asp教程 - 整理了一些asp初学者常用的代码 -

1.获得系统时间:
<%=now()%>
2.取得来访用的ip:
<%=request.servervariables("remote_host")%>
3.获得系统,浏览器版本:
<script>
window.document.write("版本："+navigator.appname+navigator.appversion+" browser.")
</script>
4.去除ie混动条:
<body scroll="no">
<body style="overflow-y:hidden">
5.进入网站,跳出广告:
<script language="javascript">

window.open(''http://www.xxxxxx.com'','''',''height=200,width=300,top=0,left=30'');
// -->
</script>
6.随机数:
<%randomize%>
<%=(int(rnd()*n)+1)%>
n为可改变数
7.向上混动代码:
<marquee direction="up" scrolldelay="200" style="font-size: 9pt; color: #ff0000; line-height: 150%; font-style:italic; font-weight:bold" scrollamount="2" width="206" height="207" bgcolor="#ffff00">hhhhhhhhhhhhhhhhhhh</marquee>
8.自动关闭网页:
<script language="javascript">

</script>
<p align="center">本页10秒后自动关闭,请注意刷新页面</p>
9.随机背景音乐:
<%randomize%>
<bgsound src="mids/<%=(int(rnd()*60)+1)%>.mid" loop="-1">　

可以修改数字，限制调用个数，我这里是６０个．
10.自动刷新本页面:
<script>

</script>
11.access 数据库连接:
<%
option explicit
dim startime,endtime,conn,connstr,db
startime=timer()
'更改数据库名字
db="data/dvbbs5.mdb"
set conn = server.createobject("adodb.connection")
connstr="provider=microsoft.jet.oledb.4.0;data source=" & server.mappath(db)
'如果你的服务器采用较老版本access驱动，请用下面连接方法
'connstr="driver={microsoft access driver (*.mdb)};dbq=" & server.mappath(db)
conn.open connstr
function closedatabase
conn.close
set conn = nothing
end function
%>
12.sql数据库连接:
<%
option explicit
dim startime,endtime,conn,connstr,db
startime=timer()
connstr="driver={sql server};server=hudenq-n11t33nb;uid=sa;pwd=xsfeihu;database=dvbbs"
set conn = server.createobject("adodb.connection")
conn.open connstr
function closedatabase
conn.close
set conn = nothing
end function
%>
13.用键盘打开网页代码:
<script language="javascript">
function ctlent(eventobject)
{
if((event.ctrlkey && window.event.keycode==13)(event.altkey && window.event.keycode==83))
{
window.open('网址','','')
}
}
</script>　

这里是ctrl+enter和alt+s的代码自己查下键盘的ascii码再换就行
14.让层不被控件复盖代码:
<div z-index:2><object ***></object></div> ＃前面
<div z-index:1><object ***></object></div> ＃后面
<div id="layer2" style="position:absolute; top:40;width:400px; height:95px;z-index:2"><table height=100% width=100% bgcolor="#ff0000"><tr><td height=100% width=100%></td></tr></table><iframe width=0 height=0></iframe></div>
<div id="layer1" style="position:absolute; top:50;width:200px; height:115px;z-index:1"><iframe height=100% width=100%></iframe></div>
15.动网flash广告代码:
<object classid="clsid27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="468" height="60"><param name=movie value="images/yj16d.swf"><param name=quality value=high><embed src="images/dvbanner.swf" quality=high pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?p1_prod_version=shockwaveflash";;; type="application/x-shockwave-flash" width="468" height="60"></embed></object>
16.vbs弹出窗口小代码:
<script language=vbscript>
msgbox"你还没有注册或登陆论坛","0","精品论坛"
location.href = "login.asp"
</script>
16.使用fso修改文件特定内容的函数
function fsochange(filename,target,string)
dim objfso,objcountfile,filetempdata
set objfso = server.createobject("scripting.filesystemobject")
set objcountfile = objfso.opentextfile(server.mappath(filename),1,true)
filetempdata = objcountfile.readall
objcountfile.close
filetempdata=replace(filetempdata,target,string)
set objcountfile=objfso.createtextfile(server.mappath(filename),true)
objcountfile.write filetempdata
objcountfile.close
set objcountfile=nothing
set objfso = nothing
end function
17.使用fso读取文件内容的函数
function fsofileread(filename)
dim objfso,objcountfile,filetempdata
set objfso = server.createobject("scripting.filesystemobject")
set objcountfile = objfso.opentextfile(server.mappath(filename),1,true)
fsofileread = objcountfile.readall
objcountfile.close
set objcountfile=nothing
set objfso = nothing
end function
18.使用fso读取文件某一行的函数
function fsolinedit(filename,linenum)
if linenum < 1 then exit function
dim fso,f,temparray,tempcnt
set fso = server.createobject("scripting.filesystemobject")
if not fso.fileexists(server.mappath(filename)) then exit function
set f = fso.opentextfile(server.mappath(filename),1)
if not f.atendofstream then
tempcnt = f.readall
f.close
set f = nothing
temparray = split(tempcnt,chr(13)&chr(10))
if linenum>ubound(temparray)+1 then
exit function
else
fsolinedit = temparray(linenum-1)
end if
end if
end function
19.使用fso写文件某一行的函数
function fsolinewrite(filename,linenum,linecontent)
if linenum < 1 then exit function
dim fso,f,temparray,tempcnt
set fso = server.createobject("scripting.filesystemobject")
if not fso.fileexists(server.mappath(filename)) then exit function
set f = fso.opentextfile(server.mappath(filename),1)
if not f.atendofstream then
tempcnt = f.readall
f.close
temparray = split(tempcnt,chr(13)&chr(10))
if linenum>ubound(temparray)+1 then
exit function
else
temparray(linenum-1) = linecontent
end if
tempcnt = join(temparray,chr(13)&chr(10))
set f = fso.createtextfile(server.mappath(filename),true)
f.write tempcnt
end if
f.close
set f = nothing
end function
20.使用fso添加文件新行的函数
function fsoappline(filename,linecontent)
dim fso,f
set fso = server.createobject("scripting.filesystemobject")
if not fso.fileexists(server.mappath(filename)) then exit function
set f = fso.opentextfile(server.mappath(filename),8,1)
f.write chr(13)&chr(10)&linecontent
f.close
set f = nothing
end function
21.读文件最后一行的函数
function fsolastline(filename)
dim fso,f,temparray,tempcnt
set fso = server.createobject("scripting.filesystemobject")
if not fso.fileexists(server.mappath(filename)) then exit function
set f = fso.opentextfile(server.mappath(filename),1)
if not f.atendofstream then
tempcnt = f.readall
f.close
set f = nothing
temparray = split(tempcnt,chr(13)&chr(10))
fsolastline = temparray(ubound(temparray))
end if
end function
利用fso取得bmp，jpg，png，gif文件信息(大小，宽、高等)
<%
'::: bmp, gif, jpg and png :::　

'::: this function gets a specified number of bytes from any :::
'::: file, starting at the offset (base 1) :::
'::: :::
'::: passed: :::
'::: flnm => filespec of file to read :::
'::: offset => offset at which to start reading :::
'::: bytes => how many bytes to read :::
'::: :::
':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
function getbytes(flnm, offset, bytes)
dim objfso
dim objftemp
dim objtextstream
dim lngsize
on error resume next
set objfso = createobject("scripting.filesystemobject")　

' first, we get the filesize
set objftemp = objfso.getfile(flnm)
lngsize = objftemp.size
set objftemp = nothing
fsoforreading = 1
set objtextstream = objfso.opentextfile(flnm, fsoforreading)
if offset > 0 then
strbuff = objtextstream.read(offset - 1)
end if
if bytes = -1 then ' get all!
getbytes = objtextstream.read(lngsize) 'readall
else
getbytes = objtextstream.read(bytes)
end if
objtextstream.close
set objtextstream = nothing
set objfso = nothing
end function　

':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
'::: :::
'::: functions to convert two bytes to a numeric value (long) :::
'::: (both little-endian and big-endian) :::
'::: :::
':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
function lngconvert(strtemp)
lngconvert = clng(asc(left(strtemp, 1)) + ((asc(right(strtemp, 1)) * 256)))
end function
function lngconvert2(strtemp)
lngconvert2 = clng(asc(right(strtemp, 1)) + ((asc(left(strtemp, 1)) * 256)))
end function　

':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
'::: :::
'::: this function does most of the real work. it will attempt :::
'::: to read any file, regardless of the extension, and will :::
'::: identify if it is a graphical image. :::
'::: :::
'::: passed: :::
'::: flnm => filespec of file to read :::
'::: width => width of image :::
'::: height => height of image :::
'::: depth => color depth (in number of colors) :::
'::: strimagetype=> type of image (e.g. gif, bmp, etc.) :::
'::: :::
':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
function gfxspex(flnm, width, height, depth, strimagetype)
dim strpng
dim strgif
dim strbmp
dim strtype
strtype = ""
strimagetype = "(unknown)"
gfxspex = false
strpng = chr(137) & chr(80) & chr(78)
strgif = "gif"
strbmp = chr(66) & chr(77)
strtype = getbytes(flnm, 0, 3)
if strtype = strgif then ' is gif
strimagetype = "gif"
width = lngconvert(getbytes(flnm, 7, 2))
height = lngconvert(getbytes(flnm, 9, 2))
depth = 2 ^ ((asc(getbytes(flnm, 11, 1)) and 7) + 1)
gfxspex = true
elseif left(strtype, 2) = strbmp then ' is bmp
strimagetype = "bmp"
width = lngconvert(getbytes(flnm, 19, 2))
height = lngconvert(getbytes(flnm, 23, 2))
depth = 2 ^ (asc(getbytes(flnm, 29, 1)))
gfxspex = true
elseif strtype = strpng then ' is png
strimagetype = "png"
width = lngconvert2(getbytes(flnm, 19, 2))
height = lngconvert2(getbytes(flnm, 23, 2))
depth = getbytes(flnm, 25, 2)
select case asc(right(depth,1))
case 0
depth = 2 ^ (asc(left(depth, 1)))
gfxspex = true
case 2
depth = 2 ^ (asc(left(depth, 1)) * 3)
gfxspex = true
case 3
depth = 2 ^ (asc(left(depth, 1))) '8
gfxspex = true
case 4
depth = 2 ^ (asc(left(depth, 1)) * 2)
gfxspex = true
case 6
depth = 2 ^ (asc(left(depth, 1)) * 4)
gfxspex = true
case else
depth = -1
end select　

else
strbuff = getbytes(flnm, 0, -1) ' get all bytes from file
lngsize = len(strbuff)
flgfound = 0
strtarget = chr(255) & chr(216) & chr(255)
flgfound = instr(strbuff, strtarget)
if flgfound = 0 then
exit function
end if
strimagetype = "jpg"
lngpos = flgfound + 2
exitloop = false
do while exitloop = false and lngpos < lngsize　

do while asc(mid(strbuff, lngpos, 1)) = 255 and lngpos < lngsize
lngpos = lngpos + 1
loop
if asc(mid(strbuff, lngpos, 1)) < 192 or asc(mid(strbuff, lngpos, 1)) > 195 then
lngmarkersize = lngconvert2(mid(strbuff, lngpos + 1, 2))
lngpos = lngpos + lngmarkersize + 1
else
exitloop = true
end if
loop
'
if exitloop = false then
width = -1
height = -1
depth = -1
else
height = lngconvert2(mid(strbuff, lngpos + 4, 2))
width = lngconvert2(mid(strbuff, lngpos + 6, 2))
depth = 2 ^ (asc(mid(strbuff, lngpos + 8, 1)) * 8)
gfxspex = true
end if　

end if
end function　

':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
'::: test harness :::
':::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::　

' to test, we'll just try to show all files with a .gif extension in the root of c:
set objfso = createobject("scripting.filesystemobject")
set objf = objfso.getfolder("c:\")
set objfc = objf.files
response.write "<table border=""0"" cellpadding=""5"">"
for each f1 in objfc
if instr(ucase(f1.name), ".gif") then
response.write "<tr><td>" & f1.name & "</td><td>" & f1.datecreated & "</td><td>" & f1.size & "</td><td>"
if gfxspex(f1.path, w, h, c, strtype) = true then
response.write w & " x " & h & " " & c & " colors"
else
response.write " "
end if
response.write "</td></tr>"
end if
next
response.write "</table>"
set objfc = nothing
set objf = nothing
set objfso = nothing　

%>
24.点击返回上页代码:
<form>
<p><input type="button" value="返回上一步" onclick="history.back(-1)"></p>
</form>
24.点击刷新代码:
<form>
<p><input type="button" value="刷新按钮一" onclick="reloadbutton()"></p>
</form>
<script language="javascript"></script>　

24.点击刷新代码2:
<form>
<p><input type="button" value="刷新按钮二" onclick="history.go(0)"> </p>
</form>　

<form>
<p><input type="button" value="打开一个网站" onclick="homebutton()"></p>
</form>
<script language="javascript"></script>　

25.弹出警告框代码:
<form>
<p><input type="button" value="弹出警告框" onclick="alertbutton()"></p>
</form>
<script language="javascript"></script>　

26.状态栏信息
<form>
<p><input type="button" value="状态栏信息" onclick="statusbutton()"></p>
</form>
<script language="javascript"></script>　

27.背景色变换
<form>
<p><input type="button" value="背景色变换" onclick="bgbutton()"></p>
</form>
<script>function bgbutton(){
if (document.bgcolor=='#00ffff')
{document.bgcolor='#ffffff';}
else{document.bgcolor='#00ffff';}
}
</script>　

28.点击打开新窗口
<form>
<p><input type="button" value="打开新窗口" onclick="newwindow()"></p>
</form>
<script language="javascript"></script></body>
29.分页代码:
<%''本程序文件名为：pages.asp%>
<%''包含ado常量表文件adovbs.inc，可从"\program files\common files\system\ado"目录下拷贝%>

<%''＊建立数据库连接，这里是oracle8.05数据库
set conn=server.createobject("adodb.connection")
conn.open "provider=msdaora.1;data source=yoursrcname;user id=youruserid;password=yourpassword;" 　

set rs=server.createobject("adodb.recordset") ''创建recordset对象
rs.cursorlocation=aduseclient ''设定记录集指针属性
''＊设定一页内的记录总数，可根据需要进行调整
rs.pagesize=10 　

''＊设置查询语句
strsql="select id,姓名,住址,电话 from 通讯录 order by id"
rs.open strsql,conn,adopenstatic,adlockreadonly,adcmdtext
%>
<html>
<head>
<title>分页示例</title>
<script language=javascript>
//点击"[第一页]"时响应：
function pagefirst()
{
document.myform.currentpage.selectedindex=0;
document.myform.currentpage.onchange();
}
//点击"[上一页]"时响应：
function pageprior()
{
document.myform.currentpage.selectedindex--;
document.myform.currentpage.onchange();
}
//点击"[下一页]"时响应：
function pagenext()
{
document.myform.currentpage.selectedindex++;
document.myform.currentpage.onchange();
}
//点击"[最后一页]"时响应：
function pagelast()
{
document.myform.currentpage.selectedindex=document.myform.currentpage.length-1;
document.myform.currentpage.onchange();
}
//选择"第？页"时响应：
function pagecurrent()
{ //pages.asp是本程序的文件名
document.myform.action='pages.asp?page='+(document.myform.currentpage.selectedindex+1)
document.myform.submit();
}
</script>
</head>
<body bgcolor="#ffffcc" link="#008000" vlink="#008000" alink="#ff0000"">　

<%if rs.eof then
response.write("<font size=2 color=#000080>[数据库中没有记录！]</font>")
else
''指定当前页码
if request("currentpage")="" then
rs.absolutepage=1
else
rs.absolutepage=clng(request("currentpage"))
end if 　

''创建表单myform,方法为get
response.write("<form method=get name=myform>")
response.write("<p align=center><font size=2 color=#008000>")
''设置翻页超链接
if rs.pagecount=1 then
response.write("[第一页] [上一页] [下一页] [最后一页] ")
else
if rs.absolutepage=1 then
response.write("[第一页] [上一页] ")
response.write("[<a href=java script:pagenext()>下一页</a>] ")
response.write("[<a href=java script:pagelast()>最后一页</a>] ")
else
if rs.absolutepage=rs.pagecount then
response.write("[<a href=java script:pagefirst()>第一页</a>] ")
response.write("[<a href=java script:pageprior()>上一页</a>] ")
response.write("[下一页] [最后一页] ")
else
response.write("[<a href=java script:pagefirst()>第一页</a>] ")
response.write("[<a href=java script:pageprior()>上一页</a>] ")
response.write("[<a href=java script:pagenext()>下一页</a>] ")
response.write("[<a href=java script:pagelast()>最后一页</a>] ")
end if
end if
end if　

''创建下拉列表框，用于选择浏览页码
response.write("第<select size=1 name=currentpage onchange=pagecurrent()>")
for i=1 to rs.pagecount
if rs.absolutepage=i then
response.write("<option selected>"&i&"</option>") ''当前页码
else
response.write("<option>"&i&"</option>")
end if
next
response.write("</select>页/共"&rs.pagecount&"页共"&rs.recordcount&"条记录</font><p>")
response.write("</form>")　

''创建表格，用于显示
response.write("<table align=center cellspacing=1 cellpadding=1 border=1")
response.write(" bordercolor=#99ccff bordercolordark=#b0e0e6 bordercolorlight=#000066>")　

response.write("<tr bgcolor=#ccccff bordercolor=#000066>") 　

set columns=rs.fields 　

''显示表头
for i=0 to columns.count-1
response.write("<td align=center width=200 height=13>")
response.write("<font size=2><b>"&columns(i).name&"</b></font></td>")
next
response.write("</tr>")
''显示内容
for i=1 to rs.pagesize
response.write("<tr bgcolor=#99ccff bordercolor=#000066>")
for j=0 to columns.count-1
response.write("<td><font size=2>"&columns(j)&"</font></td>")
next
response.write("</tr>")　

rs.movenext
if rs.eof then exit for
next　

response.write("</table>") 　

end if
%>
</body>
</html>

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