框架分层

Yi.Framework/Yi.Framework.Core/MD5Helper.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace CC.ElectronicCommerce.Core
+
+{
+	/// <summary>
+	/// 加密用的
+	/// </summary>
+	public class MD5Helper
+	{
+		/// <summary>
+		/// MD5 加密字符串
+		/// </summary>
+		/// <param name="content">源字符串</param>
+		/// <returns>加密后字符串</returns>
+		public static string MD5EncodingOnly(string content)
+		{
+			// 创建MD5类的默认实例：MD5CryptoServiceProvider
+			MD5 md5 = MD5.Create();
+			byte[] bs = Encoding.UTF8.GetBytes(content);
+			byte[] hs = md5.ComputeHash(bs);
+			StringBuilder stb = new StringBuilder();
+			foreach (byte b in hs)
+			{
+				// 以十六进制格式格式化
+				stb.Append(b.ToString("x2"));
+			}
+			return stb.ToString();
+		}
+
+		/// <summary>
+		/// MD5盐值加密
+		/// </summary>
+		/// <param name="content">源字符串</param>
+		/// <param name="salt">盐值</param>
+		/// <returns>加密后字符串</returns>
+		public static string MD5EncodingWithSalt(string content, string salt)
+		{
+			if (salt == null) return content;
+			return MD5EncodingOnly(content + "{" + salt.ToString() + "}");
+		}
+	}
+}
+