[HTML]那个圣诞树，把代码分享给⼤家
<!DOCTYPE HEML PUBLIC>
<html>
<head>
<meta charset="utf-8">
<title>
From ZXW-NUDT
</title>
<style>
body{text-align:center}
html, body
{
width: 100%;
height: 100%;
margin: 0;
padding: 0;
border: 0;
}
div
{
margin: 0;
padding: 0;
border: 0;
}
.nav
{
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 27px;
background-color: white;
color: black;
text-align: center;
line-height: 25px;
}
a
{
color: black;
text-decoration: none;
border-bottom: 1px dashed black;
}
a:hover
{
border-bottom: 1px solid red;
}
.previous
{
float: left;
margin-left: 10px;
}
.next
{
float: right;
hbuilder圣诞树代码
margin-right: 10px;
}
.green
{
color: green;
}
.red
{
color: red;
}
textarea
textarea
{
width: 100%;
height: 100%;
border: 0;
padding: 0;
margin: 0;
padding-bottom: 20px;
}
.block-outer
{
float: left;
width: 22%;
height: 100%;
padding: 5px;
border-left: 1px solid black;
margin: 30px 3px 3px 3px;
}
.block-inner
{
height: 68%;
}
.
one
{
border: 0;
}
</style>
</head>
<body marginwidth="0"marginheight="0">
<canvas id="c"height="356"width="446">
<script>
var collapsed =true;
function toggle()
{
var fs = ElementsByTagName('frameset')[0];
var f = fs.getElementsByTagName('frame');
if(collapsed)
{
f[0].noResize =false;
f[1].noResize =false;
}
else
{
f[0].noResize =true;
f[1].noResize =true;
}
collapsed =!collapsed;
}
</script>
<script>
var b = document.body;
var c = ElementsByTagName('canvas')[0];
var a = c.getContext('2d');
document.body.clientWidth;
</script>
<script>
M=Math;
Q=M.random;J=[];
U=16;
T=M.sin;
E=M.sqrt;
for(O=k=0;x=z=j=i=k<200;)
with(M[k]=k?c.cloneNode(0):c)
{
width=height=k?32:W=446;
with(getContext('2d'))
if(k>10|!k)
for(
font='60px Impact',
V='rgba(';I=i*U,fillStyle=k?k==13?V+'205,205,215,.15)':
V+(147+I)+','+(k%2?128+I:0)+','+I+',.5)':'#cca',i<7;)
beginPath(fill(arc(U-i/3,24-i/2,k==13?4-(i++)/2:8-i++,0,M.PI*2,1)));
else for(;
x=T(i),
y=Q()*2-1,
D=x*x+y*y,
B=E(D-x/.9-1.5*y+1),
R=67*(B+1)*(L=k/9+.8)>>1,
i++<W;
)
if(D<1)
beginPath(strokeStyle=V+R+','+(R+B*L>>0)+',40,.1)'),
moveTo(U+x*8,U+y*8),
lineTo(U+x*U,U+y*U),
stroke();
for(
y=H=k+E(k++)*25,
R=Q()*W;
P=3,j<H;)
J[O++]=[
x+=T(R)*P+Q()*6-3,y+=Q()*U-8,
z+=T(R-11)*P+Q()*6-3,
j/H*20+((j+=U)>H&Q()>.8?Q(P=9)*4:0)>>1]
}
setInterval(function G(m,l)
{
A=T(D-11);
if(l)
return(
m[2]-l[2])*A+(l[0]-m[0])*T(D);
a.clearRect(0,0,W,W);
J.sort(G);
for(
i=0;
L=J[i++];
a.drawImage(M[L[3]+1],207+L[0]*A+L[2]*T(D)>>0,L[1]>>1))
{
if(i==2e3)
a.fillText
('Happy Christmas!',U,345);
if(!(i%7))
a.drawImage(M[13],
((157*(i*i)+T(D*5+i*i)*5)%W)>>0,
((113*i+(D*i)/60)%(290+i/99))>>0);
}
D+=.02
},1)
</script>
</body>
</html>
关于加上背景⾳乐的事情 假设和本html⽂件有个⽂件夹名字是music，⽂件夹下有个⾳频⽂件是music.mp3。那么代码应该为：<audio src="music/music.mp3"autoplay="autoplay"loop="loop"></audio>
src是地址
autoplay默认播放
loop默认循环
更换背景应该是（反正我没试过）：
<div class="image"><img src="images.jpg"alt=""/></div><div class="content">关注我的html专栏，还有更多的奇技YQ

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