private readonly IHttpClientFactory httpClientFactory;
public async Task<WxOpenIdModel> CodeToOpenId(string code)
{
string url = "https://api.weixin.qq.com/sns/jscode2session";
url += "?appid=wxb16590b80b5217b7";//自己的appid
url += "&secret=7861a23994301e09b3bab548c4570396";//自己的appSecret
url += "&js_code=" + code;
url += "&grant_type=authorization_code";
url += "&connect_redirect=1";
var client = httpClientFactory.CreateClient();
var json = await client.GetStringAsync(url);
var res = Newtonsoft.Json.JsonConvert.DeserializeObject<WxOpenIdModel>(json);
return res;
}