JAVA SCRIPT中
我想在FUNCTION中绘出一个小圆点 或者方块也行
已经给出了大该位置X，Y
<script>
function ctOnResponseVolumesPosition(position_X,position_Y)
{
在这里面写，感谢各位的帮助了
}
</script>怎么弄呢 高手门帮帮忙！我不精通与这行也没时间了解 先解解眼急
我想在FUNCTION中绘出一个小圆点 或者方块也行
已经给出了大该位置X，Y
<script>
function ctOnResponseVolumesPosition(position_X,position_Y)
{
在这里面写，感谢各位的帮助了
}
</script>怎么弄呢 高手门帮帮忙！我不精通与这行也没时间了解 先解解眼急
<head><title></title></head>
<body>
<style type="text/css">
.dp {position:absolute; width:1px; height:1px; overflow:hidden; background-color:#666666}
</style>
<script language="javascript">// Author:张郎 winer_n
function drawOval(x, y, a, b)
{
if(arguments.length == 3)
{
return drawOval(x, y, a, a);
}
var i, j;
var tpos = [];
var x1, x2, y1, y2;
var html = "";
for(i = 0; i <= a; i++)
{
j = Math.floor(Math.sqrt(b*b - b*b*i*i/(a*a))+0.5);
x1 = i+x;
x2 = -i+x;
y1 = j+y;
y2 = -j+y;
if(!tpos[x1*1000+y1])
{
drawPos(x1,y1);
drawPos(x1,y2);
drawPos(x2,y1);
drawPos(x2,y2);
tpos[x1*1000+y1] = true;
}
}
for(i = 0; i <= b; i++)
{
j = Math.floor(Math.sqrt(a*a - a*a*i*i/(b*b))+0.5);
x1 = j+x;
x2 = -j+x;
y1 = i+y;
y2 = -i+y;
if(!tpos[x1*1000+y1])
{
drawPos(x1,y1);
drawPos(x1,y2);
drawPos(x2,y1);
drawPos(x2,y2);
tpos[x1*1000+y1] = true;
}
}
document.write(html); function drawPos(x, y)
{
html += "<div class='dp' style='left:" + x + "px; top:" + y + "px;'></div>";
} } var t = new Date();
drawOval(200, 200, 100); // 圆
drawOval(300, 300, 200, 100); // 椭圆
alert(new Date() - t);
</script>
</body>
</html>copied from a website!