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分享HTML中拼图怎么做,为什么我老拼出来错位呢？请教网页高手给点经验！
我做网页的时候,在photoshop中设计好了图片之后进行裁减切分,然后加入到网页中,但拼接的时候,总有错位,并且有时候一个表格中加入一张图后就把其它本已经拼好的图片弄开了，我也没有找到这方面专门的书籍来补充,能否介绍一二在下不胜感激！
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Brookes 2003-09-03
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>emu's paint without vlm</title>
</head>
<body>
<button onclick="testDrawCurve()">画曲线</button>
<button onclick="testDrawArc()">画弧线</button>
<button onclick="testDrawCircle()">画圆</button>
<button onclick="testDrawLine()">画线</button>
<button onclick="testDrawRectangle()">画矩形</button>
<button onclick="testDrawPie()">画饼图</button>
<div id=div1></div>
<SCRIPT LANGUAGE="JavaScript">
<!--
function testDrawCurve()
{
div1.innerHTML = drawCurve();
}
function testDrawArc()
{
div1.innerHTML =drawArc(150,150,100,0,270,"viloet")
}
function testDrawCircle()
{
div1.innerHTML = drawCircle(200,200,150,"blue");
}
function drawCircle(x0,y0,radius,color)
{
return drawArc(x0,y0,radius,0,360,color)
}
function testDrawLine()
{
div1.innerHTML = drawLine(100,200,500,200,"yellow")+drawLine(300,100,300,400,"black")+drawLine(600,400,100,100,"violet")
}
function testDrawRectangle()
{
div1.innerHTML = drawRectangle(200,100,600,200,"blue")+drawRectangle(100,200,400,500,"red")
}
function testDrawPie()
{
div1.innerHTML = drawPie(300,200,120,0,45,"red");
}
function drawLine(x0,y0,x1,y1,color)
{
var rs = "";
if (y0 == y1) //画横线
{
rs = "<table style='top:"+y0+";left:"+x0+";position:absolute'><td bgcolor="+color+" height=3 width="+Math.abs(x1-x0)+"></td></table>";
}
else if (x0 == x1) //画竖线
{
rs = "<table style='top:"+y0+";left:"+x0+";position:absolute'><td bgcolor="+color+" width=1 height="+Math.abs(y1-y0)+"></td></table>";
}
else
{
var lx = x1-x0
var ly = y1-y0
var l = Math.sqrt(lx*lx+ly*ly)
rs = new Array();
for (var I=0;I<l;I+=1)
{
var p = I/l;
var px = x0 + lx*p;
var py = y0 + ly*p;
rs[rs.length] = "<table style='top:"+py+";left:"+px+";position:absolute'><td bgcolor="+color+" height=3></td></table>";
}
rs = rs.join("");
}
return rs
}
function drawRectangle(x0,y0,x1,y1,color)
{
if (x0 == x1 || y0 == y1) return;
if (x0>x1) {var t=x0;x0=x1;x1=t}
if (y0>y1) {var t=y0;y0=y1;y1=t}
return "<table style='top:"+y0+";left:"+x0+";position:absolute'><td bgcolor="+color+" width="+(x1-x0)+" height="+(y1-y0)+"></td></table>";
}
function drawPie(x0,y0,radius,startAngle,endAngle,color)
{
var rs = drawArc(x0,y0,radius,startAngle,endAngle,color)
startAngle = startAngle/360*Math.PI*2;
endAngle = endAngle/360*Math.PI*2;
var startx=Math.sin(startAngle)*radius+x0;
var endx=Math.sin(endAngle)*radius+x0;
var starty=Math.cos(startAngle)*radius+y0;
var endy=Math.cos(endAngle)*radius+y0;
rs += drawLine(x0,y0,startx,starty,color)
rs += drawLine(x0,y0,endx,endy,color)
return rs;
}
function drawArc(x0,y0,radius,startAngle,endAngle,color)
{
rs = new Array();
tmpar = new Array();
startAngle = startAngle/360*Math.PI*2;
endAngle = endAngle/360*Math.PI*2;
for (var I=startAngle;I<endAngle;I+=(1/radius))
{
var dx = Math.sin(I)*radius+x0;
var dy = Math.cos(I)*radius+y0;
rs[rs.length] = "<table style='top:"+dy+";left:"+dx+";position:absolute'><td bgcolor="+color+" height=3></td></table>";
}
return (rs.join(""));
}
function drawCurve()
{
var rs = new Array();
for (var I=0;I<2*Math.PI;I+=.02)
{
var x = 300-Math.sin(I)*100
var y = 300-Math.cos(I)*100
rs[rs.length] = "<table style='top:"+x+";left:"+(I*100+90)+";position:absolute'><td bgcolor=blue height=3></td></table>";
rs[rs.length] = "<table style='top:"+y+";left:"+(I*100+90)+";position:absolute'><td bgcolor=violet height=3></td></table>";
}
return rs.join("");
}
//-->
</SCRIPT>
</body>
</html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>emu's paint without vlm</title>
</head>
<body>
<button onclick="testDrawCurve()">画曲线</button>
<button onclick="testDrawArc()">画弧线</button>
<button onclick="testDrawCircle()">画圆</button>
<button onclick="testDrawLine()">画线</button>
<button onclick="testDrawRectangle()">画矩形</button>
<button onclick="testDrawPie()">画饼图</button>
<div id=div1></div>
<SCRIPT LANGUAGE="JavaScript">
<!--
function testDrawCurve()
{
div1.innerHTML = drawCurve();
}
function testDrawArc()
{
div1.innerHTML =drawArc(150,150,100,0,270,"viloet")
}
function testDrawCircle()
{
div1.innerHTML = drawCircle(200,200,150,"blue");
}
function drawCircle(x0,y0,radius,color)
{
return drawArc(x0,y0,radius,0,360,color)
}
function testDrawLine()
{
div1.innerHTML = drawLine(100,200,500,200,"yellow")+drawLine(300,100,300,400,"black")+drawLine(600,400,100,100,"violet")
}
function testDrawRectangle()
{
div1.innerHTML = drawRectangle(200,100,600,200,"blue")+drawRectangle(100,200,400,500,"red")
}
function testDrawPie()
{
div1.innerHTML = drawPie(300,200,120,0,45,"red");
}
function drawLine(x0,y0,x1,y1,color)
{
var rs = "";
if (y0 == y1) //画横线
{
rs = "<table style='top:"+y0+";left:"+x0+";position:absolute'><td bgcolor="+color+" height=3 width="+Math.abs(x1-x0)+"></td></table>";
}
else if (x0 == x1) //画竖线
{
rs = "<table style='top:"+y0+";left:"+x0+";position:absolute'><td bgcolor="+color+" width=1 height="+Math.abs(y1-y0)+"></td></table>";
}
else
{
var lx = x1-x0
var ly = y1-y0
var l = Math.sqrt(lx*lx+ly*ly)
rs = new Array();
for (var I=0;I<l;I+=1)
{
var p = I/l;
var px = x0 + lx*p;
var py = y0 + ly*p;
rs[rs.length] = "<table style='top:"+py+";left:"+px+";position:absolute'><td bgcolor="+color+" height=3></td></table>";
}
rs = rs.join("");
}
return rs
}
function drawRectangle(x0,y0,x1,y1,color)
{
if (x0 == x1 || y0 == y1) return;
if (x0>x1) {var t=x0;x0=x1;x1=t}
if (y0>y1) {var t=y0;y0=y1;y1=t}
return "<table style='top:"+y0+";left:"+x0+";position:absolute'><td bgcolor="+color+" width="+(x1-x0)+" height="+(y1-y0)+"></td></table>";
}
function drawPie(x0,y0,radius,startAngle,endAngle,color)
{
var rs = drawArc(x0,y0,radius,startAngle,endAngle,color)
startAngle = startAngle/360*Math.PI*2;
endAngle = endAngle/360*Math.PI*2;
var startx=Math.sin(startAngle)*radius+x0;
var endx=Math.sin(endAngle)*radius+x0;
var starty=Math.cos(startAngle)*radius+y0;
var endy=Math.cos(endAngle)*radius+y0;
rs += drawLine(x0,y0,startx,starty,color)
rs += drawLine(x0,y0,endx,endy,color)
return rs;
}
function drawArc(x0,y0,radius,startAngle,endAngle,color)
{
rs = new Array();
tmpar = new Array();
startAngle = startAngle/360*Math.PI*2;
endAngle = endAngle/360*Math.PI*2;
for (var I=startAngle;I<endAngle;I+=(1/radius))
{
var dx = Math.sin(I)*radius+x0;
var dy = Math.cos(I)*radius+y0;
rs[rs.length] = "<table style='top:"+dy+";left:"+dx+";position:absolute'><td bgcolor="+color+" height=3></td></table>";
}
return (rs.join(""));
}
function drawCurve()
{
var rs = new Array();
for (var I=0;I<2*Math.PI;I+=.02)
{
var x = 300-Math.sin(I)*100
var y = 300-Math.cos(I)*100
rs[rs.length] = "<table style='top:"+x+";left:"+(I*100+90)+";position:absolute'><td bgcolor=blue height=3></td></table>";
rs[rs.length] = "<table style='top:"+y+";left:"+(I*100+90)+";position:absolute'><td bgcolor=violet height=3></td></table>";
}
return rs.join("");
}
//-->
</SCRIPT>
</body>
</html>
