使用ExeConfigurationFileMap读写配置文件代码,CSharp代码库,德仔网

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【CSharp】使用ExeConfigurationFileMap读写配置文件

作者:Dezai.CN / 发布于2012/7/10/ 412

使用ExeConfigurationFileMap读写配置文件

<div>using System;
using System.IO;
using System.Configuration;
public class AppConfig
{ 
 public string LastLoginId
 {
 get { return this.GetItem("LastLoginId"); }
 set { this.SetItem("LastLoginId", value); }
 }
<div> private Configuration config;</div>
<div> public AppConfig()
 {
 ExeConfigurationFileMap configMap = new ExeConfigurationFileMap();
 configMap.ExeConfigFilename = this.CreateConfig();
 this.config = ConfigurationManager.OpenMappedExeConfiguration(configMap, ConfigurationUserLevel.None);
 }
<div> private string CreateConfig()
 {
 try
 {
 string configFile = AppDomain.CurrentDomain.BaseDirectory + @"app.config";
 if (!File.Exists(configFile))
 {
 string xml = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n<configuration>\r\n</configuration>";
 using (StreamWriter sw = new StreamWriter(configFile))
 {
 sw.Write(xml);
 }
 }
 return configFile;
 }
 catch (Exception ex)
 {
 string msg = ex.Message;
 throw;
 }
 }
<div> private string GetItem(string item)
 {
 if (this.config.AppSettings.Settings[item] == null)
 {
 return string.Empty;
 }
 else
 {
 return this.config.AppSettings.Settings[item].Value;
 }
 }
<div> private void SetItem(string item, string value)
 {
 if (this.config.AppSettings.Settings[item] == null)
 {
 this.config.AppSettings.Settings.Add(item, value);
 }
 else
 {
 this.config.AppSettings.Settings[item].Value = value;
 }
 this.Save();
 }
<div> private void Save()
 {
 try
 {
 this.config.Save(ConfigurationSaveMode.Modified);
 }
 catch (Exception ex)
 {
 string msg = ex.Message;
 throw;
 }
 }
}

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　读写配置文件　

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