近期工作比较忙,忙到忘记写博客(自己的借口,主要加班下班后不想动)。
月初的时候,打算每两天写一篇博文,分享自己的一些心得和开发体验,无奈现在只写到第六篇,然而时间已经是20号,岁月不饶人!
总想写点什么,但是有时候文笔可能不咋样,排版也不是很讲究,写的碎碎的。
虽然阅读量、推荐量不高,但是我感觉做事就要持之以恒,保持分享精神!
上一篇写了一些office的操作,包括excel word html pdf,现在想想,确实有点粗糙,不够精炼。
今天准备写一篇关于config文件的基本操作,包括:链接字符串,appSettings操作,运行地址等等。
大家都知道,有时候一些sdk信息账户为了可配置化,除了存库以外,webconfig的配置更能方便简介,且容易维护!
下面贴出我的帮助类(借鉴了cyqdata的帮助类,然后做了一些修改):
using System;
using System.Configuration;
using System.Web;
using System.Collections.Generic;
using System.Reflection; namespace Utils.Config
{
/// <summary>
/// 配置文件
/// </summary>
public static class Config
{
/// <summary>
/// 配置字典
/// </summary>
public static readonly Dictionary<string, string> Configs = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase); /// <summary>
/// 链接字符串配置字典
/// </summary>
public static readonly Dictionary<string, string> ConnConfigs = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase); /// <summary>
/// 文件路径前缀
/// </summary>
public const string FilePre = "file:\\"; /// <summary>
/// 框架的运行路径
/// </summary>
public static string RunfolderPath; /// <summary>
/// 框架程序集名称
/// </summary>
public static string DllFullName; /// <summary>
/// 链接字符串
/// </summary>
public static string _defaultConn; /// <summary>
/// 获取当前Dll的版本号
/// </summary>
public static string Version => Assembly.GetExecutingAssembly().GetName().Version.ToString(); /// <summary>
/// Web根目录
/// </summary>
public static string WebRootPath => AppDomain.CurrentDomain.BaseDirectory; /// <summary>
/// 浏览器地址 (协议名+域名+站点名+文件名+参数)
/// </summary>
public static Uri WebUr => HttpContext.Current.Request.Url; /// <summary>
/// 框架的运行路径
/// </summary>
public static string RunPath
{
get
{
if (string.IsNullOrEmpty(RunfolderPath))
{
Assembly ass = Assembly.GetExecutingAssembly();
DllFullName = ass.FullName;
RunfolderPath = ass.CodeBase;
RunfolderPath = System.IO.Path.GetDirectoryName(RunfolderPath).Replace(FilePre, string.Empty) + "\\";
}
return RunfolderPath;
}
} /// <summary>
/// 设置Web.config或App.config的值。
/// </summary>
public static void SetApp(string key, string value)
{
try
{
if (Configs.ContainsKey(key))
Configs[key] = value;
else
Configs.Add(key, value);
}
catch (Exception err)
{
Log.Log.Txt(err);
}
}
/// <summary>
/// 获取Web.config或App.config的值。
/// </summary>
public static string GetApp(string key)
{
return GetApp(key, string.Empty);
} /// <summary>
/// 获取Web.config或App.config的值(允许值不存在或为空时输出默认值)。
/// </summary>
public static string GetApp(string key, string defaultValue, string filepath = "")
{
if (Configs.ContainsKey(key))
return Configs[key];
else if (!string.IsNullOrEmpty(filepath))
{
ExeConfigurationFileMap ecf = new ExeConfigurationFileMap();
ecf.ExeConfigFilename = filepath;
Configuration config = ConfigurationManager.OpenMappedExeConfiguration(ecf, ConfigurationUserLevel.None);
return config.AppSettings.Settings[key].Value;
}
else
{
string value = ConfigurationManager.AppSettings[key];
value = string.IsNullOrEmpty(value) ? defaultValue : value;
try
{
Configs.Add(key, value);
}
catch (Exception err)
{
Log.Log.Txt(err);
}
return value;
}
} /// <summary>
/// 获取Web.config或App.config的数字值(允许值不存在或为空时输出默认值)。
/// </summary>
public static int GetAppInt(string key, int defaultValue)
{
int result;
string value = GetApp(key);
if (!int.TryParse(value, out result))
return defaultValue;
return result;
} /// <summary>
/// 获取Web.config或App.config的数字值(允许值不存在或为空时输出默认值)。
/// </summary>
public static bool GetAppBool(string key, bool defaultValue)
{
bool result;
bool.TryParse(GetApp(key, defaultValue.ToString()), out result);
return result;
} /// <summary>
/// 获取Web.config或App.config的connectionStrings节点的值。
/// </summary>
public static string GetConn(string name, out string providerName)
{
providerName = string.Empty;
if (string.IsNullOrEmpty(name))
name = "Default";
if (name.Trim().Contains(" "))
return name;
if (ConnConfigs.ContainsKey(name))
return ConnConfigs[name];
ConnectionStringSettings conn = ConfigurationManager.ConnectionStrings[name];
if (conn != null)
{
providerName = conn.ProviderName;
if (name == conn.ConnectionString)//避免误写自己造成死循环。
return name;
name = conn.ConnectionString;
if (!string.IsNullOrEmpty(name) && name.Length < && name.Split(' ').Length == )
return GetConn(name);
if (!ConnConfigs.ContainsKey(name) && string.IsNullOrEmpty(providerName)) // 如果有providerName,则不存档
ConnConfigs.Add(name, conn.ConnectionString);
return conn.ConnectionString;
}
if (name.Length > && name.Split('=').Length > && name.Contains(";")) //链接字符串很长,没空格的情况
return name;
return "";
} /// <summary>
/// 获取Web.config或App.config的connectionStrings节点的值。
/// </summary>
public static string GetConn(string name)
{
string p;
return GetConn(name, out p);
} /// <summary>
/// 添加自定义链接(内存有效,并未写入config文件)
/// </summary>
/// <param name="name">名称</param>
/// <param name="connectionString">链接字符串</param>
public static void SetConn(string name, string connectionString)
{
if (!ConnConfigs.ContainsKey(name))
ConnConfigs.Add(name, connectionString);
else
ConnConfigs[name] = connectionString;
} /// <summary>
/// 获取URL
/// </summary>
public static string Url
{
get
{
string pageUrl = string.Empty;
if (HttpContext.Current != null)
{
HttpRequest request = HttpContext.Current.Request;
if (request.UrlReferrer != null && request.Url != request.UrlReferrer)
pageUrl = request.Url.Scheme + "://" + request.Url.Authority + request.RawUrl + request.UrlReferrer;
else
pageUrl = request.Url.Scheme + "://" + request.Url.Authority + request.RawUrl;
}
return pageUrl;
}
} /// <summary>
/// 数据库链接字符串
/// </summary>
public static string DefaultConn
{
get
{
if (string.IsNullOrEmpty(_defaultConn))
{
_defaultConn = "Defalut";
if (ConfigurationManager.ConnectionStrings != null && ConfigurationManager.ConnectionStrings[_defaultConn] == null)
{
foreach (ConnectionStringSettings item in ConfigurationManager.ConnectionStrings)
{
if (item.Name.ToLower().EndsWith("Defalut"))
{
_defaultConn = item.Name;
break;
}
}
}
} return _defaultConn;
}
set
{
if (value == null)
value = string.Empty;
_defaultConn = value; }
} /// <summary>
/// 生成一个文件夹路径
/// </summary>
/// <param name="foldername">文件夹名称</param>
/// <param name="configkey">config配置key</param>
public static string GenerateFilePath(string foldername, string configkey = "")
{
string path = GetApp(configkey, foldername);
if (!path.EndsWith("\\"))
path = path.TrimEnd('/');
if (path.StartsWith("~/"))
path = path.Substring(); string folder = Config.WebRootPath;
folder = folder + path + @"\"; if (!System.IO.Directory.Exists(folder))
System.IO.Directory.CreateDirectory(folder);
return folder;
}
}
}
OK,各位看官,这一期的文章config操作写到这里喏,感谢大家的支持,您的支持是我的动力!
下一期给大家带来的是常用的Log帮助类,敬请期待!!!