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麻烦把这套java代码翻译成C#

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悬赏园豆：100 [待解决问题]

import java.io.UnsupportedEncodingException;
import java.util.Base64;

public class AjaxEncoder {

static private char[] alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-|".toCharArray();

static private byte[] codes = new byte[256];

static {
    for (int i = 0; i < 256; i++)
        codes[i] = -1;
    for (int i = 'A'; i <= 'Z'; i++)
        codes[i] = (byte) (i - 'A');
    for (int i = 'a'; i <= 'z'; i++)
        codes[i] = (byte) (26 + i - 'a');
    for (int i = '0'; i <= '9'; i++)
        codes[i] = (byte) (52 + i - '0');
    codes['_'] = 62;
    codes['-'] = 63;
}

static public char[] encode(byte[] data) {
    char[] out = new char[((data.length + 2) / 3) * 4];
    for (int i = 0, index = 0; i < data.length; i += 3, index += 4) {
        boolean quad = false;
        boolean trip = false;
        int val = (0xFF & (int) data[i]);
        val <<= 8;
        if ((i + 1) < data.length) {
            val |= (0xFF & (int) data[i + 1]);
            trip = true;
        }
        val <<= 8;
        if ((i + 2) < data.length) {
            val = (0x0F & (int) data[i]) | ((0x0F & (int) data[i + 2] << 4));
            val <<= 8;
            val |= ((0x0F & (int) data[i + 1]) << 4) | ((0xF0 & (int) data[i + 1]) >> 4);
            val <<= 8;
            val |= ((0xF0 & (int) data[i]) >> 4) | ((0xF0 & (int) data[i + 2]));
            quad = true;
        }
        out[index + 3] = alphabet[(quad ? (val & 0x3F) : 64)];
        val >>= 6;
        out[index + 2] = alphabet[(trip ? (val & 0x3F) : 64)];
        val >>= 6;
        out[index + 1] = alphabet[val & 0x3F];
        val >>= 6;
        out[index + 0] = alphabet[val & 0x3F];
    }
    return out;
}

static public String encode(String data) {
    String result = null;
    try {
        result = new String(encode(data.getBytes("UTF-8")));
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return result;
}

static public byte[] decode(char[] data) {
    int len = ((data.length + 3) / 4) * 3;
    if (data.length > 0 && data[data.length - 1] == alphabet[64])
        --len;
    if (data.length > 0 && data[data.length - 2] == alphabet[64])
        --len;
    byte[] out = new byte[len];
    int shift = 0;
    int accum = 0;
    int index = 0;
    for (int ix = 0; ix < data.length; ix++) {
        int value = codes[data[ix] & 0xFF];
        if (value >= 0) {
            accum <<= 6;
            shift += 6;
            accum |= value;
            if (shift >= 24) {
                accum = (accum & 0xF0) | ((accum & 0x0F) << 20) | ((accum & 0xF000) >> 4) | ((accum & 0x0F00) << 4) | ((accum & 0xF00000) >>
                        20) | (accum & 0x0F0000);
                while (shift > 0) {
                    shift -= 8;
                    out[index++] = (byte) ((accum >> shift) & 0xff);
                }
            }
        }
    }
    while (shift >= 8) {
        shift -= 8;
        out[index++] = (byte) ((accum >> shift) & 0xff);
    }
    if (index != out.length) {
        return null;
    }
    return out;
}

static public String decode(String data) {
    String result = null;
    try {
        result = new String(decode(data.toCharArray()), "UTF-8");
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return result;
}

}

问题补充：

这个是我自己翻译 的，但是加解密都对不上java的

using System;
using System.Collections.Generic;
using System.Text;

namespace AjaxEncoder
{
public class AjaxEncoder
{
private static char[] alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-|".ToCharArray();

     private static byte[] codes = new byte[256];

    public AjaxEncoder()
    {
        for (int i = 'A'; i <= 'Z'; i++)
            codes[i] = (byte)(i - 'A');
        for (int i = 'a'; i <= 'z'; i++)
            codes[i] = (byte)(26 + i - 'a');
        for (int i = '0'; i <= '9'; i++)
            codes[i] = (byte)(52 + i - '0');
        codes['_'] = 62;
        codes['-'] = 63;
    }

    public static char[] encode(byte[] data)
    {
        char[] out1 = new char[((data.Length + 2) / 3) * 4];
        for (int i = 0, index = 0; i < data.Length; i += 3, index += 4)
        {
            bool quad = false;
            bool trip = false;
            int val = (0xFF & (int)data[i]);
            val <<= 8;
            if ((i + 1) < data.Length)
            {
                val |= (0xFF & (int)data[i + 1]);
                trip = true;
            }
            val <<= 8;
            if ((i + 2) < data.Length)
            {
                val = (0x0F & (int)data[i]) | ((0x0F & (int)data[i + 2] << 4));
                val <<= 8;
                val |= ((0x0F & (int)data[i + 1]) << 4) | ((0xF0 & (int)data[i + 1]) >> 4);
                val <<= 8;
                val |= ((0xF0 & (int)data[i]) >> 4) | ((0xF0 & (int)data[i + 2]));
                quad = true;
            }
            out1[index +3] = alphabet[(quad ? (val & 0x3F) : 64)];
            val >>= 6;
            out1[index +2] = alphabet[(trip ? (val & 0x3F) : 64)];
            val >>= 6;
            out1[index +1] = alphabet[val & 0x3F];
            val >>= 6;
            out1[index +0] = alphabet[val & 0x3F];
        }
        return out1;
    }

    public static string encode(string data)
    {
        string result = null;
        try
        {
            result = new string(encode(Encoding.Default.GetBytes(data)));
        }
        catch (Exception e)
        {
            return e.Message;
        }
        return result;
    }

    public static byte[] decode(char[] data)
    {
        int len = ((data.Length + 3) / 4) * 3;
        if (data.Length > 0 && data[data.Length - 1] == alphabet[64])
            --len;
        if (data.Length > 0 && data[data.Length - 2] == alphabet[64])
            --len;
        byte[] out1 = new byte[len];
        int shift = 0;
        int accum = 0;
        int index = 0;
        for (int ix = 0; ix < data.Length; ix++)
        {
            int value = codes[data[ix] & 0xFF];
            if (value >= 0)
            {
                accum <<= 6;
                shift += 6;
                accum |= value;
                if (shift >= 24)
                {
                    accum = (accum & 0xF0) | ((accum & 0x0F) << 20) | ((accum & 0xF000) >> 4) | ((accum & 0x0F00) << 4) | ((accum & 0xF00000) >>
                            20) | (accum & 0x0F0000);
                    while (shift > 0)
                    {
                        shift -= 8;
                        out1[index++] = (byte)((accum >> shift) & 0xff);
                    }
                }
            }
        }
        while (shift >= 8)
        {
            shift -= 8;
            out1[index++] = (byte)((accum >> shift) & 0xff);
        }
        if (index != out1.Length) 
        {
            return null;
        }
        return out1;
    }

    public static string decode(string data)
    {
        string result = null;
        try
        {
            var ms = data.ToCharArray();
            result = Encoding.Default.GetString(decode(ms));
        }
        catch (Exception ex)
        {
            return ex.Message;
        }
        return result;
    }
}

}
周庆明的主页 周庆明 | 初学一级 | 园豆：63
提问于：2020-11-05 15:34

帮忙解决下，大佬们

 – 周庆明 4年前
< >
分享
所有回答(4)
1

为什么用默认编码不用utf-8的

slowstart | 园豆：525 (小虾三级) | 2020-11-05 15:58

这个我改了utf-8的，但是还是不行，第三方加密出的数据和我的完全不一样，解密我还会出错

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 16:00 
for (int i = 0; i < 256; i++)
        codes[i] = -1;

这段干嘛去掉

支持(0) 反对(0) slowstart | 园豆：525 (小虾三级) | 2020-11-05 16:07

@厘米~: 这段在C#中出错，强转也不行，C#的是从0开始的

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 16:12

@周庆明: 你可以用sbyte试试 https://www.cnblogs.com/passedbylove/p/11318983.html

支持(0) 反对(0) slowstart | 园豆：525 (小虾三级) | 2020-11-05 16:16

@厘米~: for (int i = 0; i < 256; i++)
codes[i] = -1 & 0xff;
其实我也加了这句，但是解密老是解不了最后一个“}” 因为out1数组老是长度不够

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 16:21

@厘米~: while (shift > 0)
{
shift -= 8;
out1[index++] = (byte)((accum >> shift) & 0xff);
}
就是这句老是越界

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 16:22

@周庆明: 🏳

支持(0) 反对(0) slowstart | 园豆：525 (小虾三级) | 2020-11-05 16:28
0

System.Web.HttpUtility.UrlEncode(str,System.Text.Encoding.UTF8);
System.Web.HttpUtility.UrlDecode(str,System.Text.Encoding.UTF8);

风中起舞 | 园豆：226 (菜鸟二级) | 2020-11-05 17:23

这个是第三方使用java定制的base64加密，必须要把java代码翻译过去

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 17:29

@周庆明: 发一个 加密前的数据和一个加密后的数据

支持(0) 反对(0) 风中起舞 | 园豆：226 (菜鸟二级) | 2020-11-05 17:31

@风中起舞:
加密前：{"YHBH":"1000000000","BJBH":"10049008","CXSJ":"2020/11/5 10:30:01"}
加密后：myJXiCREIqMiAQMzAAMzAAMzwCIjoiRCIoQkGiIzQAMzCQMzyCIjgjRSI6QlKiIzACMzHxMyD1MioQMzowMzIBMjfQ||

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 17:38
0

给一个加密前的数据和一个加密后的数据

雷。 | 园豆：775 (小虾三级) | 2020-11-05 17:37

加密前：{"YHBH":"1000000000","BJBH":"10049008","CXSJ":"2020/11/5 10:30:01"}
加密后：myJXiCREIqMiAQMzAAMzAAMzwCIjoiRCIoQkGiIzQAMzCQMzyCIjgjRSI6QlKiIzACMzHxMyD1MioQMzowMzIBMjfQ||

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 17:38

@周庆明: 加密规则是什么

支持(0) 反对(0) 雷。 | 园豆：775 (小虾三级) | 2020-11-05 17:40

@竜咚咚: 就是我贴出来的那两套代码，一个是java的，java是原版的，C#是翻译过来的，但是加解密都跟java对不上

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 17:41

@周庆明: 加密前：ABCDEFGHIJKLMNOPQRSTUVWXYZ
加密后：ASREBFREB4RECrREDeREABVVA0VVBnVVWVo|

你走一遍java的代码看看是否一致

支持(0) 反对(0) 风中起舞 | 园豆：226 (菜鸟二级) | 2020-11-05 17:56

@风中起舞: 可以，就是有几个字符乱码了

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 17:59

@周庆明: private void button3_Click(object sender, EventArgs e)
{
string data = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
string result = null;
try
{
result = new string(encode(Encoding.Default.GetBytes(data)));
MessageBox.Show(result);
}
catch (Exception exception)
{
Console.WriteLine(exception);
throw;
}

    }
    public static char[] encode(byte[] data)
    {
        char[] alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-|".ToCharArray();
        char[] outs = new char[((data.Length + 2) / 3) * 4];
        for (int i = 0, index = 0; i < data.Length; i += 3, index += 4)
        {
            bool quad = false;
            bool trip = false;
            int val = (0xFF & (int)data[i]);
            val <<= 8;
            if ((i + 1) < data.Length)
            {
                val |= (0xFF & (int)data[i + 1]);
                trip = true;
            }
            val <<= 8;
            if ((i + 2) < data.Length)
            {
                val = (0x0F & (int)data[i]) | ((0x0F & (int)data[i + 2] << 4));
                val <<= 8;
                val |= ((0x0F & (int)data[i + 1]) << 4) | ((0xF0 & (int)data[i + 1]) >> 4);
                val <<= 8;
                val |= ((0xF0 & (int)data[i]) >> 4) | ((0xF0 & (int)data[i + 2]));
                quad = true;
            }
            outs[index + 3] = alphabet[(quad ? (val & 0x3F) : 64)];
            val >>= 6;
            outs[index + 2] = alphabet[(trip ? (val & 0x3F) : 64)];
            val >>= 6;
            outs[index + 1] = alphabet[val & 0x3F];
            val >>= 6;
            outs[index + 0] = alphabet[val & 0x3F];
        }
        return outs;
    }

是有几个字符串乱码 全部替换为A了 你自己看看吧

支持(0) 反对(0) 风中起舞 | 园豆：226 (菜鸟二级) | 2020-11-05 18:02

@周庆明: using System;
using System.Text;
namespace HelloWorldApplication
{
class HelloWorld
{
static void Main(string[] args)
{
/* 我的第一个 C# 程序*/
string data = "{"YHBH":"1000000000","BJBH":"10049008","CXSJ":"2020/11/5 10:30:01"}";
var result = new string(encode(Encoding.Default.GetBytes(data)));
Console.WriteLine(result);
Console.ReadKey();
}
public static char[] encode(byte[] data)
{
char[] alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-|".ToCharArray();
char[] outs = new char[((data.Length + 2) / 3) * 4];
for (int i = 0, index = 0; i < data.Length; i += 3, index += 4)
{
bool quad = false;
bool trip = false;
int val = (0xFF & (int)data[i]);
val <<= 8;
if ((i + 1) < data.Length)
{
val |= (0xFF & (int)data[i + 1]);
trip = true;
}
val <<= 8;
if ((i + 2) < data.Length)
{
val = (0x0F & (int)data[i]) | ((0x0F & (int)data[i + 2] << 4));
val <<= 8;
val |= ((0x0F & (int)data[i + 1]) << 4) | ((0xF0 & (int)data[i + 1]) >> 4);
val <<= 8;
val |= ((0xF0 & (int)data[i]) >> 4) | ((0xF0 & (int)data[i + 2]));
quad = true;
}
outs[index + 3] = alphabet[(quad ? (val & 0x3F) : 64)];
val >>= 6;
outs[index + 2] = alphabet[(trip ? (val & 0x3F) : 64)];
val >>= 6;
outs[index + 1] = alphabet[val & 0x3F];
val >>= 6;
outs[index + 0] = alphabet[val & 0x3F];
}
return outs;
}
}

}

支持(0) 反对(0) 雷。 | 园豆：775 (小虾三级) | 2020-11-05 18:26

@周庆明: json 反编译一下 加密出来和JAVA的一致 你试试

支持(0) 反对(0) 雷。 | 园豆：775 (小虾三级) | 2020-11-05 18:28

@竜咚咚: 加密后是这个myJXiCREIqMiAQMzAAMzAAMzwCIjoiRCIoQkGiIzQAMzCQMzyCIjgjRSI6QlKiIzACMzHxMyD1MioQMzowMzIBMjfQ||，应该是不一样的

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 20:05

@风中起舞: 你这个加密方法跟我给出的是一样的呀

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-05 20:07

@周庆明: 用JAVA的环境和C#的环境 加密同一串 出来的结果是一致的啊

支持(0) 反对(0) 雷。 | 园豆：775 (小虾三级) | 2020-11-06 11:53

@竜咚咚: 我找到问题了，我给出来的java和原版java有点差异

支持(0) 反对(0) 周庆明 | 园豆：63 (初学一级) | 2020-11-06 13:47
0

static public char[] encode1(byte[] data) {
char[] out = new char[((data.length + 2) / 3) * 4];
for (int i = 0, index = 0; i < data.length; i += 3, index += 4) {
boolean quad = false;
boolean trip = false;
int val = (0xFF & (int) data[i]);
val <<= 8;
if ((i + 1) < data.length) {
val |= (0xFF & (int) data[i + 1]);
trip = true;
}
val <<= 8;
if ((i + 2) < data.length) {
val = (0x0F & (int) data[i]) | ((0x0F & (int) data[i + 2]） << 4);
val <<= 8;
val |= ((0x0F & (int) data[i + 1]) << 4) | ((0xF0 & (int) data[i + 1]) >> 4);
val <<= 8;
val |= ((0xF0 & (int) data[i]) >> 4) | ((0xF0 & (int) data[i + 2]));
quad = true;
}
out[index + 3] = alphabet[(quad ? (val & 0x3F) : 64)];
val >>= 6;
out[index + 2] = alphabet[(trip ? (val & 0x3F) : 64)];
val >>= 6;
out[index + 1] = alphabet[val & 0x3F];
val >>= 6;
out[index + 0] = alphabet[val & 0x3F];
}
return out;
}

周庆明 | 园豆：63 (初学一级) | 2020-11-06 13:47
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