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JS多个矩形块选择效果代码(模拟CS结构)

时间：2021-07-01 10:21:17 帮助过：1人阅读

for(i=0;i<DisY+1;i++) 
{ 
for(j=0;j<DisX+1;j++) 
{ 
changeId = startP+j+i*list; 
//alert(changeId); 
selectFun == 0?changeColorToSelected(changeId):changeColorToNotSelected(changeId); 
} 
} 
//alert(Sx); 
} 
function changUpEnd() 
{ 
if(startId == endId){ 
candraw = 1; 
changeColorToNotSelected(startId); 
document.getElementById("startid").value = startId; 
document.getElementById("endid").value = startId; 
window.parent.screenEvent(startId,startId,'<%=sSingalID%>'); 
}else{ 
candraw = 0; 
document.getElementById("startid").value = startId; 
document.getElementById("endid").value = endId; 
window.parent.screenEvent(startId,endId,'<%=sSingalID%>'); 
} 
} 
function changeEnd(id) 
{ 
//获得了最后的一个格子。 
if(candraw == 1){ 
endId = id; 
//alert(endId); 
//算法 
/* 
*根据起始ID 和 最后ID来确定是哪些格子变 
* 计算start和end的行，列数 
*/ 
changeColorBySE(startId,endId); 
}

} 
function neverDragDivision(fObj) { with (this) 
{ 
if (!fObj) return; 
this.bDraged = false; 
this.oDragOrig = fObj; 
oDragOrig.onmousedown = function() 
{ 
oDragOrig.style.backgroundColor="#FFFFFF"; 
//alert(event.clientY); 
//alert(oDragOrig.offsetTop); 
//var ofs = Offset(oDragOrig); 
// oDragOrig.style.position = "absolute"; 
//oDragOrig.style.left = ofs.l; 
//oDragOrig.style.top = ofs.t; 
//alert(oDragOrig.style.top); 
//oDragOrig.X = event.clientX - ofs.l; 
//oDragOrig.Y = event.clientY - ofs.t; 
bDraged = true; 
}; 
/* 
oDragOrig.onmousemove = function() 
{ 
if (!bDraged) return; 
oDragOrig.setCapture(); 
oDragOrig.style.left = event.clientX - oDragOrig.X; 
oDragOrig.style.top = event.clientY - oDragOrig.Y; 
};*/ 
/* 
oDragOrig.onmouseup = function() 
{ 
bDraged = false; 
oDragOrig.releaseCapture(); 
};*/ 
function Offset(e) { 
var t = e.offsetTop; 
var l = e.offsetLeft; 
var w = e.offsetWidth; 
var h = e.offsetHeight; 
while(ee=e.offsetParent) { 
t+=e.offsetTop; 
l+=e.offsetLeft; 
} 
return { t:t, l:l, w:w, h:h } 
}; 
}}; 
</SCRIPT> 
<style type="text/css"> 
 
</style> 
</head>

<body onselectstart="return false" oncontextmenu="window.event.returnValue=false" onmouseup=main_mouseup()> 
<center> 
<script> 
document.write('<table border="0" align="center">'); 
document.write('<tr>');

number=1; 
number1=1; 
var i; 
up=5; 
list=8; 
for(i=0;i<(up*list);i++) 
{ 
document.write('<td width="60" height="60" bgColor="#BEBEBE" id="'+i+'" onmouseMove="changeEnd(parseInt(id))" onmouseUp="changUpEnd()" onmouseDown="changeStart(parseInt(id))" onclick="changecolor(parseInt(id))")></td>'); 
if((i<((up*list)-list))&&(i+1)%list==0) 
{ 
document.write('</tr><tr>');

number++; 
} 
} 
document.write('</tr><tr>'); 
document.write('<td>'); 
document.write('</td>'); 
document.write('</tr></table>');

function resetcheck(){ 
for(i=0;i<(up*list);i++){ 
changeColorToNotSelected(i);

}

} 
</script> 
</center> 
 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

JS多个矩形块选择效果代码(模拟CS结构)

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