5. 序列化及反序列化的辅助类SerializeUtil
/// <summary>/// 序列化及反序列化的辅助类/// </summary>public sealed class SerializeUtil{private SerializeUtil(){}#region 序列化操作函数/// <summary>/// 将对象序列化为二进制字节/// </summary>/// <param name="obj">待序列化的对象</param>/// <returns></returns>public static byte[] SerializeToBinary(object obj){byte[] bytes = new byte[2500];using (MemoryStream memoryStream = new MemoryStream()){BinaryFormatter bformatter = new BinaryFormatter();bformatter.Serialize(memoryStream, obj);memoryStream.Seek(0, 0);if (memoryStream.Length > bytes.Length){bytes = new byte[memoryStream.Length];}bytes = memoryStream.ToArray();}return bytes;}/// <summary>/// 将文件对象序列化到文件中/// </summary>/// <param name="obj">待序列化的对象</param>/// <param name="path">文件路径</param>/// <param name="fileMode">文件打开模式</param>public static void SerializeToBinary(object obj, string path, FileMode fileMode){using (FileStream fs = new FileStream(path, fileMode)){// Construct a BinaryFormatter and use it to serialize the data to the stream.BinaryFormatter formatter = new BinaryFormatter();formatter.Serialize(fs, obj);}}/// <summary>/// 将文件对象序列化到文件中/// </summary>/// <param name="obj">待序列化的对象</param>/// <param name="path">文件路径</param>public static void SerializeToBinary(object obj, string path){SerializeToBinary(obj, path, FileMode.Create);}/// <summary>/// 将对象序列化为Soap字符串/// </summary>/// <param name="obj">待序列化的对象</param>/// <returns>Soap字符串</returns>public static string SerializeToSoap(object obj){string soap = string.Empty;using (MemoryStream memoryStream = new MemoryStream()){SoapFormatter sformatter = new SoapFormatter();sformatter.Serialize(memoryStream, obj);memoryStream.Seek(0, 0);soap = Encoding.ASCII.GetString(memoryStream.ToArray());}return soap;}/// <summary>/// 将对象序列化为Soap字符串，并保存到文件中/// </summary>/// <param name="obj">待序列化的对象</param>/// <param name="path">文件路径</param>/// <param name="fileMode">文件打开模式</param>public static void SerializeToSoap(object obj, string path, FileMode fileMode){FileStream fs = new FileStream(path, fileMode);// Construct a BinaryFormatter and use it to serialize the data to the stream.SoapFormatter formatter = new SoapFormatter();try{formatter.Serialize(fs, obj);}catch (SerializationException e){Console.WriteLine("Failed to serialize. Reason: " + e.Message);throw;}finally{fs.Close();}}/// <summary>/// 将对象序列化为Soap字符串，并保存到文件中/// </summary>/// <param name="obj">待序列化的对象</param>/// <param name="path">文件路径</param>public static void SerializeToSoap(object obj, string path){SerializeToSoap(obj, path, FileMode.Create);}/// <summary>/// 将对象序列化为XML字符串/// </summary>/// <param name="obj">待序列化的对象</param>/// <returns>XML字符串</returns>public static string SerializeToXml(object obj){string xml = "";using (MemoryStream memoryStream = new MemoryStream()){XmlSerializer serializer = new XmlSerializer(obj.GetType());serializer.Serialize(memoryStream, obj);memoryStream.Seek(0, 0);xml = Encoding.ASCII.GetString(memoryStream.ToArray());}return xml;}/// <summary>/// 将对象序列化为XML字符串并保存到文件/// </summary>/// <param name="obj">待序列化的对象</param>/// <param name="path">保存的文件路径</param>/// <param name="fileMode">文件打开模式</param>public static void SerializeToXmlFile(object obj, string path, FileMode fileMode){using (FileStream fileStream = new FileStream(path, fileMode)){// Construct a BinaryFormatter and use it to serialize the data to the stream.XmlSerializer serializer = new XmlSerializer(obj.GetType());serializer.Serialize(fileStream, obj);}}/// <summary>/// 将对象序列化为XML字符串并保存到文件/// </summary>/// <param name="obj">待序列化的对象</param>/// <param name="path">保存的文件路径</param>public static void SerializeToXmlFile(object obj, string path){SerializeToXmlFile(obj, path, FileMode.Create);}#endregion#region 反序列化操作函数/// <summary>/// 从XML文件中反序列化为Object对象/// </summary>/// <param name="type">对象的类型</param>/// <param name="path">XML文件</param>/// <returns>反序列化后得到的对象</returns>public static object DeserializeFromXmlFile(Type type, string path){object result = new object();using (FileStream fileStream = new FileStream(path, FileMode.Open)){XmlSerializer serializer = new XmlSerializer(type);result = serializer.Deserialize(fileStream);}return result;}/// <summary>/// 从XML文件中反序列化为对象/// </summary>/// <param name="type">对象的类型</param>/// <param name="xml">XML字符串</param>/// <returns>反序列化后得到的对象</returns>public static object DeserializeFromXml(Type type, string xml){object result = new object();XmlSerializer serializer = new XmlSerializer(type);result = serializer.Deserialize(new StringReader(xml));return result;}/// <summary>/// 从Soap字符串中反序列化为对象/// </summary>/// <param name="type">对象的类型</param>/// <param name="soap">soap字符串</param>/// <returns>反序列化后得到的对象</returns>public static object DeserializeFromSoap(Type type, string soap){object result = new object();using (MemoryStream memoryStream = new MemoryStream(new UTF8Encoding().GetBytes(soap))){SoapFormatter serializer = new SoapFormatter();result = serializer.Deserialize(memoryStream);}return result;}/// <summary>/// 从二进制字节中反序列化为对象/// </summary>/// <param name="type">对象的类型</param>/// <param name="bytes">字节数组</param>/// <returns>反序列化后得到的对象</returns>public static object DeserializeFromBinary(Type type, byte[] bytes){object result = new object();using (MemoryStream memoryStream = new MemoryStream(bytes)){BinaryFormatter serializer = new BinaryFormatter();result = serializer.Deserialize(memoryStream);}return result;}/// <summary>/// 从二进制文件中反序列化为对象/// </summary>/// <param name="type">对象的类型</param>/// <param name="path">二进制文件路径</param>/// <returns>反序列化后得到的对象</returns>public static object DeserializeFromBinary(Type type, string path){object result = new object();using (FileStream fileStream = new FileStream(path, FileMode.Open)){BinaryFormatter serializer = new BinaryFormatter();result = serializer.Deserialize(fileStream);}return result;}#endregion/// <summary>/// 获取对象的转换为二进制的字节大小/// </summary>/// <param name="obj"></param>/// <returns></returns>public static long GetByteSize(object obj){long result;BinaryFormatter bFormatter = new BinaryFormatter();using (MemoryStream stream = new MemoryStream()){bFormatter.Serialize(stream, obj);result = stream.Length;}return result;}/// <summary>/// 克隆一个对象/// </summary>/// <param name="obj">待克隆的对象</param>/// <returns>克隆的一个新的对象</returns>public static object Clone(object obj){object cloned = null;BinaryFormatter bFormatter = new BinaryFormatter();using (MemoryStream memoryStream = new MemoryStream()){try{bFormatter.Serialize(memoryStream, obj);memoryStream.Seek(0, SeekOrigin.Begin);cloned = bFormatter.Deserialize(memoryStream);}catch //(Exception e){;}}return cloned;}/// <summary>/// 从文件中读取文本内容/// </summary>/// <param name="path">文件路径</param>/// <returns>文件的内容</returns>public static string ReadFile(string path){string content = string.Empty;using (StreamReader reader = new StreamReader(path)){content = reader.ReadToEnd();}return content;}/// <summary>/// 读取嵌入资源的文本内容/// </summary>/// <param name="fileWholeName">包含命名空间的嵌入资源文件名路径</param>/// <returns>文件中的文本内容</returns>public static string ReadFileFromEmbedded(string fileWholeName){string result = string.Empty;Assembly assembly = Assembly.GetEntryAssembly();using (TextReader reader = new StreamReader(assembly.GetManifestResourceStream(fileWholeName))){result = reader.ReadToEnd();}return result;}}序列化及反序列化的辅助类SerializeUtil测试代码
public class TestSerializeUtil{public static string Execute(){string result = string.Empty;result += "使用SerializeUtil序列化及反序列化的辅助类：" + "\r\n";Person person = new Person();person.Name = "wuhuacong";person.Age = 20;byte[] bytes = SerializeUtil.SerializeToBinary(person);Person person2 = SerializeUtil.DeserializeFromBinary(typeof (Person), bytes) as Person;result += ReflectionUtil.GetProperties(person2) + "\r\n";string xml = SerializeUtil.SerializeToXml(person);Person person3 = SerializeUtil.DeserializeFromXml(typeof (Person), xml) as Person;result += "person3:\r\n" + ReflectionUtil.GetProperties(person3) + "\r\n";result += "SerializeUtil.GetByteSize(person3):" + SerializeUtil.GetByteSize(person3) + "\r\n";Person person4 = SerializeUtil.Clone(person3) as Person;result += "person4:\r\n" + ReflectionUtil.GetProperties(person4) + "\r\n";result += "Util.AreObjectsEqual(person3, person4):" + Util.AreObjectsEqual(person3, person4)+ "\r\n";SerializeUtil.SerializeToXmlFile(person3, Util.CurrentPath + "person3.xml", FileMode.Create);Person person5 = SerializeUtil.DeserializeFromXmlFile(typeof (Person), Util.CurrentPath + "person3.xml") as Person;result += "person5:\r\n" + ReflectionUtil.GetProperties(person5) + "\r\n\r\n";result += SerializeUtil.ReadFile(Util.CurrentPath + "person3.xml") + "\r\n\r\n";result += SerializeUtil.ReadFileFromEmbedded("TestUtilities.EmbedFile.xml") + "\r\n\r\n";return result;}}6. 数据库字段NULL值转换辅助类SmartDataReader
/// <summary>/// 用来转换含有NULL值的字段为合适值的辅助类/// </summary>public sealed class SmartDataReader{private DateTime defaultDate;public SmartDataReader(IDataReader reader){defaultDate = Convert.ToDateTime("01/01/1900");this.reader = reader;}public int GetInt32(String column){int data = (reader.IsDBNull(reader.GetOrdinal(column))) ? (int) 0 : (int) reader[column];return data;}public short GetInt16(String column){short data = (reader.IsDBNull(reader.GetOrdinal(column))) ? (short) 0 : (short) reader[column];return data;}public byte GetByte(String column){byte data = (reader.IsDBNull(reader.GetOrdinal(column))) ? (byte) 0 : (byte) reader[column];return data;}public float GetFloat(String column){float data = (reader.IsDBNull(reader.GetOrdinal(column))) ? 0 : float.Parse(reader[column].ToString());return data;}public double GetDouble(String column){double data = (reader.IsDBNull(reader.GetOrdinal(column))) ? 0 : double.Parse(reader[column].ToString());return data;}public decimal GetDecimal(String column){decimal data = (reader.IsDBNull(reader.GetOrdinal(column))) ? 0 : decimal.Parse(reader[column].ToString());return data;}public Single GetSingle(String column){Single data = (reader.IsDBNull(reader.GetOrdinal(column))) ? 0 : Single.Parse(reader[column].ToString());return data;}public bool GetBoolean(String column){bool data = (reader.IsDBNull(reader.GetOrdinal(column))) ? false : (bool) reader[column];return data;}public String GetString(String column){String data = (reader.IsDBNull(reader.GetOrdinal(column))) ? null : reader[column].ToString();return data;}public byte[] GetBytes(String column){String data = (reader.IsDBNull(reader.GetOrdinal(column))) ? null : reader[column].ToString();return Encoding.UTF8.GetBytes(data);}public Guid GetGuid(String column){String data = (reader.IsDBNull(reader.GetOrdinal(column))) ? null : reader[column].ToString();Guid guid = Guid.Empty;if (data != null){guid = new Guid(data);}return guid;}public DateTime GetDateTime(String column){DateTime data = (reader.IsDBNull(reader.GetOrdinal(column))) ? defaultDate : (DateTime) reader[column];return data;}public bool Read(){return reader.Read();}private IDataReader reader;}数据库字段NULL值转换辅助类SmartDataReader测试代码
public class TestSmartDataReader{public static string Execute(){string result = string.Empty;result += "使用SmartDataReader辅助类：" + "\r\n";try{TestInfo person = SelectOne();result += ReflectionUtil.GetProperties(person) + "\r\n \r\n";}catch (Exception ex){result += string.Format("发生错误:{0}！\r\n \r\n", ex.Message);}return result;}/// <summary>/// 将DataReader的属性值转化为实体类的属性值，返回实体类/// </summary>/// <param name="dataReader">有效的DataReader对象</param>/// <returns>实体类对象</returns>private static TestInfo DataReaderToEntity(IDataReader dataReader){TestInfo testInfo = new TestInfo();SmartDataReader reader = new SmartDataReader(dataReader);testInfo.ID = reader.GetInt32("ID");testInfo.Name = reader.GetString("Name");testInfo.Age = reader.GetInt32("Age");testInfo.Man = reader.GetBoolean("Man");testInfo.Birthday = reader.GetDateTime("Birthday");return testInfo;}public static TestInfo SelectOne(){TestInfo testInfo = null;string sqlCommand = " Select top 1 * from Test";string connectionString = "Server=localhost;Database=Test;uid=sa;pwd=123456";using(SqlConnection connection = new SqlConnection(connectionString)){connection.Open();SqlCommand com = new SqlCommand(sqlCommand, connection);using (IDataReader reader = com.ExecuteReader()){if (reader.Read()){testInfo = DataReaderToEntity(reader);}}}return testInfo;}}7. 字符串操作辅助类
/// <summary>/// 字符串操作辅助类/// </summary>public class StringUtil{#region 一些基本的符号常量/// <summary>/// 点符号 ./// </summary>public const string Dot = ".";/// <summary>/// 下划线 _/// </summary>public const string UnderScore = "_";/// <summary>/// 逗号加空格 , /// </summary>public const string CommaSpace = ", ";/// <summary>/// 逗号 ,/// </summary>public const string Comma = ",";/// <summary>/// 左括号 (/// </summary>public const string OpenParen = "(";/// <summary>/// 右括号 )/// </summary>public const string ClosedParen = ")";/// <summary>/// 单引号 '/// </summary>public const string SingleQuote = "\'";/// <summary>/// 斜线 \/// </summary>public const string Slash = @"\";#endregionprivate StringUtil(){}/// <summary>/// 移除空格并首字母小写的Camel样式/// </summary>/// <param name="name"></param>/// <returns></returns>public static string ToCamel(string name){string clone = name.TrimStart('_');clone = RemoveSpaces(ToProperCase(clone));return String.Format("{0}{1}", Char.ToLower(clone[0]), clone.Substring(1, clone.Length - 1));}/// <summary>/// 移除空格并首字母大写的Pascal样式/// </summary>/// <param name="name"></param>/// <returns></returns>public static string ToCapit(string name){string clone = name.TrimStart('_');return RemoveSpaces(ToProperCase(clone));}/// <summary>/// 移除最后的字符/// </summary>/// <param name="s"></param>/// <returns></returns>public static string RemoveFinalChar(string s){if (s.Length > 1){s = s.Substring(0, s.Length - 1);}return s;}/// <summary>/// 移除最后的逗号/// </summary>/// <param name="s"></param>/// <returns></returns>public static string RemoveFinalComma(string s){if (s.Trim().Length > 0){int c = s.LastIndexOf(",");if (c > 0){s = s.Substring(0, s.Length - (s.Length - c));}}return s;}/// <summary>/// 移除字符中的空格/// </summary>/// <param name="s"></param>/// <returns></returns>public static string RemoveSpaces(string s){s = s.Trim();s = s.Replace(" ", "");return s;}/// <summary>/// 字符串首字母大写/// </summary>/// <param name="s"></param>/// <returns></returns>public static string ToProperCase(string s){string revised = "";if (s.Length > 0){if (s.IndexOf(" ") > 0){revised = Strings.StrConv(s, VbStrConv.ProperCase, 1033);}else{string firstLetter = s.Substring(0, 1).ToUpper(new CultureInfo("en-US"));revised = firstLetter + s.Substring(1, s.Length - 1);}}return revised;}/// <summary>/// 判断字符是否NULL或者为空/// </summary>public static bool IsNullOrEmpty(string value){if (value == null || value == string.Empty){return true;}return false;}}字符串操作辅助类测试代码
public class TestStringUtil{public static string Execute(){string value = "test String,";string result = string.Empty;result += "使用StringUtil字符串操作辅助类：" + "\r\n";result += "原字符串为:" + value + "\r\n";result += "StringUtil.IsNullOrEmpty:" + StringUtil.IsNullOrEmpty(value) + "\r\n";result += "StringUtil.ToCamel:" + StringUtil.ToCamel(value) + "\r\n";result += "StringUtil.ToCapit:" + StringUtil.ToCapit(value) + "\r\n";result += "StringUtil.RemoveSpaces:" + StringUtil.RemoveSpaces(value) + "\r\n";result += "StringUtil.RemoveFinalChar:" + StringUtil.RemoveFinalChar(value) + "\r\n";result += "StringUtil.ToProperCase:" + StringUtil.ToProperCase(value) + "\r\n";result += "\r\n\r\n";return result;}8. Web界面层操作的辅助类
/// <summary>/// Web界面层操作的辅助类/// </summary>public sealed class UIHelper{private static ILog logger = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);private UIHelper(){}/// <summary>/// 提示信息，如果异常为HWException类型，则记录到日志/// </summary>/// <param name="page">当前的页面</param>/// <param name="ex">异常对象</param>/// <param name="Close">是否关闭</param>public static void ShowError(Page page, Exception ex, bool Close){logger.Error("Exception:" + page.ID, ex);string errorMsg = ex.Message;errorMsg = errorMsg.Replace("\n", " ");if (Close){AlertAndClose(page, errorMsg);}else{Alerts(page, errorMsg);}}/// <summary>/// 提示信息/// </summary>/// <param name="control">当前的页面</param>/// <param name="message">提示信息</param>public static void Alerts(Control control, string message){string script = string.Format("<script>javascript:alert(\"{0}\");</script>", message).Replace("\r\n", "");control.Page.RegisterStartupScript("", script);}/// <summary>/// 提示信息并关闭窗口/// </summary>/// <param name="control">当前的页面</param>/// <param name="message">提示信息</param>public static void AlertAndClose(Control control, string message){string script =string.Format("<script>javascript:alert(\"{0}\");window.close();</script>", message).Replace("\r\n", "");control.Page.RegisterStartupScript("", script);}/// <summary>/// 将错误信息记录到事件日志中/// </summary>/// <param name="errorMessage">文本信息</param>public static void LogError(string errorMessage){logger.Error(errorMessage);}/// <summary>/// 将错误信息记录到事件日志中/// </summary>/// <param name="ex">错误对象</param>public static void LogError(Exception ex){try{logger.Error(ex.Message + "\n" + ex.Source + "\n" + ex.StackTrace);}catch{}}/// <summary>/// 弹出提示信息/// </summary>/// <param name="key">key</param>/// <param name="message">提示信息</param>/// <param name="page">当前请求的page</param>public static void Alert(string key, string message, Page page){string msg = string.Format("<script language=\"javascript\">alert(\"{0}\");</script>", message);page.RegisterStartupScript(key, msg);}/// <summary>/// 弹出提示信息/// </summary>/// <param name="message"></param>/// <param name="page"></param>public static void Alert(string message, Page page){Alert("message", message, page);}/// <summary>/// 定位到指定的页面/// </summary>/// <param name="GoPage">目标页面</param>public static void GoTo(string GoPage){HttpContext.Current.Response.Redirect(GoPage);}/// <summary>/// 定位到指定的页面/// </summary>/// <param name="control">当前请求的page</param>/// <param name="page">目标页面</param>public static void Location(Control control, string page){string js = "<script language='JavaScript'>";js += "top.location='" + page + "'";js += "</script>";control.Page.RegisterStartupScript("", js);}/// <summary>/// 提示信息并定位到指定的页面/// </summary>/// <param name="control">当前请求的page</param>/// <param name="page">目标页面</param>/// <param name="message">提示信息</param>public static void AlertAndLocation(Control control, string page, string message){string js = "<script language='JavaScript'>";js += "alert('" + message + "');";js += "top.location='" + page + "'";js += "</script>";control.Page.RegisterStartupScript("", js);}/// <summary>/// 关闭页面，并返回指定的值/// </summary>/// <param name="control"></param>/// <param name="returnValue"></param>public static void CloseWin(Control control, string returnValue){string js = "<script language='JavaScript'>";js += "window.parent.returnValue='" + returnValue + "';";js += "window.close();";js += "</script>";control.Page.RegisterStartupScript("", js);}/// <summary>/// 获取Html的锚点/// </summary>/// <param name="innerText"></param>/// <param name="href"></param>/// <returns></returns>public static HtmlAnchor GetHtmlAnchor(string innerText, string href){HtmlAnchor htmlAnchor = new HtmlAnchor();htmlAnchor.InnerText = innerText;htmlAnchor.HRef = href;return htmlAnchor;}/// <summary>/// 判断输入的字符是否为数字/// </summary>/// <param name="strValue"></param>/// <returns></returns>public static bool IsNumerical(string strValue){return Regex.IsMatch(strValue, @"^[0-9]*$");}/// <summary>/// 判断字符串是否是NULL或者string.Empty/// </summary>/// <param name="text"></param>/// <returns></returns>public static bool IsNullorEmpty(string text){return text == null || text.Trim() == string.Empty;}/// <summary>/// 获取DataGrid控件中选择的项目的ID字符串(要求DataGrid设置datakeyfield="ID")/// </summary>/// <returns>如果没有选择, 那么返回为空字符串, 否则返回逗号分隔的ID字符串(如1,2,3)</returns>public static string GetDatagridItems(DataGrid dg){string idstring = string.Empty;foreach (DataGridItem item in dg.Items){string key = dg.DataKeys[item.ItemIndex].ToString();bool isSelected = ((CheckBox) item.FindControl("cbxDelete")).Checked;if (isSelected){idstring += "'" + key + "'" + ","; //前后追加单引号，可以其他非数值的ID}}idstring = idstring.Trim(',');return idstring;}/// <summary>/// 设置下列列表控件的SelectedValue/// </summary>/// <param name="control">DropDownList控件</param>/// <param name="strValue">SelectedValue的值</param>public static void SetDropDownListItem(DropDownList control, string strValue){if (!IsNullorEmpty(strValue)){control.ClearSelection();ListItem item = control.Items.FindByValue(strValue);if (item != null){control.SelectedValue = item.Value;}}}}Web界面层操作的辅助类测试代码
private void btnShowError_Click(object sender, EventArgs e){try{throw new Exception("测试错误");}catch (Exception ex){UIHelper.ShowError(this, ex, false);return;}}private void btnAlert_Click(object sender, EventArgs e){UIHelper.Alert("这是一个提示信息", this);}