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40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
// Go provides built-in support for [base64
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// encoding/decoding](http://en.wikipedia.org/wiki/Base64).
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package main
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// This syntax imports the `encoding/base64` package with
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// the `b64` name instead of the default `base64`. It'll
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// save us some space below.
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import (
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b64 "encoding/base64"
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"fmt"
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)
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func main() {
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// Here's the `string` we'll encode/decode.
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data := "abc123!?$*&()'-=@~"
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// Go supports both standard and URL-compatible
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// base64. Here's how to encode using the standard
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// encoder. The encoder requires a `[]byte` so we
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// convert our `string` to that type.
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sEnc := b64.StdEncoding.EncodeToString([]byte(data))
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fmt.Println(sEnc)
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// Decoding may return an error, which you can check
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// if you don't already know the input to be
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// well-formed.
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sDec, _ := b64.StdEncoding.DecodeString(sEnc)
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fmt.Println(string(sDec))
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fmt.Println()
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// This encodes/decodes using a URL-compatible base64
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// format.
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uEnc := b64.URLEncoding.EncodeToString([]byte(data))
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fmt.Println(uEnc)
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uDec, _ := b64.URLEncoding.DecodeString(uEnc)
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fmt.Println(string(uDec))
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}
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