// config 
    app.UseWeixinAuthentication("[you appId]", "[you app Secret]");

    // get external login info 
    var weixinInfo = await AuthenticationManager.GetExternalWeixinLoginInfoAsync(); 

    // mp config 
    app.UseWeixinAuthentication(new WeixinMPAuthenticationOptions{
        AppId = "[you appId]", 
        AppSecret = "[you app Secret]"
    });

    // get external login info 
    var weixinInfo = await AuthenticationManager.GetExternalWeixinLoginInfoAsync(); 

    // config 
    app.UseQQAuthentication("[you appId]", "[you app Secret]");

    // get external login info 
    var qqInfo = await AuthenticationManager.GetExternalQQLoginInfoAsync();    

    // 配置 
    app.UseWeixinAuthentication("[you appId]", "[you app Secret]");  

    // 获取微信登录者信息
    var weixinInfo = await AuthenticationManager.GetExternalWeixinLoginInfoAsync();   
    

    // 配置 
    app.UseWeixinAuthentication(new WeixinMPAuthenticationOptions{
        AppId = "[you appId]", 
        AppSecret = "[you app Secret]"
    });  

    // 获取微信登录者信息
    var weixinInfo = await AuthenticationManager.GetExternalWeixinLoginInfoAsync();   
    

    // 配置 
    app.UseQQAuthentication("[you appId]", "[you app Secret]");  

    // 获取QQ登录者信息
    var qqInfo = await AuthenticationManager.GetExternalQQLoginInfoAsync();