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>

//自定义提示条

<a href= "#" title= "这是提示">tip</a>
<script Language= "JavaScript">
//***********默认设置定义.*********************
tPopWait=50; //停留tWait豪秒后显示提示。
tPopShow=5000; //显示tShow豪秒后关闭提示
showPopStep=20;
popOpacity=99;
//***************内部变量定义*****************
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.注销组件
regsvr32 /u scrrun.dll
2.修改PROGID
HKEY_CLASSES_ROOT/Scripting.FileSystemObject
Scripting.FileSystemObject
3.对于使用object的用户，修改HKEY_CLASSES_ROOT/Scripting.

//细线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;
}
}

//条件编译

<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 复制所有读/写标签属性到指定元素。

<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枚举

<script language= "JavaScript">
<!--
//图片按比例缩放
var flag= false;
function DrawImage(ImgD){
var image= new Image();
var iwidth = 80;   //定义允许图片宽度
var iheight = 80;   //定义允许图片高度
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，很长，表格内一行显示不下.</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='现在是ns浏览器';
   var realkey= String.fromCharCode(e.which);
}
if(ie)
{
   var iekey=event.keyCode;
   var nkey='现在是ie浏览器';
   var realkey= String.fromCharCode(event.keyCode);
   if(event.keyCode==32){realkey='/' 空格/''}
   if(event.keyCode==13){realkey='/' 回车/''}
   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浏览器中键值:'+nkey+'/n'+'ie浏览器中键值:'+iekey+'/n'+'实际键为'+realkey);
}
document.onkeydown = keyDown;
</script>
</head>
<body>
//Javascript Document.
<hr>
<center>
<h3>请按任意一个键。。。。</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返回数据的进度，0=载入中,1=未初始化,2=已载入,3=运行中,4=完成

(1)拖拽访问
event.dataTransfer.setData( "URL", oImage.src);
sImageURL = event.dataTransfer.getData( "URL")
(2)普通访问
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= "属性值">
其中属性值有以下一些:
属性值为 "all": 文件将被检索，且页上链接可被查询；
属性值为 "none": 文件不被检索，而且不查询页上的链接；
属性值为 "index": 文件将被检索；
属性值为 "follow": 查询页上的链接；
属性值为 "noindex": 文件不检索，但可被查询链接；
属性值为 "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=关闭 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=导入收藏夹 οnclick= "window.external.ImportExportFavorites(true,'http://localhost');">
<input type=button value=导出收藏夹 οnclick= "window.external.ImportExportFavorites(false,'http://localhost');">
<input type=button value=整理收藏夹 οnclick= "window.external.ShowBrowserUI('OrganizeFavorites', null)">
<input type=button value=语言设置    οnclick= "window.external.ShowBrowserUI('LanguageDialog', null)">
<input type=button value=加入收藏夹 οnclick= "window.external.AddFavorite('http://www.google.com/', 'google')">
<input type=button value=加入到频道 οnclick= "window.external.addChannel('http://www.google.com/')">
<input type=button value=加入到频道 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">