UTF-8 转 UNIcode

cheng_liu_irvine

于 2016-11-01 16:21:26 发布

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分类专栏： message

本文链接：https://blog.youkuaiyun.com/cheng_liu_irvine/article/details/52997097

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1 篇文章

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本文介绍了一种通过将中文字符串转换为Quoted-Printable编码格式的方法来解决中文显示乱码的问题。该方法首先检查输入字符串是否为空，然后使用UTF-8编码将字符串转换为字节数组，并对每个字节进行格式化处理。

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针对中文显示乱码

private String encodeQuotedPrintable(final String str) {
    if (TextUtils.isEmpty(str)) {
        return "";
    }
    final StringBuilder builder = new StringBuilder();
    int index = 0;
    int lineCount = 0;
    byte[] strArray = null;

    try {
        strArray = str.getBytes("UTF-8");
    } catch (UnsupportedEncodingException e) {
        strArray = str.getBytes();
    }
    while (index < strArray.length) {
        builder.append(String.format("=%02X", strArray[index]));
        index += 1;
        lineCount += 3;

        if (lineCount >= 67) {
            // Specification requires CRLF must be inserted before the
            // length of the line
            // becomes more than 76.
            // Assuming that the next character is a multi-byte character,
            // it will become
            // 6 bytes.
            // 76 - 6 - 3 = 67
            builder.append("=\r\n");
            lineCount = 0;
        }
    }
    return builder.toString();
}