一段js MD5。加密 转换C#语法过程
A 帮忙把这段js脚本转换 c#语言.
JS:
function md5 (bit,sMessage) {debugger
//var sMessage = this;
function RotateLeft(lValue, iShiftBits) { return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits)); }
function AddUnsigned(lX, lY) {
var lX4, lY4, lX8, lY8, lResult;
lX8 = (lX & 0x80000000);
lY8 = (lY & 0x80000000);
lX4 = (lX & 0x40000000);
lY4 = (lY & 0x40000000);
lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
if (lX4 & lY4) return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
if (lX4 | lY4) {
if (lResult & 0x40000000) return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
else return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
} else return (lResult ^ lX8 ^ lY8);
}
function F(x, y, z) { return (x & y) | ((~x) & z); }
function G(x, y, z) { return (x & z) | (y & (~z)); }
function H(x, y, z) { return (x ^ y ^ z); }
function I(x, y, z) { return (y ^ (x | (~z))); }
function FF(a, b, c, d, x, s, ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
}
function GG(a, b, c, d, x, s, ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
}
function HH(a, b, c, d, x, s, ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
}
function II(a, b, c, d, x, s, ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
}
function ConvertToWordArray(sMessage) {
var lWordCount;
var lMessageLength = sMessage.length;
var lNumberOfWords_temp1 = lMessageLength + 8;
var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
var lWordArray = Array(lNumberOfWords - 1);
var lBytePosition = 0;
var lByteCount = 0;
while (lByteCount < lMessageLength) {
lWordCount = (lByteCount - (lByteCount % 4)) / 4;
lBytePosition = (lByteCount % 4) * 8;
lWordArray[lWordCount] = ( lWordArray[lWordCount] | (sMessage.charCodeAt(lByteCount) << lBytePosition));
lByteCount++;
}
lWordCount = (lByteCount - (lByteCount % 4)) / 4;
lBytePosition = (lByteCount % 4) * 8;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
return lWordArray;
}
function WordToHex(lValue) {
var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
for (lCount = 0; lCount <= 3; lCount++) {
lByte = (lValue >>> (lCount * 8)) & 255;
WordToHexValue_temp = "0" + lByte.toString(16);
WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
}
return WordToHexValue;
}
debugger
var x = Array();
var k, AA, BB, CC, DD, a, b, c, d
var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
// Steps 1 and 2. Append padding bits and length and convert to words
x = ConvertToWordArray(sMessage);
// Step 3. Initialise
a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
// Step 4. Process the message in 16-word blocks
for (k = 0; k < x.length; k += 16) {
AA = a; BB = b; CC = c; DD = d;
a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
a = AddUnsigned(a, AA); b = AddUnsigned(b, BB); c = AddUnsigned(c, CC); d = AddUnsigned(d, DD);
}
if (bit == 32) {
return WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
}
else {
return WordToHex(b) + WordToHex(c);
}
}
开始一看都是 &，^，>> 16进制头晕。中间想过 c# 执行js http://www.voidcn.com/article/p-aydnjind-be.html 后面老大说 方案不通过。只能翻译了。
过程：
第一步 ：内心思考 有没有JavaScript转换c#的 在线工具 一搜 发现http://www.m2h.nl/files/js_to_c.php
第二步：工具也不能完全修正 有些语法 JavaScript存在 c#不存在的，只能人工修改错误了。
第3步：js参数 在c#是需要类型的 统一 dynamic 动态编译运行。参数 问题解决。
第4步：c#不存在>>>无符号运行符号
对应的c#代码：
/// <summary>
/// 无符号右移，与JS中的>>>等价
/// </summary>
/// <param name="x">要移位的数</param>
/// <param name="y">移位数</param>
/// <returns></returns>
private static dynamic UIntMoveRight(dynamic x, dynamic y)
{
dynamic mask = 0x7fffffff; //Integer.MAX_VALUE
for (dynamic i = ; i < y; i++)
{
x >>= ;
x &= mask;
}
return x;
}
第5步：c#不存在 CharCodeAt https://stackoverflow.com/questions/22550825/what-is-the-charcodeat-equivalent-in-c
/// <summary>
/// js charCodeAt=>c#
/// </summary>
/// <param name="inpString"> </param>
/// <param name="index"></param>
/// <returns></returns>
private static string CharCodeAt(string inpString,int index)
{
string outString = "";
for (var i = ; i < inpString.Length; i++)
{
if (i==index)
{
outString = ((int)inpString[i]).ToString();
break;
}
}
return outString;
}
剩下的 js的Array对应c#ArrayList 申明的是 初始化 长度 所以值赋值o；(js中不需要)， lX4 & lY4修改 （lX4 & lY4）!=0，length 大小写问题等等
最终版本
using System;
using System.CodeDom.Compiler;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using Jint; namespace ConsoleApp1
{
class Program
{
static void Main(string[] args)
{
md5CS ms = new md5CS();
var sss = ms.md5(, "dfdfddddfffff#$%%^111113333"); Console.WriteLine(sss);
Console.ReadKey();
} public class md5CS
{
public dynamic md5(dynamic bit, dynamic sMessage)
{ dynamic RotateLeft(dynamic lValue, dynamic iShiftBits)
{
return (lValue << iShiftBits) | UIntMoveRight(lValue, - iShiftBits);
} dynamic AddUnsigned(dynamic lX, dynamic lY)
{
dynamic lX8 = (lX & 0x80000000);
dynamic lY8 = (lY & 0x80000000);
dynamic lX4 = (lX & 0x40000000);
dynamic lY4 = (lY & 0x40000000);
dynamic lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
if ((lX4 & lY4) != ) return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
if ((lX4 | lY4) != )
{
if ((lResult & 0x40000000) != ) return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
else return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
}
else return (lResult ^ lX8 ^ lY8);
} dynamic F(dynamic xx, dynamic y, dynamic z)
{
return (xx & y) | ((~xx) & z);
} dynamic G(dynamic xx, dynamic y, dynamic z)
{
return (xx & z) | (y & (~z));
} dynamic H(dynamic xx, dynamic y, dynamic z)
{
return (xx ^ y ^ z);
} dynamic I(dynamic xx, dynamic y, dynamic z)
{
return (y ^ (xx | (~z)));
} dynamic FF(dynamic a, dynamic b, dynamic c, dynamic d, dynamic x, dynamic s, dynamic ac)
{
var ax = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
return AddUnsigned(RotateLeft(ax, s), b);
} dynamic GG(dynamic a, dynamic b, dynamic c, dynamic d, dynamic x, dynamic s, dynamic ac)
{
a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
} dynamic HH(dynamic a, dynamic b, dynamic c, dynamic d, dynamic x, dynamic s, dynamic ac)
{
a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
} dynamic II(dynamic a, dynamic b, dynamic c, dynamic d, dynamic x, dynamic s, dynamic ac)
{
a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
} ArrayList ConvertToWordArray(string sMessagex)
{
dynamic lWordCount;
var lMessageLength = sMessagex.Length;
var lNumberOfWords_temp1 = lMessageLength + ;
var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % )) / ;
var lNumberOfWords = (lNumberOfWords_temp2 + ) * ;
//js ArrayList
//var lWordArray = Array(lNumberOfWords - 1);
//Array转换ArrayList 默认需要全部赋值0
var lWordArray = new ArrayList(lNumberOfWords - );
for (int i = ; i < lNumberOfWords; i++)
{
lWordArray.Add();
}
dynamic lBytePosition = ;
dynamic lByteCount = ;
while (lByteCount < lMessageLength)
{
lWordCount = (lByteCount - (lByteCount % )) / ;
lBytePosition = (lByteCount % ) * ;
var lWordArrayValue = ;
if (lWordArray.Count > )
{
lWordArrayValue = lWordArray[lWordCount];
}
//Unicode 编码
var CharCodeAtx = int.Parse(CharCodeAt(sMessagex, lByteCount));
var tempValue = lWordArrayValue | (CharCodeAtx << lBytePosition);
lWordArray[lWordCount] = tempValue;
//js charCodeAt=》CharCodeAt
//lWordArray[lWordCount] = (lWordArray[lWordCount] | (sMessage.charCodeAt(lByteCount) << lBytePosition));
lByteCount++;
} lWordCount = (lByteCount - (lByteCount % )) / ;
lBytePosition = (lByteCount % ) * ;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
//倒数第2位
lWordArray[lNumberOfWords - ] = lMessageLength << ;
//数组最后一位
lWordArray[lNumberOfWords - ] = UIntMoveRight(lMessageLength, );
return lWordArray;
} string WordToHex(dynamic lValue)
{
string WordToHexValue = "", WordToHexValue_temp = "";
dynamic lCount;
for (lCount = ; lCount <= ; lCount++)
{
dynamic lByte = UIntMoveRight(lValue, lCount * ) & ; WordToHexValue_temp = "" + Convert.ToString(lByte, );
//WordToHexValue_temp = "0" + lByte.ToString(16);
//js substr=>Substring
WordToHexValue = WordToHexValue +
WordToHexValue_temp.Substring(WordToHexValue_temp.Length - , );
} return WordToHexValue;
} var arrList = new ArrayList(); dynamic k, AA, BB, CC, DD;
dynamic S11 = , S12 = , S13 = , S14 = ;
dynamic S21 = , S22 = , S23 = , S24 = ;
dynamic S31 = , S32 = , S33 = , S34 = ;
dynamic S41 = , S42 = , S43 = , S44 = ;
// Steps 1 and 2. Append padding bits and length and convert to words
arrList = ConvertToWordArray(sMessage);
// Step 3. Initialise
dynamic aa = 0x67452301;
dynamic bb = 0xEFCDAB89;
dynamic cc = 0x98BADCFE;
dynamic dd = 0x10325476;
// Step 4. Process the message in 16-word blocks
for (k = ; k < arrList.Count; k += )
{
AA = aa;
BB = bb;
CC = cc;
DD = dd;
aa = FF(aa, bb, cc, dd, arrList[k + ], S11, 0xD76AA478);
dd = FF(dd, aa, bb, cc, arrList[k + ], S12, 0xE8C7B756);
cc = FF(cc, dd, aa, bb, arrList[k + ], S13, 0x242070DB);
bb = FF(bb, cc, dd, aa, arrList[k + ], S14, 0xC1BDCEEE);
aa = FF(aa, bb, cc, dd, arrList[k + ], S11, 0xF57C0FAF);
dd = FF(dd, aa, bb, cc, arrList[k + ], S12, 0x4787C62A);
cc = FF(cc, dd, aa, bb, arrList[k + ], S13, 0xA8304613);
bb = FF(bb, cc, dd, aa, arrList[k + ], S14, 0xFD469501);
aa = FF(aa, bb, cc, dd, arrList[k + ], S11, 0x698098D8);
dd = FF(dd, aa, bb, cc, arrList[k + ], S12, 0x8B44F7AF);
cc = FF(cc, dd, aa, bb, arrList[k + ], S13, 0xFFFF5BB1);
bb = FF(bb, cc, dd, aa, arrList[k + ], S14, 0x895CD7BE);
aa = FF(aa, bb, cc, dd, arrList[k + ], S11, 0x6B901122);
dd = FF(dd, aa, bb, cc, arrList[k + ], S12, 0xFD987193);
cc = FF(cc, dd, aa, bb, arrList[k + ], S13, 0xA679438E);
bb = FF(bb, cc, dd, aa, arrList[k + ], S14, 0x49B40821);
aa = GG(aa, bb, cc, dd, arrList[k + ], S21, 0xF61E2562);
dd = GG(dd, aa, bb, cc, arrList[k + ], S22, 0xC040B340);
cc = GG(cc, dd, aa, bb, arrList[k + ], S23, 0x265E5A51);
bb = GG(bb, cc, dd, aa, arrList[k + ], S24, 0xE9B6C7AA);
aa = GG(aa, bb, cc, dd, arrList[k + ], S21, 0xD62F105D);
dd = GG(dd, aa, bb, cc, arrList[k + ], S22, 0x2441453);
cc = GG(cc, dd, aa, bb, arrList[k + ], S23, 0xD8A1E681);
bb = GG(bb, cc, dd, aa, arrList[k + ], S24, 0xE7D3FBC8);
aa = GG(aa, bb, cc, dd, arrList[k + ], S21, 0x21E1CDE6);
dd = GG(dd, aa, bb, cc, arrList[k + ], S22, 0xC33707D6);
cc = GG(cc, dd, aa, bb, arrList[k + ], S23, 0xF4D50D87);
bb = GG(bb, cc, dd, aa, arrList[k + ], S24, 0x455A14ED);
aa = GG(aa, bb, cc, dd, arrList[k + ], S21, 0xA9E3E905);
dd = GG(dd, aa, bb, cc, arrList[k + ], S22, 0xFCEFA3F8);
cc = GG(cc, dd, aa, bb, arrList[k + ], S23, 0x676F02D9);
bb = GG(bb, cc, dd, aa, arrList[k + ], S24, 0x8D2A4C8A);
aa = HH(aa, bb, cc, dd, arrList[k + ], S31, 0xFFFA3942);
dd = HH(dd, aa, bb, cc, arrList[k + ], S32, 0x8771F681);
cc = HH(cc, dd, aa, bb, arrList[k + ], S33, 0x6D9D6122);
bb = HH(bb, cc, dd, aa, arrList[k + ], S34, 0xFDE5380C);
aa = HH(aa, bb, cc, dd, arrList[k + ], S31, 0xA4BEEA44);
dd = HH(dd, aa, bb, cc, arrList[k + ], S32, 0x4BDECFA9);
cc = HH(cc, dd, aa, bb, arrList[k + ], S33, 0xF6BB4B60);
bb = HH(bb, cc, dd, aa, arrList[k + ], S34, 0xBEBFBC70);
aa = HH(aa, bb, cc, dd, arrList[k + ], S31, 0x289B7EC6);
dd = HH(dd, aa, bb, cc, arrList[k + ], S32, 0xEAA127FA);
cc = HH(cc, dd, aa, bb, arrList[k + ], S33, 0xD4EF3085);
bb = HH(bb, cc, dd, aa, arrList[k + ], S34, 0x4881D05);
aa = HH(aa, bb, cc, dd, arrList[k + ], S31, 0xD9D4D039);
dd = HH(dd, aa, bb, cc, arrList[k + ], S32, 0xE6DB99E5);
cc = HH(cc, dd, aa, bb, arrList[k + ], S33, 0x1FA27CF8);
bb = HH(bb, cc, dd, aa, arrList[k + ], S34, 0xC4AC5665);
aa = II(aa, bb, cc, dd, arrList[k + ], S41, 0xF4292244);
dd = II(dd, aa, bb, cc, arrList[k + ], S42, 0x432AFF97);
cc = II(cc, dd, aa, bb, arrList[k + ], S43, 0xAB9423A7);
bb = II(bb, cc, dd, aa, arrList[k + ], S44, 0xFC93A039);
aa = II(aa, bb, cc, dd, arrList[k + ], S41, 0x655B59C3);
dd = II(dd, aa, bb, cc, arrList[k + ], S42, 0x8F0CCC92);
cc = II(cc, dd, aa, bb, arrList[k + ], S43, 0xFFEFF47D);
bb = II(bb, cc, dd, aa, arrList[k + ], S44, 0x85845DD1);
aa = II(aa, bb, cc, dd, arrList[k + ], S41, 0x6FA87E4F);
dd = II(dd, aa, bb, cc, arrList[k + ], S42, 0xFE2CE6E0);
cc = II(cc, dd, aa, bb, arrList[k + ], S43, 0xA3014314);
bb = II(bb, cc, dd, aa, arrList[k + ], S44, 0x4E0811A1);
aa = II(aa, bb, cc, dd, arrList[k + ], S41, 0xF7537E82);
dd = II(dd, aa, bb, cc, arrList[k + ], S42, 0xBD3AF235);
cc = II(cc, dd, aa, bb, arrList[k + ], S43, 0x2AD7D2BB);
bb = II(bb, cc, dd, aa, arrList[k + ], S44, 0xEB86D391);
aa = AddUnsigned(aa, AA);
bb = AddUnsigned(bb, BB);
cc = AddUnsigned(cc, CC);
dd = AddUnsigned(dd, DD);
}
if (bit == )
{
return WordToHex(aa) + WordToHex(bb) + WordToHex(cc) + WordToHex(dd);
}
else
{
return WordToHex(bb) + WordToHex(cc);
}
} /// <summary>
/// 无符号右移，与JS中的>>>等价
/// </summary>
/// <param name="x">要移位的数</param>
/// <param name="y">移位数</param>
/// <returns></returns>
private static dynamic UIntMoveRight(dynamic x, dynamic y)
{
dynamic mask = 0x7fffffff; //Integer.MAX_VALUE
for (dynamic i = ; i < y; i++)
{
x >>= ;
x &= mask;
}
return x;
} /// <summary>
/// js charCodeAt=>c#
/// </summary>
/// <param name="inpString"> </param>
/// <param name="index"></param>
/// <returns></returns>
private static string CharCodeAt(string inpString,int index)
{
string outString = "";
for (var i = ; i < inpString.Length; i++)
{
if (i==index)
{
outString = ((int)inpString[i]).ToString();
break;
}
}
return outString;
}
} }
}
大部分修改的都保留了原来的js注释。 中间过程 运行看结果 发现值不对 一步一步调试 c#调试到 ，js就调试到那一步一步 确保每一步的值都相同 。在调试过程 找问题 那个变量值不对 。慢慢修正。
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