dotnetCore利用Configuration读取自定义配置文件

{
"Logging":{
"LogLevel":{
"Default":"Warning"
}
},
"Name":"Cas.Api",
"AllowedHosts":"*",
"urls":"http://0.0.0.0:8080",
"ConsulUrl":"http://127.0.0.1:8500",
"ConnectionStrings":{
"DefaultConnection":"server=192.168.2.100;port=3306;database=dati;user=root;password=888888.;CharSet=utf8;"
},
"appid":"wx*******",
"secret":"xxx*********"
}

/// <summary>
/// 获得微信OPENID
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
[HttpGet]
public string GetOpenId(string code)
{
string url ="https://api.weixin.qq.com/sns/jscode2session";
string appid = _configuration.GetValue<string>("appid");// "";
string secret = _configuration.GetValue<string>("secret");// "";
string js_code = code;
string grant_type ="authorization_code";
try
{
using(var handler =newHttpClientHandler
{
ServerCertificateCustomValidationCallback=(sender, certificate, chain, sslPolicyErrors)=>true
})
using(var http =newHttpClient(handler))
{
var response = http.GetStringAsync(url +"?appid="+ appid +">secret="+ secret +">js_code="+ js_code +">grant_type="+ grant_type);
GetOpenIdResult openIdResult =JsonConvert.DeserializeObject<GetOpenIdResult>(response.Result);
if(openIdResult == null||openIdResult.openid == null)
{
return"";
}
return openIdResult.openid;
}
}
catch(System.Exception ex)
{
return"";
}
}