472 lines
20 KiB
C#
472 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Configuration;
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using System.Runtime.InteropServices;
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namespace RunUpdater.Lib
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{
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/// <summary>
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/// Config文件操作
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/// </summary>
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public static class ConfigHelper
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{
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/// <summary>
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/// 依据连接串名字connectionName返回数据连接字符串
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/// </summary>
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/// <param name="ConfigFilePath">配置文件</param>
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/// <param name="connectionName">ConnectionStrings连接名</param>
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/// <returns></returns>
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public static string GetConnectionStringsConfig(string ConfigFilePath, string connectionName)
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{
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//指定config文件读取
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ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap
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{
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ExeConfigFilename = ConfigFilePath
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};
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Configuration _Configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
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string connectionString = _Configuration.ConnectionStrings.ConnectionStrings[connectionName].ConnectionString;
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return connectionString;
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}
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///<summary>
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///更新连接字符串
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///</summary>
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///<param name="newName">连接字符串名称</param>
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///<param name="newConString">连接字符串内容</param>
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///<param name="newProviderName">数据提供程序名称</param>
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public static void UpdateConnectionStringsConfig(string ConfigFilePath, string newName, string newConString, string newProviderName)
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{
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//指定config文件读取
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ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap
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{
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ExeConfigFilename = ConfigFilePath
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};
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Configuration _Configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
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bool exist = false; //记录该连接串是否已经存在
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//如果要更改的连接串已经存在
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if (_Configuration.ConnectionStrings.ConnectionStrings[newName] != null)
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{
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exist = true;
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}
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// 如果连接串已存在，首先删除它
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if (exist)
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{
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_Configuration.ConnectionStrings.ConnectionStrings.Remove(newName);
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}
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//新建一个连接字符串实例
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ConnectionStringSettings mySettings =
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new ConnectionStringSettings(newName, newConString, newProviderName);
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// 将新的连接串添加到配置文件中.
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_Configuration.ConnectionStrings.ConnectionStrings.Add(mySettings);
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// 保存对配置文件所作的更改
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_Configuration.Save(ConfigurationSaveMode.Modified);
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// 强制重新载入配置文件的ConnectionStrings配置节
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ConfigurationManager.RefreshSection("ConnectionStrings");
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}
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///<summary>
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///返回*.exe.config文件中appSettings配置节的value项
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///</summary>
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///<param name="strKey"></param>
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///<returns></returns>
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public static string GetAppConfig(string ConfigFilePath, string Key)
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{
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ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap
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{
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ExeConfigFilename = ConfigFilePath
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};
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Configuration _Configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
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if (_Configuration.AppSettings.Settings[Key] == null)
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{
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return "";
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}
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else
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{
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return _Configuration.AppSettings.Settings[Key].Value;
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}
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}
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///<summary>
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///在*.exe.config文件中appSettings配置节增加一对键值对
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///</summary>
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///<param name="newKey"></param>
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///<param name="newValue"></param>
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public static void UpdateAppConfig(string ConfigFilePath, string Key, string Value)
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{
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ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap
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{
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ExeConfigFilename = ConfigFilePath
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};
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Configuration _Configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
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if (_Configuration.AppSettings.Settings[Key] == null)
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{
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_Configuration.AppSettings.Settings.Add(Key, Value);
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}
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else
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{
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_Configuration.AppSettings.Settings[Key].Value = Value;
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}
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_Configuration.Save();
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ConfigurationManager.RefreshSection("appSettings");
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}
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///<summary>
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///在*.exe.config文件中appSettings配置节增加一对键值对
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///</summary>
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///<param name="newKey"></param>
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///<param name="newValue"></param>
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public static void UpdateAppConfig(string ConfigFilePath, Dictionary<string,string> keyValues)
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{
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ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap
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{
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ExeConfigFilename = ConfigFilePath
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};
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Configuration _Configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
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foreach(var item in keyValues)
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{
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if (_Configuration.AppSettings.Settings[item.Key] == null)
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{
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_Configuration.AppSettings.Settings.Add(item.Key, item.Value);
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}
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else
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{
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_Configuration.AppSettings.Settings[item.Key].Value = item.Value;
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}
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}
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_Configuration.Save();
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ConfigurationManager.RefreshSection("appSettings");
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}
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}
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/// <summary>
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/// INI文件操作
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/// </summary>
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public static class Win32API
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{
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#region INI文件操作
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/*
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* 针对INI文件的API操作方法，其中的节点（Section)、键（KEY）都不区分大小写
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* 如果指定的INI文件不存在，会自动创建该文件。
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*
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* CharSet定义的时候使用了什么类型，在使用相关方法时必须要使用相应的类型
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* 例如 GetPrivateProfileSectionNames声明为CharSet.Auto,那么就应该使用 Marshal.PtrToStringAuto来读取相关内容
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* 如果使用的是CharSet.Ansi，就应该使用Marshal.PtrToStringAnsi来读取内容
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*
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*/
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#region API声明
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/// <summary>
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/// 获取所有节点名称(Section)
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/// </summary>
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/// <param name="lpszReturnBuffer">存放节点名称的内存地址,每个节点之间用\0分隔</param>
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/// <param name="nSize">内存大小(characters)</param>
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/// <param name="lpFileName">Ini文件</param>
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/// <returns>内容的实际长度,为0表示没有内容,为nSize-2表示内存大小不够</returns>
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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private static extern uint GetPrivateProfileSectionNames(IntPtr lpszReturnBuffer, uint nSize, string lpFileName);
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/// <summary>
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/// 获取某个指定节点(Section)中所有KEY和Value
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/// </summary>
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/// <param name="lpAppName">节点名称</param>
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/// <param name="lpReturnedString">返回值的内存地址,每个之间用\0分隔</param>
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/// <param name="nSize">内存大小(characters)</param>
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/// <param name="lpFileName">Ini文件</param>
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/// <returns>内容的实际长度,为0表示没有内容,为nSize-2表示内存大小不够</returns>
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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private static extern uint GetPrivateProfileSection(string lpAppName, IntPtr lpReturnedString, uint nSize, string lpFileName);
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/// <summary>
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/// 读取INI文件中指定的Key的值
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/// </summary>
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/// <param name="lpAppName">节点名称。如果为null,则读取INI中所有节点名称,每个节点名称之间用\0分隔</param>
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/// <param name="lpKeyName">Key名称。如果为null,则读取INI中指定节点中的所有KEY,每个KEY之间用\0分隔</param>
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/// <param name="lpDefault">读取失败时的默认值</param>
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/// <param name="lpReturnedString">读取的内容缓冲区，读取之后，多余的地方使用\0填充</param>
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/// <param name="nSize">内容缓冲区的长度</param>
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/// <param name="lpFileName">INI文件名</param>
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/// <returns>实际读取到的长度</returns>
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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private static extern uint GetPrivateProfileString(string lpAppName, string lpKeyName, string lpDefault, [In, Out]char[] lpReturnedString, uint nSize, string lpFileName);
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//另一种声明方式,使用 StringBuilder 作为缓冲区类型的缺点是不能接受\0字符，会将\0及其后的字符截断,
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//所以对于lpAppName或lpKeyName为null的情况就不适用
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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private static extern uint GetPrivateProfileString(string lpAppName, string lpKeyName, string lpDefault, StringBuilder lpReturnedString, uint nSize, string lpFileName);
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//再一种声明，使用string作为缓冲区的类型同char[]
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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private static extern uint GetPrivateProfileString(string lpAppName, string lpKeyName, string lpDefault, string lpReturnedString, uint nSize, string lpFileName);
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/// <summary>
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/// 将指定的键值对写到指定的节点，如果已经存在则替换。
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/// </summary>
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/// <param name="lpAppName">节点，如果不存在此节点，则创建此节点</param>
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/// <param name="lpString">Item键值对，多个用\0分隔,形如key1=value1\0key2=value2
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/// <para>如果为string.Empty，则删除指定节点下的所有内容，保留节点</para>
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/// <para>如果为null，则删除指定节点下的所有内容，并且删除该节点</para>
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/// </param>
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/// <param name="lpFileName">INI文件</param>
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/// <returns>是否成功写入</returns>
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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[return: MarshalAs(UnmanagedType.Bool)] //可以没有此行
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private static extern bool WritePrivateProfileSection(string lpAppName, string lpString, string lpFileName);
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/// <summary>
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/// 将指定的键和值写到指定的节点，如果已经存在则替换
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/// </summary>
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/// <param name="lpAppName">节点名称</param>
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/// <param name="lpKeyName">键名称。如果为null，则删除指定的节点及其所有的项目</param>
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/// <param name="lpString">值内容。如果为null，则删除指定节点中指定的键。</param>
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/// <param name="lpFileName">INI文件</param>
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/// <returns>操作是否成功</returns>
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[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool WritePrivateProfileString(string lpAppName, string lpKeyName, string lpString, string lpFileName);
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#endregion
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#region 封装
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/// <summary>
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/// 读取INI文件中指定INI文件中的所有节点名称(Section)
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/// </summary>
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/// <param name="iniFile">Ini文件</param>
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/// <returns>所有节点,没有内容返回string[0]</returns>
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public static string[] INIGetAllSectionNames(string iniFile)
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{
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uint MAX_BUFFER = 32767; //默认为32767
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string[] sections = new string[0]; //返回值
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//申请内存
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IntPtr pReturnedString = Marshal.AllocCoTaskMem((int)MAX_BUFFER * sizeof(char));
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uint bytesReturned = Win32API.GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, iniFile);
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if (bytesReturned != 0)
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{
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//读取指定内存的内容
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string local = Marshal.PtrToStringAuto(pReturnedString, (int)bytesReturned).ToString();
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//每个节点之间用\0分隔,末尾有一个\0
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sections = local.Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries);
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}
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//释放内存
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Marshal.FreeCoTaskMem(pReturnedString);
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return sections;
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}
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/// <summary>
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/// 获取INI文件中指定节点(Section)中的所有条目(key=value形式)
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/// </summary>
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/// <param name="iniFile">Ini文件</param>
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/// <param name="section">节点名称</param>
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/// <returns>指定节点中的所有项目,没有内容返回string[0]</returns>
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public static string[] INIGetAllItems(string iniFile, string section)
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{
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//返回值形式为 key=value,例如 Color=Red
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uint MAX_BUFFER = 32767; //默认为32767
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string[] items = new string[0]; //返回值
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//分配内存
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IntPtr pReturnedString = Marshal.AllocCoTaskMem((int)MAX_BUFFER * sizeof(char));
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uint bytesReturned = Win32API.GetPrivateProfileSection(section, pReturnedString, MAX_BUFFER, iniFile);
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if (!(bytesReturned == MAX_BUFFER - 2) || (bytesReturned == 0))
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{
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string returnedString = Marshal.PtrToStringAuto(pReturnedString, (int)bytesReturned);
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items = returnedString.Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries);
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}
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Marshal.FreeCoTaskMem(pReturnedString); //释放内存
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return items;
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}
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/// <summary>
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/// 获取INI文件中指定节点(Section)中的所有条目的Key列表
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/// </summary>
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/// <param name="iniFile">Ini文件</param>
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/// <param name="section">节点名称</param>
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/// <returns>如果没有内容,反回string[0]</returns>
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public static string[] INIGetAllItemKeys(string iniFile, string section)
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{
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string[] value = new string[0];
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const int SIZE = 1024 * 10;
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if (string.IsNullOrEmpty(section))
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{
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throw new ArgumentException("必须指定节点名称", "section");
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}
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char[] chars = new char[SIZE];
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uint bytesReturned = Win32API.GetPrivateProfileString(section, null, null, chars, SIZE, iniFile);
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if (bytesReturned != 0)
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{
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value = new string(chars).Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries);
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}
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chars = null;
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return value;
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}
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/// <summary>
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/// 读取INI文件中指定KEY的字符串型值
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/// </summary>
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/// <param name="iniFile">Ini文件</param>
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/// <param name="section">节点名称</param>
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/// <param name="key">键名称</param>
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/// <param name="defaultValue">如果没此KEY所使用的默认值</param>
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/// <returns></returns>
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public static string INIGetStringValue(string iniFile, string section, string key, string defaultValue)
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{
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string value = defaultValue;
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const int SIZE = 1024 * 10;
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if (string.IsNullOrEmpty(section))
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{
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throw new ArgumentException("必须指定节点名称", "section");
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}
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if (string.IsNullOrEmpty(key))
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{
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throw new ArgumentException("必须指定键名称(key)", "key");
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}
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StringBuilder sb = new StringBuilder(SIZE);
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uint bytesReturned = Win32API.GetPrivateProfileString(section, key, defaultValue, sb, SIZE, iniFile);
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if (bytesReturned != 0)
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{
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value = sb.ToString();
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}
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sb = null;
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return value;
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}
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/// <summary>
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/// 在INI文件中，将指定的键值对写到指定的节点，如果已经存在则替换
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/// </summary>
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/// <param name="iniFile">INI文件</param>
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/// <param name="section">节点，如果不存在此节点，则创建此节点</param>
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/// <param name="items">键值对，多个用\0分隔,形如key1=value1\0key2=value2</param>
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/// <returns></returns>
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public static bool INIWriteItems(string iniFile, string section, string items)
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{
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if (string.IsNullOrEmpty(section))
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{
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throw new ArgumentException("必须指定节点名称", "section");
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}
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if (string.IsNullOrEmpty(items))
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{
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throw new ArgumentException("必须指定键值对", "items");
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}
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return WritePrivateProfileSection(section, items, iniFile);
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}
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/// <summary>
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/// 在INI文件中，指定节点写入指定的键及值。如果已经存在，则替换。如果没有则创建。
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/// </summary>
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/// <param name="iniFile">INI文件</param>
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/// <param name="section">节点</param>
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/// <param name="key">键</param>
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/// <param name="value">值</param>
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/// <returns>操作是否成功</returns>
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public static bool INIWriteValue(string iniFile, string section, string key, string value)
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{
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if (string.IsNullOrEmpty(section))
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{
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throw new ArgumentException("必须指定节点名称", "section");
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}
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if (string.IsNullOrEmpty(key))
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{
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throw new ArgumentException("必须指定键名称", "key");
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}
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if (value == null)
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{
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throw new ArgumentException("值不能为null", "value");
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}
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return Win32API.WritePrivateProfileString(section, key, value, iniFile);
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}
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/// <summary>
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/// 在INI文件中，删除指定节点中的指定的键。
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/// </summary>
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/// <param name="iniFile">INI文件</param>
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/// <param name="section">节点</param>
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/// <param name="key">键</param>
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/// <returns>操作是否成功</returns>
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public static bool INIDeleteKey(string iniFile, string section, string key)
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{
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if (string.IsNullOrEmpty(section))
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{
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throw new ArgumentException("必须指定节点名称", "section");
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}
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if (string.IsNullOrEmpty(key))
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{
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throw new ArgumentException("必须指定键名称", "key");
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}
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return Win32API.WritePrivateProfileString(section, key, null, iniFile);
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}
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/// <summary>
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/// 在INI文件中，删除指定的节点。
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/// </summary>
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/// <param name="iniFile">INI文件</param>
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/// <param name="section">节点</param>
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/// <returns>操作是否成功</returns>
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public static bool INIDeleteSection(string iniFile, string section)
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{
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if (string.IsNullOrEmpty(section))
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{
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throw new ArgumentException("必须指定节点名称", "section");
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}
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return Win32API.WritePrivateProfileString(section, null, null, iniFile);
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}
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/// <summary>
|
||
/// 在INI文件中，删除指定节点中的所有内容。
|
||
/// </summary>
|
||
/// <param name="iniFile">INI文件</param>
|
||
/// <param name="section">节点</param>
|
||
/// <returns>操作是否成功</returns>
|
||
public static bool INIEmptySection(string iniFile, string section)
|
||
{
|
||
if (string.IsNullOrEmpty(section))
|
||
{
|
||
throw new ArgumentException("必须指定节点名称", "section");
|
||
}
|
||
|
||
return Win32API.WritePrivateProfileSection(section, string.Empty, iniFile);
|
||
}
|
||
|
||
#endregion
|
||
|
||
#endregion
|
||
|
||
}
|
||
|
||
}
|