/// <summary>
 /// 删除发券消息(特定品类)
 /// </summary>
 /// <param name="info"></param>
 /// <returns></returns>
 public async Task RemoveFaQuanInfoAsync(FaQuanInfo info)
 {
     using (var conn = await _dbHelper.CreateDbConnectionAsync())
     {
         await conn.ExecuteAsync("delete from QUANS where QUNID='" + info.QunID + "' and INFO='" + info.Info + "'");
     }
 }
 /// <summary>
 /// 插入发券信息
 /// </summary>
 /// <param name="info"></param>
 /// <returns></returns>
 public async Task InsertFaQuanInfoAsync(FaQuanInfo info)
 {
     using (var conn = await _dbHelper.CreateDbConnectionAsync())
     {
         await conn.InsertAsync(new InfoEntity
         {
             id    = Guid.NewGuid().ToString(),
             Qunid = info.QunID,
             Info  = info.Info
         });
     }
 }