C# 操作配置文件App.Config
在C#出现以前,应用程序通常都是采用ini或xml作为配置文件,但C#出现后,大部分程序员还是选择用可操作性强的.config应用程序配置文件的。所以,为了操作方便,通常需要写一个通用类。网上有很多这样的通用类,但我觉得我写的这个通用辅助类对于我来说很方便,看各人喜好喽。
using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;
using System.Configuration;
namespace Schwann.CommLibrary
{
public class ConfigHelper
{
/// <summary>
/// 根据键值获取配置文件
/// </summary>
/// <param name="key">键值</param>
/// <returns></returns>
public static string GetConfig(string key)
{
string val = string.Empty;
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
val = ConfigurationManager.AppSettings[key];
return val;
}
/// <summary>
/// 获取所有配置文件
/// </summary>
/// <returns></returns>
public static Dictionary<string, string> GetConfig()
{
Dictionary<string, string> dict = new Dictionary<string, string>();
foreach (string key in ConfigurationManager.AppSettings.AllKeys)
dict.Add(key, ConfigurationManager.AppSettings[key]);
return dict;
}
/// <summary>
/// 根据键值获取配置文件
/// </summary>
/// <param name="key">键值</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static string GetConfig(string key, string defaultValue)
{
string val = defaultValue;
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
val = ConfigurationManager.AppSettings[key];
if (val == null)
val = defaultValue;
return val;
}
/// <summary>
/// 写配置文件,如果节点不存在则自动创建
/// </summary>
/// <param name="key">键值</param>
/// <param name="value">值</param>
/// <returns></returns>
public static bool SetConfig(string key, string value)
{
try
{
Configuration conf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
if (!conf.AppSettings.Settings.AllKeys.Contains(key))
conf.AppSettings.Settings.Add(key, value);
else
conf.AppSettings.Settings[key].Value = value;
conf.Save();
return true;
}
catch { return false; }
}
/// <summary>
/// 写配置文件(用键值创建),如果节点不存在则自动创建
/// </summary>
/// <param name="dict">键值集合</param>
/// <returns></returns>
public static bool SetConfig(Dictionary<string, string> dict)
{
try
{
if (dict == null || dict.Count == 0)
return false;
Configuration conf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
foreach (string key in dict.Keys)
{
if (!conf.AppSettings.Settings.AllKeys.Contains(key))
conf.AppSettings.Settings.Add(key, dict[key]);
else
conf.AppSettings.Settings[key].Value = dict[key];
}
conf.Save();
return true;
}
catch { return false; }
}
}
}
using System.Collections.Generic;
using System.Text;
using System.Configuration;
namespace Schwann.CommLibrary
{
public class ConfigHelper
{
/// <summary>
/// 根据键值获取配置文件
/// </summary>
/// <param name="key">键值</param>
/// <returns></returns>
public static string GetConfig(string key)
{
string val = string.Empty;
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
val = ConfigurationManager.AppSettings[key];
return val;
}
/// <summary>
/// 获取所有配置文件
/// </summary>
/// <returns></returns>
public static Dictionary<string, string> GetConfig()
{
Dictionary<string, string> dict = new Dictionary<string, string>();
foreach (string key in ConfigurationManager.AppSettings.AllKeys)
dict.Add(key, ConfigurationManager.AppSettings[key]);
return dict;
}
/// <summary>
/// 根据键值获取配置文件
/// </summary>
/// <param name="key">键值</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static string GetConfig(string key, string defaultValue)
{
string val = defaultValue;
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
val = ConfigurationManager.AppSettings[key];
if (val == null)
val = defaultValue;
return val;
}
/// <summary>
/// 写配置文件,如果节点不存在则自动创建
/// </summary>
/// <param name="key">键值</param>
/// <param name="value">值</param>
/// <returns></returns>
public static bool SetConfig(string key, string value)
{
try
{
Configuration conf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
if (!conf.AppSettings.Settings.AllKeys.Contains(key))
conf.AppSettings.Settings.Add(key, value);
else
conf.AppSettings.Settings[key].Value = value;
conf.Save();
return true;
}
catch { return false; }
}
/// <summary>
/// 写配置文件(用键值创建),如果节点不存在则自动创建
/// </summary>
/// <param name="dict">键值集合</param>
/// <returns></returns>
public static bool SetConfig(Dictionary<string, string> dict)
{
try
{
if (dict == null || dict.Count == 0)
return false;
Configuration conf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
foreach (string key in dict.Keys)
{
if (!conf.AppSettings.Settings.AllKeys.Contains(key))
conf.AppSettings.Settings.Add(key, dict[key]);
else
conf.AppSettings.Settings[key].Value = dict[key];
}
conf.Save();
return true;
}
catch { return false; }
}
}
}
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