juipnet/Infrastructure/WxApi/Response/WxResponseBase.cs

using Hncore.Infrastructure.Extension;
using System;

namespace Hncore.Wx.Open
{
    public class ResponseBase
    {
        public int errcode { get; set; }
        public string errmsg { get; set; }
        public int expires_in { get; set; }
        public long create_from { get; set; } 
        public virtual bool need_to_refresh_token
        {
            get
            {
                var timespan = (DateTime.Now.TimestampFrom19700101() - create_from);
                //此处不应该等于0 errcode！=0表明微信返回的token有错误 需要刷新 ==0是正确的
                //提前10分钟过期
                return errcode != 0 || timespan < 0 || timespan > expires_in-10*60;                
            }
        }
    }
}