微信里面的签到加积分接口(已经测试过没问题)服务号不能每天发送消息，为了避免这个，每天签到的时候，推送一条最新的消息给客户。

本文链接：https://blog.youkuaiyun.com/lxfzgg/article/details/17612609

该博客介绍了一个微信签到接口的实现，通过验证微信ID并检查用户签到记录，来计算并更新用户积分。系统会根据签到的连续天数提供不同积分，并在签到后向用户推送消息。如果管理员未设置签到规则，系统会提示联系管理员。

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public string QianDao(string WeiXinId, string key)//参数是微信号
{
strs = WeiXinId.Trim() + "WJXFGCLN+Mihaha";
strs = DESEncrypt.Encrypt(strs);
if (strs == key)//验证
{
string qdstr = "";
DTcms.Model.users user = new BLL.users().LoginWeiXin(WeiXinId);//通过微信id来获取当前登录用户的id;
if (user != null)
{
string spoint = "0";//初始分值
string epoint = "0";//每日增长分值
string zpoint = "0";//最高分值
string day = "0";
List<DTcms.Model.dt_qiandaopoint_log> modelpoint = new BLL.dt_qiandaopoint_log().GetModelList(string.Format("parent=0"));//查询出管理员对应的有没有信息
if (modelpoint.Count > 0)
{
for (int i = 0; i < modelpoint.Count; i++)
{
epoint = modelpoint[i].epoint;//递增分值
zpoint = modelpoint[i].zpoint;//最高分值
List<DTcms.Model.dt_qiandaopoint_log> listlog = new BLL.dt_qiandaopoint_log().GetModelList(string.Format("user_id='{0}'", user.id));//根据当前的用户id查询当前用户有没有签到过
if (listlog.Count > 0)//如果有对应的用户
{
for (int j = 0; j < listlog.Count; j++)
{
DateTime datetime_old = DateTime.Parse(listlog[j].addtime.ToString());
if (DateTime.Now.AddDays(-1).ToString("yyyyMMdd") == datetime_old.ToString("yyyyMMdd"))//连续签到的（当天的日期-1=昨天的日期）
{
#region
if (DateTime.Now.AddDays(0).ToString("yyyyMMdd") != datetime_old.ToString("yyyyMMdd"))//如果不是当天的时间就可以签到
{
day = (Int32.Parse(listlog[j].day) + 1).ToString();//天数
if (listlog[i].spoint == zpoint)//判断增长分值等于最高连续增长的分值
{
spoint = zpoint;
}
else
{
spoint = (Int32.Parse(listlog[i].epoint) * (Int32.Parse(listlog[i].day) + 1)).ToString();//每天的增长值
}
//添加point_log表（积分表）
Model.point_log modelpointlog = new Model.point_log();
modelpointlog.user_id = Convert.ToInt32(user.id.ToString());
modelpointlog.user_name = user.user_name;
modelpointlog.value = Convert.ToInt32(spoint.ToString());
modelpointlog.remark = "签到" + int.Parse(day) + "天,送" + spoint + "积分";
modelpointlog.add_time = DateTime.Now;
new BLL.point_log().Add(modelpointlog);

//修改user表（用户表）
user.point = user.point + Convert.ToInt32(spoint.ToString());
new BLL.users().Update(user);

//存数据（签到表）
Model.dt_qiandaopoint_log model = new Model.dt_qiandaopoint_log();
model.user_id = user.id.ToString();
model.addtime = DateTime.Now;
model.spoint = spoint;
model.epoint = epoint;
model.zpoint = modelpoint[i].zpoint;
model.day = day;//天数
model.parent = 1;
new BLL.dt_qiandaopoint_log().Add(model);
string points = user.point.ToString();
string a = HttpContext.Current.Request.Url.Authority;
//推送一条消息
DataSet ds = new BLL.user_message().GetListName(1, user.user_name);
if (ds.Tables[0].Rows.Count > 0)
{
qdstr = "您好,您今天签到成功!\n今日所获积分为:" + model.spoint + "分,\n" + "您已连续签到：" + model.day + "天,\n" + "目前总积分数为:" + points + "分.\n" + "推送消息:<a href=\'http://" + a + "/user/message/accept.aspx\'>" + ds.Tables[0].Rows[0]["title"].ToString() + "</a>";
}
else
{
qdstr = "您好,您今天签到成功!\n今日所获积分为:" + model.spoint + "分,\n" + "您已连续签到：" + model.day + "天,\n" + "目前总积分数为:" + points + "分.";
}
}
else//如果是当天的时间就说明已经签到过
{
qdstr = "您好，您今天已经签到,改天再来吧.";
}
#endregion
}
else //不连续签到的
{
#region
if (DateTime.Now.AddDays(0).ToString("yyyyMMdd") != datetime_old.ToString("yyyyMMdd"))//如果不是当天的时间就签到
{
//添加point_log表
Model.point_log modelpointlog = new Model.point_log();
modelpointlog.user_id = Convert.ToInt32(user.id.ToString());
modelpointlog.user_name = user.user_name;
modelpointlog.value = Convert.ToInt32(epoint.ToString());
modelpointlog.remark = "签到1天,送" + epoint + "积分";
modelpointlog.add_time = DateTime.Now;
int result = new BLL.point_log().Add(modelpointlog);

//修改user表
user.point = user.point + int.Parse(epoint.ToString());
new BLL.users().Update(user);

//存数据
Model.dt_qiandaopoint_log model = new Model.dt_qiandaopoint_log();
model.user_id = user.id.ToString();
model.addtime = DateTime.Now;
model.spoint = epoint;
model.epoint = epoint;
model.zpoint = zpoint;
model.day = "1";//天数
model.parent = 1;
new BLL.dt_qiandaopoint_log().Add(model);
string points = user.point.ToString();
//推送一条消息
string a = HttpContext.Current.Request.Url.Authority;
DataSet ds = new BLL.user_message().GetListName(1,user.user_name);
if (ds.Tables[0].Rows.Count > 0)
{
qdstr = "您好,您今天签到成功!\n今日所获积分为:" + model.spoint + "分,\n" + "您已连续签到：" + model.day + "天,\n" + "目前总积分数为:" + points + "分.\n" + "推送消息:<a href=\'http://" + a + "/user/message/accept.aspx\'>" + ds.Tables[0].Rows[0]["title"].ToString() + "</a>";
}
else
{
qdstr = "您好,您今天签到成功!\n今日所获积分为:" + model.spoint + "分,\n" + "您已连续签到：" + model.day + "天,\n" + "目前总积分数为:" + points + "分.";
}
}
else
{
qdstr = "您好，您今天已经签到,改天再来吧.";
}
#endregion
}

}
}
else//如果之前没有签到过的
{
#region
//添加point_log表
Model.point_log modelpointlog = new Model.point_log();
modelpointlog.user_id = Convert.ToInt32(user.id.ToString());
modelpointlog.user_name = user.user_name;
modelpointlog.value = Convert.ToInt32(epoint.ToString());
modelpointlog.remark = "签到1天,送" + epoint + "积分";
modelpointlog.add_time = DateTime.Now;
int result = new BLL.point_log().Add(modelpointlog);

//修改user表
// string str = spoint;
user.point = user.point + int.Parse(epoint.ToString());
new BLL.users().Update(user);

//存数据
Model.dt_qiandaopoint_log model = new Model.dt_qiandaopoint_log();
model.user_id = user.id.ToString();
model.addtime = DateTime.Now;
model.spoint = epoint;
model.epoint = epoint;
model.zpoint = zpoint;
model.day = "1";//天数
model.parent = 1;
new BLL.dt_qiandaopoint_log().Add(model);
string points = user.point.ToString();

//推送一条消息
DataSet ds = new BLL.user_message().GetListName(1, user.user_name);
string a = HttpContext.Current.Request.Url.Authority;
if (ds.Tables[0].Rows.Count > 0)
{
qdstr = "您好,您今天签到成功!\n今日所获积分为:" + model.spoint + "分,\n" + "您已连续签到：" + model.day + "天,\n" + "目前总积分数为:" + points + "分.\n" + "推送消息:<a href=\'http://" + a + "/user/message/accept.aspx\'>" + ds.Tables[0].Rows[0]["title"].ToString() + "</a>";
}
else
{
qdstr = "您好,您今天签到成功!\n今日所获积分为:" + model.spoint + "分,\n" + "您已连续签到：" + model.day + "天,\n" + "目前总积分数为:" + points + "分.";
}

#endregion
}
}
}
else//管理员没有添加签到的积分规则
{
qdstr = "请联系管理员分配签到功能！！！";
}
return qdstr;
}
else
{
qdstr = "0";//没有绑定
}
return qdstr;
}
else
{
strs = "验证失败";
return strs;
}
}