453 lines
15 KiB
C#
453 lines
15 KiB
C#
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 Nirvana.Common
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{
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public class Validate
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{
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private static Regex RegNumber = new Regex("^[0-9]+$");
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private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
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private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");
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private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?\d+[.]?\d+$
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private static Regex RegEmail = new Regex(@"^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$");//w 英文字母或数字的字符串，和 [a-zA-Z0-9] 语法一样
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private static Regex RegCHZN = new Regex("[\u4e00-\u9fa5]");
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#region 用户名密码格式
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/// <summary>
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/// 返回字符串真实长度, 1个汉字长度为2
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/// </summary>
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/// <returns>字符长度</returns>
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public static int GetStringLength(string stringValue)
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{
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return Encoding.Default.GetBytes(stringValue).Length;
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}
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/// <summary>
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/// 检测用户名格式是否有效
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/// </summary>
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/// <param name="userName"></param>
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/// <returns></returns>
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public static bool IsValidUserName(string userName)
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{
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int userNameLength = GetStringLength(userName);
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if (userNameLength >= 4 && userNameLength <= 20 && Regex.IsMatch(userName, @"^([\u4e00-\u9fa5A-Za-z_0-9]{0,})$"))
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{ // 判断用户名的长度（4-20个字符）及内容（只能是汉字、字母、下划线、数字）是否合法
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 密码有效性
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/// </summary>
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/// <param name="password"></param>
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/// <returns></returns>
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public static bool IsValidPassword(string password)
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{
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return Regex.IsMatch(password, @"^[A-Za-z_0-9]{6,16}$");
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}
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#endregion
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/// <summary>
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/// 验证车架号、发动机号
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/// </summary>
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/// <param name="Vin_Reg"></param>
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/// <returns></returns>
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public static bool CheckVinReg(string Vin_Reg)
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{
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return Regex.IsMatch(Vin_Reg, @"^([A-H]|[J-N]|[P-Z]|[0-9]){6,16}$");
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}
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/// <summary>
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/// 验证车架号VIN是否合法
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/// </summary>
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/// <param name="vin"></param>
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/// <returns></returns>
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public static bool CheckVin(string vin)
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{
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if (vin == null || vin.Length != 17) return false;
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int symbol, weight, verify, sum = 0;
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bool isRepeat = true;
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if (vin[8] >= 48 && vin[8] <= 57)
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verify = vin[8] - 48;//0到9
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else if (vin[8] == 88)
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verify = 10;//X
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else
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return false;
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for (int i = 0; i < vin.Length; i++)
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{
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if (i < 7)
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weight = 8 - i;
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else if (i > 8)
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weight = 18 - i;
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else if (i == 7)
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weight = 10;
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else
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continue;
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if (vin[i] >= 48 && vin[i] <= 57)
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symbol = vin[i] - 48;//0-9
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else if (vin[i] >= 65 && vin[i] <= 72)
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symbol = vin[i] - 64;//A-H
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else if (vin[i] >= 74 && vin[i] <= 82 && vin[i] != 79 && vin[i] != 81)
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symbol = vin[i] - 73;//J-R不含O,Q
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else if (vin[i] >= 83 && vin[i] <= 90)
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symbol = vin[i] - 81;//S-Z
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else
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return false;
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sum += symbol * weight;
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if (isRepeat && i > 0) isRepeat = vin[i] == vin[i - (i != 9 ? 1 : 2)];
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}
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if (isRepeat) return false;
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return verify == sum % 11;
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}
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/// <summary>
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/// 验证车牌号是否合法
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/// </summary>
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/// <param name="vehicleNumber">车牌号</param>
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/// <returns></returns>
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public static bool IsVehicleNumber(string vehicleNumber)
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{
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bool result = false;
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if (vehicleNumber.Length == 7 || vehicleNumber.Length == 8)
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{
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string express = @"^(([京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领][A-Z](([0-9]{5}[DF])|([DF]([A-HJ-NP-Z0-9])[0-9]{4})))|([京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领][A-Z][A-HJ-NP-Z0-9]{4}[A-HJ-NP-Z0-9挂学警港澳使领]))$";
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return Regex.IsMatch(vehicleNumber.ToUpper(), express);
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}
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return result;
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}
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#region 数字字符串检查
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/// <summary>
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/// int有效性
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/// </summary>
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/// <param name="val"></param>
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/// <returns></returns>
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static public bool IsValidInt(string val)
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{
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return Regex.IsMatch(val, @"^[1-9]\d*\.?[0]*$");
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}
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/// <summary>
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/// 是否数字字符串
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/// </summary>
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/// <param name="inputData">输入字符串</param>
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/// <returns></returns>
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public static bool IsNumber(string inputData)
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{
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Match m = RegNumber.Match(inputData);
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return m.Success;
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}
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/// <summary>
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/// 是否数字字符串 可带正负号
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/// </summary>
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/// <param name="inputData">输入字符串</param>
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/// <returns></returns>
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public static bool IsNumberSign(string inputData)
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{
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Match m = RegNumberSign.Match(inputData);
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return m.Success;
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}
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/// <summary>
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/// 是否是浮点数
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/// </summary>
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/// <param name="inputData">输入字符串</param>
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/// <returns></returns>
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public static bool IsDecimal(string inputData)
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{
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Match m = RegDecimal.Match(inputData);
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return m.Success;
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}
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/// <summary>
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/// 是否是浮点数 可带正负号
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/// </summary>
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/// <param name="inputData">输入字符串</param>
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/// <returns></returns>
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public static bool IsDecimalSign(string inputData)
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{
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Match m = RegDecimalSign.Match(inputData);
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return m.Success;
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}
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#endregion
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#region 中文检测
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/// <summary>
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/// 检测是否有中文字符
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/// </summary>
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/// <param name="inputData"></param>
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/// <returns></returns>
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public static bool IsHasCHZN(string inputData)
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{
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Match m = RegCHZN.Match(inputData);
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return m.Success;
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}
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/// <summary>
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/// 检测含有中文字符串的实际长度
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/// </summary>
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/// <param name="str">字符串</param>
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public static int GetCHZNLength(string inputData)
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{
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System.Text.ASCIIEncoding n = new System.Text.ASCIIEncoding();
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byte[] bytes = n.GetBytes(inputData);
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int length = 0; // l 为字符串之实际长度
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for (int i = 0; i <= bytes.Length - 1; i++)
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{
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if (bytes[i] == 63) //判断是否为汉字或全脚符号
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{
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length++;
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}
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length++;
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}
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return length;
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}
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#endregion
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#region 常用格式
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/// <summary>
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/// 验证身份证是否合法 15 和 18位两种
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/// </summary>
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/// <param name="idCard">要验证的身份证</param>
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public static bool IsIdCard(string idCard)
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{
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if (string.IsNullOrEmpty(idCard))
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{
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return false;
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}
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if (idCard.Length == 15)
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{
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return Regex.IsMatch(idCard, @"^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$");
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}
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else if (idCard.Length == 18)
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{
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return Regex.IsMatch(idCard, @"^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])((\d{4})|\d{3}[A-Z])$", RegexOptions.IgnoreCase);
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 是否是邮件地址
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/// </summary>
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/// <param name="inputData">输入字符串</param>
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/// <returns></returns>
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public static bool IsEmail(string inputData)
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{
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Match m = RegEmail.Match(inputData);
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return m.Success;
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}
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/// <summary>
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/// 邮编有效性
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/// </summary>
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/// <param name="zip"></param>
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/// <returns></returns>
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public static bool IsValidZip(string zip)
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{
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Regex rx = new Regex(@"^\d{6}$", RegexOptions.None);
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Match m = rx.Match(zip);
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return m.Success;
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}
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/// <summary>
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/// 固定电话有效性
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/// </summary>
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/// <param name="phone"></param>
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/// <returns></returns>
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public static bool IsValidPhone(string phone)
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{
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Regex rx = new Regex(@"^(\(\d{3,4}\)|\d{3,4}-)?\d{7,8}$", RegexOptions.None);
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Match m = rx.Match(phone);
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return m.Success;
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}
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/// <summary>
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/// 手机有效性
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/// </summary>
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/// <param name="strMobile"></param>
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/// <returns></returns>
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public static bool IsValidMobile(string mobile)
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{
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if (string.IsNullOrEmpty(mobile))
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{
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return false;
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}
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Regex rx = new Regex(@"^(13|15|16|17|18|19)\d{9}$", RegexOptions.None);
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Match m = rx.Match(mobile);
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return m.Success;
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}
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/// <summary>
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/// 电话有效性（固话和手机 ）
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/// </summary>
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/// <param name="strVla"></param>
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/// <returns></returns>
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public static bool IsValidPhoneAndMobile(string number)
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{
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Regex rx = new Regex(@"^(\(\d{3,4}\)|\d{3,4}-)?\d{7,8}$|^(13|15)\d{9}$", RegexOptions.None);
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Match m = rx.Match(number);
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return m.Success;
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}
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/// <summary>
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/// Url有效性
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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static public bool IsValidURL(string url)
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{
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return Regex.IsMatch(url, @"^(http|https|ftp)\://[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(:[a-zA-Z0-9]*)?/?([a-zA-Z0-9\-\._\?\,\'/\\\+&%\$#\=~])*[^\.\,\)\(\s]$");
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}
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/// <summary>
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/// IP有效性
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/// </summary>
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/// <param name="ip"></param>
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/// <returns></returns>
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public static bool IsValidIP(string ip)
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{
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return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
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}
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/// <summary>
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/// domain 有效性
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/// </summary>
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/// <param name="host">域名</param>
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/// <returns></returns>
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public static bool IsValidDomain(string host)
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{
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Regex r = new Regex(@"^\d+$");
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if (host.IndexOf(".") == -1)
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{
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return false;
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}
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return r.IsMatch(host.Replace(".", string.Empty)) ? false : true;
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}
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/// <summary>
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/// 判断是否为base64字符串
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static bool IsBase64String(string str)
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{
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return Regex.IsMatch(str, @"[A-Za-z0-9\+\/\=]");
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}
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/// <summary>
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/// 验证字符串是否是GUID
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/// </summary>
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/// <param name="guid">字符串</param>
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/// <returns></returns>
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public static bool IsGuid(string guid)
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{
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if (string.IsNullOrEmpty(guid))
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return false;
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return Regex.IsMatch(guid, "[A-F0-9]{8}(-[A-F0-9]{4}){3}-[A-F0-9]{12}|[A-F0-9]{32}", RegexOptions.IgnoreCase);
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}
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#endregion
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#region 日期检查
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/// <summary>
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/// 判断输入的字符是否为日期
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/// </summary>
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/// <param name="strValue"></param>
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/// <returns></returns>
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public static bool IsDate(string strValue)
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{
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return Regex.IsMatch(strValue, @"^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))");
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}
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/// <summary>
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/// 判断输入的字符是否为日期,如2004-07-12 14:25|||1900-01-01 00:00|||9999-12-31 23:59
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/// </summary>
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/// <param name="strValue"></param>
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/// <returns></returns>
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public static bool IsDateHourMinute(string strValue)
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{
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return Regex.IsMatch(strValue, @"^(19[0-9]{2}|[2-9][0-9]{3})-((0(1|3|5|7|8)|10|12)-(0[1-9]|1[0-9]|2[0-9]|3[0-1])|(0(4|6|9)|11)-(0[1-9]|1[0-9]|2[0-9]|30)|(02)-(0[1-9]|1[0-9]|2[0-9]))\x20(0[0-9]|1[0-9]|2[0-3])(:[0-5][0-9]){1}$");
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}
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#endregion
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#region 其他
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/// <summary>
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/// 检查字符串最大长度，返回指定长度的串
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/// </summary>
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/// <param name="sqlInput">输入字符串</param>
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/// <param name="maxLength">最大长度</param>
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/// <returns></returns>
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public static string CheckMathLength(string inputData, int maxLength)
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{
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if (inputData != null && inputData != string.Empty)
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{
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inputData = inputData.Trim();
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if (inputData.Length > maxLength)//按最大长度截取字符串
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{
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inputData = inputData.Substring(0, maxLength);
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}
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}
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return inputData;
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}
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/// <summary>
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/// 转换成 HTML code
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/// </summary>
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/// <param name="str">string</param>
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/// <returns>string</returns>
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public static string Encode(string str)
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{
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str = str.Replace("&", "&");
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str = str.Replace("'", "''");
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str = str.Replace("\"", """);
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str = str.Replace(" ", " ");
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str = str.Replace("<", "<");
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str = str.Replace(">", ">");
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str = str.Replace("\n", "<br>");
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return str;
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}
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/// <summary>
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///解析html成 普通文本
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/// </summary>
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/// <param name="str">string</param>
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/// <returns>string</returns>
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public static string Decode(string str)
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{
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str = str.Replace("<br>", "\n");
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str = str.Replace(">", ">");
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str = str.Replace("<", "<");
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str = str.Replace(" ", " ");
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str = str.Replace(""", "\"");
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return str;
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}
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#endregion
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}
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}
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