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  • web.config里面使用configSource

    在asp.net中如果修改了配置文件web.config以后,会导致应用程序重启,所有回话(session)丢失掉,在 .NET Framework 2.0 以后的版本中,可以在一个单独文件中包括所有支持 configSource 属性的配置元素的配置。这样既不用重启应用程序,也方面管理,避免把所有的配置都放在web.config一个文件里使页面看起来比较乱。例如appSetting、connectionStrings节点。
    例子如下:

    注意,configSouce中的文件路径只能为相对物理路径,也就是只能为反斜杠(\),不能用斜杠(/)。

    首先是web.config文件:

    <configuration>
        <!-- appSettings网站信息配置-->
        <appSettings configSource="config\appSettings.config" />
        <connectionStrings configSource="config\connectionStrings.config"/>
        <system.web>
            <compilation debug="true" targetFramework="4.0"/>
            <httpHandlers configSource="config\httpHandlers.config" />
            <authentication mode="Forms">
                <forms loginUrl="~/Account/Login.aspx" timeout="2880" />
            </authentication>
            <pages configSource="config\pages.config" />
            <membership>
                <providers>
                    <clear/>
                    <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices"
                         enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false"
                         maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10"
                         applicationName="/" />
                </providers>
            </membership>
    
            <profile>
                <providers>
                    <clear/>
                    <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/"/>
                </providers>
            </profile>
    
            <roleManager enabled="false">
                <providers>
                    <clear/>
                    <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
                    <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
                </providers>
            </roleManager>
    
        </system.web>
    
        <system.webServer>
            <modules runAllManagedModulesForAllRequests="true"/>
        </system.webServer>
    </configuration>
    View Code

    下面是两个单独的配置文件:

    1、appSettings.config

     1 <?xml version="1.0" encoding="utf-8"?>
     2 
     3 <appSettings>
     4     <!-- Base parameter -->
     5     <add key="SiteResource" value="http://s.baidu.com"/>
     6     <add key="SiteUrl" value="http://www.baidu.com" />
     7     <add key="SiteName" value="www.baidu.com" />
     8     <add key="SiteKeyword" value="baidu"/>
     9     <add key="AllFreeShipping" value="false"/>
    10     <add key="ReduceCashBegin" value="2013-9-10 16:00:00"/>
    11     <add key="ReduceCashEnd" value="2013-9-16 16:00:00"/>
    12     <add key="ReduceCashRule" value="500:30|400:25|300:20|200:15|100:10"/>
    13 </appSettings>
    View Code

    2、connectionStrings.config

    1 <?xml version="1.0"?>
    2 <connectionStrings>
    3     <add  name="connectionStrings"
    4          connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true"
    5          providerName="System.Data.SqlClient" />
    6 </connectionStrings>
    View Code

    读取的时候的方式不变,跟以前一样,这里就写两个:

     1   /// <summary>
     2         /// CSS、JS引用地址
     3         /// </summary>
     4         public static string SiteResource
     5         {
     6             get
     7             {
     8                 return ConfigurationManager.AppSettings["SiteResource"] as string;
     9             }
    10         }
    11         /// <summary>
    12         /// 减现规则
    13         /// </summary>
    14         public static Dictionary<decimal, decimal> ReduceCashRule
    15         {
    16             get
    17             {
    18                 string val = ConfigurationManager.AppSettings["ReduceCashRule"] as string;
    19                 string[] rule = val.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
    20                 Dictionary<decimal, decimal> dic = new Dictionary<decimal, decimal>();
    21                 foreach (string item in rule)
    22                 {
    23                     string[] arr = item.Split(new char[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
    24                     dic.Add(decimal.Parse(arr[0]), decimal.Parse(arr[1]));
    25                 }
    26                 return dic;
    27             }
    28         }
    View Code

    PS:中分看鼻子,齐刘海看脸型,斜刘海看气质,无刘海看五官。。。我适合蒙面!!!!

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  • 原文地址:https://www.cnblogs.com/jiaxa/p/3326631.html
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