Aso.Net Core 的配置系统Configuration

目录

• aso.net core 的配置系统configuration

aso.net core 的配置系统configuration

​ 1.以前的配置文件格式为xml

​ 2.新版的配置文件格式支持 { json ,xml, ini, memory, command, env..... }

01.json文件的弱类型方式读取

1. json文件 【microsoft.extensions.configuration.json】

2. 添加配置文件json文件，并设置内容

   {
     "database": {
       "sqlserver": {
         "connectionstring": "server=.;database=testdb;uid=sa;pwd=123;"
       },
       "mysql": {
         "ipaddress": "127.0.0.1",
         "port": 3306
       }
     },
     "endarray": [
       { "endid": 20 },
       { "endid": "30" }
     ]
   }

3. 获取数据

   private static void main(string[] args)
   {
       iconfiguration configuration = new configurationbuilder()
           .setbasepath(environment.currentdirectory)
           .addjsonfile("appsettings.json",true,true)
           .addinmemorycollection()
           .build();
       var str1 = configuration["database:sqlserver:connectionstring"];
       var str2 = configuration["endarray:0:endid"];
       console.writeline($"{str1}+---{str2}");
   }

02.json文件的强类型获取方式

1.添加引用【microsoft.extensions.configuration.binder】

2.getvalue方式获取

private static void main(string[] args)
{
    iconfiguration configuration = new configurationbuilder()
        .setbasepath(environment.currentdirectory)
        .addjsonfile("appsettings.json",true,true)
        .addinmemorycollection()
        .build();

    //getvalue获取方式
    int val = configuration.getvalue<int>("endarray:0:endid");
    console.writeline(val); 
}

3.实体映射方式

private static void main(string[] args)
{
    iconfiguration configuration = new configurationbuilder()
        .setbasepath(environment.currentdirectory)
        .addjsonfile("appsettings.json",true,true)
        .addinmemorycollection()
        .build();
 
    //bind 获取方式
    root root=new root();
    configuration.bind(root);
    var ip = root.database.mysql.ipaddress;
    var entid = root.endarray[0].endid;
    console.writeline($"{ip}{entid}");
    //get<t> 获取
    var root = configuration.get<root>();
    var ip = root.database.mysql.ipaddress;
    var entid = root.endarray[0].endid;
    console.writeline($"{ip}{entid}");
 
}
//这里是实体类  
 public class sqlserver
    {
        /// <summary>
        /// 
        /// </summary>
        public string connectionstring { get; set; }
    }

    public class mysql
    {
        /// <summary>
        /// 
        /// </summary>
        public string ipaddress { get; set; }
        /// <summary>
        /// 
        /// </summary>
        public int port { get; set; }
    }

    public class database
    {
        /// <summary>
        /// 
        /// </summary>
        public sqlserver sqlserver { get; set; }
        /// <summary>
        /// 
        /// </summary>
        public mysql mysql { get; set; }
    }

    public class endarray
    {
        /// <summary>
        /// 
        /// </summary>
        public int endid { get; set; }
    }

    public class root
    {
        /// <summary>
        /// 
        /// </summary>
        public database database { get; set; }
        /// <summary>
        /// 
        /// </summary>
        public list<endarray> endarray { get; set; }
    }