137 lines
4.0 KiB
C#
137 lines
4.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using System.Runtime.Serialization.Json;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System.Web.Services.Protocols;
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using System.Security.Cryptography;
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using System.Text;
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using System.Web.SessionState;
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using System.Data;
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using System.Drawing.Imaging;
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using System.Drawing;
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using System.IO;
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using System.Data.SqlClient;
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using System.Configuration;
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using Org.BouncyCastle.Asn1.X509;
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public static class globalClass
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{
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public static string YearMonthDiff(DateTime self, DateTime target) {
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int years, months, days;
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// 因為只需取量，不決定誰大誰小，所以如果self < target時要交換將大的擺前面
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if (self < target)
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{
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DateTime tmp = target;
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target = self;
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self = tmp;
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}
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// 將年轉換成月份以便用來計算
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months = 12 * (self.Year - target.Year) + (self.Month - target.Month);
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// 如果天數要相減的量不夠時要向月份借天數補滿該月再來相減
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if (self.Day < target.Day)
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{
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months--;
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days = DateTime.DaysInMonth(target.Year, target.Month) - target.Day + self.Day;
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}
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else
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{
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days = self.Day - target.Day;
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}
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// 天數計算完成後將月份轉成年
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years = months / 12;
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months = months % 12;
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return years.ToString() + "歲" + months.ToString() + "月";
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}
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public static int MonthDiff(DateTime self, DateTime target)
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{
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int years, months, days;
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// 因為只需取量，不決定誰大誰小，所以如果self < target時要交換將大的擺前面
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if (self < target)
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{
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DateTime tmp = target;
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target = self;
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self = tmp;
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}
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// 將年轉換成月份以便用來計算
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months = 12 * (self.Year - target.Year) + (self.Month - target.Month);
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// 如果天數要相減的量不夠時要向月份借天數補滿該月再來相減
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if (self.Day < target.Day)
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{
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months--;
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days = DateTime.DaysInMonth(target.Year, target.Month) - target.Day + self.Day;
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}
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else
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{
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days = self.Day - target.Day;
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}
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return months;
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}
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public static string GetIPAddress()
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{
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System.Web.HttpContext context = System.Web.HttpContext.Current;
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string sIPAddress = context.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
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if (string.IsNullOrEmpty(sIPAddress))
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{
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return context.Request.ServerVariables["REMOTE_ADDR"];
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}
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else
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{
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string[] ipArray = sIPAddress.Split(new Char[] { ',' });
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return ipArray[0];
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}
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}
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public static string CreateRandomCode(int Number)
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{
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string allChar = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
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string[] allCharArray = allChar.Split(',');
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string randomCode = "";
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Random rand = new Random(Guid.NewGuid().GetHashCode());
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for (int i = 0; i <= Number - 1; i++)
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{
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int t = rand.Next(allCharArray.Length);
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randomCode += allCharArray[t];
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}
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return randomCode;
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}
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public static string appsettings(string key)
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{
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return ConfigurationManager.ConnectionStrings[key].ConnectionString;
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}
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public static string SHA256_Encode(string value)
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{
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byte[] bytValue = System.Text.Encoding.UTF8.GetBytes(value);
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try
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{
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SHA256 sha256 = new SHA256CryptoServiceProvider();
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byte[] retVal = sha256.ComputeHash(bytValue);
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < retVal.Length; i++)
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{
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sb.Append(retVal[i].ToString("x2"));
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}
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return sb.ToString();
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}
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catch (Exception ex)
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{
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throw new Exception("GetSHA256HashFromString() fail,error:" + ex.Message);
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}
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}
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} |