ConfigHelper 配置文件辅助类代码,CSharp代码库,德仔网

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【CSharp】 ConfigHelper 配置文件辅助类
作者:睿智 / 发布于2016/1/4/ 954

	using System;
	using System.Globalization;
	using System.IO;
	using System.Security;
	using System.Security.Cryptography;
	using System.Text;
	using System.Xml;
	using System.Xml.Serialization;
	
	namespace Helper
	{
	 /// <summary>
	 /// 配置文件辅助类
	 /// </summary>
	 public class ConfigHelper
	 {
	 /// <summary>
	 /// 更新配置信息，将配置信息对象序列化至相应的配置文件中，文件格式为带签名的UTF-8
	 /// </summary>
	 /// <typeparam name="T">配置信息类</typeparam>
	 /// <param name="config">配置信息</param>
	 public static void UpdateConfig<T>(T config)
	 {
	 Type configClassType = typeof (T);
	 string configFilePath = GetConfigPath<T>(); //根据配置文件名读取配置文件
	 try
	 {
	 var xmlSerializer = new XmlSerializer(configClassType);
	 using (var xmlTextWriter = new XmlTextWriter(configFilePath, Encoding.UTF8))
	 {
	 xmlTextWriter.Formatting = Formatting.Indented;
	 var xmlNamespace = new XmlSerializerNamespaces();
	 xmlNamespace.Add(string.Empty, string.Empty);
	 xmlSerializer.Serialize(xmlTextWriter, config, xmlNamespace);
	 }
	 }
	 catch (SecurityException ex)
	 {
	 throw new SecurityException(ex.Message, ex.DenySetInstance, ex.PermitOnlySetInstance, ex.Method,
	 ex.Demanded, ex.FirstPermissionThatFailed);
	 }
	 }
	
	
	 /// <summary>
	 /// 获取配置信息
	 /// </summary>
	 /// <typeparam name="T">配置信息类</typeparam>
	 /// <returns>配置信息</returns>
	 public static T GetConfig<T>() where T : class, new()
	 {
	 var configObject = new object();
	 Type configClassType = typeof (T);
	 string configFilePath = GetConfigPath<T>(); //根据配置文件名读取配置文件
	 if (File.Exists(configFilePath))
	 {
	 using (var xmlTextReader = new XmlTextReader(configFilePath))
	 {
	 var xmlSerializer = new XmlSerializer(configClassType);
	 configObject = xmlSerializer.Deserialize(xmlTextReader);
	 }
	 }
	 var config = configObject as T;
	 if (config == null)
	 {
	 return new T();
	 }
	 return config;
	 }
	
	 /// <summary>
	 /// 获取配置文件的服务器物理文件路径
	 /// </summary>
	 /// <typeparam name="T">配置信息类</typeparam>
	 /// <returns>配置文件路径</returns>
	 public static string GetConfigPath<T>()
	 {
	 string path = AppDomain.CurrentDomain.BaseDirectory;
	 if (path == AppDomain.CurrentDomain.BaseDirectory)
	 {
	 path = path + typeof (T).Name + ".config";
	 }
	 return path;
	 }
	
	
	 public static string GetDirPath(string dirName)
	 {
	 string dirPath = dirName;
	 if (!Directory.Exists(dirPath))
	 {
	 Directory.CreateDirectory(dirPath);
	 }
	 return dirPath;
	 }
	
	 public static string Md5(string input)
	 {
	 using (var md5 = new MD5CryptoServiceProvider())
	 {
	 byte[] data = md5.ComputeHash(Encoding.UTF8.GetBytes(input));
	 return BitConverter.ToString(data).Replace("-", string.Empty).ToLower(CultureInfo.CurrentCulture);
	 }
	 }
	
	 /// <summary>
	 /// 读取配置文件
	 /// </summary>
	 /// <returns></returns>
	 public static string ReadConfig<T>()
	 {
	 string configContent = string.Empty;
	 string filePath = GetConfigPath<T>();
	 if (File.Exists(filePath))
	 {
	 using (var sr = new StreamReader(filePath, Encoding.Default))
	 {
	 configContent = sr.ReadToEnd();
	 sr.Close();
	 }
	 }
	 return configContent;
	 }
	
	 /// <summary>
	 /// 写入配置文件
	 /// </summary>
	 /// <param name="config"></param>
	 /// <returns></returns>
	 public static void WriteConfig<T>(string config)
	 {
	 string fileName = GetConfigPath<T>();
	 using (StreamWriter w = File.AppendText(fileName))
	 {
	 w.WriteLine(config);
	 w.Close();
	 }
	 }
	 }
	}
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