这个帮助类，目前我们只用到了两个，我就先更新这两个，后面有用到的，我会继续更新这个Helper帮助类
在Tools.cs中 有很多方法 跟Utils里是重复的，而且Utils里的方法更加新一点，大家可以删除Tools.cs里重复的，我只是删除了部分重复的。
RegexHelper
using System.Text.RegularExpressions; namespace Common
{
/// <summary>
/// 操作正则表达式的公共类
/// </summary>
public class RegexHelper
{
#region 验证输入字符串是否与模式字符串匹配
/// <summary>
/// 验证输入字符串是否与模式字符串匹配，匹配返回true
/// </summary>
/// <param name="input">输入字符串</param>
/// <param name="pattern">模式字符串</param>
public static bool IsMatch(string input, string pattern)
{
return IsMatch(input, pattern, RegexOptions.IgnoreCase);
} /// <summary>
/// 验证输入字符串是否与模式字符串匹配，匹配返回true
/// </summary>
/// <param name="input">输入的字符串</param>
/// <param name="pattern">模式字符串</param>
/// <param name="options">筛选条件</param>
public static bool IsMatch(string input, string pattern, RegexOptions options)
{
return Regex.IsMatch(input, pattern, options);
}
#endregion
}
}
Tools
using System;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.Reflection;
using System.Web;
using System.Web.Mvc;
using System.ComponentModel; namespace Common
{
/// <summary>
/// 功能描述：共用工具类
/// </summary>
public static class Tools
{ #region 得到字符串长度，一个汉字长度为2
/// <summary>
/// 得到字符串长度，一个汉字长度为2
/// </summary>
/// <param name="inputString">参数字符串</param>
/// <returns></returns>
public static int StrLength(string inputString)
{
System.Text.ASCIIEncoding ascii = new System.Text.ASCIIEncoding();
int tempLen = ;
byte[] s = ascii.GetBytes(inputString);
for (int i = ; i < s.Length; i++)
{
if ((int)s[i] == )
tempLen += ;
else
tempLen += ;
}
return tempLen;
}
#endregion #region 截取指定长度字符串
/// <summary>
/// 截取指定长度字符串
/// </summary>
/// <param name="inputString">要处理的字符串</param>
/// <param name="len">指定长度</param>
/// <returns>返回处理后的字符串</returns>
public static string ClipString(string inputString, int len)
{
bool isShowFix = false;
if (len % == )
{
isShowFix = true;
len--;
}
System.Text.ASCIIEncoding ascii = new System.Text.ASCIIEncoding();
int tempLen = ;
string tempString = "";
byte[] s = ascii.GetBytes(inputString);
for (int i = ; i < s.Length; i++)
{
if ((int)s[i] == )
tempLen += ;
else
tempLen += ; try
{
tempString += inputString.Substring(i, );
}
catch
{
break;
} if (tempLen > len)
break;
} byte[] mybyte = System.Text.Encoding.Default.GetBytes(inputString);
if (isShowFix && mybyte.Length > len)
tempString += "…";
return tempString;
}
#endregion #region 获得两个日期的间隔
/// <summary>
/// 获得两个日期的间隔
/// </summary>
/// <param name="DateTime1">日期一。</param>
/// <param name="DateTime2">日期二。</param>
/// <returns>日期间隔TimeSpan。</returns>
public static TimeSpan DateDiff(DateTime DateTime1, DateTime DateTime2)
{
TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
TimeSpan ts = ts1.Subtract(ts2).Duration();
return ts;
}
#endregion #region 格式化日期时间
/// <summary>
/// 格式化日期时间
/// </summary>
/// <param name="dateTime1">日期时间</param>
/// <param name="dateMode">显示模式</param>
/// <returns>0-9种模式的日期</returns>
public static string FormatDate(DateTime dateTime1, string dateMode)
{
switch (dateMode)
{
case "":
return dateTime1.ToString("yyyy-MM-dd");
case "":
return dateTime1.ToString("yyyy-MM-dd HH:mm:ss");
case "":
return dateTime1.ToString("yyyy/MM/dd");
case "":
return dateTime1.ToString("yyyy年MM月dd日");
case "":
return dateTime1.ToString("MM-dd");
case "":
return dateTime1.ToString("MM/dd");
case "":
return dateTime1.ToString("MM月dd日");
case "":
return dateTime1.ToString("yyyy-MM");
case "":
return dateTime1.ToString("yyyy/MM");
case "":
return dateTime1.ToString("yyyy年MM月");
default:
return dateTime1.ToString();
}
}
#endregion #region 得到随机日期
/// <summary>
/// 得到随机日期
/// </summary>
/// <param name="time1">起始日期</param>
/// <param name="time2">结束日期</param>
/// <returns>间隔日期之间的 随机日期</returns>
public static DateTime GetRandomTime(DateTime time1, DateTime time2)
{
Random random = new Random();
DateTime minTime = new DateTime();
DateTime maxTime = new DateTime(); System.TimeSpan ts = new System.TimeSpan(time1.Ticks - time2.Ticks); // 获取两个时间相隔的秒数
double dTotalSecontds = ts.TotalSeconds;
int iTotalSecontds = ; if (dTotalSecontds > System.Int32.MaxValue)
{
iTotalSecontds = System.Int32.MaxValue;
}
else if (dTotalSecontds < System.Int32.MinValue)
{
iTotalSecontds = System.Int32.MinValue;
}
else
{
iTotalSecontds = (int)dTotalSecontds;
} if (iTotalSecontds > )
{
minTime = time2;
maxTime = time1;
}
else if (iTotalSecontds < )
{
minTime = time1;
maxTime = time2;
}
else
{
return time1;
} int maxValue = iTotalSecontds; if (iTotalSecontds <= System.Int32.MinValue)
maxValue = System.Int32.MinValue + ; int i = random.Next(System.Math.Abs(maxValue)); return minTime.AddSeconds(i);
}
/// <summary>
/// 获取时间戳
/// </summary>
public static string GetRandomTimeSpan()
{
TimeSpan ts = DateTime.Now - new DateTime(, , , , , , );
return Convert.ToInt64(ts.TotalSeconds).ToString();
}
#endregion #region HTML转行成TEXT
/// <summary>
/// HTML转行成TEXT
/// </summary>
/// <param name="strHtml"></param>
/// <returns></returns>
public static string HtmlToTxt(string strHtml)
{
string[] aryReg ={
@"<script[^>]*?>.*?</script>",
@"<(\/\s*)?!?((\w+:)?\w+)(\w+(\s*=?\s*(([""'])(\\[""'tbnr]|[^\7])*?\7|\w+)|.{0})|\s)*?(\/\s*)?>",
@"([\r\n])[\s]+",
@"&(quot|#34);",
@"&(amp|#38);",
@"&(lt|#60);",
@"&(gt|#62);",
@"&(nbsp|#160);",
@"&(iexcl|#161);",
@"&(cent|#162);",
@"&(pound|#163);",
@"&(copy|#169);",
@"&#(\d+);",
@"-->",
@"<!--.*\n"
}; string newReg = aryReg[];
string strOutput = strHtml;
for (int i = ; i < aryReg.Length; i++)
{
Regex regex = new Regex(aryReg[i], RegexOptions.IgnoreCase);
strOutput = regex.Replace(strOutput, string.Empty);
} strOutput.Replace("<", "");
strOutput.Replace(">", "");
strOutput.Replace("\r\n", ""); return strOutput;
}
#endregion #region 判断对象是否为空
/// <summary>
/// 判断对象是否为空，为空返回true
/// </summary>
/// <typeparam name="T">要验证的对象的类型</typeparam>
/// <param name="data">要验证的对象</param>
public static bool IsNullOrEmpty<T>(this T data)
{
//如果为null
if (data == null)
{
return true;
} //如果为""
if (data.GetType() == typeof(String))
{
if (string.IsNullOrEmpty(data.ToString().Trim()) || data.ToString() == "")
{
return true;
}
} //如果为DBNull
if (data.GetType() == typeof(DBNull))
{
return true;
} //不为空
return false;
} /// <summary>
/// 判断对象是否为空，为空返回true
/// </summary>
/// <param name="data">要验证的对象</param>
public static bool IsNullOrEmpty(this object data)
{
//如果为null
if (data == null)
{
return true;
} //如果为""
if (data.GetType() == typeof(String))
{
if (string.IsNullOrEmpty(data.ToString().Trim()))
{
return true;
}
} //如果为DBNull
if (data.GetType() == typeof(DBNull))
{
return true;
} //不为空
return false;
}
#endregion #region 验证是否为浮点数
/// <summary>
/// 验证是否浮点数
/// </summary>
/// <param name="floatNum"></param>
/// <returns></returns>
public static bool IsFloat(this string floatNum)
{
//如果为空，认为验证不合格
if (IsNullOrEmpty(floatNum))
{
return false;
}
//清除要验证字符串中的空格
floatNum = floatNum.Trim(); //模式字符串
string pattern = @"^(-?\d+)(\.\d+)?$"; //验证
return RegexHelper.IsMatch(floatNum, pattern);
}
#endregion #region 验证是否为整数
/// <summary>
/// 验证是否为整数 如果为空，认为验证不合格 返回false
/// </summary>
/// <param name="number">要验证的整数</param>
public static bool IsInt(this string number)
{
//如果为空，认为验证不合格
if (IsNullOrEmpty(number))
{
return false;
} //清除要验证字符串中的空格
number = number.Trim(); //模式字符串
string pattern = @"^[0-9]+[0-9]*$"; //验证
return RegexHelper.IsMatch(number, pattern);
}
#endregion #region 验证是否为数字
/// <summary>
/// 验证是否为数字
/// </summary>
/// <param name="number">要验证的数字</param>
public static bool IsNumber(this string number)
{
//如果为空，认为验证不合格
if (IsNullOrEmpty(number))
{
return false;
} //清除要验证字符串中的空格
number = number.Trim(); //模式字符串
string pattern = @"^[0-9]+[0-9]*[.]?[0-9]*$"; //验证
return RegexHelper.IsMatch(number, pattern);
}
#endregion #region 验证日期是否合法
/// <summary>
/// 是否是日期
/// </summary>
/// <param name="date"></param>
/// <returns></returns>
public static bool IsDate(this object date)
{ //如果为空，认为验证合格
if (IsNullOrEmpty(date))
{
return false;
}
string strdate = date.ToString();
try
{
//用转换测试是否为规则的日期字符
date = Convert.ToDateTime(date).ToString("d");
return true;
}
catch
{
//如果日期字符串中存在非数字，则返回false
if (!IsInt(strdate))
{
return false;
} #region 对纯数字进行解析
//对8位纯数字进行解析
if (strdate.Length == )
{
//获取年月日
string year = strdate.Substring(, );
string month = strdate.Substring(, );
string day = strdate.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
}
if (Convert.ToInt32(month) > || Convert.ToInt32(day) > )
{
return false;
} //拼接日期
date = Convert.ToDateTime(year + "-" + month + "-" + day).ToString("d");
return true;
} //对6位纯数字进行解析
if (strdate.Length == )
{
//获取年月
string year = strdate.Substring(, );
string month = strdate.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
}
if (Convert.ToInt32(month) > )
{
return false;
} //拼接日期
date = Convert.ToDateTime(year + "-" + month).ToString("d");
return true;
} //对5位纯数字进行解析
if (strdate.Length == )
{
//获取年月
string year = strdate.Substring(, );
string month = strdate.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
} //拼接日期
date = year + "-" + month;
return true;
} //对4位纯数字进行解析
if (strdate.Length == )
{
//获取年
string year = strdate.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
} //拼接日期
date = Convert.ToDateTime(year).ToString("d");
return true;
}
#endregion return false;
} }
/// <summary>
/// 验证日期是否合法,对不规则的作了简单处理
/// </summary>
/// <param name="date">日期</param>
public static bool IsDate(ref string date)
{
//如果为空，认为验证合格
if (IsNullOrEmpty(date))
{
return true;
} //清除要验证字符串中的空格
date = date.Trim(); //替换\
date = date.Replace(@"\", "-");
//替换/
date = date.Replace(@"/", "-"); //如果查找到汉字"今",则认为是当前日期
if (date.IndexOf("今") != -)
{
date = DateTime.Now.ToString();
} try
{
//用转换测试是否为规则的日期字符
date = Convert.ToDateTime(date).ToString("d");
return true;
}
catch
{
//如果日期字符串中存在非数字，则返回false
if (!IsInt(date))
{
return false;
} #region 对纯数字进行解析
//对8位纯数字进行解析
if (date.Length == )
{
//获取年月日
string year = date.Substring(, );
string month = date.Substring(, );
string day = date.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
}
if (Convert.ToInt32(month) > || Convert.ToInt32(day) > )
{
return false;
} //拼接日期
date = Convert.ToDateTime(year + "-" + month + "-" + day).ToString("d");
return true;
} //对6位纯数字进行解析
if (date.Length == )
{
//获取年月
string year = date.Substring(, );
string month = date.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
}
if (Convert.ToInt32(month) > )
{
return false;
} //拼接日期
date = Convert.ToDateTime(year + "-" + month).ToString("d");
return true;
} //对5位纯数字进行解析
if (date.Length == )
{
//获取年月
string year = date.Substring(, );
string month = date.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
} //拼接日期
date = year + "-" + month;
return true;
} //对4位纯数字进行解析
if (date.Length == )
{
//获取年
string year = date.Substring(, ); //验证合法性
if (Convert.ToInt32(year) < || Convert.ToInt32(year) > )
{
return false;
} //拼接日期
date = Convert.ToDateTime(year).ToString("d");
return true;
}
#endregion return false;
}
}
#endregion /// <summary>
/// //前台显示邮箱的掩码替换(由tzh@qq.com等替换成t*****@qq.com)
/// </summary>
/// <param name="Email">邮箱</param>
/// <returns></returns>
public static string GetEmail(string Email)
{ string strArg = "";
string SendEmail = "";
Match match = Regex.Match(Email, @"(\w)\w+@"); if (match.Success)
{
strArg = match.Groups[].Value + "*****@";
SendEmail = Regex.Replace(Email, @"\w+@", strArg);
}
else
SendEmail = Email;
return SendEmail;
} /// <summary>
/// 检查字符串是否存在与一个,组合到一起的字符串数组中
/// </summary>
/// <param name="strSplit">未分割的字符串</param>
/// <param name="split">分割符号</param>
/// <param name="targetValue">目标字符串</param>
/// <returns></returns>
public static bool CheckStringHasValue(string strSplit, char split, string targetValue)
{
string[] strList = strSplit.Split(split);
foreach (string str in strList)
{
if (targetValue == str)
return true;
}
return false;
} #region 枚举型相关操作 /// <summary>
/// 功能描述；获取枚举名称.传入枚举类型和枚举值
/// </summary>
/// <param name="enumType"></param>
/// <param name="intEnumValue"></param>
/// <returns></returns>
public static string GetEnumText<T>(int intEnumValue)
{
return Enum.GetName(typeof(T), intEnumValue);
} /// <summary>
/// 功能描述:获取枚举项集合，传入枚举类型
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static IList<object> BindEnums<T>()
{
IList<object> _list = new List<object>();
//遍历枚举集合
foreach (int i in Enum.GetValues(typeof(T)))
{
var _selItem = new
{
Value = i,
Text = Enum.GetName(typeof(T), i)
};
_list.Add(_selItem);
}
return _list;
} ///<summary>
/// 返回 Dic 枚举项，描述
///</summary>
///<param name="enumType"></param>
///<returns>Dic枚举项，描述</returns>
public static Dictionary<string, string> BindEnums(Type enumType)
{
Dictionary<string, string> dic = new Dictionary<string, string>();
FieldInfo[] fieldinfos = enumType.GetFields();
foreach (FieldInfo field in fieldinfos)
{
if (field.FieldType.IsEnum)
{
Object[] objs = field.GetCustomAttributes(typeof(DescriptionAttribute), false); dic.Add(field.Name, ((DescriptionAttribute)objs[]).Description);
} } return dic;
}
///<summary>
/// 返回 List《Enums.EnumsClass》 枚举值、名称、描述
///</summary>
public static List<Enums.EnumsClass> BindEnumsList(Type enumType)
{
var list = new List<Enums.EnumsClass>();
FieldInfo[] fieldinfos = enumType.GetFields();
var enumvalue = Enum.GetValues(enumType);
foreach (FieldInfo field in fieldinfos)
{
if (field.FieldType.IsEnum)
{
int ev = -;
Object[] objs = field.GetCustomAttributes(typeof(DescriptionAttribute), false);
foreach (int item in enumvalue)
{
if (Enum.GetName(enumType, item) == field.Name)
{
ev = item;
break;
}
}
list.Add(new Enums.EnumsClass
{
Name = field.Name,
Value = ev,
Text = ((DescriptionAttribute)objs[]).Description
});
}
}
return list;
} #endregion #region 获取集合中某个字段的拼接，例：获取姓名拼接 /// <summary>
/// 功能描述：获取集合中某个字段的拼接，例：获取姓名拼接
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list">集合</param>
/// <param name="strFieldName">字段名</param>
/// <param name="strSplit">分隔符</param>
/// <returns></returns>
public static string GetFieldValueJoin<T>(IList<T> list, string strFieldName, string strSplit)
{
//判断入口
if (list == null || list.Count <= || string.IsNullOrEmpty(strFieldName))
return string.Empty; //获取属性
PropertyInfo _pro = typeof(T).GetProperty(strFieldName);
if (_pro == null)
return string.Empty;
//变量，记录返回值
string _strReturn = string.Empty;
foreach (T _entityI in list)
{
//获取属性值
object _objValue = _pro.GetValue(_entityI, null);
if (_objValue == null || string.IsNullOrEmpty(_objValue.ToString()))
//没有属性值，则跳过
continue; //有属性值，则拼接
_strReturn += _objValue.ToString() + strSplit;
} if (string.IsNullOrEmpty(_strReturn))
return string.Empty; return _strReturn.Substring(, _strReturn.Length - strSplit.Length);
} #endregion }
}
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