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Designing and Implementing Online Bookstore system
Abstract
 This paper firstly introduces multi-tier Client/Server Architecture and Web-related technology .Based on them , this paper presents system objection, system demand, main feather and system design solution for Online Bookstore ,particularly describes system design and implement in detail. In system design and implement£¬and key points in other sub-system are also analyzed further .This paper also introduces mostly technology of system . Lastly, this paper makes a summery of the online bookstore, and figures out some problem which need to be improved.

Key words: Multi-tier C/S(B/S) . Network Bookstore . ASP . Shopcart

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 set rs=server.CreateObject("adodb.recordset")
 rs.open "select * from [user]",conn,1,3
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 rs("username")=trim(request("username"))
 rs("userpassword")=md5(trim(request("userpassword1")))
 rs("useremail")=trim(request("useremail"))
 rs("quesion")=trim(request("quesion"))
 rs("answer")=md5(trim(request("answer")))
 rs("userzhenshiname")=trim(request("userzhenshiname"))
 rs("adddate")=now()
 rs("lastlogin")=now()
 rs("logins")=0
 rs("youbian")=0
 rs("zhifufangshi")=0
 rs("songhuofangshi")=0
 rs.update
 rs.close
 set rs=nothing
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  else return true;
 }
 </script>
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 username=replace(trim(request("username")),"'","")
 userpassword=md5(replace(trim(request("userpassword")),"'",""))
 if trim(request("comeurl"))="" then
 comeurl="index.asp"
 else
 comeurl=trim(request("comeurl"))
 end if
 if username="" or userpassword="" then
response.Write "<center><a href=login.asp><font color=red size=2>¶Ô²»Æ𣬵ǽʧ°Ü£¬Çë¼ì²éÄúµÄµÇ½ÃûºÍÃÜÂë</font></a></center>"
 response.end
 end if
 set rs=server.CreateObject("adodb.recordset")
 rs.Open "select * from [user] where username='"&username&"' and userpassword='"&userpassword&"' " ,conn,1,3
 if not(rs.bof and rs.eof) then
 if userpassword=rs("userpassword") then
 response.Cookies("bookshop")("username")=trim(request("username"))
 'response.Cookies("bookshop").expires=date+1
 rs("lastlogin")=now()
 rs("logins")=rs("logins")+1       ¡®µÇ½´ÎÊý¼Ó1
 rs.Update
 rs.Close
 set rs=nothing
 call loginok()
 else
 response.write "<script LANGUAGE='java script'>alert('¶Ô²»Æð£¬ÄúµÄÓû§Ãû»òÃÜÂëÓÐÎó£¡');window.location.reload('java script:history.go(-1)')</script>"
 end if
 else
 response.write "<script LANGUAGE='java script'>alert('¶Ô²»Æð£¬ÄúµÄÓû§Ãû»òÃÜÂëÓÐÎó£¡');window.location.reload('java script:history.go(-1)')</script>"
 end if
 sub loginok()   ¡®¶¨ÒåµÇ½³É¹¦Ö´ÐгÌÐò
 response.Write "<font size=2>»¶Ó­Äú <font color=red size=2>"&request.Cookies("bookshop")("username")&"</font>£¬Á½ÃëÖÖºó½«×Ô¶¯Ìøתµ½ÏàÓ¦Ò³£¡</font>"
 response.Write "<meta http-equiv=refresh content=2;URL="&comeurl&">"
 end sub
 %>
¹ºÎï³µ£¨¶©µ¥£©×Óϵͳ£º
 Êý¾Ý¿â±íµÄÉè¼Æ: ¿Í»§Í¨¹ý¹ºÎï³µ¹ºÂòÉÌƷʱ£¬¹ºÎï³µÒªËæʱ¼ÆËã¿Í»§Ëù¹ºÂòµÄÉÌÆ·¼Û
¸ñ£¬Òò´ËÐèÒªÒ»¸ö¹ºÎï³µÊý¾Ý¿â±í¼Ç¼¿Í»§¹ºÂòÉÌÆ·µÄ»ù±¾ÐÅÏ¢£¬¿Í»§Í¨¹ý¹ºÎï³µÂòÍêÉÌÆ·ºó£¬»¹ÐèÒªÌîдËÍ»õ·½Ê½¡¢¸¶¿î·½Ê½µÈ¿Í»§µÄ»ù±¾ÐÅÏ¢£¬ÌîдÍêËùÓеÄÐÅÏ¢ºó£¬²ÅÄÜ´ÓÍøÉÏÕýʽÌá½»¶©µ¥¡£ÎªÁËÓÐЧµÄ´æ´¢¶©µ¥ÐÅÏ¢£¬ÔÚÊý¾Ý¿âÖÐÉè¼ÆÁ˶©µ¥ÐÅÏ¢±íºÍ¶©µ¥Ï¸½Ú±í¡£¶©µ¥ÐÅÏ¢±íÖ÷Òª´æ·ÅµÄÊǶ©µ¥Ãû³Æ¡¢¶©µ¥±àºÅ¡¢¶©µ¥×ܼۡ¢¿Í»§ÓʼþµÈ¶©µ¥µÄ»ù±¾ÐÅÏ¢£¬¶©µ¥Ï¸½Ú±í(¶©µ¥Í¼Êé¼Ç¼±í)´æ·ÅÿһÕŶ©µ¥Ëù¹ºÍ¼Êé±àºÅ¼´Í¼ÊéÊýÁ¿µÄÐÅÏ¢¡£
 ÔÚÍøÉϹºÎï³µµÄ¹¦ÄÜʵÏÖÖÐÐèҪעÒâµÄÖØÒªÎÊÌâÊǹºÎï³µºÅµÄÉú³ÉºÍ±£´æ¡£µ±¶à¸öÓû§·ÃÎÊÍøÉÏÉ̵êʱ£¬Ã¿¸öÓû§ÐèÒªÓÐ×Ô¼ºµÄ¹ºÎï³µ£¬.¼´¹ºÎï³µÓÐΨһÐÔ£¬Í¨³£ÒÔ¹ºÎï³µºÅ±êÖ¾¹ºÎï³µµÄΨһÐÔ¡£¹ºÎï³µºÅÒª¾­³£ÔÚ²»Í¬ÍøÒ³ÖÐʹÓã¬ÎÒÃDzÉÓÃCookies¼¼ÊõÀ´±£´æ¹ºÎï³µºÅ¡£
 µ±Ã»Óеǽʱ£¬ÒÔÏ´úÂëÏÞÖÆÓû§·ÃÎʸÃÒ³Ãæ
<%if request.cookies("bookshop")("username")="" then
response.write "<script language=java script>alert('¶Ô²»Æð£¬Äú»¹Ã»Óеǽ£¡');window.location.reload('java script:window.close()')</script>"
response.End
end if%>       ¡®ÏÞÖƶÔÒ³ÃæµÄ·ÃÎÊ£¬ÐèÒªÏȵǽ
 ÍøÉϹºÎï³µÖÐÖØмÆËãËùÓÐÎïÆ·µÄ½ð¶îµÄ¹¦ÄÜʵÏÖÍøÉϹºÎï³µÐèҪʵʱµÄÂú×ã¹Ë¿ÍµÄÒªÇ󣬹ºÎï³µÀïÓжàÖÖÉÌÆ·£¬¹Ë¿Íÿ´ÎÐ޸ĸ÷ÖÖÉÌÆ·µÄÊýÁ¿ºó£¬¹ºÎï³µÐèÒªÖØмÆËãËùÓÐÉÌÆ·µÄ½ð¶î¡£ÕâÒ»²¿·ÖµÄ¹¦ÄÜͨ³£ÓÐÁ½ÖÖ·½·¨ÊµÏÖ£¬Ò»ÖÖ²ÉÓÃCookies¼¼Êõ£¬ÁíÒ»ÖÖ²ÉÓÃÊý¾Ý¿â¼¼Êõ¡£²ÉÓÃCookies¼¼Êõ£¬ÊµÏÖÆðÀ´½ÏÀ§ÄÑ£¬¶ø²ÉÓÃÊý¾Ý¿â¼¼Êõ£¬Ö»ÐèҪʵʱ¸üÐÂÊý¾Ý¿â±í¾Í¿ÉÒÔÁË¡£
<%dim bookid,action,i
action=request.QueryString("action")
if request.QueryString("id")="" then
bookid=request("bookid")
else
bookid=request.QueryString("id")
end if
if bookid="" then
response.write "<script language=java script>alert('¶Ô²»Æð£¬ÄúûÓÐÑ¡ÔñÉÌÆ·£¡');window.location.reload('java script:window.close()')</script>"
response.End
end if                           ¡®ÅжÏÊÇ·ñÑ¡ÔñÊé¼®
<%dim iii        '¶¨Òå×ܼÛ
iii=0
dim bookscount,books '¶¨ÒåÅжÏÓм¸¸öbookid
bookscount=request.QueryString("id").count
do while not rs.eof
dim quatity 'ÅжÏinput Ãû
Quatity = CInt( Request( "ckxp"&rs("bookid")) )
Quatity <=0 Then Quatity = 1
%>
<%if Quatity<=1 then
response.write formatnumber(rs("huiyuanjia")*1,2)&"Ôª"
else
response.write formatnumber(rs("huiyuanjia")*Quatity,2)&"Ôª"
end if
iii=formatnumber(rs("huiyuanjia")*Quatity+iii,2 )
%>         ¡®Ð¡¼Æ¹ºÂòÊýÁ¿Êé¼®µÄ×ܼÛ
½çÃæÈçÏ£º
ͼÊéä¯ÀÀ¼ìË÷×ÓϵͳµÄʵÏÖ£º
 Í¼Êéä¯ÀÀ¼ìË÷×ÓϵͳҪÍê³É¶ÔͼÊéµÄ·ÖÀàä¯ÀÀ£¬¹Ø¼ü´Ê²éѯºÍ¸ß¼¶²éѯµÄ¹¦ÄÜ£¬ÆäÖи߼¶²éѯµÄʵÏÖ½ÏΪ¸´ÔÓ£¬¸ß¼¶²éѯÓÐÊéÃû¡¢×÷Õß¡¢³ö°æÉç¡¢ISDN¡¢ÊÛ¼Û·¶Î§(Ö¸¶¨¼Û¸ñÒÔÏÂ)
¶àÖÖ·½Ê½¿ÉÒÔÏ໥×éºÏ£¬ÏÔʾ·½Ê½Óа´ÊéÃû£¬×÷Õߣ¬³ö°æÉ磬¼Û¸ñµÈµÈ¹æÔò¡£¾ßÌåµÄ²éѯ³ÌÐò¿ÉÒÔ·ÖΪºÜ¶àÖÖÇé¿öʵÏÖ£¬ÏÖÒÔÆäÖÐÒ»ÖÖ·½Ê½ÎªÀý¼ÓÒÔ˵Ã÷£º
set rs=server.CreateObject("adodb.recordset")
if jiage="" then                     '//ÆÕͨ²éѯ
select case action
case "1"
rs.open "select bookid,bookname,bookzz,bookchuban,shichangjia,huiyuanjia,dazhe,bookdate from shop_books where bookname like '%"&searchkey&"%' ",conn,1,1
end select                   ¡®Ç°Ãæ´úÂëÒѾ­¶¨ÒåÁ˹ؼü×Ösearchkey
ÐÅÏ¢·´À¡×ÓϵͳµÄʵÏÖ£º
 ¸Ã×ÓϵͳÆäʵ¸úÉÏÃæµÄ×¢²áϵͳÏàÀàËÆ£¬Ö»ÊÇÒ»¸öÏòÊý¾Ý¿âÌí¼ÓÊý¾ÝµÄ¹ý³Ì£¬µ±È»»¹ÐèÒªÓÐFORMCHECK¹¦ÄÜ£¬²¿·Ö´úÂëÈçÏ£º
set rs=server.CreateObject("adodb.recordset")
rs.open "select * from shop_fk",conn,1,3
rs.addnew
rs("fksubject")=trim(request("fksubject"))
rs("fkleixing")=request("fkleixing")
rs("fkcontent")=htmlencode2(trim(request("fkcontent")))
rs("fkusername")=trim(request("fkusername"))
rs("fkemail")=trim(request("fkemail"))
rs("fktel")=trim(request("fktel"))
rs("fklaizi")=trim(request("fklaizi"))
rs("fkdate")=now
rs("fkip")=Request.ServerVariables("remote_addr")
rs.update
rs.close
set rs=nothing
session("fkfk")=minute(now)
response.write "<br><br><center>ÄúµÄÐÅÏ¢·´À¡Òѳɹ¦Ìá½»£¬¸ÐлÄúµÄ²ÎÓ룡<br><br><a href=index.asp>·µ»ØÊ×Ò³</a></center>"
end select%>

3.7.2ºǫ́¹ÜÀíϵͳµÄʵÏÖ
 
 ºǫ́¹ÜÀí×Óϵͳ£¬¿ÉÒÔͨ¹ýµã»÷ϵͳLOGO£¨×óÉϽǣ©½øÈë¡£ ÓÉÓÚÊǺǫ́²Ù×÷£¬±ØÐëÊǹÜÀíÔ±²ÅÄܽøÈëµÄ£¬ËùÒÔ¶ÔËùÓкǫ́ҳÃ涼ҪÌí¼ÓÒ³Ãæ±£»¤£¬¼´±ØÐëÏȵǽ²ÅÄÜÓÐÆäËû²Ù×÷¡£
´úÂëÈçÏ£º
<%if session("admin")="" then
response.Write "<script language='java script'>alert('ÍøÂ糬ʱ»òÄú»¹Ã»Óеǽ£¡');window.location.reload('login.asp')</script>"
response.End
end if
%>

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