efbfbd 是UTF-8编码中的一个特殊字符,它的Unicode码点是U+FFFD,被称为“替换字符”(REPLACEMENT CHARACTER)。当UTF-8解码器遇到一个无法解码的字节序列时,它会用U+FFFD来替换那些无法解析的字节,以避免程序崩溃或产生更严重的错误。在大多数情况下,U+FFFD会被渲染为一个黑色的菱形中间带有一个问号(�)。
UTF-8编码是可变长度的,但是我们的是定长,2个字节。当两个UTF-8编码的�,即EFBFBD EFBFBD,被当作GBK解码的时候。就会解码成3个字符,EFBF BDEF BFBD,在GBK编码中这三个字符就是大名鼎鼎的“锟斤拷”。
If I then run docker logs on the same container, the "magic bytes" (0xedabeedb) are garbled and each is replaced by 0xefbfbd. Here's an artificial example that demonstrates the phenomenon. Notice that when I do docker run I get the correct bytes on stdout. When I do docker logs, ...
In converting an MS Access database to MySQL UTF-8 a consistent error was made in translating high ASCII characters. For example the symbol '½', ASCII 0xbd, was translated to 0xefbfbd rather than 0xc2bd. There are thousands of these corrupted characters in the database. Can anyone ...
assert.strictEqual(decoder.write(Buffer.from('EFBFBDE2', 'hex')), '\ufffd'); Copy link Member TrottJun 15, 2016 Why this change? And if needed, maybe leave the old test too? Sorry, something went wrong. Copy link ContributorAuthor ...
// 输出 efbfbdefbfbd System.out.println(HexUtil.encodeHex("��", Charset.forName("UTF-8"))); // 借助 hutool 转成二进制 byte[] testBytes = HexUtil.decodeHex("efbfbdefbfbd"); // 使用 GBK 解码 String testResult = new String(testBytes, Charset.forName("GBK")); ...
In converting an MS Access database to MySQL UTF-8 a consistent error was made in translating high ASCII characters. For example the symbol '½', ASCII 0xbd, was translated to 0xefbfbd rather than 0xc2bd. There are thousands of these corrupted characters in the database. Can anyone ...