将字节数组转换为base64字符串 [英] Convert byte array to base64 string

问题描述

请问有人知道如何在Java中将字节数组转换为以64为基数的字符串，以及从基数64字符串转换为以字节数为字节的数组.Java

Hi,
Please does anyone know how I can convert a byte array to base 64 string and from a base 64 string to a byte array in Java

推荐答案

Google知道全部("java字节数组到base64).认真的家伙，我花了整整20秒的时间使用google找到了它:

Google knows all ("java byte array to base64"). Seriously dude, it took me all of 20 seconds to find this using google:

try {
    // Convert a byte array to base64 string
    byte[] buf = new byte[]{0x12, 0x23};
    String s = new sun.misc.BASE64Encoder().encode(buf);

    // Convert base64 string to a byte array
    buf = new sun.misc.BASE64Decoder().decodeBuffer(s);
} catch (IOException e) {
}

编辑===============

为什么要将此标记为答案，然后取消标记呢?

再次编辑==============

您是否在搜寻如何从base64字符串返回字节数组时遇到麻烦?我发现了一个页面，其中包含两种代码:

http://www.rgagnon.com/javadetails/java-0598.html [ ^ ]

EDIT ===============

Why did you mark this as the answer, and then un-mark it?

EDIT AGAIN ==============

Did you have trouble googling how to go back to a byte array from a base64 string? I found a page that has code for going both ways:

http://www.rgagnon.com/javadetails/java-0598.html[^]

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