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base64-encoding
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Go by Example မြန်မာဘာသာ: Base64 Encoding</title>
<link rel=stylesheet href="site.css">
</head>
<script>
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<body>
<div class="example" id="base64-encoding">
<h2><a href="./">Go by Example မြန်မာဘာသာ</a>: Base64 Encoding</h2>
<table>
<tr>
<td class="docs">
<p>Go သည် <a href="https://en.wikipedia.org/wiki/Base64">base64 encoding/decoding</a> အတွက် built-in support ပေးပါသည်။</p>
</td>
<td class="code empty leading">
</td>
</tr>
<tr>
<td class="docs">
</td>
<td class="code leading">
<a href="https://go.dev/play/p/sQ5T52AQKpR"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
<pre class="chroma"><span class="kn">package</span> <span class="nx">main</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p>ဒီ syntax သည် <code>encoding/base64</code> package ကို ပုံမှန် <code>base64</code> အစား <code>b64</code> နာမည်နဲ့ import လုပ်ပါတယ်။
ဒီလိုလုပ်ခြင်းဖြင့် အောက်မှာ နေရာ (space) ချွေတာနိုင်ပါတယ်။</p>
</td>
<td class="code leading">
<pre class="chroma">
<span class="kn">import</span> <span class="p">(</span>
<span class="nx">b64</span> <span class="s">"encoding/base64"</span>
<span class="s">"fmt"</span>
<span class="p">)</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p>ဒီမှာ encode/decode လုပ်မယ့် <code>string</code> ပါ။</p>
</td>
<td class="code leading">
<pre class="chroma"><span class="kd">func</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
</td>
<td class="code leading">
<pre class="chroma"> <span class="nx">data</span> <span class="o">:=</span> <span class="s">"abc123!?$*&()'-=@~"</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p>Go သည် စံပြနှင့် URL-compatible base64 နှစ်မျိုးလုံးကို ထောက်ပံ့ပါတယ်။
ဒီမှာ စံပြ encoder ကိုသုံးပြီး encode လုပ်ပုံပြထားပါတယ်။
encoder သည် <code>[]byte</code> လိုအပ်သောကြောင့် ကျွန်ုပ်တို့၏ <code>string</code> ကို ထိုအမျိုးအစားသို့ ပြောင်းလဲပါသည်။</p>
</td>
<td class="code leading">
<pre class="chroma">
<span class="nx">sEnc</span> <span class="o">:=</span> <span class="nx">b64</span><span class="p">.</span><span class="nx">StdEncoding</span><span class="p">.</span><span class="nf">EncodeToString</span><span class="p">([]</span><span class="nb">byte</span><span class="p">(</span><span class="nx">data</span><span class="p">))</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nx">sEnc</span><span class="p">)</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p>Decoding သည် error ပြန်နိုင်ပါတယ်။ input က ကောင်းမွန်စွာ ဖွဲ့စည်းထားကြောင်း သင်မသိသေးပါက
စစ်ဆေးနိုင်ပါသည်။</p>
</td>
<td class="code leading">
<pre class="chroma">
<span class="nx">sDec</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">b64</span><span class="p">.</span><span class="nx">StdEncoding</span><span class="p">.</span><span class="nf">DecodeString</span><span class="p">(</span><span class="nx">sEnc</span><span class="p">)</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">sDec</span><span class="p">))</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">()</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p>ဒီအပိုင်းသည် URL-compatible base64 format ကိုသုံးပြီး encode/decode လုပ်ပါတယ်။</p>
</td>
<td class="code">
<pre class="chroma">
<span class="nx">uEnc</span> <span class="o">:=</span> <span class="nx">b64</span><span class="p">.</span><span class="nx">URLEncoding</span><span class="p">.</span><span class="nf">EncodeToString</span><span class="p">([]</span><span class="nb">byte</span><span class="p">(</span><span class="nx">data</span><span class="p">))</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nx">uEnc</span><span class="p">)</span>
<span class="nx">uDec</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">b64</span><span class="p">.</span><span class="nx">URLEncoding</span><span class="p">.</span><span class="nf">DecodeString</span><span class="p">(</span><span class="nx">uEnc</span><span class="p">)</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">uDec</span><span class="p">))</span>
<span class="p">}</span>
</pre>
</td>
</tr>
</table>
<table>
<tr>
<td class="docs">
<p>စံပြ(standard)နှင့် URL base64 encoders
များသည် string ကို
အနည်းငယ်ကွဲပြားသော တန်ဖိုးများအဖြစ်
encode လုပ်ပါသည်
(နောက်ဆုံးတွင် <code>+</code> နှင့် <code>-</code> အသုံးပြုခြင်း)
သို့သော် ၎င်းတို့နှစ်ခုလုံးသည် မူရင်း string သို့
လိုအပ်သလို ပြန်လည် decode လုပ်နိုင်ပါသည်။</p>
</td>
<td class="code leading">
<pre class="chroma">
<span class="gp">$</span> go run base64-encoding.go
<span class="go">YWJjMTIzIT8kKiYoKSctPUB+
</span><span class="go">abc123!?$*&()'-=@~</span></pre>
</td>
</tr>
<tr>
<td class="docs">
</td>
<td class="code">
<pre class="chroma"><span class="go">YWJjMTIzIT8kKiYoKSctPUB-
</span><span class="go">abc123!?$*&()'-=@~</span></pre>
</td>
</tr>
</table>
<p class="next">
နောက်ဥပမာ: <a href="reading-files">Reading Files</a>.
</p>
<p class="footer">
by <a href="https://markmcgranaghan.com">Mark McGranaghan</a> နှင့် <a href="https://eli.thegreenplace.net">Eli Bendersky</a> | <a href="https://github.com/mmcgrana/gobyexample">source</a> | <a href="https://github.com/mmcgrana/gobyexample#license">license</a>
</p>
</div>
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codeLines.push('');codeLines.push('package main\u000A');codeLines.push('import (\u000A b64 \"encoding/base64\"\u000A \"fmt\"\u000A)\u000A');codeLines.push('func main() {\u000A');codeLines.push(' data :\u003D \"abc123!?$*\u0026()\'-\u003D@~\"\u000A');codeLines.push(' sEnc :\u003D b64.StdEncoding.EncodeToString([]byte(data))\u000A fmt.Println(sEnc)\u000A');codeLines.push(' sDec, _ :\u003D b64.StdEncoding.DecodeString(sEnc)\u000A fmt.Println(string(sDec))\u000A fmt.Println()\u000A');codeLines.push(' uEnc :\u003D b64.URLEncoding.EncodeToString([]byte(data))\u000A fmt.Println(uEnc)\u000A uDec, _ :\u003D b64.URLEncoding.DecodeString(uEnc)\u000A fmt.Println(string(uDec))\u000A}\u000A');codeLines.push('');codeLines.push('');
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