为.Text Blog 添加计数器

2024-07-21 02:15:58

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自己找了个不知道是不是微软的计数器，还得连国外，教育网内好麻烦，就在自己搭的.text blog
上面测试了一个小计数器控件，模仿原作者的很方便，挺好用的calendar控件，

<%@ control language="c#" classname="dottextblogcounter" inherits="dottext.web.ui.controls.basecontrol"%>
<%@import namespace="system.data" %>
<%@import namespace="system.data.sqlclient" %>
<%@import namespace="dottext.framework.data"%>

<script runat="server">
// dottextblogcounter created on 4/25/2005 by:
//*daqingshu http://blog.csdn.net/daqingshu

/// <summary>
/// use session or cookie?
/// </summary>
void page_load(object sender, system.eventargs e)
{
string number = "";
string strsql = "";
string conn = dottext.framework.providers.dbprovider.instance().connectionstring;
httpcookie oldcookie = request.cookies["counter"];
if(oldcookie == null)//if cookie exist,do not count
{
  httpcookie cookie = new httpcookie("counter");
  datetime dtnow = datetime.now;
  timespan tsminute = new timespan(0, 1, 0, 0);//cookie expire time 1 hour
  cookie.expires = dtnow + tsminute;
  response.cookies.add(cookie);

  strsql = "update blog_config set pagevisitcount = pagevisitcount + 1";
  sqlhelper.executenonquery(conn, commandtype.text, strsql, null);

}
strsql = "select pagevisitcount from blog_config where blogid = " + convert.toint32(currentblog.blogid);
sqldatareader rdr = sqlhelper.executereader(conn, commandtype.text, strsql, null);
if(rdr.read()){
  number = rdr[0].tostring();
}
rdr.close();

if(number.length <= 8)
{
  for(int i = 8; i >= number.length; --i)
  {
   number = "0" + number;
  }
}

numbertopicture(number);
}

private void numbertopicture(string number)
{
system.web.ui.webcontrols.literal literal1 = new literal();
system.web.ui.webcontrols.literal literal2 = new literal();
literal1.text = "您是第";
phimage.controls.add(literal1);
if(number.length > 0)
{
  for(int i = 0; i < number.length; ++i)
  {
   stringbuilder strimage = new stringbuilder();//maybe i missing the system.text namespace if it doesn't work
   strimage.append("~/images/counter/eggblue/");
   strimage.append(number[i]);
   strimage.append(".gif");
   system.web.ui.webcontrols.image image = new system.web.ui.webcontrols.image();
   image.id = "image" + i.tostring();
   image.imageurl = strimage.tostring();
   phimage.controls.add(image);
  }

}
literal2.text = "位访客。";
phimage.controls.add(literal2);
}

</script>
<asp:placeholder runat="server" id="phimage"></asp:placeholder>

的确是个很简单很小的功能，还修改了数据库结构，在表blog_config里面
添加pagevisitcount字段，使用的时候，需要修改pagetemplate.ascx文件，在里面添加

<%@ register tagprefix="overflow" tagname="dottextblogcounter" src="~/skins/dottextblogcounter.ascx" %>
合适的位置添加
<overflow:dottextblogcounter id="dottextblogcounter" runat="server"></overflow:dottextblogcounter>

另外得自己找好看的图片

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