<canvas id="cc" width="798" height="1131"></canvas>
$(document).ready(function(){
// lili();
var i=0;
ui(i);
});
var colors = ['#e37f7f','#e37fd6','#b57fe3','#7f90e3','#7fcfe3','#7fe3d4','#7fe399','#b5e37f','#e3e27f','#e3ba7f','#e3a77f','#e37f7f','#e37fd6','#b57fe3','#7f90e3','#7fcfe3','#7fe3d4','#7fe399','#b5e37f','#e3e27f','#e3ba7f','#e3a77f'];//全局变量
//散列1线条
function ui(i){
if(i<18){
i=i+1;
}else if(i=19){
i=0
}
var mc=document.getElementById('cc');
var context=mc.getContext('2d');
var a=Math.floor(Math.random()*100),b=Math.floor(Math.random()*110),c=Math.floor(Math.random()*120),d=Math.floor(Math.random()*130);
context.beginPath();
context.moveTo(a,b);
context.lineTo(c,d);
context.strokeStyle=colors[i];
context.closePath();
context.stroke();
setTimeout('ui('+i+')',1000);
}