/// <summary>
/// 新增或修改渠道
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
//获取渠道类型列表数据
ViewState["ChannelTypeList"] = new ChannelTypeBll().GetEntities();
//修改渠道，首先获取渠道数据
int id;
if (int.TryParse(Request.QueryString["id"], out id))
{
ViewState["Channel"] = new ChannelBll().GetEntityById(id);
}
}
else
{
//将渠道新增或修改的数据保存到数据库
var entity = new ChannelEntity()
{
ID = Request.Form["ID"] == null ? 0 : int.Parse(Request.Form["ID"]),
Name = Request.Form["Name"],
ChannelTypeId = int.Parse(Request.Form["ChannelTypeId"])
};
new ChannelBll().UpdateOrInsertEntity(entity);
//回到渠道列表页面
Response.Redirect("ChannelList.aspx");
Response.End();
}
}
/// <summary>
/// 删除渠道
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
//获取渠道ID
int id;
if (int.TryParse(Request.QueryString["id"], out id))
{
//删除渠道并返回删除结果
bool result = new ChannelBll().DeleteEntityById(id);
Response.Write(result.ToString());
Response.End();
}
}
/// <summary>
/// 下载渠道二维码
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
//获取渠道ID
int id;
if (int.TryParse(Request.QueryString["id"], out id))
{
var entity = new ChannelBll().GetEntityById(id);
//将数据库中Base64String格式图片转换为Image格式，返回给浏览器
string base64Image = File.ReadAllText(System.Web.HttpContext.Current.Server.MapPath("~/App_Data/") + entity.Qrcode);
byte[] arr = Convert.FromBase64String(base64Image);
MemoryStream ms = new MemoryStream(arr);
Response.ContentType = "image/jpeg";
ms.WriteTo(Response.OutputStream);
Response.End();
}
}
/// <summary>
/// 保存扫描记录
/// </summary>
/// <param name="openId">微信用户OpenId</param>
/// <param name="sceneId">扫描的二维码的参数</param>
/// <param name="scanType">扫描类型</param>
public void SaveScan(string openId, int sceneId, ScanType scanType)
{
//微信公众平台要求微信公众号服务器必须在5秒内返回相应结果，否则会重新发送请求，一共重试三次
//为了避免微信公众号服务器重复接收到同一条扫描记录，造成数据重复，导致统计失真，这里将保存扫描记录的操作放到线程池中异步执行，尽快返回相应结果给微信服务器
ThreadPool.QueueUserWorkItem(e =>
{
int channelId = new ChannelBll().GetChannelIdBySceneId(sceneId);
if (channelId <= 0)
{
return;
}
ChannelScanEntity entity = new ChannelScanEntity()
{
ChannelId = channelId,
ScanTime = DateTime.Now,
OpenId = openId,
ScanType = scanType
};
new ChannelScanDll().AddEntity(entity.GetDataEntity(entity));
});
}
/// <summary>
/// 保存扫描记录
/// </summary>
/// <param name="openId">微信用户OpenId</param>
/// <param name="sceneId">扫描的二维码的参数</param>
/// <param name="scanType">扫描类型</param>
public void SaveScan(string openId, int sceneId, ScanType scanType)
{
//微信公众平台要求微信公众号服务器必须在5秒内返回相应结果，否则会重新发送请求，一共重试三次
//为了避免微信公众号服务器重复接收到同一条扫描记录，造成数据重复，导致统计失真，这里将保存扫描记录的操作放到线程池中异步执行，尽快返回相应结果给微信服务器
ThreadPool.QueueUserWorkItem(e =>
{
int channelId = new ChannelBll().GetChannelIdBySceneId(sceneId);
if (channelId <= 0)
{
return;
}
ChannelScanEntity entity = new ChannelScanEntity()
{
ChannelId = channelId,
ScanTime = DateTime.Now,
OpenId = openId,
ScanType = scanType
};
new ChannelScanDll().AddEntity(entity.GetDataEntity(entity));
});
}
/// <summary>
/// 渠道列表
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
//获取渠道列表数据
ViewState["ChannelList"] = new ChannelBll().GetEntities();
}
