/// <summary>
/// 用于获取或设置Web.config/*.exe.config中节点数据的辅助类
/// </summary>
public sealed class AppConfig {
private string filePath;
/// <summary>
/// 从当前目录中按顺序检索Web.Config和*.App.Config文件。 /// 如果找到一个，则使用它作为配置文件；否则会抛出一个ArgumentNullException异常。
/// </summary> public AppConfig() { string webconfig = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Web.Config"); string appConfig = AppDomain.CurrentDomain.SetupInformation.ConfigurationFile.Replace(".vshost", ""); if (File.Exists(webconfig)) { filePath = webconfig; } else if (File.Exists(appConfig)) { filePath = appConfig; } else { throw new ArgumentNullException("没有找到Web.Config文件或者应用程序配置文件, 请指定配置文件"); } } /// <summary> /// 用户指定具体的配置文件路径 /// </summary> /// <param name="configFilePath">配置文件路径（绝对路径）</param> public AppConfig(string configFilePath) { filePath = configFilePath; } /// <summary> /// 设置程序的config文件 /// </summary> /// <param name="keyName">键名</param> /// <param name="keyValue">键值</param> public void AppConfigSet(string keyName, string keyValue) { //由于存在多个Add键值，使得访问appSetting的操作不成功，故注释下面语句，改用新的方式 /* string xpath = "//add[@key='" + keyName + "']"; XmlDocument document = new XmlDocument(); document.Load(filePath); XmlNode node = document.SelectSingleNode(xpath); node.Attributes["value"].Value = keyValue; document.Save(filePath); */ XmlDocument document = new XmlDocument(); document.Load(filePath); XmlNodeList nodes = document.GetElementsByTagName("add"); for (int i = 0; i < nodes.Count; i++) { //获得将当前元素的key属性 XmlAttribute attribute = nodes[i].Attributes["key"]; //根据元素的第一个属性来判断当前的元素是不是目标元素 if (attribute != null && (attribute.Value == keyName)) { attribute = nodes[i].Attributes["value"]; //对目标元素中的第二个属性赋值 if (attribute != null) { attribute.Value = keyValue; break; } } } document.Save(filePath); } /// <summary> /// 读取程序的config文件的键值。 /// 如果键名不存在，返回空 /// </summary> /// <param name="keyName">键名</param> /// <returns></returns> public string AppConfigGet(string keyName) { string strReturn = string.Empty; try { XmlDocument document = new XmlDocument(); document.Load(filePath); XmlNodeList nodes = document.GetElementsByTagName("add"); for (int i = 0; i < nodes.Count; i++) { //获得将当前元素的key属性 XmlAttribute attribute = nodes[i].Attributes["key"]; //根据元素的第一个属性来判断当前的元素是不是目标元素 if (attribute != null && (attribute.Value == keyName)) { attribute = nodes[i].Attributes["value"]; if (attribute != null) { strReturn = attribute.Value; break; } } } } catch { ; } return strReturn; } /// <summary> /// 获取指定键名中的子项的值 /// </summary> /// <param name="keyName">键名</param> /// <param name="subKeyName">以分号(;)为分隔符的子项名称</param> /// <returns>对应子项名称的值（即是=号后面的值）</returns> public string GetSubValue(string keyName, string subKeyName) { string connectionString = AppConfigGet(keyName).ToLower(); string[] item = connectionString.Split(new char[] {';'}); for (int i = 0; i < item.Length; i++) { string itemValue = item[i].ToLower(); if (itemValue.IndexOf(subKeyName.ToLower()) >= 0) //如果含有指定的关键字 { int startIndex = item[i].IndexOf("="); //等号开始的位置 return item[i].Substring(startIndex + 1); //获取等号后面的值即为Value } } return string.Empty; }}AppConfig测试代码：
public class TestAppConfig { public static string Execute() { string result = string.Empty; //读取Web.Config的 AppConfig config = new AppConfig(); result += "读取Web.Config中的配置信息:" + "\r\n"; result += config.AppName + "\r\n"; result += config.AppConfigGet("WebConfig") + "\r\n"; config.AppConfigSet("WebConfig", DateTime.Now.ToString("hh:mm:ss")); result += config.AppConfigGet("WebConfig") + "\r\n\r\n"; //读取*.App.Config的 config = new AppConfig("TestUtilities.exe.config"); result += "读取TestUtilities.exe.config中的配置信息:" + "\r\n"; result += config.AppName + "\r\n"; result += config.AppConfigGet("AppConfig") + "\r\n"; config.AppConfigSet("AppConfig", DateTime.Now.ToString("hh:mm:ss")); result += config.AppConfigGet("AppConfig") + "\r\n\r\n"; return result; } }2. 反射操作辅助类ReflectionUtil
/// <summary> /// 反射操作辅助类 /// </summary> public sealed class ReflectionUtil { private ReflectionUtil() { } private static BindingFlags bindingFlags = BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static; /// <summary> /// 执行某个方法 /// </summary> /// <param name="obj">指定的对象</param> /// <param name="methodName">对象方法名称</param> /// <param name="args">参数</param> /// <returns></returns> public static object InvokeMethod(object obj, string methodName, object[] args) { object objResult = null; Type type = obj.GetType(); objResult = type.InvokeMember(methodName, bindingFlags | BindingFlags.InvokeMethod, null, obj, args); return objResult; } /// <summary> /// 设置对象字段的值 /// </summary> public static void SetField(object obj, string name, object value) { FieldInfo fieldInfo = obj.GetType().GetField(name, bindingFlags); object objValue = Convert.ChangeType(value, fieldInfo.FieldType); fieldInfo.SetValue(objValue, value); } /// <summary> /// 获取对象字段的值 /// </summary> public static object GetField(object obj, string name) { FieldInfo fieldInfo = obj.GetType().GetField(name, bindingFlags); return fieldInfo.GetValue(obj); } /// <summary> /// 设置对象属性的值 /// </summary> public static void SetProperty(object obj, string name, object value) { PropertyInfo propertyInfo = obj.GetType().GetProperty(name, bindingFlags); object objValue = Convert.ChangeType(value, propertyInfo.PropertyType); propertyInfo.SetValue(obj, objValue, null); } /// <summary> /// 获取对象属性的值 /// </summary> public static object GetProperty(object obj, string name) { PropertyInfo propertyInfo = obj.GetType().GetProperty(name, bindingFlags); return propertyInfo.GetValue(obj, null); } /// <summary> /// 获取对象属性信息（组装成字符串输出） /// </summary> public static string GetProperties(object obj) { StringBuilder strBuilder = new StringBuilder(); PropertyInfo[] propertyInfos = obj.GetType().GetProperties(bindingFlags); foreach (PropertyInfo property in propertyInfos) { strBuilder.Append(property.Name); strBuilder.Append(":"); strBuilder.Append(property.GetValue(obj, null)); strBuilder.Append("\r\n"); } return strBuilder.ToString(); } }反射操作辅助类ReflectionUtil测试代码：
public class TestReflectionUtil { public static string Execute() { string result = string.Empty; result += "使用ReflectionUtil反射操作辅助类：" + "\r\n"; try { Person person = new Person(); person.Name = "wuhuacong"; person.Age = 20; result += DecriptPerson(person); person.Name = "Wade Wu"; person.Age = 99; result += DecriptPerson(person); } catch (Exception ex) { result += string.Format("发生错误:{0}！\r\n \r\n", ex.Message); } return result; } public static string DecriptPerson(Person person) { string result = string.Empty; result += "name:" + ReflectionUtil.GetField(person, "name") + "\r\n"; result += "age" + ReflectionUtil.GetField(person, "age") + "\r\n"; result += "Name:" + ReflectionUtil.GetProperty(person, "Name") + "\r\n"; result += "Age:" + ReflectionUtil.GetProperty(person, "Age") + "\r\n"; result += "Say:" + ReflectionUtil.InvokeMethod(person, "Say", new object[] {}) + "\r\n"; result += "操作完成！\r\n \r\n"; return result; } }3. 注册表访问辅助类RegistryHelper
/// <summary> /// 注册表访问辅助类 /// </summary> public sealed class RegistryHelper { private string softwareKey = string.Empty; private RegistryKey rootRegistry = Registry.CurrentUser; /// <summary> /// 使用注册表键构造，默认从Registry.CurrentUser开始。 /// </summary> /// <param name="softwareKey">注册表键，格式如"SOFTWARE\\Huaweisoft\\EDNMS"的字符串</param> public RegistryHelper(string softwareKey) : this(softwareKey, Registry.CurrentUser) { } /// <summary> /// 指定注册表键及开始的根节点查询 /// </summary> /// <param name="softwareKey">注册表键</param> /// <param name="rootRegistry">开始的根节点（Registry.CurrentUser或者Registry.LocalMachine等）</param> public RegistryHelper(string softwareKey, RegistryKey rootRegistry) { this.softwareKey = softwareKey; this.rootRegistry = rootRegistry; } /// <summary> /// 根据注册表的键获取键值。 /// 如果注册表的键不存在，返回空字符串。 /// </summary> /// <param name="key">注册表的键</param> /// <returns>键值</returns> public string GetValue(string key) { const string parameter = "key"; if (null == key) { throw new ArgumentNullException(parameter); } string result = string.Empty; try { RegistryKey registryKey = rootRegistry.OpenSubKey(softwareKey); result = registryKey.GetValue(key).ToString(); } catch { ; } return result; } /// <summary> /// 保存注册表的键值 /// </summary> /// <param name="key">注册表的键</param> /// <param name="value">键值</param> /// <returns>成功返回true，否则返回false.</returns> public bool SaveValue(string key, string value) { const string parameter1 = "key"; const string parameter2 = "value"; if (null == key) { throw new ArgumentNullException(parameter1); } if (null == value) { throw new ArgumentNullException(parameter2); } RegistryKey registryKey = rootRegistry.OpenSubKey(softwareKey, true); if (null == registryKey) { registryKey = rootRegistry.CreateSubKey(softwareKey); } registryKey.SetValue(key, value); return true; } }注册表访问辅助类RegistryHelper测试代码：
public class TestRegistryHelper { public static string Execute() { string result = string.Empty; result += "使用RegistryHelper注册表访问辅助类：" + "\r\n"; RegistryHelper registry = new RegistryHelper("SoftWare\\HuaweiSoft\\EDNMS"); bool sucess = registry.SaveValue("Test", DateTime.Now.ToString("hh:mm:ss")); if (sucess) { result += registry.GetValue("Test"); } return result; } }4. 压缩/解压缩辅助类ZipUtil
/// <summary> /// 压缩/解压缩辅助类 /// </summary> public sealed class ZipUtil { private ZipUtil() { } /// <summary> /// 压缩文件操作 /// </summary> /// <param name="fileToZip">待压缩文件名</param> /// <param name="zipedFile">压缩后的文件名</param> /// <param name="compressionLevel">0~9,表示压缩的程度，9表示最高压缩</param> /// <param name="blockSize">缓冲块大小</param> public static void ZipFile(string fileToZip, string zipedFile, int compressionLevel, int blockSize) { if (! File.Exists(fileToZip)) { throw new FileNotFoundException("文件 " + fileToZip + " 没有找到，取消压缩。"); } using (FileStream streamToZip = new FileStream(fileToZip, FileMode.Open, FileAccess.Read)) { FileStream fileStream = File.Create(zipedFile); using (ZipOutputStream zipStream = new ZipOutputStream(fileStream)) { ZipEntry zipEntry = new ZipEntry(fileToZip); zipStream.PutNextEntry(zipEntry); zipStream.SetLevel(compressionLevel); byte[] buffer = new byte[blockSize]; Int32 size = streamToZip.Read(buffer, 0, buffer.Length); zipStream.Write(buffer, 0, size); try { while (size < streamToZip.Length) { int sizeRead = streamToZip.Read(buffer, 0, buffer.Length); zipStream.Write(buffer, 0, sizeRead); size += sizeRead; } } catch (Exception ex) { throw ex; } zipStream.Finish(); } } } /// <summary> /// 打开sourceZipPath的压缩文件，解压到destPath目录中 /// </summary> /// <param name="sourceZipPath">待解压的文件路径</param> /// <param name="destPath">解压后的文件路径</param> public static void UnZipFile(string sourceZipPath, string destPath) { if (!destPath.EndsWith(Path.DirectorySeparatorChar.ToString())) { destPath = destPath + Path.DirectorySeparatorChar; } using (ZipInputStream zipInputStream = new ZipInputStream(File.OpenRead(sourceZipPath))) { ZipEntry theEntry; while ((theEntry = zipInputStream.GetNextEntry()) != null) { string fileName = destPath + Path.GetDirectoryName(theEntry.Name) + Path.DirectorySeparatorChar + Path.GetFileName(theEntry.Name); //create directory for file (if necessary) Directory.CreateDirectory(Path.GetDirectoryName(fileName)); if (!theEntry.IsDirectory) { using (FileStream streamWriter = File.Create(fileName)) { int size = 2048; byte[] data = new byte[size]; try { while (true) { size = zipInputStream.Read(data, 0, data.Length); if (size > 0) { streamWriter.Write(data, 0, size); } else { break; } } } catch { } } } } } } }压缩/解压缩辅助类ZipUtil测试代码：
public class TestZipUtil { public static string Execute() { string result = string.Empty; result += "使用ZipUtil压缩/解压缩辅助类：" + "\r\n"; try { ZipUtil.ZipFile("Web.Config", "Test.Zip", 6, 512); ZipUtil.UnZipFile("Test.Zip", "Test"); result += "操作完成！\r\n \r\n"; } catch (Exception ex) { result += string.Format("发生错误:{0}！\r\n \r\n", ex.Message); } return result; } }
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