1. 用于擷取或設定Web.config/*.exe.config中節點資料的輔助類
/// <summary>
/// 用于擷取或設定Web.config/*.exe.config中節點資料的輔助類
/// </summary>
public sealed class AppConfig
{
private string filePath;
/// <summary>
/// 從目前目錄中按順序檢索Web.Config和*.App.Config檔案。
/// 如果找到一個,則使用它作為配置檔案;否則會抛出一個ArgumentNullException異常。
/// </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("沒有找到Web.Config檔案或者應用程式配置檔案, 請指定配置檔案");
}
}
/// <summary>
/// 使用者指定具體的配置檔案路徑
/// </summary>
/// <param name="configFilePath">配置檔案路徑(絕對路徑)</param>
public AppConfig(string configFilePath)
{
filePath = configFilePath;
}
/// <summary>
/// 設定程式的config檔案
/// </summary>
/// <param name="keyName">鍵名</param>
/// <param name="keyValue">鍵值</param>
public void AppConfigSet(string keyName, string keyValue)
{
//由于存在多個Add鍵值,使得通路appSetting的操作不成功,故注釋下面語句,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++)
{
//獲得将目前元素的key屬性
XmlAttribute attribute = nodes[i].Attributes["key"];
//根據元素的第一個屬性來判斷目前的元素是不是目标元素
if (attribute != null && (attribute.Value == keyName))
{
attribute = nodes[i].Attributes["value"];
//對目标元素中的第二個屬性指派
if (attribute != null)
{
attribute.Value = keyValue;
break;
}
}
}
document.Save(filePath);
}
/// <summary>
/// 讀取程式的config檔案的鍵值。
/// 如果鍵名不存在,傳回空
/// </summary>
/// <param name="keyName">鍵名</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++)
{
//獲得将目前元素的key屬性
XmlAttribute attribute = nodes[i].Attributes["key"];
//根據元素的第一個屬性來判斷目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>
/// 擷取指定鍵名中的子項的值
/// </summary>
/// <param name="keyName">鍵名</param>
/// <param name="subKeyName">以分号(;)為分隔符的子項名稱</param>
/// <returns>對應子項名稱的值(即是=号後面的值)</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) //如果含有指定的關鍵字
{
int startIndex = item[i].IndexOf("="); //等号開始的位置
return item[i].Substring(startIndex + 1); //擷取等号後面的值即為Value
}
}
return string.Empty;
}
}
AppConfig測試代碼:
public class TestAppConfig
{
public static string Execute()
{
string result = string.Empty;
//讀取Web.Config的
AppConfig config = new AppConfig();
result += "讀取Web.Config中的配置資訊:" + "\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";
//讀取*.App.Config的
config = new AppConfig("TestUtilities.exe.config");
result += "讀取TestUtilities.exe.config中的配置資訊:" + "\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. 反射操作輔助類ReflectionUtil
/// <summary>
/// 反射操作輔助類
/// </summary>
public sealed class ReflectionUtil
{
private ReflectionUtil()
{
}
private static BindingFlags bindingFlags = BindingFlags.DeclaredOnly | BindingFlags.Public |
BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
/// <summary>
/// 執行某個方法
/// </summary>
/// <param name="obj">指定的對象</param>
/// <param name="methodName">對象方法名稱</param>
/// <param name="args">參數</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>
/// 設定對象字段的值
/// </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>
/// 擷取對象字段的值
/// </summary>
public static object GetField(object obj, string name)
{
FieldInfo fieldInfo = obj.GetType().GetField(name, bindingFlags);
return fieldInfo.GetValue(obj);
}
/// <summary>
/// 設定對象屬性的值
/// </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>
/// 擷取對象屬性的值
/// </summary>
public static object GetProperty(object obj, string name)
{
PropertyInfo propertyInfo = obj.GetType().GetProperty(name, bindingFlags);
return propertyInfo.GetValue(obj, null);
}
/// <summary>
/// 擷取對象屬性資訊(組裝成字元串輸出)
/// </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();
}
}
反射操作輔助類ReflectionUtil測試代碼:
public class TestReflectionUtil
{
public static string Execute()
{
string result = string.Empty;
result += "使用ReflectionUtil反射操作輔助類:" + "\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("發生錯誤:{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. 系統資料庫通路輔助類RegistryHelper
/// <summary>
/// 系統資料庫通路輔助類
/// </summary>
public sealed class RegistryHelper
{
private string softwareKey = string.Empty;
private RegistryKey rootRegistry = Registry.CurrentUser;
/// <summary>
/// 使用系統資料庫鍵構造,預設從Registry.CurrentUser開始。
/// </summary>
/// <param name="softwareKey">系統資料庫鍵,格式如"SOFTWARE\\Huaweisoft\\EDNMS"的字元串</param>
public RegistryHelper(string softwareKey) : this(softwareKey, Registry.CurrentUser)
{
}
/// <summary>
/// 指定系統資料庫鍵及開始的根節點查詢
/// </summary>
/// <param name="softwareKey">系統資料庫鍵</param>
/// <param name="rootRegistry">開始的根節點(Registry.CurrentUser或者Registry.LocalMachine等)</param>
public RegistryHelper(string softwareKey, RegistryKey rootRegistry)
{
this.softwareKey = softwareKey;
this.rootRegistry = rootRegistry;
}
/// <summary>
/// 根據系統資料庫的鍵擷取鍵值。
/// 如果系統資料庫的鍵不存在,傳回空字元串。
/// </summary>
/// <param name="key">系統資料庫的鍵</param>
/// <returns>鍵值</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>
/// 儲存系統資料庫的鍵值
/// </summary>
/// <param name="key">系統資料庫的鍵</param>
/// <param name="value">鍵值</param>
/// <returns>成功傳回true,否則傳回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;
}
}
系統資料庫通路輔助類RegistryHelper測試代碼:
public class TestRegistryHelper
{
public static string Execute()
{
string result = string.Empty;
result += "使用RegistryHelper系統資料庫通路輔助類:" + "\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. 壓縮/解壓縮輔助類ZipUtil
/// <summary>
/// 壓縮/解壓縮輔助類
/// </summary>
public sealed class ZipUtil
{
private ZipUtil()
{
}
/// <summary>
/// 壓縮檔案操作
/// </summary>
/// <param name="fileToZip">待壓縮檔案名</param>
/// <param name="zipedFile">壓縮後的檔案名</param>
/// <param name="compressionLevel">0~9,表示壓縮的程度,9表示最高壓縮</param>
/// <param name="blockSize">緩沖塊大小</param>
public static void ZipFile(string fileToZip, string zipedFile, int compressionLevel, int blockSize)
{
if (! File.Exists(fileToZip))
{
throw new FileNotFoundException("檔案 " + fileToZip + " 沒有找到,取消壓縮。");
}
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>
/// 打開sourceZipPath的壓縮檔案,解壓到destPath目錄中
/// </summary>
/// <param name="sourceZipPath">待解壓的檔案路徑</param>
/// <param name="destPath">解壓後的檔案路徑</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
{
}
}
}
}
}
}
}
壓縮/解壓縮輔助類ZipUtil測試代碼:
public class TestZipUtil
{
public static string Execute()
{
string result = string.Empty;
result += "使用ZipUtil壓縮/解壓縮輔助類:" + "\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("發生錯誤:{0}!\r\n \r\n", ex.Message);
}
return result;
}
}
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