77 lines
2.2 KiB
C#
77 lines
2.2 KiB
C#
using System;
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using System.Text;
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namespace AllBase
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{
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/// <summary>
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/// 实现Base64加密解密
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/// 作者：周公
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/// 时间：2007
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/// </summary>
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public static class Base64Encode
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{
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/// <summary>
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/// Base64加密
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/// </summary>
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/// <param name="codeName">加密采用的编码方式</param>
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/// <param name="source">待加密的明文</param>
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/// <returns></returns>
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public static string EncodeBase64(Encoding encode, string source)
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{
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byte[] bytes = encode.GetBytes(source);
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try
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{
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string code = Convert.ToBase64String(bytes);
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return code;
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}
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catch
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{
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return source;
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}
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}
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/// <summary>
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/// Base64加密，采用utf8编码方式加密
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/// </summary>
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/// <param name="source">待加密的明文</param>
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/// <returns>加密后的字符串</returns>
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public static string EncodeBase64(string source)
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{
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return EncodeBase64(Encoding.UTF8, source);
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}
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/// <summary>
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/// Base64解密
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/// </summary>
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/// <param name="codeName">解密采用的编码方式，注意和加密时采用的方式一致</param>
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/// <param name="result">待解密的密文</param>
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/// <returns>解密后的字符串</returns>
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public static string DecodeBase64(Encoding encode, string result)
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{
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string decode = "";
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byte[] bytes = Convert.FromBase64String(result);
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try
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{
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decode = encode.GetString(bytes);
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}
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catch
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{
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decode = result;
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}
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return decode;
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}
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/// <summary>
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/// Base64解密，采用utf8编码方式解密
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/// </summary>
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/// <param name="result">待解密的密文</param>
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/// <returns>解密后的字符串</returns>
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public static string DecodeBase64(string result)
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{
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return DecodeBase64(Encoding.UTF8, result);
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}
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}
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}
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