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@@ -0,0 +1,738 @@
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+using Microsoft.AspNetCore.Http;
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+using System;
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+using System.Collections.Generic;
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+using System.Text;
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+using System.Text.RegularExpressions;
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+namespace HaBookCms.Common
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+{
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+
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+ public class Utils
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+ {
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+ /// <summary>
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+ /// 生成随机字母字符串(数字字母混和)
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+ /// </summary>
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+ /// <param name="codeCount">待生成的位数</param>
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+ public static string GetCheckCode(int codeCount)
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+ {
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+ string str = string.Empty;
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+ int rep = 0;
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+ long num2 = DateTime.Now.Ticks + rep;
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+ rep++;
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+ Random random = new Random(((int)(((ulong)num2) & 0xffffffffL)) | ((int)(num2 >> rep)));
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+ for (int i = 0; i < codeCount; i++)
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+ {
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+ char ch;
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+ int num = random.Next();
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+ if ((num % 2) == 0)
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+ {
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+ ch = (char)(0x30 + ((ushort)(num % 10)));
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+ }
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+ else
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+ {
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+ ch = (char)(0x41 + ((ushort)(num % 0x1a)));
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+ }
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+ str = str + ch.ToString();
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+ }
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+ return str;
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+ }
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+
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+ /// <summary>
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+ /// 将字符串转换为int类型数组
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+ /// </summary>
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+ /// <param name="str">如1,2,3,4,5</param>
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+ /// <returns></returns>
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+ public static List<int> StrToListInt(string str)
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+ {
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+ var list = new List<int>();
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+ if (!str.Contains(","))
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+ {
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+ list.Add(int.Parse(str));
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+ return list;
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+ }
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+ var slist = str.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
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+ foreach (var item in slist)
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+ {
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+ list.Add(int.Parse(item));
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+ }
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+ return list;
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+ }
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+
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+ /// <summary>
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+ /// 将字符串转换为int类型数组
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+ /// </summary>
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+ /// <param name="str">如1,2,3,4,5</param>
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+ /// <returns></returns>
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+ public static List<string> StrToListString(string str)
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+ {
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+ var list = new List<string>();
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+ if (!str.Contains(","))
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+ {
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+ list.Add(str);
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+ return list;
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+ }
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+ var slist = str.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
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+ foreach (var item in slist)
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+ {
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+ list.Add(item);
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+ }
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+ return list;
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+ }
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+
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+ /// <summary>
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+ /// 将字符串转换为数组
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+ /// </summary>
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+ /// <param name="str">字符串</param>
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+ /// <returns>字符串数组</returns>
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+ public static string[] GetStrArray(string str)
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+ {
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+ return str.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
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+ }
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+
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+ #region 截取字符串
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+ public static string GetSubString(string pSrcString, int pLength, string pTailString)
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+ {
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+ return GetSubString(pSrcString, 0, pLength, pTailString);
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+ }
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+ public static string GetSubString(string pSrcString, int pStartIndex, int pLength, string pTailString)
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+ {
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+ string str = pSrcString;
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+ byte[] bytes = Encoding.UTF8.GetBytes(pSrcString);
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+ foreach (char ch in Encoding.UTF8.GetChars(bytes))
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+ {
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+ if (((ch > 'ࠀ') && (ch < '一')) || ((ch > 0xac00) && (ch < 0xd7a3)))
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+ {
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+ if (pStartIndex >= pSrcString.Length)
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+ {
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+ return "";
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+ }
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+ return pSrcString.Substring(pStartIndex, ((pLength + pStartIndex) > pSrcString.Length) ? (pSrcString.Length - pStartIndex) : pLength);
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+ }
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+ }
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+ if (pLength < 0)
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+ {
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+ return str;
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+ }
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+ byte[] sourceArray = Encoding.Default.GetBytes(pSrcString);
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+ if (sourceArray.Length <= pStartIndex)
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+ {
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+ return str;
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+ }
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+ int length = sourceArray.Length;
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+ if (sourceArray.Length > (pStartIndex + pLength))
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+ {
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+ length = pLength + pStartIndex;
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+ }
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+ else
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+ {
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+ pLength = sourceArray.Length - pStartIndex;
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+ pTailString = "";
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+ }
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+ int num2 = pLength;
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+ int[] numArray = new int[pLength];
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+ byte[] destinationArray = null;
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+ int num3 = 0;
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+ for (int i = pStartIndex; i < length; i++)
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+ {
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+ if (sourceArray[i] > 0x7f)
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+ {
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+ num3++;
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+ if (num3 == 3)
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+ {
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+ num3 = 1;
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+ }
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+ }
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+ else
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+ {
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+ num3 = 0;
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+ }
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+ numArray[i] = num3;
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+ }
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+ if ((sourceArray[length - 1] > 0x7f) && (numArray[pLength - 1] == 1))
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+ {
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+ num2 = pLength + 1;
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+ }
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+ destinationArray = new byte[num2];
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+ Array.Copy(sourceArray, pStartIndex, destinationArray, 0, num2);
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+ return (Encoding.Default.GetString(destinationArray) + pTailString);
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+ }
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+ #endregion
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+
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+ #region 截取字符长度
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+ /// <summary>
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+ /// 截取字符长度
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+ /// </summary>
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+ /// <param name="inputString">字符</param>
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+ /// <param name="len">长度</param>
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+ /// <returns></returns>
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+ public static string CutString(string inputString, int len)
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+ {
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+ if (string.IsNullOrEmpty(inputString))
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+ return "";
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+ inputString = DropHtml(inputString);
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+ ASCIIEncoding ascii = new ASCIIEncoding();
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+ int tempLen = 0;
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+ string tempString = "";
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+ byte[] s = ascii.GetBytes(inputString);
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+ for (int i = 0; i < s.Length; i++)
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+ {
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+ if ((int)s[i] == 63)
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+ {
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+ tempLen += 2;
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+ }
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+ else
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+ {
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+ tempLen += 1;
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+ }
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+
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+ try
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+ {
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+ tempString += inputString.Substring(i, 1);
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+ }
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+ catch
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+ {
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+ break;
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+ }
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+
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+ if (tempLen > len)
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+ break;
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+ }
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+ //如果截过则加上半个省略号
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+ byte[] mybyte = System.Text.Encoding.Default.GetBytes(inputString);
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+ if (mybyte.Length > len)
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+ tempString += "…";
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+ return tempString;
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+ }
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+
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+ public static string DropHtml(string htmlstring)
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+ {
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+ if (string.IsNullOrEmpty(htmlstring)) return "";
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+ //删除脚本
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+ htmlstring = Regex.Replace(htmlstring, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
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+ //删除HTML
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+ htmlstring = Regex.Replace(htmlstring, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"-->", "", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"<!--.*", "", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);
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+ htmlstring = Regex.Replace(htmlstring, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);
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+
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+ htmlstring = Regex.Replace(htmlstring, @"&#(\d+);", "", RegexOptions.IgnoreCase);
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+ htmlstring = htmlstring.Replace("<", "");
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+ htmlstring = htmlstring.Replace(">", "");
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+ htmlstring = htmlstring.Replace("\r\n", "");
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+ //htmlstring = HttpContext.Current.Server.HtmlEncode(htmlstring).Trim();
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+ return htmlstring;
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+ }
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+ #endregion
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+
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+ #region 得到一个汉字的拼音第一个字母,如果是一个英文字母则直接返回大写字母
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+ /// <summary>
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+ /// 得到一个汉字的拼音第一个字母,如果是一个英文字母则直接返回大写字母
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+ /// </summary>
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+ /// <param name="CnChar">单个汉字</param>
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+ /// <returns>单个大写字母</returns>
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+ public static string GetCharSpellCode(string CnChar)
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+ {
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+ long iCnChar;
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+ byte[] ZW = Encoding.Default.GetBytes(CnChar);
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+
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+ //如果是字母,则直接返回首字母
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+ if (ZW.Length == 1)
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+ {
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+ return CutString(CnChar.ToUpper(), 1);
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+ }
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+ else
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+ {
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+ int i1 = (short)(ZW[0]);
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+ int i2 = (short)(ZW[1]);
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+ iCnChar = i1 * 256 + i2;
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+ }
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+ // iCnChar match the constant
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+ if ((iCnChar >= 45217) && (iCnChar <= 45252))
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+ {
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+ return "A";
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+ }
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+ else if ((iCnChar >= 45253) && (iCnChar <= 45760))
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+ {
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+ return "B";
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+ }
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+ else if ((iCnChar >= 45761) && (iCnChar <= 46317))
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+ {
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+ return "C";
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+ }
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+ else if ((iCnChar >= 46318) && (iCnChar <= 46825))
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+ {
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+ return "D";
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+ }
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+ else if ((iCnChar >= 46826) && (iCnChar <= 47009))
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+ {
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+ return "E";
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+ }
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+ else if ((iCnChar >= 47010) && (iCnChar <= 47296))
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+ {
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+ return "F";
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+ }
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+ else if ((iCnChar >= 47297) && (iCnChar <= 47613))
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+ {
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+ return "G";
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+ }
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+ else if ((iCnChar >= 47614) && (iCnChar <= 48118))
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+ {
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+ return "H";
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+ }
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+ else if ((iCnChar >= 48119) && (iCnChar <= 49061))
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+ {
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+ return "J";
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+ }
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+ else if ((iCnChar >= 49062) && (iCnChar <= 49323))
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+ {
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+ return "K";
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+ }
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+ else if ((iCnChar >= 49324) && (iCnChar <= 49895))
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+ {
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+ return "L";
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+ }
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+ else if ((iCnChar >= 49896) && (iCnChar <= 50370))
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+ {
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+ return "M";
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+ }
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+ else if ((iCnChar >= 50371) && (iCnChar <= 50613))
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+ {
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+ return "N";
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+ }
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+ else if ((iCnChar >= 50614) && (iCnChar <= 50621))
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+ {
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+ return "O";
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+ }
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+ else if ((iCnChar >= 50622) && (iCnChar <= 50905))
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+ {
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+ return "P";
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+ }
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+ else if ((iCnChar >= 50906) && (iCnChar <= 51386))
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+ {
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+ return "Q";
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+ }
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+ else if ((iCnChar >= 51387) && (iCnChar <= 51445))
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+ {
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+ return "R";
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+ }
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+ else if ((iCnChar >= 51446) && (iCnChar <= 52217))
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+ {
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+ return "S";
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+ }
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+ else if ((iCnChar >= 52218) && (iCnChar <= 52697))
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+ {
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+ return "T";
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+ }
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+ else if ((iCnChar >= 52698) && (iCnChar <= 52979))
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+ {
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+ return "W";
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+ }
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+ else if ((iCnChar >= 52980) && (iCnChar <= 53640))
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+ {
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+ return "X";
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+ }
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+ else if ((iCnChar >= 53689) && (iCnChar <= 54480))
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+ {
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+ return "Y";
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+ }
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+ else if ((iCnChar >= 54481) && (iCnChar <= 55289))
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+ {
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+ return "Z";
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+ }
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+ else
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+ return ("?");
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+
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+ }
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+ #endregion
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+
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+ #region 获得IP地址
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+ /// <summary>
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+ /// 获得IP地址
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+ /// </summary>
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+ /// <returns>字符串数组</returns>
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+ public static string GetIp()
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+ {
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+ HttpContextAccessor _context = new HttpContextAccessor();
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+ var ip = _context.HttpContext.Request.Headers["X-Forwarded-For"].ToString();
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+ if (string.IsNullOrEmpty(ip))
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+ {
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+ ip = _context.HttpContext.Connection.RemoteIpAddress.ToString();
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+ }
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+ return ip;
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+ }
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+ #endregion
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+
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+ #region 获得当前访问的URL地址
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+ /// <summary>
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+ /// 获得当前访问的URL地址
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+ /// </summary>
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+ /// <returns>字符串数组</returns>
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+ public static string GetUrl()
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+ {
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+ HttpContextAccessor _context = new HttpContextAccessor();
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+ return _context.HttpContext.Request.Path.ToString();
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+ }
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+ #endregion
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+
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+ #region 分割字符串
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+ public static string[] SplitString(string strContent, char strSplit)
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+ {
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+ if (!string.IsNullOrEmpty(strContent))
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+ {
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+ return strContent.Split(new char[] { strSplit }, StringSplitOptions.RemoveEmptyEntries);
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+ }
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+ else
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+ {
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+ return new string[0] { };
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+ }
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+ }
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+ /// <summary>
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+ /// 分割字符串
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+ /// </summary>
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+ public static string[] SplitString(string strContent, string strSplit)
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+ {
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+ if (!string.IsNullOrEmpty(strContent))
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+ {
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+ if (strContent.IndexOf(strSplit, StringComparison.Ordinal) < 0)
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+ return new string[] { strContent };
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+
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+ return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase);
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+ }
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+ else
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+ return new string[0] { };
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+ }
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+ #endregion
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+
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+ #region 显示错层方法
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|
|
+ /// <summary>
|
|
|
+ /// 显示错层方法
|
|
|
+ /// </summary>
|
|
|
+ public static string LevelName(string name, decimal? level)
|
|
|
+ {
|
|
|
+ if (level > 1)
|
|
|
+ {
|
|
|
+ string nbsp = "";
|
|
|
+ for (int i = 0; i < level; i++)
|
|
|
+ {
|
|
|
+ nbsp += " ";
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|
|
+ }
|
|
|
+ name = nbsp + "|--" + name;
|
|
|
+ }
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|
|
+ return name;
|
|
|
+ }
|
|
|
+ #endregion
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|
|
+
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|
|
+ #region 生成随机字母或数字
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|
|
+
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|
|
+ private static readonly Random Random = new Random();
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|
|
+
|
|
|
+ /// <summary>
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|
|
+ /// 生成随机数字
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|
|
+ /// </summary>
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|
|
+ /// <param name="length">生成长度</param>
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|
|
+ /// <returns></returns>
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|
|
+ public static string Number(int length)
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|
|
+ {
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|
|
+ return Number(length, false);
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|
|
+ }
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|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 生成随机数字
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|
|
+ /// </summary>
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|
|
+ /// <param name="length">生成长度</param>
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|
|
+ /// <param name="sleep">是否要在生成前将当前线程阻止以避免重复</param>
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|
|
+ /// <returns></returns>
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|
|
+ public static string Number(int length, bool sleep)
|
|
|
+ {
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|
|
+ if (sleep)
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|
|
+ System.Threading.Thread.Sleep(2);
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|
|
+ string result = "";
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|
|
+
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|
|
+ for (int i = 0; i < length; i++)
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|
|
+ {
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|
|
+ result += Random.Next(10).ToString();
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|
|
+ }
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|
|
+ return result;
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|
|
+ }
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|
|
+
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|
|
+
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|
|
+ /// <summary>
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|
|
+ /// 根据日期和随机码生成订单号
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
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|
|
+ public static string GetOrderNumber()
|
|
|
+ {
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|
|
+ string num = DateTime.Now.ToString("yyyyMMddHHmmssms"); //yyyyMMddHHmmssms
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|
|
+ return num + Number(2);
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|
|
+ }
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|
|
+
|
|
|
+ #endregion
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|
|
+
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|
|
+ #region 条形码解析
|
|
|
+ /// <summary>
|
|
|
+ /// 分解条形码,并返回数组
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="code">条形码</param>
|
|
|
+ /// <returns>数组0=品牌 1=季节 2=款式 3=批次 4=尺码</returns>
|
|
|
+ public static List<string> GetSkuArray(string code)
|
|
|
+ {
|
|
|
+ var str = new List<string>();
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|
|
+ //品牌,截取0-3
|
|
|
+ str.Add(code.Substring(0, 3));
|
|
|
+ //季节截取
|
|
|
+ str.Add(code.Substring(3, 1));
|
|
|
+ //款式截取
|
|
|
+ str.Add(code.Substring(4, 1));
|
|
|
+ //批次截取
|
|
|
+ str.Add(code.Substring(5, 1));
|
|
|
+ //尺码截取
|
|
|
+ str.Add(code.Substring(6, 1));
|
|
|
+ return str;
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ #region 返回采购单入库状态
|
|
|
+ /// <summary>
|
|
|
+ /// 返回采购单入库状态
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="status">状态</param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static string PurchaseStatus(string status)
|
|
|
+ {
|
|
|
+ var str = "";
|
|
|
+ switch (int.Parse(status))
|
|
|
+ {
|
|
|
+ case 1: str = "未完成入库"; break;
|
|
|
+ case 2: str = "未完成付款"; break;
|
|
|
+ case 3: str = "未完成到票"; break;
|
|
|
+ case 4: str = "完成"; break;
|
|
|
+ }
|
|
|
+ return str;
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ #region 生成采购单编号
|
|
|
+ /// <summary>
|
|
|
+ /// 生成采购单编号
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static string PurchaseNumber(int lastNumber)
|
|
|
+ {
|
|
|
+ return "CG-" + DateTime.Now.ToString("yyyyMMdd") + "-" + lastNumber.ToString();
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ #region 上传配置
|
|
|
+ /// <summary>
|
|
|
+ /// 根据文件类型分配路径
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="fileExt"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static string AssigendPath(string fileExt, string path)
|
|
|
+ {
|
|
|
+ if (IsImage(fileExt))
|
|
|
+ return path + "/upload/images/" + DateTime.Now.Year + DateTime.Now.Month + DateTime.Now.Day + "/";
|
|
|
+ if (IsVideos(fileExt))
|
|
|
+ return path + "/upload/videos/" + DateTime.Now.Year + DateTime.Now.Month + DateTime.Now.Day + "/";
|
|
|
+ if (IsDocument(fileExt))
|
|
|
+ return "/upload/files/" + DateTime.Now.Year + DateTime.Now.Month + DateTime.Now.Day + "/";
|
|
|
+ if (IsMusics(fileExt))
|
|
|
+ return "/upload/musics/" + DateTime.Now.Year + DateTime.Now.Month + DateTime.Now.Day + "/";
|
|
|
+ return path + "/upload/others/";
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ #region 文件格式
|
|
|
+ /// <summary>
|
|
|
+ /// 是否为图片
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="_fileExt">文件扩展名,不含“.”</param>
|
|
|
+ /// <returns></returns>
|
|
|
+ private static bool IsImage(string _fileExt)
|
|
|
+ {
|
|
|
+ var images = new List<string> { "bmp", "gif", "jpg", "jpeg", "png" };
|
|
|
+ if (images.Contains(_fileExt.ToLower())) return true;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 是否为视频
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="_fileExt">文件扩展名,不含“.”</param>
|
|
|
+ /// <returns></returns>
|
|
|
+ private static bool IsVideos(string _fileExt)
|
|
|
+ {
|
|
|
+ var videos = new List<string> { "rmvb", "mkv", "ts", "wma", "avi", "rm", "mp4", "flv", "mpeg", "mov", "3gp", "mpg" };
|
|
|
+ if (videos.Contains(_fileExt.ToLower())) return true;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 是否为音频
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="_fileExt">文件扩展名,不含“.”</param>
|
|
|
+ /// <returns></returns>
|
|
|
+ private static bool IsMusics(string _fileExt)
|
|
|
+ {
|
|
|
+ var musics = new List<string> { "mp3", "wav" };
|
|
|
+ if (musics.Contains(_fileExt.ToLower())) return true;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 是否为文档
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="_fileExt">文件扩展名,不含“.”</param>
|
|
|
+ /// <returns></returns>
|
|
|
+ private static bool IsDocument(string _fileExt)
|
|
|
+ {
|
|
|
+ var documents = new List<string> { "doc", "docx", "xls", "xlsx", "ppt", "pptx", "txt", "pdf" };
|
|
|
+ if (documents.Contains(_fileExt.ToLower())) return true;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ #region 返回活动名称
|
|
|
+ /// <summary>
|
|
|
+ /// 返回活动名称
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="method"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static string GetActivityMethod(int method)
|
|
|
+ {
|
|
|
+ var str = "";
|
|
|
+ switch (method)
|
|
|
+ {
|
|
|
+ case 1: str = "打折"; break;
|
|
|
+ case 2: str = "满减"; break;
|
|
|
+ case 3: str = "买一赠一"; break;
|
|
|
+ default: str = "无"; break;
|
|
|
+ }
|
|
|
+ return str;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 根据方式返回参加活动类型
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="method"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static byte GetActivityTypes(int method)
|
|
|
+ {
|
|
|
+ byte str = 1;
|
|
|
+ switch (method)
|
|
|
+ {
|
|
|
+ case 1: str = 2; break;
|
|
|
+ case 2: str = 3; break;
|
|
|
+ case 3: str = 4; break;
|
|
|
+ }
|
|
|
+ return str;
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ #region 得到一周的周一和周日的日期
|
|
|
+ /// <summary>
|
|
|
+ /// 计算本周的周一日期
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static DateTime GetMondayDate()
|
|
|
+ {
|
|
|
+ return GetMondayDate(DateTime.Now);
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 计算本周周日的日期
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static DateTime GetSundayDate()
|
|
|
+ {
|
|
|
+ return GetSundayDate(DateTime.Now);
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 计算某日起始日期(礼拜一的日期)
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="someDate">该周中任意一天</param>
|
|
|
+ /// <returns>返回礼拜一日期,后面的具体时、分、秒和传入值相等</returns>
|
|
|
+ public static DateTime GetMondayDate(DateTime someDate)
|
|
|
+ {
|
|
|
+ int i = someDate.DayOfWeek - DayOfWeek.Monday;
|
|
|
+ if (i == -1) i = 6;// i值 > = 0 ,因为枚举原因,Sunday排在最前,此时Sunday-Monday=-1,必须+7=6。
|
|
|
+ TimeSpan ts = new TimeSpan(i, 0, 0, 0);
|
|
|
+ return someDate.Subtract(ts);
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 计算某日结束日期(礼拜日的日期)
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="someDate">该周中任意一天</param>
|
|
|
+ /// <returns>返回礼拜日日期,后面的具体时、分、秒和传入值相等</returns>
|
|
|
+ public static DateTime GetSundayDate(DateTime someDate)
|
|
|
+ {
|
|
|
+ int i = someDate.DayOfWeek - DayOfWeek.Sunday;
|
|
|
+ if (i != 0) i = 7 - i;// 因为枚举原因,Sunday排在最前,相减间隔要被7减。
|
|
|
+ TimeSpan ts = new TimeSpan(i, 0, 0, 0);
|
|
|
+ return someDate.Add(ts);
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 根据星期几获得数字的星期几
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="weekName">例如周一:Monday</param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static int GetWeekByWeekName(string weekName)
|
|
|
+ {
|
|
|
+ var week = 1;
|
|
|
+ switch (weekName)
|
|
|
+ {
|
|
|
+ case "Monday":
|
|
|
+ week = 1;
|
|
|
+ break;
|
|
|
+ case "Tuesday":
|
|
|
+ week = 2;
|
|
|
+ break;
|
|
|
+ case "Wednesday":
|
|
|
+ week = 3;
|
|
|
+ break;
|
|
|
+ case "Thursday":
|
|
|
+ week = 4;
|
|
|
+ break;
|
|
|
+ case "Friday":
|
|
|
+ week = 5;
|
|
|
+ break;
|
|
|
+ case "Saturday":
|
|
|
+ week = 6;
|
|
|
+ break;
|
|
|
+ case "Sunday":
|
|
|
+ week = 7;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return week;
|
|
|
+ }
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 时间戳转换为日期(时间戳单位秒)
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="TimeStamp"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static DateTime ConvertToDateTime(long timeStamp)
|
|
|
+ {
|
|
|
+ var dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
|
|
|
+ TimeSpan toNow = new TimeSpan(timeStamp);
|
|
|
+ return dtStart.Add(toNow);
|
|
|
+ //var start = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
|
|
|
+ //return start.AddMilliseconds(timeStamp).AddHours(8);
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 日期转换为时间戳(时间戳单位秒)
|
|
|
+ /// </summary>
|
|
|
+ /// <param name="TimeStamp"></param>
|
|
|
+ /// <returns></returns>
|
|
|
+ public static long ConvertToTimeStamp(DateTime time)
|
|
|
+ {
|
|
|
+ DateTime Jan1st1970 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
|
|
|
+ return (long)(time.AddHours(-8) - Jan1st1970).TotalMilliseconds;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|