C#tools（乘风破浪的姐姐第三季）

C#tools（乘风破浪的姐姐第三季）

public class Utils

{

#region 对象转换处理

///

/// 判断对象是否为Int32类型的数字

///

///

///

public static bool IsNumeric(object expression)

{

if (expression != null)

return IsNumeric(expression.ToString());

return false;

}

///

/// 判断对象是否为Int32类型的数字

///

///

///

public static bool IsNumeric(string expression)

{

if (expression != null)

{

string str = expression;

if (str.Length > 0 && str.Length <= 11 && Regex.IsMatch(str, @"^[-]?[0-9]*[.]?[0-9]*$"))

{

if ((str.Length < 10) || (str.Length == 10 && str[0] == '1') || (str.Length == 11 && str[0] == '-' && str[1] == '1'))

return true;

}

}

return false;

}

///

/// 截取字符串长度，超出部分使用后缀suffix代替，比如abcdevfddd取前3位，后面使用...代替

///

///

///

///

///

public static string SubStrAddSuffix(string orginStr, int length, string suffix)

{

string ret = orginStr;

if (orginStr.Length > length)

{

ret = orginStr.Substring(0, length) + suffix;

}

return ret;

}

///

/// 是否为Double类型

///

///

///

public static bool IsDouble(object expression)

{

if (expression != null)

return Regex.IsMatch(expression.ToString(), @"^([0-9])[0-9]*(\.\w*)?$");

return false;

}

///

/// 检测是否符合email格式

///

/// 要判断的email字符串

/// 判断结果

public static bool IsValidEmail(string strEmail)

{

return Regex.IsMatch(strEmail, @"^[\w\.]+([-]\w+)*@[A-Za-z0-9-_]+[\.][A-Za-z0-9-_]");

}

public static bool IsValidDoEmail(string strEmail)

{

return Regex.IsMatch(strEmail, @"^@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");

}

///

/// 检测是否是正确的Url

///

/// 要验证的Url

/// 判断结果

public static bool IsURL(string strUrl)

{

return Regex.IsMatch(strUrl, @"^(http|https)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{1,10}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$");

}

///

/// 将字符串转换为数组

///

/// 字符串

/// 字符串数组

public static string[] GetStrArray(string str)

{

return str.Split(new char[',']);

}

///

/// 将数组转换为字符串

///

/// List

/// 分隔符

/// String

public static string GetArrayStr(List list, string speater)

{

StringBuilder sb = new StringBuilder();

for (int i = 0; i < list.Count; i++)

{

if (i == list.Count - 1)

{

sb.Append(list[i]);

}

else

{

sb.Append(list[i]);

sb.Append(speater);

}

}

return sb.ToString();

}

///

/// object型转换为bool型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的bool类型结果

public static bool StrToBool(object expression, bool defValue)

{

if (expression != null)

return StrToBool(expression, defValue);

return defValue;

}

///

/// string型转换为bool型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的bool类型结果

public static bool StrToBool(string expression, bool defValue)

{

if (expression != null)

{

if (string.Compare(expression, "true", true) == 0)

return true;

else if (string.Compare(expression, "false", true) == 0)

return false;

}

return defValue;

}

///

/// 将对象转换为Int32类型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的int类型结果

public static int ObjToInt(object expression, int defValue)

{

if (expression != null)

return StrToInt(expression.ToString(), defValue);

return defValue;

}

///

/// 将字符串转换为Int32类型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的int类型结果

public static int StrToInt(string expression, int defValue)

{

if (string.IsNullOrEmpty(expression) || expression.Trim().Length >= 11 || !Regex.IsMatch(expression.Trim(), @"^([-]|[0-9])[0-9]*(\.\w*)?$"))

return defValue;

int rv;

if (Int32.TryParse(expression, out rv))

return rv;

return Convert.ToInt32(StrToFloat(expression, defValue));

}

///

/// Object型转换为decimal型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的decimal类型结果

public static decimal ObjToDecimal(object expression, decimal defValue)

{

if (expression != null)

return StrToDecimal(expression.ToString(), defValue);

return defValue;

}

///

/// string型转换为decimal型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的decimal类型结果

public static decimal StrToDecimal(string expression, decimal defValue)

{

if ((expression == null) || (expression.Length > 10))

return defValue;

decimal intValue = defValue;

if (expression != null)

{

bool IsDecimal = Regex.IsMatch(expression, @"^([-]|[0-9])[0-9]*(\.\w*)?$");

if (IsDecimal)

decimal.TryParse(expression, out intValue);

}

return intValue;

}

///

/// Object型转换为float型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的int类型结果

public static float ObjToFloat(object expression, float defValue)

{

if (expression != null)

return StrToFloat(expression.ToString(), defValue);

return defValue;

}

///

/// string型转换为float型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的int类型结果

public static float StrToFloat(string expression, float defValue)

{

if ((expression == null) || (expression.Length > 10))

return defValue;

float intValue = defValue;

if (expression != null)

{

bool IsFloat = Regex.IsMatch(expression, @"^([-]|[0-9])[0-9]*(\.\w*)?$");

if (IsFloat)

float.TryParse(expression, out intValue);

}

return intValue;

}

///

/// 将对象转换为日期时间类型

///

/// 要转换的字符串

/// 缺省值

/// 转换后的int类型结果

public static DateTime StrToDateTime(string str, DateTime defValue)

{

if (!string.IsNullOrEmpty(str))

{

DateTime dateTime;

if (DateTime.TryParse(str, out dateTime))

return dateTime;

}

return defValue;

}

///

/// 将对象转换为日期时间类型

///

/// 要转换的字符串

/// 转换后的int类型结果

public static DateTime StrToDateTime(string str)

{

return StrToDateTime(str, DateTime.Now);

}

///

/// 将对象转换为日期时间类型

///

/// 要转换的对象

/// 转换后的int类型结果

public static DateTime ObjectToDateTime(object obj)

{

return StrToDateTime(obj.ToString());

}

///

/// 将对象转换为日期时间类型

///

/// 要转换的对象

/// 缺省值

/// 转换后的int类型结果

public static DateTime ObjectToDateTime(object obj, DateTime defValue)

{

return StrToDateTime(obj.ToString(), defValue);

}

///

/// 将对象转换为字符串

///

/// 要转换的对象

/// 转换后的string类型结果

public static string ObjectToStr(object obj)

{

if (obj == null)

return "";

return obj.ToString().Trim();

}

///

/// 将对象转换为Int类型

///

///

///

public static int ObjToInt(object obj)

{

if (isNumber(obj))

{

return int.Parse(obj.ToString());

}

else

{

return 0;

}

}

///

/// 判断对象是否可以转成int型

///

///

///

public static bool isNumber(object o)

{

int tmpInt;

if (o == null)

{

return false;

}

if (o.ToString().Trim().Length == 0)

{

return false;

}

if (!int.TryParse(o.ToString(), out tmpInt))

{

return false;

}

else

{

return true;

}

}

#endregion

#region 分割字符串

///

/// 分割字符串

///

public static string[] SplitString(string strContent, string strSplit)

{

if (!string.IsNullOrEmpty(strContent))

{

if (strContent.IndexOf(strSplit) < 0)

return new string[] { strContent };

return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase);

}

else

return new string[0] { };

}

///

/// 分割字符串

///

///

public static string[] SplitString(string strContent, string strSplit, int count)

{

string[] result = new string[count];

string[] splited = SplitString(strContent, strSplit);

for (int i = 0; i < count; i++)

{

if (i < splited.Length)

result[i] = splited[i];

else

result[i] = string.Empty;

}

return result;

}

#endregion

#region 删除最后结尾的一个逗号

///

/// 删除最后结尾的一个逗号

///

public static string DelLastComma(string str)

{

if (str.Length < 1)

{

return "";

}

return str.Substring(0, str.LastIndexOf(","));

}

#endregion

#region 删除最后结尾的指定字符后的字符

///

/// 删除最后结尾的指定字符后的字符

///

public static string DelLastChar(string str, string strchar)

{

if (string.IsNullOrEmpty(str))

return "";

if (str.LastIndexOf(strchar) >= 0 && str.LastIndexOf(strchar) == str.Length - 1)

{

return str.Substring(0, str.LastIndexOf(strchar));

}

return str;

}

#endregion

#region 生成指定长度的字符串

///

/// 生成指定长度的字符串,即生成strLong个str字符串

///

/// 生成的长度

/// 以str生成字符串

///

public static string StringOfChar(int strLong, string str)

{

string ReturnStr = "";

for (int i = 0; i < strLong; i++)

{

ReturnStr += str;

}

return ReturnStr;

}

#endregion

#region 生成日期随机码

///

/// 生成日期随机码

///

///

public static string GetRamCode()

{

#region

return DateTime.Now.ToString("yyyyMMddHHmmssffff");

#endregion

}

#endregion

#region 生成随机字母或数字

///

/// 生成随机数字

///

/// 生成长度

///

public static string Number(int Length)

{

return Number(Length, false);

}

///

/// 生成随机数字

///

/// 生成长度

/// 是否要在生成前将当前线程阻止以避免重复

///

public static string Number(int Length, bool Sleep)

{

if (Sleep)

System.Threading.Thread.Sleep(3);

string result = "";

System.Random random = new System.Random();

for (int i = 0; i < Length; i++)

{

result += random.Next(10).ToString();

}

return result;

}

///

/// 根据日期和随机码生成订单号

///

///

public static string GetOrderNumber()

{

string num = DateTime.Now.ToString("yyMMddHHmmss");//yyyyMMddHHmmssms

return num + Number(2, true).ToString();

}

private static int Next(int numSeeds, int length)

{

byte[] buffer = new byte[length];

System.Security.Cryptography.RNGCryptoServiceProvider Gen = new System.Security.Cryptography.RNGCryptoServiceProvider();

Gen.GetBytes(buffer);

uint randomResult = 0x0;//这里用uint作为生成的随机数

for (int i = 0; i < length; i++)

{

randomResult |= ((uint)buffer[i] << ((length - 1 - i) * 8));

}

return (int)(randomResult % numSeeds);

}

#endregion

#region TXT代码转换成HTML格式

///

/// 字符串字符处理

///

/// 等待处理的字符串

/// 处理后的字符串

/// //把TXT代码转换成HTML格式

public static String ToHtml(string Input)

{

StringBuilder sb = new StringBuilder(Input);

sb.Replace("'", "'");

sb.Replace("&", "&");

sb.Replace("<", "<");

sb.Replace(">", ">");

sb.Replace("\r\n", "
");

sb.Replace("\n", "
");

sb.Replace("\t", " ");

//sb.Replace(" ", " ");

return sb.ToString();

}

#endregion

#region HTML代码转换成TXT格式

///

/// 字符串字符处理

///

/// 等待处理的字符串

/// 处理后的字符串

/// //把HTML代码转换成TXT格式

public static

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