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ASP常用代码段之十
www.jz123.cn 2010-09-29 来源: 中国建站 责任编辑(袁袁) 我要投递新闻
1:长文章自动分页类
'原创的长文章自动分页类 Class AutoPaging '************************************************************* '目 的:自动将长文章分页输出 '属 性:Splitchar:分页搜索标志。以一维数组方式输入,默认array("<br>","<BR>","<Br>","<bR>") ' PagingString:要进行分页的字符串 ' PagingSize:分页长度 ' CurrentPage:当前输出页码 ' DefaultRange:默认搜索分页标志范围 ' StepRange:搜索步长 '方 法:getTotalPageCount():返回总分页数 ' OutputString:输出当前分页内容 '************************************************************* public Splitchar '分页搜索标志,数组 public PagingString '分页字符串 public PagingSize '页面最大长度 public CurrentPage '当前页码 public DefaultRange '默认起始范围 public StepRange '步长 private Truncate '2维数组m,n。m0=页码、m1=起始字符、m2=结束字符,n=总页数 private intStart '开始位置 private intLen '截取长度 private tmpStr private Range '起始范围 private Sub Class_Initialize() Splitchar=array("<br>","<BR>","<Br>","<bR>") PagingSize = 2000 DefaultRange=1 StepRange = 1 intStart = 0 intEnd = 0 End Sub public Function getTotalPageCount() '返回总页数 if len(PagingString) mod PagingSize > 0 then getTotalPageCount = int(len(PagingString) / PagingSize) + 1 else getTotalPageCount = len(PagingString) / PagingSize end if End Function public Sub OutputString redim Truncate(2,getTotalPageCount()) For tmpI = 0 to getTotalPageCount() Truncate(0,tmpI)=tmpI Next For tmpI = 1 to ubound(Truncate,2) if Truncate(0,tmpI) = 1 then Truncate(1,tmpI) = 1 else Truncate(1,tmpI)=Truncate(1,tmpI - 1) + Truncate(2,tmpI - 1) end if Range = DefaultRange Do while Range < PagingSize tmpStr=right(mid(PagingString,Truncate(1,tmpI),PagingSize),Range) For tmpInt=0 to ubound(Splitchar) if instr(1,tmpStr,Splitchar(tmpInt)) > 0 then Truncate(2,tmpI) = (PagingSize - (len(tmpStr) - instr(1,tmpStr,Splitchar(tmpInt)))) - 1 exit do end if Next Range = Range + StepRange Loop if tmpI = Cint(CurrentPage) then intStart = Truncate(1,tmpI) intLen = Truncate(2,tmpI) end if next if Cint(CurrentPage) = getTotalPageCount() then response.write(mid(PagingString,intStart)) '如果当前分页为最后一页,则取剩下的所有字符 else response.write(mid(PagingString,intStart,intLen)) end if End Sub End Class |
2:asp登陆窗口代码,含数据库的连接
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <% dim conn set conn=Server.createobject("adodb.connection") conn.open "provider=microsoft.jet.oledb.4.0;data source="&server.mappath("jixie.mdb") If err.number<>0 then Response.write("连接数据库时产生错误!") Response.End End if %> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>数控机床结构设计系统</title> <style type="text/css"> <!-- .STYLE1 {font-size: 36px} .STYLE2 {font-size: 36px; color: #FF0000; } .STYLE6 { font-size: 24px; color: #000000; } .STYLE8 {font-size: 14px} .STYLE9 {font-size: 16px; } body { background-image: url(image/001.jpg); } --> </style> </head> <body > <label> <form id="form1" name="form1" method="post" action=""> <div align="center"> <h1 class="STYLE1"><br /> <br /> </h1> <h1 class="STYLE2"><span class="STYLE6">数控机床结构设计系统</span><br /> <br /> <span class="STYLE8">*您没登陆,不具有任何操作权限,请先登陆!</span></h1> </div> </form> <div align="center"><br /> <form id="form3" name="form3" method="post" action=""> <p class="STYLE9">用户名 <input name="user" type="text" id="user" /> </p> <p class="STYLE9">密 码 <input name="pass" type="password" id="pass" /> </p> <p class="STYLE9"> <input type="submit" name="Submit" value="提交" /> <input type="reset" name="reset" value="重置" /> </p> </form> </div> </label> <div align="center"> <% dim user,pass,power user=request("user") pass=request("pass") power=request("power") if user="" or pass="" then response.write "用户名或密码不能为空!" response.end end if if power=0 then set rs=conn.execute("select * from dljm where name='"&user&"' and password='"&pass&"'") else response.write "你的密码或用户名有误,请重新登陆" end if %> <% if not rs.eof then if power=0 then session("name")=user response.redirect"1.asp" end if else response.write "你的用户名或密码有误,请重新登陆" response.end end if %> </div> </body> </html> |
3:对非法图片的删除
lastpath="已经上传的图片路径" sFile=server.mappath(lastpath) set MyFile=server.CreateObject("Scripting.FileSystemObject") set MyText=MyFile.OpenTextFile(sFile, 1) '读取文本文件 sTextAll=lcase(MyText.ReadAll) MyText.close sStr=".getfolder,.createfolder,.deletefolder,.createdirectory,.deletedirectory,.saveas,wscript.shell,script,.encode.,重命名,修改,属性,文件,浏览器,新建,复制,成功,参数错误,服务器,空间,下载,http,create,delete,fso,set,select,execute,response" sNoString=split(sStr,",") for i=0 to ubound(sNoString) if instr(sTextAll,sNoString(i)) then SET fs=server.CreateObject("Scripting.FileSystemObject") if FS.FileExists(sFile) then FS.DeleteFile(sFile) end if set fs=nothing response.Write "<script>alert('上传操作失败,非法图片'),window.history.go(-1);</script>" |
4:使用ASP重启服务器
大家知道直接使用ASP是不能够重启服务器的,这时我们需要制作一个组件来实现功能,ASP通过这个组件调用系统API,然后按照不同的重启和关机方式进行操作! 下面先说COM的制作,在VB中新建一工程,当然是AceiveX dll的! 1)先修改工程属性,在工程属性窗口将工程名称改为system,在类模块窗口将模块名称改为contral,保存工程; 2)然后添加一个模块,用来声明需要使用的API和常数!下面是模块中的内容! Declare Function ExitWindowsEx Lib "user32 " (ByVal uFlags As Long, ByVal dwReserved As Long) As Long 3)在类模块中输入下列代码: Public Function reboot(atype As Variant) t& = ExitWindowsEx(1, atype) End Function 该函数需要传入一个参数,用来控制启动方式,这个参数是从ASP程序中传入的,等一下就可以看到具体的使用方法! 编写完上面的代码,保存工程,将工程编译为system.dll。下面就写ASP程序! ASP中的代码非常简单: <% atype=request( "atype ") set sys=server.CreateObject ( "system.contral ") sys.reboot(atype) %> 其中atype可以使用0、1、2、4,0、1和4均为关机,2用来重启。写完后执行ASP就可以了 |
5:asp自动生成html并覆盖原html
<% dim read,Curl,content Function getHTTPPage(url) dim http set http=Server.createobject("Microsoft.XMLHTTP") Http.open "GET",url,false Http.send() if Http.readystate<>4 then exit function end if getHTTPPage=bytesToBSTR(Http.responseBody,"GB2312") set http=nothing if err.number<>0 then err.Clear End function Function BytesToBstr(body,Cset) dim objstream set objstream = Server.CreateObject("adodb.stream") objstream.Type = 1 objstream.Mode =3 objstream.Open objstream.Write body objstream.Position = 0 objstream.Type = 2 objstream.Charset = Cset BytesToBstr = objstream.ReadText objstream.Close set objstream = nothing End Function Curl="http://localhost/index.asp" read=getHTTPPage(Curl) if read<>"" then content=read Set Fso = Server.CreateObject("Scripting.FileSystemObject") Filen=Server.MapPath("index.html") Set Site_Config=FSO.CreateTextFile(Filen,true, False) Site_Config.Write content Site_Config.Close Set Fso = Nothing Response.Write("<script>alert('已经成功生成首页!')</script>") end if %> |
6:asp生成html代码
<% function getHTTPPage(url) dim Http set Http=server.createobject("MSXML2.XMLHTTP") Http.open "GET",url,false Http.send() if Http.readystate<>4 then exit function end if getHTTPPage=bytesToBSTR(Http.responseBody,"GB2312") set http=nothing if err.number<>0 then err.Clear end function Function BytesToBstr(body,Cset) dim objstream set objstream = Server.CreateObject("adodb.stream") objstream.Type = 1 objstream.Mode =3 objstream.Open objstream.Write body objstream.Position = 0 objstream.Type = 2 objstream.Charset = Cset BytesToBstr = objstream.ReadText objstream.Close set objstream = nothing End Function Dim Url,Html Url="http://www.jz123.cn" Html = getHTTPPage(Url) dim filename,MDBpath,fso,fout filename="index.htm" MDBpath="/" Set fso = Server.CreateObject("Scripting.FileSystemObject") Set fout = fso.CreateTextFile(server.mappath(""&filename&"")) fout.Write html fout.close set fout=nothing set fso=nothing if err then response.Write("生成首页失败") else response.Write("生成首页成功") end if %> |
7:asp站内搜索代码
body区: <script language= "JavaScript "> <!-- // 下面是负责搜索的页面的全路径或相对路径 var search_htm_url = "searchsource.htm "; function searchPage() { if ((document.searchpage.keyword.value.length == 0) || (document.searchpage.keyword.value == " ")) { alert( "请填入关键字! "); } else { sel = document.searchpage.and_or.selectedIndex; location.href = search_htm_url + "? " + escape(document.searchpage.keyword.value) + (sel==0? "&and ":(sel==2? "&exact ": "&or ")); } return false; } document.write( ' <form name= "searchpage " onSubmit= "return searchPage() "> ' + '请填入关键字: <input type= "text " size=22 name= "keyword "> ' + ' <input type= "button " value= "Search " onClick= "searchPage() "> <br> ' + ' <select name= "and_or " size=1> <option> 关键字与搜索 <option> 关键字或搜索 ' + ' <option> 关键字异或搜索 </select> </form> '); // --> </script> |
8:判断ASP页装载完毕
<script> window.onload = function() { alert( "Done "); } </script> |
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