URL：https://APPID前八位.http://api.lncldglobal.com/1.1//1.1/login POST
传参：@{@"username":self.phone.text,@"password":self.yazhengma.text}
登录成功后的数据格式：
{
createdAt = "2020-08-02T09:25:40.986Z";
emailVerified = 0;
mobilePhoneVerified = 0;
objectId = *****;
sessionToken = *****;
updatedAt = "2020-08-02T09:25:40.986Z";
username = *****;
}
