版权声明:@今年依旧12岁 https://blog.csdn.net/qq_34087199/article/details/89490985
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key="" value=""/>
</appSettings>
</configuration>
using System.Configuration
//获取key值
string a = ConfigurationManager.AppSettings["Server"];