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javascript 实现的表格斜线

2006-04-04 20:29 656 查看
源代码：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>

<script Language="javascript">
function a(x,y,color)
{document.write("<img border='0' style='position: absolute; left: "+(x+20)+"; top: "+(y+20)+";background-color: "+color+"' src='px.gif' width=1 height=1>")}
</script>

<body leftmargin=20 topmargin=20>
<TABLE border=0 bgcolor="000000" cellspacing="1" width=400>
<TR bgcolor="FFFFFF">
<TD id="td1"> </TD>
<TD>张三</TD>
<TD>李四</TD>
<TD>王五</TD>
</TR>
<TR bgcolor="FFFFFF">
<TD>数学</TD>
<TD>55</TD>
<TD>66</TD>
<TD>77</TD>
</TR>
<TR bgcolor="FFFFFF">
<TD>英语</TD>
<TD>99</TD>
<TD>68</TD>
<TD>71</TD>
</TR>
<TR bgcolor="FFFFFF">
<TD>语文</TD>
<TD>33</TD>
<TD>44</TD>
<TD>55</TD>
</TR>
</TABLE>
<script>
function line(x1,y1,x2,y2,color)
{
var tmp
if(x1>=x2)
{
tmp=x1;
x1=x2;
x2=tmp;
tmp=y1;
y1=y2;
y2=tmp;
}
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");
line(td1.offsetLeft,td1.offsetTop,td1.offsetLeft+td1.offsetWidth,td1.offsetTop+td1.offsetHeight,'#000000')
</script>
</BODY>
</HTML>

效果
function a(x,y,color)
{document.write("")}

张三李四王五
数学556677
英语996871
语文334455
function line(x1,y1,x2,y2,color)
{
var tmp
if(x1>=x2)
{
tmp=x1;
x1=x2;
x2=tmp;
tmp=y1;
y1=y2;
y2=tmp;
}
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");
line(td1.offsetLeft,td1.offsetTop,td1.offsetLeft+td1.offsetWidth,td1.offsetTop+td1.offsetHeight,'#000000')
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