C# MVC跨域问题解决方法

MVC跨域问题

在配置文件中添加次配置即可

</connectionStrings>
  <system.webServer>
    <httpProtocol>
      <customHeaders>
        <add name="Access-Control-Allow-Origin" value="*" />
        <add name="Access-Control-Allow-Headers" value="Content-Type" />
        <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
      </customHeaders>
    <httpProtocol>
  </system.webServer>
</configuration>