XML序列化
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
#region 序列化 /// <summary> /// XML序列化 /// </summary> /// <param name="obj">序列对象</param> /// <param name="filePath">XML文件路径</param> /// <returns>是否成功</returns> public static bool SerializeToXml(object obj, string filePath) { bool result = false; FileStream fs = null; try { fs = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.ReadWrite); XmlSerializer serializer = new XmlSerializer(obj.GetType()); serializer.Serialize(fs, obj); result = true; } catch (Exception ex) { throw ex; } finally { if (fs != null) fs.Close(); } return result; } /// <summary> /// XML反序列化 /// </summary> /// <param name="type">目标类型(Type类型)</param> /// <param name="filePath">XML文件路径</param> /// <returns>序列对象</returns> public static object DeserializeFromXML(Type type, string filePath) { FileStream fs = null; try { fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); XmlSerializer serializer = new XmlSerializer(type); return serializer.Deserialize(fs); } catch (Exception ex) { throw ex; } finally { if (fs != null) fs.Close(); } } #endregion
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
判断是否是手机
public static bool CheckAgent()
{
bool flag = false;
string agent = HttpContext.Current.Request.UserAgent;
string[] keywords = { "Android", "iPhone", "iPod", "iPad", "Windows Phone", "MQQBrowser" };
//排除 Windows 桌面系统
if (!agent.Contains("Windows NT") || (agent.Contains("Windows NT") && agent.Contains("compatible; MSIE 9.0;")))
{
//排除 苹果桌面系统
if (!agent.Contains("Windows NT") && !agent.Contains("Macintosh"))
{
foreach (string item in keywords)
{
if (agent.Contains(item))
{
flag = true;
break;
}
}
}
}
return flag;
}
字符操作普通帮助类
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/// <summary> /// 普通帮助类
/// </summary>
public class CommonHelper
{
//星期数组
private static string [] _weekdays = { "星期日" , "星期一" , "星期二" , "星期三" , "星期四" , "星期五" , "星期六" };
//空格、回车、换行符、制表符正则表达式
private static Regex _tbbrRegex = new Regex( @"\s*|\t|\r|\n" , RegexOptions.IgnoreCase);
#region 时间操作
/// <summary>
/// 获得当前时间的""yyyy-MM-dd HH:mm:ss:fffffff""格式字符串
/// </summary>
public static string GetDateTimeMS()
{
return DateTime.Now.ToString( "yyyy-MM-dd HH:mm:ss:fffffff" );
}
/// <summary>
/// 获得当前时间的""yyyy年MM月dd日 HH:mm:ss""格式字符串
/// </summary>
public static string GetDateTimeU()
{
return string .Format( "{0:U}" , DateTime.Now);
}
/// <summary>
/// 获得当前时间的""yyyy-MM-dd HH:mm:ss""格式字符串
/// </summary>
public static string GetDateTime()
{
return DateTime.Now.ToString( "yyyy-MM-dd HH:mm:ss" );
}
/// <summary>
/// 获得当前日期
/// </summary>
public static string GetDate()
{
return DateTime.Now.ToString( "yyyy-MM-dd" );
}
/// <summary>
/// 获得中文当前日期
/// </summary>
public static string GetChineseDate()
{
return DateTime.Now.ToString( "yyyy月MM日dd" );
}
/// <summary>
/// 获得当前时间(不含日期部分)
/// </summary>
public static string GetTime()
{
return DateTime.Now.ToString( "HH:mm:ss" );
}
/// <summary>
/// 获得当前小时
/// </summary>
public static string GetHour()
{
return DateTime.Now.Hour.ToString( "00" );
}
/// <summary>
/// 获得当前天
/// </summary>
public static string GetDay()
{
return DateTime.Now.Day.ToString( "00" );
}
/// <summary>
/// 获得当前月
/// </summary>
public static string GetMonth()
{
return DateTime.Now.Month.ToString( "00" );
}
/// <summary>
/// 获得当前年
/// </summary>
public static string GetYear()
{
return DateTime.Now.Year.ToString();
}
/// <summary>
/// 获得当前星期(数字)
/// </summary>
public static string GetDayOfWeek()
{
return (( int )DateTime.Now.DayOfWeek).ToString();
}
/// <summary>
/// 获得当前星期(汉字)
/// </summary>
public static string GetWeek()
{
return _weekdays[( int )DateTime.Now.DayOfWeek];
}
#endregion
#region 数组操作
/// <summary>
/// 获得字符串在字符串数组中的位置
/// </summary>
public static int GetIndexInArray( string s, string [] array, bool ignoreCase)
{
if ( string .IsNullOrEmpty(s) || array == null || array.Length == 0)
return -1;
int index = 0;
string temp = null ;
if (ignoreCase)
s = s.ToLower();
foreach ( string item in array)
{
if (ignoreCase)
temp = item.ToLower();
else
temp = item;
if (s == temp)
return index;
else
index++;
}
return -1;
}
/// <summary>
/// 获得字符串在字符串数组中的位置
/// </summary>
public static int GetIndexInArray( string s, string [] array)
{
return GetIndexInArray(s, array, false );
}
/// <summary>
/// 判断字符串是否在字符串数组中
/// </summary>
public static bool IsInArray( string s, string [] array, bool ignoreCase)
{
return GetIndexInArray(s, array, ignoreCase) > -1;
}
/// <summary>
/// 判断字符串是否在字符串数组中
/// </summary>
public static bool IsInArray( string s, string [] array)
{
return IsInArray(s, array, false );
}
/// <summary>
/// 判断字符串是否在字符串中
/// </summary>
public static bool IsInArray( string s, string array, string splitStr, bool ignoreCase)
{
return IsInArray(s, StringHelper.SplitString(array, splitStr), ignoreCase);
}
/// <summary>
/// 判断字符串是否在字符串中
/// </summary>
public static bool IsInArray( string s, string array, string splitStr)
{
return IsInArray(s, StringHelper.SplitString(array, splitStr), false );
}
/// <summary>
/// 判断字符串是否在字符串中
/// </summary>
public static bool IsInArray( string s, string array)
{
return IsInArray(s, StringHelper.SplitString(array, "," ), false );
}
/// <summary>
/// 将对象数组拼接成字符串
/// </summary>
public static string ObjectArrayToString( object [] array, string splitStr)
{
if (array == null || array.Length == 0)
return "" ;
StringBuilder result = new StringBuilder();
for ( int i = 0; i < array.Length; i++)
result.AppendFormat( "{0}{1}" , array[i], splitStr);
return result.Remove(result.Length - splitStr.Length, splitStr.Length).ToString();
}
/// <summary>
/// 将对象数组拼接成字符串
/// </summary>
public static string ObjectArrayToString( object [] array)
{
return ObjectArrayToString(array, "," );
}
/// <summary>
/// 将字符串数组拼接成字符串
/// </summary>
public static string StringArrayToString( string [] array, string splitStr)
{
return ObjectArrayToString(array, splitStr);
}
/// <summary>
/// 将字符串数组拼接成字符串
/// </summary>
public static string StringArrayToString( string [] array)
{
return StringArrayToString(array, "," );
}
/// <summary>
/// 将整数数组拼接成字符串
/// </summary>
public static string IntArrayToString( int [] array, string splitStr)
{
if (array == null || array.Length == 0)
return "" ;
StringBuilder result = new StringBuilder();
for ( int i = 0; i < array.Length; i++)
result.AppendFormat( "{0}{1}" , array[i], splitStr);
return result.Remove(result.Length - splitStr.Length, splitStr.Length).ToString();
}
/// <summary>
/// 将整数数组拼接成字符串
/// </summary>
public static string IntArrayToString( int [] array)
{
return IntArrayToString(array, "," );
}
/// <summary>
/// 移除数组中的指定项
/// </summary>
/// <param name="array">源数组</param>
/// <param name="removeItem">要移除的项</param>
/// <param name="removeBackspace">是否移除空格</param>
/// <param name="ignoreCase">是否忽略大小写</param>
/// <returns></returns>
public static string [] RemoveArrayItem( string [] array, string removeItem, bool removeBackspace, bool ignoreCase)
{
if (array != null && array.Length > 0)
{
StringBuilder arrayStr = new StringBuilder();
if (ignoreCase)
removeItem = removeItem.ToLower();
string temp = "" ;
foreach ( string item in array)
{
if (ignoreCase)
temp = item.ToLower();
else
temp = item;
if (temp != removeItem)
arrayStr.AppendFormat( "{0}_" , removeBackspace ? item.Trim() : item);
}
return StringHelper.SplitString(arrayStr.Remove(arrayStr.Length - 1, 1).ToString(), "_" );
}
return array;
}
/// <summary>
/// 移除数组中的指定项
/// </summary>
/// <param name="array">源数组</param>
/// <returns></returns>
public static string [] RemoveArrayItem( string [] array)
{
return RemoveArrayItem(array, "" , true , false );
}
/// <summary>
/// 移除字符串中的指定项
/// </summary>
/// <param name="s">源字符串</param>
/// <param name="splitStr">分割字符串</param>
/// <returns></returns>
public static string [] RemoveStringItem( string s, string splitStr)
{
return RemoveArrayItem(StringHelper.SplitString(s, splitStr), "" , true , false );
}
/// <summary>
/// 移除字符串中的指定项
/// </summary>
/// <param name="s">源字符串</param>
/// <returns></returns>
public static string [] RemoveStringItem( string s)
{
return RemoveArrayItem(StringHelper.SplitString(s), "" , true , false );
}
/// <summary>
/// 移除数组中的重复项
/// </summary>
/// <returns></returns>
public static int [] RemoveRepeaterItem( int [] array)
{
if (array == null || array.Length < 2)
return array;
Array.Sort(array);
int length = 1;
for ( int i = 1; i < array.Length; i++)
{
if (array[i] != array[i - 1])
length++;
}
int [] uniqueArray = new int [length];
uniqueArray[0] = array[0];
int j = 1;
for ( int i = 1; i < array.Length; i++)
if (array[i] != array[i - 1])
uniqueArray[j++] = array[i];
return uniqueArray;
}
/// <summary>
/// 移除数组中的重复项
/// </summary>
/// <returns></returns>
public static string [] RemoveRepeaterItem( string [] array)
{
if (array == null || array.Length < 2)
return array;
Array.Sort(array);
int length = 1;
for ( int i = 1; i < array.Length; i++)
{
if (array[i] != array[i - 1])
length++;
}
string [] uniqueArray = new string [length];
uniqueArray[0] = array[0];
int j = 1;
for ( int i = 1; i < array.Length; i++)
if (array[i] != array[i - 1])
uniqueArray[j++] = array[i];
return uniqueArray;
}
/// <summary>
/// 去除字符串中的重复元素
/// </summary>
/// <returns></returns>
public static string GetUniqueString( string s)
{
return GetUniqueString(s, "," );
}
/// <summary>
/// 去除字符串中的重复元素
/// </summary>
/// <returns></returns>
public static string GetUniqueString( string s, string splitStr)
{
return ObjectArrayToString(RemoveRepeaterItem(StringHelper.SplitString(s, splitStr)), splitStr);
}
#endregion
/// <summary>
/// 去除字符串首尾处的空格、回车、换行符、制表符
/// </summary>
public static string TBBRTrim( string str)
{
if (! string .IsNullOrEmpty(str))
return str.Trim().Trim( '\r' ).Trim( '\n' ).Trim( '\t' );
return string .Empty;
}
/// <summary>
/// 去除字符串中的空格、回车、换行符、制表符
/// </summary>
public static string ClearTBBR( string str)
{
if (! string .IsNullOrEmpty(str))
return _tbbrRegex.Replace(str, "" );
return string .Empty;
}
/// <summary>
/// 删除字符串中的空行
/// </summary>
/// <returns></returns>
public static string DeleteNullOrSpaceRow( string s)
{
if ( string .IsNullOrEmpty(s))
return "" ;
string [] tempArray = StringHelper.SplitString(s, "\r\n" );
StringBuilder result = new StringBuilder();
foreach ( string item in tempArray)
{
if (! string .IsNullOrWhiteSpace(item))
result.AppendFormat( "{0}\r\n" , item);
}
if (result.Length > 0)
result.Remove(result.Length - 2, 2);
return result.ToString();
}
/// <summary>
/// 获得指定数量的html空格
/// </summary>
/// <returns></returns>
public static string GetHtmlBS( int count)
{
if (count == 1)
return " " ;
else if (count == 2)
return " " ;
else if (count == 3)
return " " ;
else
{
StringBuilder result = new StringBuilder();
for ( int i = 0; i < count; i++)
result.Append( " " );
return result.ToString();
}
}
/// <summary>
/// 获得指定数量的htmlSpan元素
/// </summary>
/// <returns></returns>
public static string GetHtmlSpan( int count)
{
if (count <= 0)
return "" ;
if (count == 1)
return "<span></span>" ;
else if (count == 2)
return "<span></span><span></span>" ;
else if (count == 3)
return "<span></span><span></span><span></span>" ;
else
{
StringBuilder result = new StringBuilder();
for ( int i = 0; i < count; i++)
result.Append( "<span></span>" );
return result.ToString();
}
}
/// <summary>
///获得邮箱提供者
/// </summary>
/// <param name="email">邮箱</param>
/// <returns></returns>
public static string GetEmailProvider( string email)
{
int index = email.LastIndexOf( '@' );
if (index > 0)
return email.Substring(index + 1);
return string .Empty;
}
/// <summary>
/// 转义正则表达式
/// </summary>
public static string EscapeRegex( string s)
{
string [] oList = { "\\" , "." , "+" , "*" , "?" , "{" , "}" , "[" , "^" , "]" , "$" , "(" , ")" , "=" , "!" , "<" , ">" , "|" , ":" };
string [] eList = { "\\\\" , "\\." , "\\+" , "\\*" , "\\?" , "\\{" , "\\}" , "\\[" , "\\^" , "\\]" , "\\$" , "\\(" , "\\)" , "\\=" , "\\!" , "\\<" , "\\>" , "\\|" , "\\:" };
for ( int i = 0; i < oList.Length; i++)
s = s.Replace(oList[i], eList[i]);
return s;
}
/// <summary>
/// 将ip地址转换成long类型
/// </summary>
/// <param name="ip">ip</param>
/// <returns></returns>
public static long ConvertIPToLong( string ip)
{
string [] ips = ip.Split( '.' );
long number = 16777216L * long .Parse(ips[0]) + 65536L * long .Parse(ips[1]) + 256 * long .Parse(ips[2]) + long .Parse(ips[3]);
return number;
}
/// <summary>
/// 隐藏邮箱
/// </summary>
public static string HideEmail( string email)
{
int index = email.LastIndexOf( '@' );
if (index == 1)
return "*" + email.Substring(index);
if (index == 2)
return email[0] + "*" + email.Substring(index);
StringBuilder sb = new StringBuilder();
sb.Append(email.Substring(0, 2));
int count = index - 2;
while (count > 0)
{
sb.Append( "*" );
count--;
}
sb.Append(email.Substring(index));
return sb.ToString();
}
/// <summary>
/// 隐藏手机
/// </summary>
public static string HideMobile( string mobile)
{
if (mobile != null && mobile.Length > 10)
return mobile.Substring(0, 3) + "*****" + mobile.Substring(8);
return string .Empty;
}
/// <summary>
/// 数据转换为列表
/// </summary>
/// <param name="array">数组</param>
/// <returns></returns>
public static List<T> ArrayToList<T>(T[] array)
{
List<T> list = new List<T>(array.Length);
foreach (T item in array)
list.Add(item);
return list;
}
/// <summary>
/// DataTable转化为List
/// </summary>
/// <param name="dt">DataTable</param>
/// <returns></returns>
public static List<Dictionary< string , object >> DataTableToList(DataTable dt)
{
int columnCount = dt.Columns.Count;
List<Dictionary< string , object >> list = new List<Dictionary< string , object >>(dt.Rows.Count);
foreach (DataRow dr in dt.Rows)
{
Dictionary< string , object > item = new Dictionary< string , object >(columnCount);
for ( int i = 0; i < columnCount; i++)
{
item.Add(dt.Columns[i].ColumnName, dr[i]);
}
list.Add(item);
}
return list;
}
}
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验证数据帮助类
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
using System; using System.Text.RegularExpressions; namespace ZMM.Core { /// <summary> /// 验证帮助类 /// </summary> public class ValidateHelper { //邮件正则表达式 private static Regex _emailregex = new Regex(@"^[a-z0-9]([a-z0-9]*[-_]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[\.][a-z]{2,3}([\.][a-z]{2})?$", RegexOptions.IgnoreCase); //手机号正则表达式 private static Regex _mobileregex = new Regex("^(13|15|17|18)[0-9]{9}$"); //固话号正则表达式 private static Regex _phoneregex = new Regex(@"^(\d{3,4}-?)?\d{7,8}$"); //IP正则表达式 private static Regex _ipregex = new Regex(@"^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$"); //日期正则表达式 private static Regex _dateregex = new Regex(@"(\d{4})-(\d{1,2})-(\d{1,2})"); //数值(包括整数和小数)正则表达式 private static Regex _numericregex = new Regex(@"^[-]?[0-9]+(\.[0-9]+)?$"); //邮政编码正则表达式 private static Regex _zipcoderegex = new Regex(@"^\d{6}$"); /// <summary> /// 是否为邮箱名 /// </summary> public static bool IsEmail(string s) { if (string.IsNullOrEmpty(s)) return true; return _emailregex.IsMatch(s); } /// <summary> /// 是否为手机号 /// </summary> public static bool IsMobile(string s) { if (string.IsNullOrEmpty(s)) return true; return _mobileregex.IsMatch(s); } /// <summary> /// 是否为固话号 /// </summary> public static bool IsPhone(string s) { if (string.IsNullOrEmpty(s)) return true; return _phoneregex.IsMatch(s); } /// <summary> /// 是否为IP /// </summary> public static bool IsIP(string s) { return _ipregex.IsMatch(s); } /// <summary> /// 是否是身份证号 /// </summary> public static bool IsIdCard(string id) { if (string.IsNullOrEmpty(id)) return true; if (id.Length == 18) return CheckIDCard18(id); else if (id.Length == 15) return CheckIDCard15(id); else return false; } /// <summary> /// 是否为18位身份证号 /// </summary> private static bool CheckIDCard18(string Id) { long n = 0; if (long.TryParse(Id.Remove(17), out n) == false || n < Math.Pow(10, 16) || long.TryParse(Id.Replace('x', '0').Replace('X', '0'), out n) == false) return false;//数字验证 string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91"; if (address.IndexOf(Id.Remove(2)) == -1) return false;//省份验证 string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-"); DateTime time = new DateTime(); if (DateTime.TryParse(birth, out time) == false) return false;//生日验证 string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(','); string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(','); char[] Ai = Id.Remove(17).ToCharArray(); int sum = 0; for (int i = 0; i < 17; i++) sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString()); int y = -1; Math.DivRem(sum, 11, out y); if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower()) return false;//校验码验证 return true;//符合GB11643-1999标准 } /// <summary> /// 是否为15位身份证号 /// </summary> private static bool CheckIDCard15(string Id) { long n = 0; if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14)) return false;//数字验证 string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91"; if (address.IndexOf(Id.Remove(2)) == -1) return false;//省份验证 string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-"); DateTime time = new DateTime(); if (DateTime.TryParse(birth, out time) == false) return false;//生日验证 return true;//符合15位身份证标准 } /// <summary> /// 是否为日期 /// </summary> public static bool IsDate(string s) { return _dateregex.IsMatch(s); } /// <summary> /// 是否是数值(包括整数和小数) /// </summary> public static bool IsNumeric(string numericStr) { return _numericregex.IsMatch(numericStr); } /// <summary> /// 是否为邮政编码 /// </summary> public static bool IsZipCode(string s) { if (string.IsNullOrEmpty(s)) return true; return _zipcoderegex.IsMatch(s); } /// <summary> /// 是否是图片文件名 /// </summary> /// <returns> </returns> public static bool IsImgFileName(string fileName) { if (fileName.IndexOf(".") == -1) return false; string tempFileName = fileName.Trim().ToLower(); string extension = tempFileName.Substring(tempFileName.LastIndexOf(".")); return extension == ".png" || extension == ".bmp" || extension == ".jpg" || extension == ".jpeg" || extension == ".gif"; } /// <summary> /// 是否是文件名word /// </summary> /// <param name="fileName"></param> /// <returns></returns> public static bool IsFile(string fileName) { if (fileName.IndexOf(".") == -1) return false; string tempFileName = fileName.Trim().ToLower(); string extension = tempFileName.Substring(tempFileName.LastIndexOf(".")); return extension == ".doc" || extension == ".docx" || extension == ".xls" || extension == ".xlsx" || extension == ".txt"; } /// <summary> /// 判断一个ip是否在另一个ip内 /// </summary> /// <param name="sourceIP">检测ip</param> /// <param name="targetIP">匹配ip</param> /// <returns></returns> public static bool InIP(string sourceIP, string targetIP) { if (string.IsNullOrEmpty(sourceIP) || string.IsNullOrEmpty(targetIP)) return false; string[] sourceIPBlockList = StringHelper.SplitString(sourceIP, @"."); string[] targetIPBlockList = StringHelper.SplitString(targetIP, @"."); int sourceIPBlockListLength = sourceIPBlockList.Length; for (int i = 0; i < sourceIPBlockListLength; i++) { if (targetIPBlockList[i] == "*") return true; if (sourceIPBlockList[i] != targetIPBlockList[i]) { return false; } else { if (i == 3) return true; } } return false; } /// <summary> /// 判断一个ip是否在另一个ip内 /// </summary> /// <param name="sourceIP">检测ip</param> /// <param name="targetIPList">匹配ip列表</param> /// <returns></returns> public static bool InIPList(string sourceIP, string[] targetIPList) { if (targetIPList != null && targetIPList.Length > 0) { foreach (string targetIP in targetIPList) { if (InIP(sourceIP, targetIP)) return true; } } return false; } /// <summary> /// 判断一个ip是否在另一个ip内 /// </summary> /// <param name="sourceIP">检测ip</param> /// <param name="targetIPStr">匹配ip</param> /// <returns></returns> public static bool InIPList(string sourceIP, string targetIPStr) { string[] targetIPList = StringHelper.SplitString(targetIPStr, "\n"); return InIPList(sourceIP, targetIPList); } /// <summary> /// 判断当前时间是否在指定的时间段内 /// </summary> /// <param name="periodList">指定时间段</param> /// <param name="liePeriod">所处时间段</param> /// <returns></returns> public static bool BetweenPeriod(string[] periodList, out string liePeriod) { if (periodList != null && periodList.Length > 0) { DateTime startTime; DateTime endTime; DateTime nowTime = DateTime.Now; DateTime nowDate = nowTime.Date; foreach (string period in periodList) { int index = period.IndexOf("-"); startTime = TypeHelper.StringToDateTime(period.Substring(0, index)); endTime = TypeHelper.StringToDateTime(period.Substring(index + 1)); if (startTime < endTime) { if (nowTime > startTime && nowTime < endTime) { liePeriod = period; return true; } } else { if ((nowTime > startTime && nowTime < nowDate.AddDays(1)) || (nowTime < endTime)) { liePeriod = period; return true; } } } } liePeriod = string.Empty; return false; } /// <summary> /// 判断当前时间是否在指定的时间段内 /// </summary> /// <param name="periodStr">指定时间段</param> /// <param name="liePeriod">所处时间段</param> /// <returns></returns> public static bool BetweenPeriod(string periodStr, out string liePeriod) { string[] periodList = StringHelper.SplitString(periodStr, "\n"); return BetweenPeriod(periodList, out liePeriod); } /// <summary> /// 判断当前时间是否在指定的时间段内 /// </summary> /// <param name="periodList">指定时间段</param> /// <returns></returns> public static bool BetweenPeriod(string periodList) { string liePeriod = string.Empty; return BetweenPeriod(periodList, out liePeriod); } /// <summary> /// 是否是数值(包括整数和小数) /// </summary> public static bool IsNumericArray(string[] numericStrList) { if (numericStrList != null && numericStrList.Length > 0) { foreach (string numberStr in numericStrList) { if (!IsNumeric(numberStr)) return false; } return true; } return false; } /// <summary> /// 是否是数值(包括整数和小数) /// </summary> public static bool IsNumericRule(string numericRuleStr, string splitChar) { return IsNumericArray(StringHelper.SplitString(numericRuleStr, splitChar)); } /// <summary> /// 是否是数值(包括整数和小数) /// </summary> public static bool IsNumericRule(string numericRuleStr) { return IsNumericRule(numericRuleStr, ","); } } }
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
IO帮助类
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
using System; using System.IO; using System.Web; using System.Drawing; using System.Drawing.Imaging; using System.Drawing.Drawing2D; using System.Xml.Serialization; namespace ZMM.Core { /// <summary> /// IO帮助类 /// </summary> public class IOHelper { //是否已经加载了JPEG编码解码器 private static bool _isloadjpegcodec = false; //当前系统安装的JPEG编码解码器 private static ImageCodecInfo _jpegcodec = null; /// <summary> /// 获得文件物理路径 /// </summary> /// <returns></returns> public static string GetMapPath(string path) { if (HttpContext.Current != null) { return HttpContext.Current.Server.MapPath(path); } else { return System.Web.Hosting.HostingEnvironment.MapPath(path); } } #region 序列化 /// <summary> /// XML序列化 /// </summary> /// <param name="obj">序列对象</param> /// <param name="filePath">XML文件路径</param> /// <returns>是否成功</returns> public static bool SerializeToXml(object obj, string filePath) { bool result = false; FileStream fs = null; try { fs = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.ReadWrite); XmlSerializer serializer = new XmlSerializer(obj.GetType()); serializer.Serialize(fs, obj); result = true; } catch (Exception ex) { throw ex; } finally { if (fs != null) fs.Close(); } return result; } /// <summary> /// XML反序列化 /// </summary> /// <param name="type">目标类型(Type类型)</param> /// <param name="filePath">XML文件路径</param> /// <returns>序列对象</returns> public static object DeserializeFromXML(Type type, string filePath) { FileStream fs = null; try { fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); XmlSerializer serializer = new XmlSerializer(type); return serializer.Deserialize(fs); } catch (Exception ex) { throw ex; } finally { if (fs != null) fs.Close(); } } #endregion #region 水印,缩略图 /// <summary> /// 获得当前系统安装的JPEG编码解码器 /// </summary> /// <returns></returns> public static ImageCodecInfo GetJPEGCodec() { if (_isloadjpegcodec == true) return _jpegcodec; ImageCodecInfo[] codecsList = ImageCodecInfo.GetImageEncoders(); foreach (ImageCodecInfo codec in codecsList) { if (codec.MimeType.IndexOf("jpeg") > -1) { _jpegcodec = codec; break; } } _isloadjpegcodec = true; return _jpegcodec; } /// <summary> /// 生成缩略图 /// </summary> /// <param name="imagePath">图片路径</param> /// <param name="thumbPath">缩略图路径</param> /// <param name="width">缩略图宽度</param> /// <param name="height">缩略图高度</param> /// <param name="mode">生成缩略图的方式</param> public static void GenerateThumb(string imagePath, string thumbPath, int width, int height, string mode) { Image image = Image.FromFile(imagePath); string extension = imagePath.Substring(imagePath.LastIndexOf(".")).ToLower(); ImageFormat imageFormat = null; switch (extension) { case ".jpg": case ".jpeg": imageFormat = ImageFormat.Jpeg; break; case ".bmp": imageFormat = ImageFormat.Bmp; break; case ".png": imageFormat = ImageFormat.Png; break; case ".gif": imageFormat = ImageFormat.Gif; break; default: imageFormat = ImageFormat.Jpeg; break; } int toWidth = width > 0 ? width : image.Width; int toHeight = height > 0 ? height : image.Height; int x = 0; int y = 0; int ow = image.Width; int oh = image.Height; switch (mode) { case "HW"://指定高宽缩放(可能变形) break; case "W"://指定宽,高按比例 toHeight = image.Height * width / image.Width; break; case "H"://指定高,宽按比例 toWidth = image.Width * height / image.Height; break; case "Cut"://指定高宽裁减(不变形) if ((double)image.Width / (double)image.Height > (double)toWidth / (double)toHeight) { oh = image.Height; ow = image.Height * toWidth / toHeight; y = 0; x = (image.Width - ow) / 2; } else { ow = image.Width; oh = image.Width * height / toWidth; x = 0; y = (image.Height - oh) / 2; } break; default: break; } //新建一个bmp Image bitmap = new Bitmap(toWidth, toHeight); //新建一个画板 Graphics g = Graphics.FromImage(bitmap); //设置高质量插值法 g.InterpolationMode = InterpolationMode.High; //设置高质量,低速度呈现平滑程度 g.SmoothingMode = SmoothingMode.HighQuality; //清空画布并以透明背景色填充 g.Clear(Color.Transparent); //在指定位置并且按指定大小绘制原图片的指定部分 g.DrawImage(image, new Rectangle(0, 0, toWidth, toHeight), new Rectangle(x, y, ow, oh), GraphicsUnit.Pixel); try { bitmap.Save(thumbPath, imageFormat); } catch (Exception ex) { throw ex; } finally { if (g != null) g.Dispose(); if (bitmap != null) bitmap.Dispose(); if (image != null) image.Dispose(); } } /// <summary> /// 生成图片水印 /// </summary> /// <param name="originalPath">源图路径</param> /// <param name="watermarkPath">水印图片路径</param> /// <param name="targetPath">保存路径</param> /// <param name="position">位置</param> /// <param name="opacity">透明度</param> /// <param name="quality">质量</param> public static void GenerateImageWatermark(string originalPath, string watermarkPath, string targetPath, int position, int opacity, int quality) { Image originalImage = null; Image watermarkImage = null; //图片属性 ImageAttributes attributes = null; //画板 Graphics g = null; try { originalImage = Image.FromFile(originalPath); watermarkImage = new Bitmap(watermarkPath); if (watermarkImage.Height >= originalImage.Height || watermarkImage.Width >= originalImage.Width) { originalImage.Save(targetPath); return; } if (quality < 0 || quality > 100) quality = 80; //水印透明度 float iii; if (opacity > 0 && opacity <= 10) iii = (float)(opacity / 10.0F); else iii = 0.5F; //水印位置 int x = 0; int y = 0; switch (position) { case 1: x = (int)(originalImage.Width * (float).01); y = (int)(originalImage.Height * (float).01); break; case 2: x = (int)((originalImage.Width * (float).50) - (watermarkImage.Width / 2)); y = (int)(originalImage.Height * (float).01); break; case 3: x = (int)((originalImage.Width * (float).99) - (watermarkImage.Width)); y = (int)(originalImage.Height * (float).01); break; case 4: x = (int)(originalImage.Width * (float).01); y = (int)((originalImage.Height * (float).50) - (watermarkImage.Height / 2)); break; case 5: x = (int)((originalImage.Width * (float).50) - (watermarkImage.Width / 2)); y = (int)((originalImage.Height * (float).50) - (watermarkImage.Height / 2)); break; case 6: x = (int)((originalImage.Width * (float).99) - (watermarkImage.Width)); y = (int)((originalImage.Height * (float).50) - (watermarkImage.Height / 2)); break; case 7: x = (int)(originalImage.Width * (float).01); y = (int)((originalImage.Height * (float).99) - watermarkImage.Height); break; case 8: x = (int)((originalImage.Width * (float).50) - (watermarkImage.Width / 2)); y = (int)((originalImage.Height * (float).99) - watermarkImage.Height); break; case 9: x = (int)((originalImage.Width * (float).99) - (watermarkImage.Width)); y = (int)((originalImage.Height * (float).99) - watermarkImage.Height); break; } //颜色映射表 ColorMap colorMap = new ColorMap(); colorMap.OldColor = Color.FromArgb(255, 0, 255, 0); colorMap.NewColor = Color.FromArgb(0, 0, 0, 0); ColorMap[] newColorMap = { colorMap }; //颜色变换矩阵,iii是设置透明度的范围0到1中的单精度类型 float[][] newColorMatrix ={ new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f}, new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f}, new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f}, new float[] {0.0f, 0.0f, 0.0f, iii, 0.0f}, new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f} }; //定义一个 5 x 5 矩阵 ColorMatrix matrix = new ColorMatrix(newColorMatrix); //图片属性 attributes = new ImageAttributes(); attributes.SetRemapTable(newColorMap, ColorAdjustType.Bitmap); attributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap); //画板 g = Graphics.FromImage(originalImage); //绘制水印 g.DrawImage(watermarkImage, new Rectangle(x, y, watermarkImage.Width, watermarkImage.Height), 0, 0, watermarkImage.Width, watermarkImage.Height, GraphicsUnit.Pixel, attributes); //保存图片 EncoderParameters encoderParams = new EncoderParameters(); encoderParams.Param[0] = new EncoderParameter(Encoder.Quality, new long[] { quality }); if (GetJPEGCodec() != null) originalImage.Save(targetPath, _jpegcodec, encoderParams); else originalImage.Save(targetPath); } catch (Exception ex) { throw ex; } finally { if (g != null) g.Dispose(); if (attributes != null) attributes.Dispose(); if (watermarkImage != null) watermarkImage.Dispose(); if (originalImage != null) originalImage.Dispose(); } } /// <summary> /// 生成文字水印 /// </summary> /// <param name="originalPath">源图路径</param> /// <param name="targetPath">保存路径</param> /// <param name="text">水印文字</param> /// <param name="textSize">文字大小</param> /// <param name="textFont">文字字体</param> /// <param name="position">位置</param> /// <param name="quality">质量</param> public static void GenerateTextWatermark(string originalPath, string targetPath, string text, int textSize, string textFont, int position, int quality) { Image originalImage = null; //画板 Graphics g = null; try { originalImage = Image.FromFile(originalPath); //画板 g = Graphics.FromImage(originalImage); if (quality < 0 || quality > 100) quality = 80; Font font = new Font(textFont, textSize, FontStyle.Regular, GraphicsUnit.Pixel); SizeF sizePair = g.MeasureString(text, font); float x = 0; float y = 0; switch (position) { case 1: x = (float)originalImage.Width * (float).01; y = (float)originalImage.Height * (float).01; break; case 2: x = ((float)originalImage.Width * (float).50) - (sizePair.Width / 2); y = (float)originalImage.Height * (float).01; break; case 3: x = ((float)originalImage.Width * (float).99) - sizePair.Width; y = (float)originalImage.Height * (float).01; break; case 4: x = (float)originalImage.Width * (float).01; y = ((float)originalImage.Height * (float).50) - (sizePair.Height / 2); break; case 5: x = ((float)originalImage.Width * (float).50) - (sizePair.Width / 2); y = ((float)originalImage.Height * (float).50) - (sizePair.Height / 2); break; case 6: x = ((float)originalImage.Width * (float).99) - sizePair.Width; y = ((float)originalImage.Height * (float).50) - (sizePair.Height / 2); break; case 7: x = (float)originalImage.Width * (float).01; y = ((float)originalImage.Height * (float).99) - sizePair.Height; break; case 8: x = ((float)originalImage.Width * (float).50) - (sizePair.Width / 2); y = ((float)originalImage.Height * (float).99) - sizePair.Height; break; case 9: x = ((float)originalImage.Width * (float).99) - sizePair.Width; y = ((float)originalImage.Height * (float).99) - sizePair.Height; break; } g.DrawString(text, font, new SolidBrush(Color.White), x + 1, y + 1); g.DrawString(text, font, new SolidBrush(Color.Black), x, y); //保存图片 EncoderParameters encoderParams = new EncoderParameters(); encoderParams.Param[0] = new EncoderParameter(Encoder.Quality, new long[] { quality }); if (GetJPEGCodec() != null) originalImage.Save(targetPath, _jpegcodec, encoderParams); else originalImage.Save(targetPath); } catch (Exception ex) { throw ex; } finally { if (g != null) g.Dispose(); if (originalImage != null) originalImage.Dispose(); } } #endregion } }
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
c# Lambda操作类封装
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
using System; using System.Collections.Generic; using System.Linq; using System.Linq.Expressions; using System.Reflection; using System.Text; using System.Threading.Tasks; namespace EasyFrame.Common { public static class LambdaCommon { #region 表达式工具 /// <summary> /// 相当于&&操作 /// ——Author:hellthinker /// </summary> /// <param name="thisFilter">已生成的过滤条件</param> /// <param name="otherFilter">未生成的过滤条件</param> /// <returns>新的过滤</returns> public static Expression GotoAndAlso(this Expression thisFilter, Expression otherFilter) { return Expression.AndAlso(thisFilter, otherFilter); } /// <summary> /// 相当于||操作 /// ——Author:hellthinker /// </summary> /// <param name="thisFilter">已生成的过滤条件</param> /// <param name="otherFilter">未生成的过滤条件</param> /// <returns>新的过滤</returns> public static Expression GotoOrElse(this Expression thisFilter, Expression otherFilter) { return Expression.OrElse(thisFilter, otherFilter); } /// <summary> /// 相当于==操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoEqual(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { return Expression.Equal(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue)); } /// <summary> /// 相当于>=操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoGreaterThanOrEqual<T>(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //大于或等于 return Expression.GreaterThanOrEqual(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(T))); } /// <summary> /// 相当于小于等于操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoLessThanOrEqual<T>(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //小于或等于 return Expression.LessThanOrEqual(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(T))); } /// <summary> /// 相当于!=操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoNotEqual(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { return Expression.NotEqual(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue)); } /// <summary> /// 相当于>=操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoGreaterThanOrEqual(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //大于或等于 return Expression.GreaterThanOrEqual(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue)); } /// <summary> /// 相当于>操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoGreaterThan<T>(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //大于 return Expression.GreaterThan(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(T))); } /// <summary> /// 相当于小于操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoLessThan<T>(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //小于 return Expression.LessThan(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(T))); } /// <summary> /// 相当于>=操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoGreaterThanOrEqualByDateTime(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //大于或等于 return Expression.GreaterThanOrEqual(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(DateTime?))); } /// <summary> /// 字符串包含 /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoContains(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { return Expression.Call(Expression.Property(thisParameterExpression, propertieName), typeof(string).GetMethod("Contains"), Expression.Constant(propertieValue)); } /// <summary> /// 相当于小于或等于操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoLessThanOrEqualByDateTime(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //小于或等于 return Expression.LessThanOrEqual(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(DateTime?))); } /// <summary> /// 相当于>操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoGreaterThanByDateTime(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //大于 return Expression.GreaterThan(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(DateTime?))); } /// <summary> /// 相当于小于操作 /// ——Author:hellthinker /// </summary> /// <param name="thisParameterExpression">查询对象</param> /// <param name="propertieName">属性名称</param> /// <param name="propertieValue">属性值</param> /// <returns>新的过滤</returns> public static Expression GotoLessThanByDateTime(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { //小于 return Expression.LessThan(Expression.Property(thisParameterExpression, propertieName), Expression.Constant(propertieValue, typeof(DateTime?))); } /// <summary> /// 包含操作 相当余 a=> arr.Contains(a.ID) /// </summary> /// <param name="thisParameterExpression"></param> /// <param name="propertieName"></param> /// <param name="propertieValue"></param> /// <returns></returns> public static Expression ContainsOperations(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { MethodInfo method = null; MemberExpression member = Expression.Property(thisParameterExpression, propertieName); var containsMethods = typeof(Enumerable).GetMethods(BindingFlags.Static | BindingFlags.Public).Where(m => m.Name == "Contains"); foreach (var m in containsMethods) { if (m.GetParameters().Count() == 2) { method = m; break; } } method = method.MakeGenericMethod(member.Type); var exprContains = Expression.Call(method, new Expression[] { Expression.Constant(propertieValue), member }); return exprContains; } /// <summary> /// 包含操作 相当于 a=>a.ID.Contains(key) /// </summary> /// <param name="thisParameterExpression"></param> /// <param name="propertieName"></param> /// <param name="propertieValue"></param> /// <returns></returns> public static Expression Contains(this ParameterExpression thisParameterExpression, string propertieName, object propertieValue) { var propertyExp = Expression.Property(thisParameterExpression, propertieName); MethodInfo method = typeof(string).GetMethod("Contains", new[] { typeof(string) }); var someValue = Expression.Constant(propertieValue, typeof(string)); var containsMethodExp = Expression.Call(propertyExp, method, someValue); return containsMethodExp; } #endregion } }
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法
使用反射(Reflect)获取dll文件中的类型并调用方法
需引用:System.Reflection;
1. 使用反射(Reflect)获取dll文件中的类型并调用方法(入门案例)
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
1 static void Main(string[] args) 2 { 3 //dll文件路径 4 string path = @"D:\VS2015Project\001\Computer\bin\Debug\computer.dll"; 5 6 //加载dll文件 7 Assembly asm = Assembly.LoadFile(path); 8 9 //获取类 10 Type type = asm.GetType("Computer.Computer"); 11 12 //创建该类型的实例 13 object obj = Activator.CreateInstance(type); 14 15 //获取该类的方法 16 MethodInfo mf = type.GetMethod("ShowDrives"); 17 18 //调用方法 19 mf.Invoke(obj, null); 20 21 Console.ReadKey(); 22 }
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
2. 生成类库(computer.dll)的computer.cs文件代码
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
1 using System; 2 using System.Collections.Generic; 3 using System.IO; 4 using System.Linq; 5 using System.Text; 6 7 8 namespace Computer 9 { 10 public class Computer 11 { 12 private DriveInfo[] drives; 13 public Computer() 14 { 15 this.drives = DriveInfo.GetDrives(); 16 } 17 public void ShowDrives() 18 { 19 Console.WriteLine("该电脑的磁盘驱动器有:\r\n"); 20 foreach (var item in drives) 21 { 22 Console.WriteLine(item); 23 } 24 } 25 } 26 }
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
3. 反射调用结果:
C# -- 文件的压缩与解压(GZipStream)
文件的压缩与解压
需引入 System.IO.Compression;
1.C#代码(入门案例)
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
1 Console.WriteLine("压缩文件..............."); 2 using (FileStream fr = File.OpenRead("d:\\test.txt")) 3 { 4 using (FileStream fw = File.OpenWrite("d:\\test.zip")) 5 { 6 using (GZipStream gz = new GZipStream(fw, CompressionMode.Compress)) 7 { 8 9 byte[] by = new byte[1024 * 1024]; 10 int r = fr.Read(by, 0, by.Length); 11 while (r > 0) 12 { 13 gz.Write(by, 0, r); 14 r = fr.Read(by, 0, r); 15 } 16 } 17 } 18 } 19 Console.WriteLine("压缩完成。"); 20 21 22 Console.WriteLine("解压文件..............."); 23 using (FileStream fr = File.OpenRead("d:\\test.zip")) 24 { 25 using (GZipStream gz = new GZipStream(fr, CompressionMode.Decompress)) 26 { 27 using (FileStream fw = File.OpenWrite("d:\\test2.txt")) 28 { 29 30 byte[] by = new byte[1024 * 1024]; 31 int r = gz.Read(by, 0, by.Length); 32 while (r > 0) 33 { 34 fw.Write(by, 0, r); 35 r = gz.Read(by, 0, r); 36 } 37 } 38 } 39 } 40 Console.WriteLine("解压完成。"); 41 42 Console.ReadKey();
![XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream) XML序列化 判断是否是手机 字符操作普通帮助类 验证数据帮助类 IO帮助类 c# Lambda操作类封装 C# -- 使用反射(Reflect)获取dll文件中的类型并调用方法 C# -- 文件的压缩与解压(GZipStream)](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwyTnZiVzF2Ymk1amJtSnNiMmR6TG1OdmJTOXBiV0ZuWlhNdlkyOXdlV052WkdVdVoybG0uanBn.jpg?w=700)
2. 运行结果