[查看演示] 源码如下
----------------------------------------------------------
<html>
<head>
<SCRIPT language=JavaScript>
/*--------------------------------------------
本程式为鼠标框选 多选框 辅助 帮手,其中还有不足.
1. 不能将多选框单独放到body标签中.
2. 多选框使用名子为ck+自然数, 如ck1.
3. 就先这么多吧,可能还有...........
制作者:八神奄 QQ:13730452
--------------------------------------------*/
var x0;
var y0;
var selectenable=0;
function initChkBox(obj){
var coll=document.forms["form1"].tags("input");
for (i=0;i<coll.length;i++){
if (coll.item(i).name.substr(0,2)=="ck") {
var offsetTop = 0;
var offsetLeft = 0;
var objP = coll.item(i);
while (objP.tagName!="BODY"&&objP){
offsetTop += objP.offsetTop;
offsetLeft += objP.offsetLeft;
objP = objP.offsetParent;
}
coll.item(i).X=offsetLeft+10;
coll.item(i).Y=offsetTop+10;
//alert(coll.item(i).X+","+coll.item(i).Y+","+coll.item(i).offsetHeight);
}
}
}
function initselect() {
if (window.event.srcElement.tagName=="BODY") {
window.event.returnValue = true;
return;
}
x0=document.body.scrollLeft+event.clientX;
y0=document.body.scrollTop+event.clientY;
selectarea.setCapture();
selectenable=1;
}
function startselect() {
if (selectenable==1) {
selectarea.style.visibility='visible';
if(document.body.scrollLeft+event.clientX-x0>0) {
selectarea.style.left=x0;
selectarea.style.width=document.body.scrollLeft+event.clientX-x0;
}
else{
selectarea.style.left=document.body.scrollLeft+event.clientX;
selectarea.style.width=x0-(document.body.scrollLeft+event.clientX);
}
if (document.body.scrollTop+event.clientY-y0>0) {
selectarea.style.top=y0;
selectarea.style.height=document.body.scrollTop+event.clientY-y0;
}
else{
selectarea.style.top=document.body.scrollTop+event.clientY;
selectarea.style.height=y0-(document.body.scrollTop+event.clientY);
}
}
window.event.returnValue = true;
}
function endselect() {
if (selectenable==0) return false;
selectenable=0;
selectarea.style.visibility='hidden';
selectarea.releaseCapture();
document.onmousemove=null;
var coll=document.forms["form1"].tags("input");
for (i=0;i<coll.length;i++){
if (coll.item(i).name.substr(0,2)=="ck") {
/* if (((coll.item(i).X>selectarea.offsetLeft)&&(coll.item(i).X<selectarea.offsetLeft+selectarea.offsetWidth))&&((coll.item(i).Y>selectarea.offsetTop)&&(coll.item(i).Y<selectarea.offsetTop+selectarea.offsetHeight))){
coll.item(i).checked=!coll.item(i).checked;}
*/
if (coll.item(i).X>selectarea.offsetLeft)
if (coll.item(i).X<selectarea.offsetLeft+selectarea.offsetWidth)
if (coll.item(i).Y>selectarea.offsetTop)
if (coll.item(i).Y<selectarea.offsetTop+selectarea.offsetHeight)
coll.item(i).checked=!coll.item(i).checked
}
}
selectarea.style.pixelHeight=0;
selectarea.style.pixelWidth=0;
}
/*function hideselect() {
//if (document.body.scrollLeft+event.clientX==x0 && document.body.scrollTop+event.clientY==y0 && event.srcElement!=selectarea)
selectarea.style.visibility='hidden';
}*/
function checkAll(){
document.form1.allsel.checked=false;
var coll=document.forms["form1"].tags("input");
for (i=0;i<coll.length;i++){
if (coll.item(i).name.substr(0,2)=="ck") {
coll.item(i).checked=false;
}
}
}
function change(v){
var f = document.forms["form1"];
for (i=0;i<f.elements.length;i++)
if (f.elements[i].name.substr(0,2)=="ck") f.elements[i].checked = v;
}
</SCRIPT>
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
</script>
<title>您想要的－www.51windows.Net</title>
</head>
<body onmousedown="initselect()" onmousemove=startselect() onmouseup=endselect() onselectstart="return false;" onLoad=initChkBox()>
<table width="100%" height="100%" cellpadding="0" cellspacing="0" bgcolor="efefef">
<tr><td>
<DIV id=selectarea style="border:1px dashed black;HEIGHT: 42px; LEFT: 0px; POSITION: absolute; TOP: 0px; VISIBILITY: hidden; WIDTH: 67px; Z-INDEX: 10">
<img src="null" height="1" width="1"> </DIV>
<div id="Layer1" style="position:absolute; left:256px; top:39px; width:203px; height:401px; z-index:1">
<form name="form1" action="">
<table width="100%" border="0" cellpadding="0" cellspacing="1" bgcolor="#339999">
<tr bgcolor="#FFFFFF">
<td width="13%"><input type="checkbox" name="ck1" value="checkbox"></td>
<td width="87%"> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck2" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck3" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck4" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck5" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck6" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck7" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck8" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck9" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck10" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck11" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck12" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck13" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck14" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck15" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck16" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck17" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck18" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck19" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck20" value="checkbox"></td>
<td> </td>
</tr>
<tr bgcolor="#FFFFFF">
<td><input type="checkbox" name="ck21" value="checkbox"></td>
<td> </td>
</tr>
</table>
<input type="checkbox" name="allsel" value="checkbox" onclick="change(this.checked)">
<button onClick="checkAll()">清空</button>
</form>
</div>
</td></tr>
</table>
</body>
</html>
<div style="position: absolute; top: 10; right: 10; width: 148; height: 18;cursor:hand">
<input type="button" name="Button" value="查看源代码" onClick= 'window.location = "view-source:" + window.location.href'></div> |
