/base64.StdEncoding function to implement Base64 encoding. The specific code examples are as follows:

package main

import (
    "encoding/base64"
    "fmt"
)

func main() {
    // 定义一个原始数据
    data := []byte("Hello, world!")

    // 使用StdEncoding进行Base64编码
    encData := base64.StdEncoding.EncodeToString(data)
    fmt.Println(encData)

    // 使用StdEncoding进行Base64解码
    decData, err := base64.StdEncoding.DecodeString(encData)
    if err != nil {
        panic(err)
    }
    fmt.Println(string(decData))
}

In the above code, a raw data data is first defined, This data is then Base64 encoded using the base64.StdEncoding.EncodeToString() function and the result is stored in the variable encData. Then use the base64.StdEncoding.DecodeString() function to Base64 decode encData and store the result in the variable decData. Finally, use the fmt.Println() function to print out the encoded and decoded results.

In actual use, Base64 encoding is often used to convert binary data into readable strings. For example, it is often used in scenarios such as sending attachments in mailboxes and using HTTP to transfer files. The encoding/base64 package provided in the Go language provides convenient and easy-to-use Base64 encoding and decoding functions. Developers can flexibly use these functions to achieve their own needs.

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