app.config

一个工厂模式的源码 采用反射技术 通过设定config文件配置加载类

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <appSettings >
    <!--<add key ="dongfengcar" value ="Factory_Method.DongFengFactory"/>
    <add key ="hongqicar" value ="Factory_Method.HongQiFactory"/>-->
    <add key ="curcar" value ="Factory_Method.HongQiFactory"/>
    
  </appSettings>
</configuration>