/**////
/// 用户指定具体的配置文件路径
///
/// 配置文件路径（绝对路径）
public AppConfig(string configFilePath)
{
filePath = configFilePath;
}
/**////
/// 设置程序的config文件
///
/// 键名
/// 键值
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);
}
/**////
/// 读取程序的config文件的键值。
/// 如果键名不存在，返回空
///
/// 键名
///
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;
}
/**////
/// 获取指定键名中的子项的值
///
/// 键名
/// 以分号(;)为分隔符的子项名称
/// 对应子项名称的值（即是=号后面的值）
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
/**////
/// 反射操作辅助类
///
public sealed class ReflectionUtil
{
private ReflectionUtil()
{
}
private static BindingFlags bindingFlags = BindingFlags.DeclaredOnly | BindingFlags.Public |
BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
/**////
/// 执行某个方法
///
/// 指定的对象
/// 对象方法名称
/// 参数
///
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;
}
/**////
/// 设置对象字段的值
///
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);
}
/**////
/// 获取对象字段的值
///
public static object GetField(object obj, string name)
{
FieldInfo fieldInfo = obj.GetType().GetField(name, bindingFlags);
return fieldInfo.GetValue(obj);
}
/**////
/// 设置对象属性的值
///
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);
}
/**////
/// 获取对象属性的值
///
public static object GetProperty(object obj, string name)
{
PropertyInfo propertyInfo = obj.GetType().GetProperty(name, bindingFlags);
return propertyInfo.GetValue(obj, null);
}
/**////
/// 获取对象属性信息（组装成字符串输出）
///
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
/**////
/// 注册表访问辅助类
///
public sealed class RegistryHelper
{
private string softwareKey = string.Empty;
private RegistryKey rootRegistry = Registry.CurrentUser;
/**////
/// 使用注册表键构造，默认从Registry.CurrentUser开始。
///
/// 注册表键，格式如"SOFTWARE\\Huaweisoft\\EDNMS"的字符串
public RegistryHelper(string softwareKey) : this(softwareKey, Registry.CurrentUser)
{
}
/**////
/// 指定注册表键及开始的根节点查询
///
/// 注册表键
/// 开始的根节点（Registry.CurrentUser或者Registry.LocalMachine等）
public RegistryHelper(string softwareKey, RegistryKey rootRegistry)
{
this.softwareKey = softwareKey;
this.rootRegistry = rootRegistry;
}
/**////
/// 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。
///
/// 注册表的键
/// 键值
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;
}
/**////
/// 保存注册表的键值
///
/// 注册表的键
/// 键值
/// 成功返回true，否则返回false.
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
/**////
/// 压缩/解压缩辅助类
///
public sealed class ZipUtil
{
private ZipUtil()
{
}
/**////
/// 压缩文件操作
///
/// 待压缩文件名
/// 压缩后的文件名
/// 0~9,表示压缩的程度，9表示最高压缩
/// 缓冲块大小
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();
}
}
}
/**////
/// 打开sourceZipPath的压缩文件，解压到destPath目录中
///
/// 待解压的文件路径
/// 解压后的文件路径
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;
}
}
来源:cnblogs
