写了几个类，希望对大家有用。- Javascript

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Javascript: javascript 面向对象的经典实例代码; javascript prototype原型操作笔记; JavaScript 常见对象类创建代码与优缺点分析; javascript 混合的构造函数和原型方式，动态原型方式; 测试JavaScript字符串处理性能的代码; JQuery 表单中textarea字数限制实现代码; jQuery Selectors(选择器)的使用(六、属性篇); IE浏览器打印的页眉页脚设置解决方法; javascript检测(控制 )上传文件大小; jquery 双色表格实现代码; JavaScript Cookie的读取和写入函数; JavaScript 利用Cookie记录用户登录信息; JavaScript Cookie显示用户上次访问的时间和次数; JavaScript Cookie 直接浏览网站分网址; javascript OFFICE控件测试代码; javascript setTimeout和setInterval 的区别; javascript弹出窗口 window.open使用方法以及参数说明分析篇; 可以用来搜索当前页面内容的js代码; 动态调整textarea中字体的大小代码; 为指定元素增加样式的js代码

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Javascript 中的写了几个类，希望对大家有用。

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-12 浏览: 213 ::

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取得一定长度的内容，处理中文 Javascript MD4

1.日历

点击运行可以看到效果:

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

2.简单的下拉菜单

点击运行可以看到效果:

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3. QQ菜单效果

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4.对联效果

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5.图片轮换

点击运行可以看到效果:

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6.listView类

点击运行可以看到效果:

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7.表单多文件上传类 [ASP]

点击运行可以看到效果:

<% Class Upload Public Form, Finished Private bVBCrlf, bSeparate, formData, cFields, folderPath, itemCount, sErrors, sAuthor, sVersion Private itemStart(), itemLength(), dataStart(), dataLength(), itemName(), itemData(), extenArr() Private Sub Class_Initialize formData = Request.BinaryRead(Request.TotalBytes) Set Form = Server.CreateObject("Scripting.Dictionary") sAuthor = "51JS.COM-ZMM" sVersion = "Upload Class 1.0" End Sub Public Property Get ErrMessage ErrMessage = sErrors End Property Public Property Get Author Author = sAuthor End Property Public Property Get Version Version = sVersion End Property Public Property Let CheckFields(byVal sCheck) cFields = sCheck End Property Public Property Let Folder(byVal sFolder) folderPath = sFolder End Property Public Function Start Finished = False bVBCrlf = StrToByte(vbCrlf & vbCrlf) bSeparate = StrToByte("-----------------------------") itemCount = 0 sErrors = "" Call ItemPosition End Function Private Function ItemPosition Dim iStart, iLength : iStart = 1 Do Until InStrB(iStart, formData, bSeparate) = 0 iStart = InStrB(iStart, formData, bSeparate) + LenB(bSeparate) + 14 iLength = InStrB(iStart, formData, bSeparate) - iStart - 2 If Abs(iStart + 2 - LenB(formData)) > 2 Then ReDim Preserve itemStart(itemCount) ReDim Preserve itemLength(itemCount) itemStart(itemCount) = iStart itemLength(itemCount) = iLength itemCount = itemCount + 1 End If Loop Call FillItemValue End Function Private Function FillItemValue Dim dataPart, bInfor Dim iStart : iStart = 1 Dim iCount : iCount = 0 Dim iCheck : iCheck = StrToByte("filename") For i = 0 To itemCount - 1 ReDim Preserve itemName(iCount) ReDim Preserve itemData(iCount) ReDim Preserve extenArr(iCount) ReDim Preserve dataStart(iCount) ReDim Preserve dataLength(iCount) dataPart = MidB(formData, itemStart(i), itemLength(i)) iStart = InStrB(1, dataPart, ChrB(34)) + 1 iLength = InStrB(iStart, dataPart, ChrB(34)) - iStart itemName(iCount) = FormItemName(MidB(dataPart, iStart, iLength)) iStart = InStrB(1, dataPart, bVBCrlf) + 4 iLength = LenB(dataPart) - iStart + 1 If InStrB(1, dataPart, iCheck) > 0 Then bInfor = MidB(dataPart, 1, iStart - 5) extenArr(iCount) = FileExtenName(bInfor) If Mid(folderPath, Len(folderPath) - 1) = "/" Then itemData(iCount) = folderPath & GetRndName(6) & extenArr(iCount) Else itemData(iCount) = folderPath & "/" & GetRndName(6) & extenArr(iCount) End If dataStart(iCount) = itemStart(i) + iStart - 2 dataLength(iCount) = iLength Else extenArr(iCount) = "" itemData(iCount) = ByteToStr(MidB(dataPart, iStart, iLength)) dataStart(iCount) = "" dataLength(iCount) = "" End If iCount = iCount + 1 Next Call SaveUpload End Function Private Function FormItemName(byVal bName) FormItemName = ByteToStr(bName) End Function Private Function FileExtenName(byVal bInfor) Dim pStart, pLength, pContent, regEx pStart = InStr(1, ByteToStr(bInfor), "filename=" & Chr(34)) + 10 pLength = InStr(pStart, ByteToStr(bInfor), Chr(34)) - pStart pContent = Mid(ByteToStr(bInfor), pStart, pLength) If pContent = "" Then FileExtenName = "" Else Set regEx = New RegExp regEx.Pattern = "^.*(\.[^\.]*)$" regEx.Global = False regEx.IgnoreCase = True FileExtenName = regEx.Replace(pContent, "$1") Set regEx = Nothing End If End Function Private Function GetRndName(byVal sLen) Dim regEx, sTemp, arrFields, n : n = 0 Set regEx = New RegExp regEx.Pattern = "[^\d]*" regEx.Global = True regEx.IgnoreCase = True sTemp = regEx.Replace(Now, "") & "-" Set regEx = Nothing arrFields = Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", _ "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", _ "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", _ "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", _ "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", _ "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", _ "Y", "Z") Randomize Do While n < sLen sTemp = sTemp & CStr(arrFields(61 * Rnd)) n = n + 1 Loop GetRndName = sTemp End Function Private Function SaveUpload Dim isValidate Dim filePath, oStreamGet, oStreamPut isValidate = CheckFile If isValidate Then For i = 0 To itemCount - 1 If (dataStart(i) <> "") And (dataLength(i) <> "") Then If dataLength(i) = 0 Then itemData(i) = "" Else filePath = Server.MapPath(itemData(i)) If CreateFolder("|", ParentFolder(filePath)) Then Set oStreamGet = Server.CreateObject("ADODB.Stream") oStreamGet.Type = 1 oStreamGet.Mode = 3 oStreamGet.Open oStreamGet.Write formData oStreamGet.Position = dataStart(i) Set oStreamPut = Server.CreateObject("ADODB.Stream") oStreamPut.Type = 1 oStreamPut.Mode = 3 oStreamPut.Open oStreamPut.Write oStreamGet.Read(dataLength(i)) oStreamPut.SaveToFile(filePath) oStreamGet.Close Set oStreamGet = Nothing oStreamPut.Close Set oStreamPut = Nothing End If End If End If Next Finished = True Call ItemToColl Else Finished = False End If End Function Private Function CheckFile Dim oBoolean : oBoolean = True If cFields = "" Then oBoolean = oBoolean And True Else For i = 0 To itemCount - 1 If extenArr(i) <> "" Then If InStr(1, Ucase(cFields), "|" & Ucase(Mid(extenArr(i), 2)) & "|") > 0 Then oBoolean = oBoolean And True Else sErrors = sErrors & "表单[ " & itemName(i) & " ]的文件格式错误！\n" & _ "支持的格式为：" & Replace(Mid(cFields, 2, Len(cFields) - 1), "|", " ") & "\n\n" oBoolean = oBoolean And False End If End If Next End If CheckFile = oBoolean End Function Private Function CreateFolder(byVal sLine, byVal sPath) Dim oFso Set oFso = Server.CreateObject("Scripting.FileSystemObject") If Not oFso.FolderExists(sPath) Then Dim regEx Set regEx = New RegExp regEx.Pattern = "^(.*)\\([^\\]*)$" regEx.Global = False regEx.IgnoreCase = True sLine = sLine & regEx.Replace(sPath, "$2") & "|" sPath = regEx.Replace(sPath, "$1") If CreateFolder(sLine, sPath) Then CreateFolder = True Set regEx = Nothing Else If sLine = "|" Then CreateFolder = True Else Dim sTemp : sTemp = Mid(sLine, 2, Len(sLine) - 2) If InStrRev(sTemp, "|") = 0 Then sLine = "|" sPath = sPath & "\" & sTemp Else Dim Folder : Folder = Mid(sTemp, InStrRev(sTemp, "|") + 1) sLine = "|" & Mid(sTemp, 1, InStrRev(sTemp, "|") - 1) & "|" sPath = sPath & "\" & Folder End If oFso.CreateFolder sPath If CreateFolder(sLine, sPath) Then CreateFolder = True End if End If Set oFso = Nothing End Function Function ParentFolder(byVal sPath) Dim regEx Set regEx = New RegExp regEx.Pattern = "^(.*)\\[^\\]*$" regEx.Global = True regEx.IgnoreCase = True ParentFolder = regEx.Replace(sPath, "$1") Set regEx = Nothing End Function Private Function StrToByte(byVal sText) For i = 1 To Len(sText) StrToByte = StrToByte & ChrB(Asc(Mid(sText, i, 1))) Next End Function Private Function ByteToStr(byVal sByte) Dim oStream Set oStream = Server.CreateObject("ADODB.Stream") oStream.Type = 2 oStream.Mode = 3 oStream.Open oStream.WriteText sByte oStream.Position = 0 oStream.CharSet = "gb2312" oStream.Position = 2 ByteToStr = oStream.ReadText oStream.Close Set oStream = Nothing End Function Private Function ItemToColl For i = 0 To itemCount - 1 If Not Form.Exists(itemName(i)) Then Form.Add itemName(i), itemData(i) End If Next End Function Private Sub Class_Terminate Form.RemoveAll Set Form = Nothing End Sub End Class If Request.ServerVariables("REQUEST_METHOD") = "POST" Then Rem 建立上传类实例 Set oUpload = New Upload Rem 指定允许上传文件的类型 oUpload.CheckFields = "|GIF|BMP|JPG|" Rem 指定上传文件所存储的相对路径 oUpload.Folder = "51JS.COM-ZMM/UploadFile" Rem 开始上传处理 oUpload.Start If oUpload.Finished Then Rem 上传成功，显示上传信息 Dim sHtml : sHtml = "" sHtml = sHtml & "<center>" sHtml = sHtml & "<div style=""width: 600px;height: 500px;font-size: 10pt;border: 1px solid highlight;overflow: auto;"" align=""left"">" sHtml = sHtml & "<center style=""font-size: 15pt;color: red;"">上传表单数据</center>
" sHtml = sHtml & "标题：
" & oUpload.Form("P_title") & "
" sHtml = sHtml & "类型：
" & oUpload.Form("P_assort") & "
" sHtml = sHtml & "小图：
服务器端路径：<a href=""" & oUpload.Form("P_image_s") & """ target=""_blank"">" & oUpload.Form("P_image_s") & "</a>
<img src=""" & oUpload.Form("P_image_s") & """>
" sHtml = sHtml & "中图：
服务器端路径：<a href=""" & oUpload.Form("P_image_m") & """ target=""_blank"">" & oUpload.Form("P_image_m") & "</a>
<img src=""" & oUpload.Form("P_image_m") & """>
" sHtml = sHtml & "大图：
服务器端路径：<a href=""" & oUpload.Form("P_image_b") & """ target=""_blank"">" & oUpload.Form("P_image_b") & "</a>
<img src=""" & oUpload.Form("P_image_b") & """>
" sHtml = sHtml & "介绍：
" & oUpload.Form("P_content") & "
" sHtml = sHtml & "</div>" sHtml = sHtml & "</center>" Response.Write sHtml Response.End Else Rem 上传失败，显示错误信息 Call ShowMsg(oUpload.ErrMessage, Request.ServerVariables("SCRIPT_NAME")) End If Rem 对话框提示函数 Function ShowMsg(byVal sText, byVal sTarget) Dim sScript : sScript = "" sScript = sScript & "<script language=""javascript"">" & vbCrlf & _ "window.alert('" & sText & "');" & vbCrlf & _ "window.location.replace('" & sTarget & "');" & vbCrlf & _ "</script>" Response.Write sScript Response.End End Function End If
%>
<html>
<head>
<title>多文件、表单混合上传类</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css"> body { margin: 0px; border: 0px; font-size: 10pt; } table { border-collapse: collapse; font-size: 10pt; } td { font-size: 10pt; }
</style>
<script language="javascript"> function formCheck(_form) { for (var i = 0; i < _form.elements.length; i ++) { if (_form.elements[i].value == '') { window.alert('请将表单填写完整，提交失败！'); return false; } } return true; }
</script>
</head>
<body> <form action="<%=Request.ServerVariables("SCRIPT_NAME")%>" method="post" enctype="multipart/form-data" onsubmit="return formCheck(this);"> <table width="400" align="center" cellpadding="2" cellspacing="0" border="1" rules="box"> <tr height="26"> <td colspan="2" align="center" style="font: 12pt;color: red;">上传功能测试
</td> </tr> <tr valign="top"> <td height="30" style="padding-top:3px;">标题：</td> <td><input type="text" name="P_title" size="20" autocomplete="off"></td> </tr> <tr valign="top"> <td height="30" style="padding-top:3px;">类型：</td> <td> <select name="P_assort"> <option value="电子">电子</option> <option value="医疗">医疗</option> </select> </td> </tr> <tr valign="top"> <td height="30" style="padding-top:3px;">小图：</td> <td><input type="file" name="P_image_s" onkeydown="return false;" oncontextmenu="return false;" onpaste="return false;" ondragenter="return false;"></td> </tr> <tr valign="top"> <td height="30" style="padding-top:3px;">中图：</td> <td><input type="file" name="P_image_m" onkeydown="return false;" oncontextmenu="return false;" onpaste="return false;" ondragenter="return false;"></td> </tr> <tr valign="top"> <td height="30" style="padding-top:3px;">大图：</td> <td><input type="file" name="P_image_b" onkeydown="return false;" oncontextmenu="return false;" onpaste="return false;" ondragenter="return false;"></td> </tr> <tr> <td height="30" colspan="2" style="padding-top:3px;">介绍：</td> </tr> <tr> <td height="30" colspan="2" valign="top"> <textarea name="P_content" cols="50" rows="5"></textarea> </td> </tr> <tr> <td colspan="2" valign="top" align="center">
<input type="submit" value="提交"> <input type="reset" value="重置"> </td> </tr> </table> </form>
</body>
</html>

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8.TabPage类

点击运行可以看到效果:

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取得一定长度的内容，处理中文 Javascript MD4

Javascript 中的 写了几个类，希望对大家有用。

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Javascript 中的写了几个类，希望对大家有用。