//計算內容寬和高
<SCRIPT language="javascript">
function test(obj)
{
var range = obj.createTextRange();
alert("內容區寬度: " + range.boundingWidth
+ "px/r/n內容區高度: " + range.boundingHeight + "px");
}
</SCRIPT>
<BODY>
<Textarea id="txt" height="150">sdf</textarea><INPUT type="button" value="計算內容寬度" onClick="test(txt)">
</BODY>
function test(obj)
{
var range = obj.createTextRange();
alert("內容區寬度: " + range.boundingWidth
+ "px/r/n內容區高度: " + range.boundingHeight + "px");
}
</SCRIPT>
<BODY>
<Textarea id="txt" height="150">sdf</textarea><INPUT type="button" value="計算內容寬度" onClick="test(txt)">
</BODY>
//無模式的提示框
function modelessAlert(Msg)
{
window.showModelessDialog("javascript:alert(/""+escape(Msg)+"/");window.close();","","status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;");
}
{
window.showModelessDialog("javascript:alert(/""+escape(Msg)+"/");window.close();","","status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;");
}
//屏蔽按鍵
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<noscript><meta http-equiv="refresh" content="0;url=about:noscript"></noscript>
<title>屏蔽鼠標右鍵、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格鍵</title>
</head>
<body>
<script language="Javascript"><!--
//屏蔽鼠標右鍵、Ctrl+N、Shift+F10、F11、F5刷新、退格鍵
//Author: meizz(梅花雨) 2002-6-18
function document.oncontextmenu(){event.returnValue=false;}//屏蔽鼠標右鍵
function window.onhelp(){return false} //屏蔽F1幫助
function document.onkeydown()
{
if ((window.event.altKey)&&
((window.event.keyCode==37)|| //屏蔽 Alt+ 方向鍵 ←
(window.event.keyCode==39))) //屏蔽 Alt+ 方向鍵 →
{
alert("不准你使用ALT+方向鍵前進或後退網頁！");
event.returnValue=false;
}
/* 注：這還不是真正地屏蔽 Alt+ 方向鍵，
因爲 Alt+ 方向鍵彈出警告框時，按住 Alt 鍵不放，
用鼠標點掉警告框，這種屏蔽方法就失效了。以後若
有哪位高手有真正屏蔽 Alt 鍵的方法，請告知。*/
if ((event.keyCode==8) || //屏蔽退格刪除鍵
(event.keyCode==116)|| //屏蔽 F5 刷新鍵
(event.ctrlKey && event.keyCode==82)){ //Ctrl + R
event.keyCode=0;
event.returnValue=false;
}
if (event.keyCode==122){event.keyCode=0;event.returnValue=false;} //屏蔽F11
if (event.ctrlKey && event.keyCode==78) event.returnValue=false; //屏蔽 Ctrl+n
if (event.shiftKey && event.keyCode==121)event.returnValue=false; //屏蔽 shift+F10
if (window.event.srcElement.tagName == "A" && window.event.shiftKey)
window.event.returnValue = false; //屏蔽 shift 加鼠標左鍵新開一網頁
if ((window.event.altKey)&&(window.event.keyCode==115)) //屏蔽Alt+F4
{
window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
return false;
}
}
</script>
屏蔽鼠標右鍵、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格鍵
</body>
</html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<noscript><meta http-equiv="refresh" content="0;url=about:noscript"></noscript>
<title>屏蔽鼠標右鍵、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格鍵</title>
</head>
<body>
<script language="Javascript"><!--
//屏蔽鼠標右鍵、Ctrl+N、Shift+F10、F11、F5刷新、退格鍵
//Author: meizz(梅花雨) 2002-6-18
function document.oncontextmenu(){event.returnValue=false;}//屏蔽鼠標右鍵
function window.onhelp(){return false} //屏蔽F1幫助
function document.onkeydown()
{
if ((window.event.altKey)&&
((window.event.keyCode==37)|| //屏蔽 Alt+ 方向鍵 ←
(window.event.keyCode==39))) //屏蔽 Alt+ 方向鍵 →
{
alert("不准你使用ALT+方向鍵前進或後退網頁！");
event.returnValue=false;
}
/* 注：這還不是真正地屏蔽 Alt+ 方向鍵，
因爲 Alt+ 方向鍵彈出警告框時，按住 Alt 鍵不放，
用鼠標點掉警告框，這種屏蔽方法就失效了。以後若
有哪位高手有真正屏蔽 Alt 鍵的方法，請告知。*/
if ((event.keyCode==8) || //屏蔽退格刪除鍵
(event.keyCode==116)|| //屏蔽 F5 刷新鍵
(event.ctrlKey && event.keyCode==82)){ //Ctrl + R
event.keyCode=0;
event.returnValue=false;
}
if (event.keyCode==122){event.keyCode=0;event.returnValue=false;} //屏蔽F11
if (event.ctrlKey && event.keyCode==78) event.returnValue=false; //屏蔽 Ctrl+n
if (event.shiftKey && event.keyCode==121)event.returnValue=false; //屏蔽 shift+F10
if (window.event.srcElement.tagName == "A" && window.event.shiftKey)
window.event.returnValue = false; //屏蔽 shift 加鼠標左鍵新開一網頁
if ((window.event.altKey)&&(window.event.keyCode==115)) //屏蔽Alt+F4
{
window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
return false;
}
}
</script>
屏蔽鼠標右鍵、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格鍵
</body>
</html>
//屏蔽打印
<style>
@media print{
* {display:none}
}
</style>
//移動的圖層，拖動
1.<span style='position:absolute;width:200;height:200;background:red' οnmοusedοwn=MouseDown(this) οnmοusemοve=MouseMove() οnmοuseup=MouseUp()>meizz</span>
<script language=javascript>
var Obj;
function MouseDown(obj)
{
Obj=obj;
Obj.setCapture();
Obj.l=event.x-Obj.style.pixelLeft;
Obj.t=event.y-Obj.style.pixelTop;
}
function MouseMove()
{
if(Obj!=null)
{
Obj.style.left = event.x-Obj.l;
Obj.style.top = event.y-Obj.t;
}
}
function MouseUp()
{
if(Obj!=null)
{
Obj.releaseCapture();
Obj=null;
}
}
</script>
2.
<div id="myDiv" src="logo.gif" οndrag="doDrag();" οnmοuseοver="this.style.cursor='hand'" style="position:absolute;left=100;top=100;" οnmοusedοwn="doMouseDown();">
<a href="#" οnclick="return false"><h1>wlecome</h1></a>
</div>
<script language="JavaScript" type="text/javascript">
var orgMouseX;
var orgMouseY;
var orgObjX;
var orgObjY;
function doDrag()
{
var myObject=document.all.myDiv;
var x=event.clientX;
var y=event.clientY;
myObject.style.left=x-(orgMouseX-orgObjX);
myObject.style.top=y-(orgMouseY-orgObjY);
}
function doMouseDown()
{
orgMouseX=event.clientX;
orgMouseY=event.clientY;
orgObjX=parseInt(document.all.myDiv.style.left);
orgObjY=parseInt(document.all.myDiv.style.top);
}
</script>
<script language=javascript>
var Obj;
function MouseDown(obj)
{
Obj=obj;
Obj.setCapture();
Obj.l=event.x-Obj.style.pixelLeft;
Obj.t=event.y-Obj.style.pixelTop;
}
function MouseMove()
{
if(Obj!=null)
{
Obj.style.left = event.x-Obj.l;
Obj.style.top = event.y-Obj.t;
}
}
function MouseUp()
{
if(Obj!=null)
{
Obj.releaseCapture();
Obj=null;
}
}
</script>
2.
<div id="myDiv" src="logo.gif" οndrag="doDrag();" οnmοuseοver="this.style.cursor='hand'" style="position:absolute;left=100;top=100;" οnmοusedοwn="doMouseDown();">
<a href="#" οnclick="return false"><h1>wlecome</h1></a>
</div>
<script language="JavaScript" type="text/javascript">
var orgMouseX;
var orgMouseY;
var orgObjX;
var orgObjY;
function doDrag()
{
var myObject=document.all.myDiv;
var x=event.clientX;
var y=event.clientY;
myObject.style.left=x-(orgMouseX-orgObjX);
myObject.style.top=y-(orgMouseY-orgObjY);
}
function doMouseDown()
{
orgMouseX=event.clientX;
orgMouseY=event.clientY;
orgObjX=parseInt(document.all.myDiv.style.left);
orgObjY=parseInt(document.all.myDiv.style.top);
}
</script>
//文檔狀態改變
<iframe src="a.html" id="f" name="f" scrolling="no" frameborder=0 marginwidth=0 marginheight=0></iframe>
<script>
var doc=window.frames["f"].document;
function s(){
if (doc.readyState=="complete"){
document.all.f.style.height=doc.body.scrollHeight
document.all.f.style.width=doc.body.scrollWidth
}
}
doc.onreadystatechange=s
</script>
<script>
var doc=window.frames["f"].document;
function s(){
if (doc.readyState=="complete"){
document.all.f.style.height=doc.body.scrollHeight
document.all.f.style.width=doc.body.scrollWidth
}
}
doc.onreadystatechange=s
</script>
//刷新後不變的文本框
//訪問剪貼板
//操作COOKIE
function SetCookie(sName, sValue)
{
document.cookie = sName + "=" + escape(sValue) + "; ";
}
function GetCookie(sName)
{
var aCookie = document.cookie.split("; ");
for (var i=0; i < aCookie.length; i++)
{
var aCrumb = aCookie[i].split("=");
if (sName == aCrumb[0])
return unescape(aCrumb[1]);
}
}
function DelCookie(sName)
{
document.cookie = sName + "=" + escape(sValue) + "; expires=Fri, 31 Dec 1999 23:59:59 GMT;";
}
{
document.cookie = sName + "=" + escape(sValue) + "; ";
}
function GetCookie(sName)
{
var aCookie = document.cookie.split("; ");
for (var i=0; i < aCookie.length; i++)
{
var aCrumb = aCookie[i].split("=");
if (sName == aCrumb[0])
return unescape(aCrumb[1]);
}
}
function DelCookie(sName)
{
document.cookie = sName + "=" + escape(sValue) + "; expires=Fri, 31 Dec 1999 23:59:59 GMT;";
}
//setTimeout增加參數
<script>
var _st = window.setTimeout;
window.setTimeout = function(fRef, mDelay) {
if(typeof fRef == 'function'){
var argu = Array.prototype.slice.call(arguments,2);
var f = (function(){ fRef.apply(null, argu); });
return _st(f, mDelay);
}
return _st(fRef,mDelay);
}
function test(x){
alert(x);
}
window.setTimeout(test,1000,'fason');
</script>
var _st = window.setTimeout;
window.setTimeout = function(fRef, mDelay) {
if(typeof fRef == 'function'){
var argu = Array.prototype.slice.call(arguments,2);
var f = (function(){ fRef.apply(null, argu); });
return _st(f, mDelay);
}
return _st(fRef,mDelay);
}
function test(x){
alert(x);
}
window.setTimeout(test,1000,'fason');
</script>
//自定義的apply,call
Function.prototype.apply = function (obj, argu) {
if (obj) obj.constructor.prototype._caller = this;
var argus = new Array();
for (var i=0;i<argu.length;i++)
argus[i] = "argu[" + i + "]";
var r;
eval("r = " + (obj ? ("obj._caller(" + argus.join(",") + ");") : ("this(" + argus.join(",") + ");")));
return r;
};
Function.prototype.call = function (obj) {
var argu = new Array();
for (var i=1;i<arguments.length;i++)
argu[i-1] = arguments[i];
return this.apply(obj, argu);
};
if (obj) obj.constructor.prototype._caller = this;
var argus = new Array();
for (var i=0;i<argu.length;i++)
argus[i] = "argu[" + i + "]";
var r;
eval("r = " + (obj ? ("obj._caller(" + argus.join(",") + ");") : ("this(" + argus.join(",") + ");")));
return r;
};
Function.prototype.call = function (obj) {
var argu = new Array();
for (var i=1;i<arguments.length;i++)
argu[i-1] = arguments[i];
return this.apply(obj, argu);
};
//下載文件
function DownURL(strRemoteURL,strLocalURL)
{
try
{
var xmlHTTP=new ActiveXObject("Microsoft.XMLHTTP");
xmlHTTP.open("Get",strRemoteURL,false);
xmlHTTP.send();
var adodbStream=new ActiveXObject("ADODB.Stream");
adodbStream.Type=1;//1=adTypeBinary
adodbStream.Open();
adodbStream.write(xmlHTTP.responseBody);
adodbStream.SaveToFile(strLocalURL,2);
adodbStream.Close();
adodbStream=null;
xmlHTTP=null;
}
catch(e)
{
window.confirm("下載URL出錯!");
}
//window.confirm("下載完成.");
}
{
try
{
var xmlHTTP=new ActiveXObject("Microsoft.XMLHTTP");
xmlHTTP.open("Get",strRemoteURL,false);
xmlHTTP.send();
var adodbStream=new ActiveXObject("ADODB.Stream");
adodbStream.Type=1;//1=adTypeBinary
adodbStream.Open();
adodbStream.write(xmlHTTP.responseBody);
adodbStream.SaveToFile(strLocalURL,2);
adodbStream.Close();
adodbStream=null;
xmlHTTP=null;
}
catch(e)
{
window.confirm("下載URL出錯!");
}
//window.confirm("下載完成.");
}
//檢驗連接是否有效
//組件是否安裝
isComponentInstalled("{6B053A4B-A7EC-4D3D-4567-B8FF8A1A5739}", "componentID"))
//檢查網頁是否存在
function CheckURL(URL)
{
var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
xmlhttp.Open("GET",URL, false);
try
{
xmlhttp.Send();
var result = xmlhttp.status;
}
catch(e) {return(false); }
if(result==200)
{
return true;
}
xmlhttp = null;
return false;
}
{
var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
xmlhttp.Open("GET",URL, false);
try
{
xmlhttp.Send();
var result = xmlhttp.status;
}
catch(e) {return(false); }
if(result==200)
{
return true;
}
xmlhttp = null;
return false;
}
//連接數據庫
<script language="javascript">
//用 JavaScript 寫服務器端連接數據庫的代碼示例
var conn = new ActiveXObject("ADODB.Connection");
conn.Open("Provider=SQLOLEDB.1; Data Source=localhost; User ID=sa; "
+"Password=; Initial Catalog=pubs");
var rs = new ActiveXObject("ADODB.Recordset");
var sql="select * from authors";
rs.open(sql, conn);
shtml = "<table width='100%' border=1>";
shtml +="<tr bgcolor='#f4f4f4'><td>au_id</td><td>au_lname</td><td>au_fname</td><td>phone</td><td>address</td><td> city</td><td>state</td><td>zip</td></tr>";
while(!rs.EOF)
{
shtml += "<tr><td>" + rs("au_id") + "</td><td>" + rs("au_lname") + "</td><td>" + rs("au_fname") + "</td><td>" + rs("phone") + "</td><td>" + rs("address") + "</td><td>" + rs("city") + "</td><td>" + rs("state") + "</td><td>" + rs("zip") + "</td></tr>";
rs.moveNext;
}
shtml += "</table>";
document.write(shtml);
rs.close();
rs = null;
conn.close();
conn = null;
</script>
//用 JavaScript 寫服務器端連接數據庫的代碼示例
var conn = new ActiveXObject("ADODB.Connection");
conn.Open("Provider=SQLOLEDB.1; Data Source=localhost; User ID=sa; "
+"Password=; Initial Catalog=pubs");
var rs = new ActiveXObject("ADODB.Recordset");
var sql="select * from authors";
rs.open(sql, conn);
shtml = "<table width='100%' border=1>";
shtml +="<tr bgcolor='#f4f4f4'><td>au_id</td><td>au_lname</td><td>au_fname</td><td>phone</td><td>address</td><td> city</td><td>state</td><td>zip</td></tr>";
while(!rs.EOF)
{
shtml += "<tr><td>" + rs("au_id") + "</td><td>" + rs("au_lname") + "</td><td>" + rs("au_fname") + "</td><td>" + rs("phone") + "</td><td>" + rs("address") + "</td><td>" + rs("city") + "</td><td>" + rs("state") + "</td><td>" + rs("zip") + "</td></tr>";
rs.moveNext;
}
shtml += "</table>";
document.write(shtml);
rs.close();
rs = null;
conn.close();
conn = null;
</script>
//使用數據島
<html>
<body>
srno：<input type=text datasrc=#xmldate DataFLD=srno size="76"><BR>
times：<input type=text datasrc=#xmldate DataFLD=times size="76"><BR>
<input id="first" TYPE=button value="<< 第一條記錄" οnclick="xmldate.recordset.moveFirst()">
<input id="prev" TYPE=button value="<上一條記錄" οnclick="xmldate.recordset.movePrevious()">
<input id="next" TYPE=button value="下一條記錄>" οnclick="xmldate.recordset.moveNext()">
<input id="last" TYPE=button value="最後一條記錄>>" οnclick="xmldate.recordset.moveLast()">
<input id="Add" TYPE=button value="添加新記錄" οnclick="xmldate.recordset.addNew()">
<XML ID="xmldate">
<infolist>
<info ><srno>20041025-01</srno><times>null</times></info>
<info ><srno>20041101-09</srno><times>2004年10月1日2點22分0秒</times></info>
</infolist>
</XML>
</body>
</html>
<body>
srno：<input type=text datasrc=#xmldate DataFLD=srno size="76"><BR>
times：<input type=text datasrc=#xmldate DataFLD=times size="76"><BR>
<input id="first" TYPE=button value="<< 第一條記錄" οnclick="xmldate.recordset.moveFirst()">
<input id="prev" TYPE=button value="<上一條記錄" οnclick="xmldate.recordset.movePrevious()">
<input id="next" TYPE=button value="下一條記錄>" οnclick="xmldate.recordset.moveNext()">
<input id="last" TYPE=button value="最後一條記錄>>" οnclick="xmldate.recordset.moveLast()">
<input id="Add" TYPE=button value="添加新記錄" οnclick="xmldate.recordset.addNew()">
<XML ID="xmldate">
<infolist>
<info ><srno>20041025-01</srno><times>null</times></info>
<info ><srno>20041101-09</srno><times>2004年10月1日2點22分0秒</times></info>
</infolist>
</XML>
</body>
</html>
//獲得參數
<body>
<a href="javascript:location.href=location.href + '?a=1&b=2'">search</a>
<script language="JavaScript">
<!--
var a = location.search.substr(1);
if(a.length>0)
{
var re = /([^&]*?)/=([^&]*)/g
var s = a.match(re);
for(var i= 0;i<s.length;i++)
{
alert(s[i]);
alert(s[i].split("=")[1]);
}
}
//-->
</script>
</body>
<a href="javascript:location.href=location.href + '?a=1&b=2'">search</a>
<script language="JavaScript">
<!--
var a = location.search.substr(1);
if(a.length>0)
{
var re = /([^&]*?)/=([^&]*)/g
var s = a.match(re);
for(var i= 0;i<s.length;i++)
{
alert(s[i]);
alert(s[i].split("=")[1]);
}
}
//-->
</script>
</body>
//可編輯SELECT
<input type=text name=re_name style="width:100px;height:21px;font-size:10pt;"><span style="width:18px;border:0px solid red;"><select name="r00" style="margin-left:-100px;width:118px; background-color:#FFEEEE;" onChange="document.all.re_name.value=this.value;">
<option value="1">11111111<option>
<option value="2">222222</option>
<option value="3">333333</option>
</select>
</span>
<option value="1">11111111<option>
<option value="2">222222</option>
<option value="3">333333</option>
</select>
</span>
//設置光標位置
function getCaret(textbox)
{
var control = document.activeElement;
textbox.focus();
var rang = document.selection.createRange();
rang.setEndPoint("StartToStart",textbox.createTextRange())
control.focus();
return rang.text.length;
}
function setCaret(textbox,pos)
{
try
{
var r =textbox.createTextRange();
r.moveStart('character',pos);
r.collapse(true);
r.select();
}
catch(e)
{}
}
function selectLength(textbox,start,len)
{
try
{
var r =textbox.createTextRange();
r.moveEnd('character',len-(textbox.value.length-start));
r.moveStart('character',start);
r.select();
}
catch(e)
{//alert(e.description)}
}
function insertAtCaret(textbox,text)
{
textbox.focus();
document.selection.createRange().text = text;
}
{
var control = document.activeElement;
textbox.focus();
var rang = document.selection.createRange();
rang.setEndPoint("StartToStart",textbox.createTextRange())
control.focus();
return rang.text.length;
}
function setCaret(textbox,pos)
{
try
{
var r =textbox.createTextRange();
r.moveStart('character',pos);
r.collapse(true);
r.select();
}
catch(e)
{}
}
function selectLength(textbox,start,len)
{
try
{
var r =textbox.createTextRange();
r.moveEnd('character',len-(textbox.value.length-start));
r.moveStart('character',start);
r.select();
}
catch(e)
{//alert(e.description)}
}
function insertAtCaret(textbox,text)
{
textbox.focus();
document.selection.createRange().text = text;
}
//頁內查找
function findInPage(str)
{
var txt, i, found,n = 0;
if (str == "")
{
return false;
}
txt = document.body.createTextRange();
for (i = 0; i <= n && (found = txt.findText(str)) != false; i++)
{
txt.moveStart("character", 1);
txt.moveEnd("textedit");
}
if (found)
{
txt.moveStart("character", -1);
txt.findText(str);
txt.select();
txt.scrollIntoView();
n++;
}
else
{
if (n > 0)
{
n = 0;
findInPage(str);
}
else
{
alert(str + "... 您要找的文字不存在。/n /n請試着輸入頁面中的關鍵字再次查找！");
}
}
return false;
}
{
var txt, i, found,n = 0;
if (str == "")
{
return false;
}
txt = document.body.createTextRange();
for (i = 0; i <= n && (found = txt.findText(str)) != false; i++)
{
txt.moveStart("character", 1);
txt.moveEnd("textedit");
}
if (found)
{
txt.moveStart("character", -1);
txt.findText(str);
txt.select();
txt.scrollIntoView();
n++;
}
else
{
if (n > 0)
{
n = 0;
findInPage(str);
}
else
{
alert(str + "... 您要找的文字不存在。/n /n請試着輸入頁面中的關鍵字再次查找！");
}
}
return false;
}
