html单元格斜线分割 在网页中画单元格斜线分割

function a(x,y,color)

{document.write("")}

function line(x1,y1,x2,y2,color)

{

var tmp

if(x1>=x2)

{

//加入测试数据

/**

x1=40;

y1=40;

x2=500;

y2=500;

**/

}

for(var i=x1;i<=x2;i++)

{

x = i;

y = (y2 - y1) / (x2 - x1) * (x - x1) + y1;

a(x,y,color);

}

}

//line(1,1,100,100,"000000");

function ceshi()

{

alert("td1.offsetLeft="+td1.offsetLeft+"td1.offsetTop="+td1.offsetTop);

var aaa=td1.offsetHeight+td2.offsetHeight;

alert("td1.offsetWidth="+td1.offsetWidth+"td2.offsetHeight="+aaa);

}

line(td1.scrollLeft,td1.offsetTop,td1.scrollLeft+td1.offsetWidth,td1.offsetTop+td1.offsetHeight+td2.offsetHeight,'#000000')