2024年4月26日发(作者：)
C#读写config配置文件
应用程序配置文件（）是标准的 XML 文件，XML 标记和属性是区分大小写的。它是可以按需要更改的，开发人员可以使用配置文件来更改设置，而不必重编译应用程序。
对于一个config文件：
对config配置文件的读写类：
using System;
using c;
using ;
using ;
using rExpressions;
using uration;
using eModel;
using uration;
namespace NetUtilityLib
{
public static class ConfigHelper
{
//依据连接串名字connectionName返回数据连接字符串
public static string GetConnectionStringsConfig(string connectionName)
{
//指定config文件读取
string file = ablePath;
uration config = eConfiguration(file);
string connectionString =
tionStrings[connectionName].ng();
return connectionString;
}
///
///更新连接字符串
///
///连接字符串名称
///连接字符串内容
///数据提供程序名称
public static void UpdateConnectionStringsConfig(string newName, string newConString, string newProviderName)
{
//指定config文件读取
string file = ablePath;
Configuration config = eConfiguration(file);
bool exist = false; //记录该连接串是否已经存在
//如果要更改的连接串已经存在
if (tionStrings[newName] != null)
{
exist = true;
}
// 如果连接串已存在，首先删除它
if (exist)
{
(newName);
}
//新建一个连接字符串实例
ConnectionStringSettings mySettings =
new ConnectionStringSettings(newName, newConString, newProviderName);
// 将新的连接串添加到配置文件中.
(mySettings);
// 保存对配置文件所作的更改
(ed);
// 强制重新载入配置文件的ConnectionStrings配置节
hSection("ConnectionStrings");
}
///
///返回*.文件中appSettings配置节的value项
///
///
///
public static string GetAppConfig(string strKey)
{
string file = ablePath;
Configuration config = eConfiguration(file);
foreach (string key in s)
{
if (key == strKey)
{
return gs[strKey].ng();
}
}
return null;
}
///
///在*.文件中appSettings配置节增加一对键值对
///
///
///
public static void UpdateAppConfig(string newKey, string newValue)
{
string file = ablePath;
Configuration config = eConfiguration(file);
bool exist = false;
foreach (string key in s)
{
if (key == newKey)
{
exist = true;
}
}
if (exist)
{
(newKey);
}
(newKey, newValue);
(ed);
hSection("appSettings");
}
// 修改eModel下所有服务终结点的IP地址
public static void UpdateServiceModelConfig(string configPath, string serverIP)
{
Configuration config = eConfiguration(configPath);
ConfigurationSectionGroup sec = nGroups["eModel"];
ServiceModelSectionGroup serviceModelSectionGroup = sec as ServiceModelSectionGroup;
ClientSection clientSection = ;
foreach (ChannelEndpointElement item in nts)
{
string pattern = @"bd{1,3}.d{1,3}.d{1,3}.d{1,3}b";
string address = ng();
string replacement = ("{0}", serverIP);
address = e(address, pattern, replacement);
s = new Uri(address);
}
(ed);
hSection("eModel");
}
// 修改applicationSettings中gs中服务的IP地址
public static void UpdateConfig(string configPath, string serverIP)
{
Configuration config = eConfiguration(configPath);
ConfigurationSectionGroup sec = nGroups["applicationSettings"];
ConfigurationSection configSection = ns["gs"];
ClientSettingsSection clientSettingsSection = configSection as ClientSettingsSection;
if (clientSettingsSection != null)
{
SettingElement element1 =
("DataService_SystemManagerWS_SystemManagerWS");
if (element1 != null)
{
(element1);
string oldValue = ml;
ml = GetNewIP(oldValue, serverIP);
(element1);
}
SettingElement element2 =
("DataService_EquipManagerWS_EquipManagerWS");
if (element2 != null)
{
(element2);
string oldValue = ml;
ml = GetNewIP(oldValue, serverIP);
(element2);
}
}
(ed);
hSection("applicationSettings");
}
private static string GetNewIP(string oldValue, string serverIP)
{
string pattern = @"bd{1,3}.d{1,3}.d{1,3}.d{1,3}b";
string replacement = ("{0}", serverIP);
string newvalue = e(oldValue, pattern, replacement);
return newvalue;
}
}
}
测试代码如下：
class Program
{
static void Main(string[] args)
{
try
{
//string file = ablePath + ".config";
//string file1 = urationFile;
string serverIP = Config("ServerIP");
string db = Config("DataBase");
string user = Config("user");
string password = Config("password");
ine(serverIP);
ine(db);
ine(user);
ine(password);
AppConfig("ServerIP", "192.168.1.11");
string newIP = Config("ServerIP");
ine(newIP);
y();
}
catch (Exception ex)
{
ine(e);
}
}
}
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