javaScript 常用技巧（三）

 

//操作EXECL

<script language="javascript">
function jStartExcel() {
var xls = new ActiveXObject ( "Excel.Application" );
xls.visible = true;
var newBook = xls.Workbooks.Add;
newBook.Worksheets.Add;
newBook.Worksheets(1).Activate;
xls.ActiveWorkBook.ActiveSheet.PageSetup.Orientation = 2;
xls.ActiveWorkBook.ActiveSheet.PageSetup.PaperSize = 5;
newBook.Worksheets(1).Columns("A").columnwidth=50;
newBook.Worksheets(1).Columns("A").WrapText = true;
newBook.Worksheets(1).Columns("B").columnwidth=50;
newBook.Worksheets(1).Columns("B").WrapText = true;
newBook.Worksheets(1).Range("A1:B1000").NumberFormat = "0";
newBook.Worksheets(1).Range("A1:B1000").HorizontalAlignment = -4131;
newBook.Worksheets(1).Cells(1,1).Interior.ColorIndex="15";
newBook.Worksheets(1).Cells(1,1).value="First Column, First Cell";
newBook.Worksheets(1).Cells(2,1).value="First Column, Second Cell";
newBook.Worksheets(1).Cells(1,2).value="Second Column, First Cell";
newBook.Worksheets(1).Cells(2,2).value="Second Column, Second Cell";
newBook.Worksheets(1).Name="My First WorkSheet";
}
</script>

//自定義提示條

<a href="#" title="這是提示">tip</a>
<script Language="JavaScript">
//***********默認設置定義.*********************
tPopWait=50;//停留tWait豪秒後顯示提示。
tPopShow=5000;//顯示tShow豪秒後關閉提示
showPopStep=20;
popOpacity=99;
//***************內部變量定義*****************
sPop=null;
curShow=null;
tFadeOut=null;
tFadeIn=null;
tFadeWaiting=null;
document.write("<style type='text/css'id='defaultPopStyle'>");
document.write(".cPopText {   background-color: #F8F8F5;color:#000000; border: 1px #000000 solid;font-color: font-size: 12px; padding-right: 4px; padding-left: 4px; height: 20px; padding-top: 2px; padding-bottom: 2px; filter: Alpha(Opacity=0)}");
document.write("</style>");
document.write("<div id='dypopLayer' style='position:absolute;z-index:1000;' class='cPopText'></div>");

function showPopupText(){
var o=event.srcElement;
MouseX=event.x;
MouseY=event.y;
if(o.alt!=null && o.alt!=""){o.dypop=o.alt;o.alt=""};
        if(o.title!=null && o.title!=""){o.dypop=o.title;o.title=""};
if(o.dypop!=sPop) {
sPop=o.dypop;
clearTimeout(curShow);
clearTimeout(tFadeOut);
clearTimeout(tFadeIn);
clearTimeout(tFadeWaiting);
if(sPop==null || sPop=="") {
dypopLayer.innerHTML="";
dypopLayer.style.filter="Alpha()";
dypopLayer.filters.Alpha.opacity=0;
}
else {
if(o.dyclass!=null) popStyle=o.dyclass  
else popStyle="cPopText";
curShow=setTimeout("showIt()",tPopWait);
}
}
}
function showIt(){
dypopLayer.className=popStyle;
dypopLayer.innerHTML=sPop;
popWidth=dypopLayer.clientWidth;
popHeight=dypopLayer.clientHeight;
if(MouseX+12+popWidth>document.body.clientWidth) popLeftAdjust=-popWidth-24
else popLeftAdjust=0;
if(MouseY+12+popHeight>document.body.clientHeight) popTopAdjust=-popHeight-24
else popTopAdjust=0;
dypopLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;
dypopLayer.style.top=MouseY+12+document.body.scrollTop+popTopAdjust;
dypopLayer.style.filter="Alpha(Opacity=0)";
fadeOut();
}
function fadeOut(){
if(dypopLayer.filters.Alpha.opacity<popOpacity) {
dypopLayer.filters.Alpha.opacity+=showPopStep;
tFadeOut=setTimeout("fadeOut()",1);
}
else {
dypopLayer.filters.Alpha.opacity=popOpacity;
tFadeWaiting=setTimeout("fadeIn()",tPopShow);
}
}
function fadeIn(){
if(dypopLayer.filters.Alpha.opacity>0) {
dypopLayer.filters.Alpha.opacity-=1;
tFadeIn=setTimeout("fadeIn()",1);
}
}
document.οnmοuseοver=showPopupText;
</script>

//插入文字

document.onclick =function(){  
var oSource = window.event.srcElement;  
if(oSource.tagName!="DIV")  
return false;  
var sel = document.selection;  
if (sel!=null) {  
var rng = sel.createRange();  
if (rng!=null)  
rng.pasteHTML("<font color=red>插入文字</font>");  
}  
}  

 

//禁止FSO

1.註銷組件
regsvr32 /u scrrun.dll
2.修改PROGID
HKEY_CLASSES_ROOT/Scripting.FileSystemObject
Scripting.FileSystemObject
3.對於使用object的用戶，修改HKEY_CLASSES_ROOT/Scripting.

//細線SELECT

function getComputerName()
{
var objWMIService = GetObject("Winmgmts:root/cimv2");
for(e = new Enumerator(objWMIService) ; !e.atEnd() ; e.moveNext())
{
    var getComputer = e.item();
    return getComputer.Name;
}
}

//條件編譯

<script language=javascript>
/*@cc_on @*/
/*@if (@_win32 && @_jscript_version>5)
function window.confirm(str)
{
     execScript("n = msgbox('"+ str +"', 257)", "vbscript");
     return(n == 1);
}
@end @*/
</script>

//取得innerText

<SCRIPT LANGUAGE="JavaScript">
<!--
var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.4.0");
var currNode;
xmlDoc.async = false;
xmlDoc.async = false;
xmlDoc.loadXML("<TABLENAME>       你好你阿三     大法      司法等四               </TABLENAME>");
currNode = xmlDoc.documentElement;
   
  var s = currNode.xml;
  var r = //<([^/>/s]*?)[^/>]*?/>([^/<]*?)/<///1/>/
  var b = s.replace(r,"$2");
   alert(b);
//-->
</SCRIPT>

//mergeAttributes 複製所有讀/寫標籤屬性到指定元素。

<SCRIPT>
function fnMerge(){
oSource.children[1].mergeAttributes(oSource.children[0]);
}
</SCRIPT>
<SPAN ID=oSource>
<DIV
ID="oDiv"
ATTRIBUTE1="true"
ATTRIBUTE2="true"
οnclick="alert('click');"
οnmοuseοver="this.style.color='#0000FF';"
οnmοuseοut="this.style.color='#000000';"
>
This is a sample <B>DIV</B> element.
</DIV>
<DIV ID="oDiv2">
This is another sample <B>DIV</B> element.
</DIV>
</SPAN>
<INPUT
TYPE="button"
VALUE="Merge Attributes"
οnclick="fnMerge()"
>

<span style="border:1px solid #000000; position:absolute; overflow:hidden;" >
<select style="margin:-2px;">
<option>1111</option>
<option>11111111111111</option>
<option>111111111</option>
</select></span>

//Import

function Import() {
for( var i=0; i<arguments.length; i++ ) {
  var file = arguments[i];
  if ( file.match(//.js$/i))
    document.write('<script type=/"text/javascript/" src=/"' + file + '/"></sc' + 'ript>');
   else
    document.write('<style type=/"text/css/">@import /"' + file + '/" ;</style>');
}
};

//js枚舉

<script language="JavaScript">
<!--
//圖片按比例縮放
var flag=false;
function DrawImage(ImgD){
var image=new Image();
var iwidth = 80;  //定義允許圖片寬度
var iheight = 80;  //定義允許圖片高度
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= iwidth/iheight){
  if(image.width>iwidth){  
   ImgD.width=iwidth;
   ImgD.height=(image.height*iwidth)/image.width;
   }else{
   ImgD.width=image.width;  
   ImgD.height=image.height;
   }
   ImgD.alt=image.width+"×"+image.height;
   }
else{
  if(image.height>iheight){  
   ImgD.height=iheight;
   ImgD.width=(image.width*iheight)/image.height;  
   }else{
   ImgD.width=image.width;  
   ImgD.height=image.height;
   }
   ImgD.alt=image.width+"×"+image.height;
   }
}
}
//-->
</script>
<img src=".." onload = "DrawImage(this)">

<IE:clientCaps ID="oClientCaps" style="{behavior:url(#default#clientcaps)}" />
<SCRIPT>
var flash="";
     WMPVersion= oClientCaps.getComponentVersion("{22D6F312-B0F6-11D0-94AB-0080C74C7E95}","ComponentID");
    if (WMPVersion != "") {
     flash = "";
    var version = WMPVersion.split(",");
    var i;
     for (i = 0; i < version.length; i++) {
      if (i != 0)
     flash += ".";
       flash += version[i];
     }
      document.write("您的Windows Media Player 版本是:"+flash+"<p>");
   }
</SCRIPT>

<DIV STYLE="width: 120px; height: 50px; border: 1px solid blue;
             overflow: hidden; text-overflow:ellipsis">
<NOBR>就是比如有一行文字，很長，表格內一行顯示不下.</NOBR>
</DIV>

<html>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<head>
<script language="javascript">
var ie   =navigator.appName=="Microsoft Internet Explorer"?true:false;
  
function keyDown(e)
{
if(!ie)
{
  var nkey=e.which;
  var iekey='現在是ns瀏覽器';
  var realkey=String.fromCharCode(e.which);
}
if(ie)
{
  var iekey=event.keyCode;
  var nkey='現在是ie瀏覽器';
  var realkey=String.fromCharCode(event.keyCode);
  if(event.keyCode==32){realkey='/' 空格/''}
  if(event.keyCode==13){realkey='/' 回車/''}
  if(event.keyCode==27){realkey='/' Esc/''}
  if(event.keyCode==16){realkey='/' Shift/''}
  if(event.keyCode==17){realkey='/' Ctrl/''}
  if(event.keyCode==18){realkey='/' Alt/''}
}
alert('ns瀏覽器中鍵值:'+nkey+'/n'+'ie瀏覽器中鍵值:'+iekey+'/n'+'實際鍵爲'+realkey);
}
document.onkeydown = keyDown;
</script>
</head>
<body>
//Javascript Document.
<hr>
<center>
<h3>請按任意一個鍵。。。。</h3>
</center>
</body>
</html>

doc = new ActiveXObject("Msxml2.DOMDocument");
doc = new ActiveXObject("Microsoft.XMLDOM")
->>
doc = (new DOMParser()).parseFromString(sXML,'text/xml')

function getXML(URL)
{
var xmlhttp = new ActiveXObject("microsoft.xmlhttp");
xmlhttp.Open("GET",URL, false);
try
{
   xmlhttp.Send();
}
catch(e){}
finally
{
  var result = xmlhttp.responseText;
  if(result)
   {
   if(xmlhttp.Status==200)
    {
    return(true);
    }
   else
    {
    return(false);
    }
   }
  else
   {
   return(false);
   }
}
}

//POST代替FORM

<SCRIPT language="VBScript">
Function URLEncoding(vstrIn)
     strReturn = ""
     For i = 1 To Len(vstrIn)
         ThisChr = Mid(vStrIn,i,1)
         If Abs(Asc(ThisChr)) < &HFF Then
             strReturn = strReturn & ThisChr
         Else
             innerCode = Asc(ThisChr)
             If innerCode < 0 Then
                 innerCode = innerCode + &H10000
             End If
             Hight8 = (innerCode   And &HFF00)/ &HFF
             Low8 = innerCode And &HFF
             strReturn = strReturn & "%" & Hex(Hight8) &  "%" & Hex(Low8)
         End If
     Next
     URLEncoding = strReturn
End Function
Function bytes2BSTR(vIn)
     strReturn = ""
     For i = 1 To LenB(vIn)
         ThisCharCode = AscB(MidB(vIn,i,1))
         If ThisCharCode < &H80 Then
             strReturn = strReturn & Chr(ThisCharCode)
         Else
             NextCharCode = AscB(MidB(vIn,i+1,1))
             strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode))
             i = i + 1
         End If
     Next
     bytes2BSTR = strReturn
End Function
dim strA,oReq
strA = URLEncoding("submit1=Submit&text1=中文")
set oReq = CreateObject("MSXML2.XMLHTTP")
oReq.open "POST","http://ServerName/VDir/TstResult.asp",false
oReq.setRequestHeader "Content-Length",Len(strA)
oReq.setRequestHeader "CONTENT-TYPE","application/x-www-form-urlencoded"
oReq.send strA
msgbox bytes2BSTR(oReq.responseBody)
</SCRIPT>

//readyState是xmlhttp返回數據的進度，0=載入中,1=未初始化,2=已載入,3=運行中,4=完成

(1)拖拽訪問
event.dataTransfer.setData("URL", oImage.src);
sImageURL = event.dataTransfer.getData("URL")
(2)普通訪問
window.clipboardData.setData("Text",oSource.innerText);
window.clipboardData.getData("Text");

<HTML>
<HEAD>
<META NAME="save" CONTENT="history">
<STYLE>
    .sHistory {behavior:url(#default#savehistory);}
</STYLE>
</HEAD>
<BODY>
<INPUT class=sHistory type=text id=oPersistInput>
</BODY>
</HTML>

<p   style="page-break-after:always">page1</p>  
<p   style="page-break-after:always">page2</p>  

<meta name="ROBOTS" content="屬性值">
其中屬性值有以下一些:
屬性值爲"all": 文件將被檢索，且頁上鍊接可被查詢；
屬性值爲"none": 文件不被檢索，而且不查詢頁上的鏈接；
屬性值爲"index": 文件將被檢索；
屬性值爲"follow": 查詢頁上的鏈接；
屬性值爲"noindex": 文件不檢索，但可被查詢鏈接；
屬性值爲"nofollow":

<object id=min classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
<param name="Command" value="Minimize"></object>
<object id=max classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
<param name="Command" value="Maximize"></object>
<OBJECT id=close classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<PARAM NAME="Command" value="Close"></OBJECT>
<input type=button value=最小化 οnclick=min.Click()>
<input type=button value=最大化 οnclick=max.Click()>
<input type=button value=關閉 οnclick=close.Click()>

<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="0">

<input type=button value=導入收藏夾 οnclick="window.external.ImportExportFavorites(true,'http://localhost');">
<input type=button value=導出收藏夾 οnclick="window.external.ImportExportFavorites(false,'http://localhost');">
<input type=button value=整理收藏夾 οnclick="window.external.ShowBrowserUI('OrganizeFavorites', null)">
<input type=button value=語言設置    οnclick="window.external.ShowBrowserUI('LanguageDialog', null)">
<input type=button value=加入收藏夾 οnclick="window.external.AddFavorite('http://www.google.com/', 'google')">
<input type=button value=加入到頻道 οnclick="window.external.addChannel('http://www.google.com/')">
<input type=button value=加入到頻道 οnclick="window.external.showBrowserUI('PrivacySettings',null)">

<input type=text οnkeypress="return event.keyCode>=48&&event.keyCode<=57||(this.value.indexOf('.')<0?event.keyCode==46:false)" οnpaste="return !clipboardData.getData('text').match(//D/)" οndragenter="return false">