//OpacApplication app = null;
//SessionInfo sessioninfo = null;
protected void Page_Load(object sender, EventArgs e)
{
if (WebUtil.PrepareEnvironment(this,
ref app,
ref sessioninfo) == false)
{
return;
}
string strError = "";
int nRet = 0;
string strBarcode = Request.QueryString["barcode"];
#if NO
if (strBarcode.IndexOf("@") != -1)
{
if (sessioninfo.UserID == strBarcode &&
string.IsNullOrEmpty(sessioninfo.PhotoUrl) == false)
{
this.Response.Redirect(this.sessioninfo.PhotoUrl, true);
return;
}
}
#endif
string strAction = Request.QueryString["action"];
// 获得一般 QR 图像
// getphoto.aspx?action=qri&barcode=????????&width=???&height=??? 其中 width 和 height 参数可以缺省
// 获得读者证号 QR 图像
// getphoto.aspx?action=pqri&barcode=????????&width=???&height=??? 其中 barcode 参数是读者证条码号。要求当前账户具有 getpatrontempid 的权限，而且读者身份只能获取自己的 tempid
if (strAction == "qri" ||
strAction == "pqri")
{
string strCharset = Request.QueryString["charset"];
string strWidth = Request.QueryString["width"];
string strHeight = Request.QueryString["height"];
string strDisableECI = Request.QueryString["disableECI"];
bool bDisableECI = false;
if (string.IsNullOrEmpty(strDisableECI) == false &&
(strDisableECI.ToLower() == "true" ||
strDisableECI.ToLower() == "yes" ||
strDisableECI.ToLower() == "on"))
{
bDisableECI = true;
}
int nWidth = 0;
if (string.IsNullOrEmpty(strWidth) == false)
{
if (Int32.TryParse(strWidth, out nWidth) == false)
{
strError = "width 参数 '" + strWidth + "' 格式不合法";
goto ERROR1;
}
}
int nHeight = 0;
if (string.IsNullOrEmpty(strHeight) == false)
{
if (Int32.TryParse(strHeight, out nHeight) == false)
{
strError = "height 参数 '" + strHeight + "' 格式不合法";
goto ERROR1;
}
}
if (strAction == "qri")
{
nRet = app.OutputQrImage(
this.Page,
strBarcode,
strCharset,
nWidth,
nHeight,
bDisableECI,
false,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
}
else if (strAction == "pqri")
{
// 读者证号二维码
string strCode = "";
// 获得读者证号二维码字符串
nRet = app.GetPatronTempId(
// sessioninfo,
strBarcode,
out strCode,
out strError);
if (nRet == -1)
{
goto ERROR1; // 把出错信息作为图像返回
}
nRet = app.OutputQrImage(
this.Page,
strCode,
strCharset,
nWidth,
nHeight,
bDisableECI,
false,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
}
this.Response.End();
return;
}
string strDisplayName = Request.QueryString["displayName"];
string strEncyptBarcode = Request.QueryString["encrypt_barcode"];
// 2012/5/22
// 较新的用法 userid=xxxx 或者 userid=encrypt:xxxx
string strUserID = Request.QueryString["userid"];
if (string.IsNullOrEmpty(strUserID) == false)
{
if (StringUtil.HasHead(strUserID, "encrypt:") == true)
{
strEncyptBarcode = strUserID.Substring("encrypt:".Length);
}
else
{
strBarcode = strUserID;
}
}
string strPhotoPath = "";
// 根据读者证条码号找到头像资源路径
// return:
// -1 出错
// 0 没有找到。包括读者记录不存在，或者读者记录里面没有头像对象
// 1 找到
nRet = app.GetReaderPhotoPath(
// sessioninfo,
strBarcode,
strEncyptBarcode,
strDisplayName,
out strPhotoPath,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
if (nRet == 0)
{
this.Response.Redirect(MyWebPage.GetStylePath(app, "nonephoto.png"), true);
return;
}
// TODO: HEAD / if-modify-since等精细处理
// FlushOutput flushdelegate = new FlushOutput(MyFlushOutput);
nRet = app.DownloadObject(
this,
null,
strPhotoPath,
false,
"",
out strError);
if (nRet == -1)
{
goto ERROR1;
}
Response.End();
return;
#if NO
ERROR1:
Response.Write(strError);
Response.End();
return;
#endif
ERROR1:
{
// 文字图片
using (MemoryStream image = WebUtil.TextImage(
ImageFormat.Gif,
strError,
Color.Black,
Color.Yellow,
10,
300))
{
Page.Response.ContentType = "image/gif";
this.Response.AddHeader("Content-Length", image.Length.ToString());
this.Response.AddHeader("Pragma", "no-cache");
this.Response.AddHeader("Cache-Control", "no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
this.Response.AddHeader("Expires", "0");
FlushOutput flushdelegate = new FlushOutput(MyFlushOutput);
image.Seek(0, SeekOrigin.Begin);
StreamUtil.DumpStream(image, Response.OutputStream, flushdelegate);
}
Response.Flush();
Response.End();
}
}
void CreateRssLink(
string strTitle,
string strRssNavigateUrl)
{
if (string.IsNullOrEmpty(strRssNavigateUrl) == true)
{
return;
}
this.BrowseSearchResultControl1.Title = "<div class='resulttitle'><div class='text'>" + strTitle + "</div>" + "<div class='rss'><a class='rss' href='" + strRssNavigateUrl + "' title='RSS订阅'><img src='" + MyWebPage.GetStylePath(app, "rss.gif") + "'></img></a></div><div class='clear'></div>" + "</div>";
HtmlLink link = new HtmlLink();
link.Href = strRssNavigateUrl;
link.Attributes.Add("rel", "alternate");
link.Attributes.Add("type", "application/rss+xml");
link.Attributes.Add("title", strTitle);
this.Page.Header.Controls.Add(link);
}
