为什么没有显示结果啊。空白画板，求看，原本应该是个七巧板的。。。

<!DOCTYPE html>

<html>

<head>

</head>

<body>

<canvas id="canvas" width="800" height="800" style="border:1px solid

#aaa;display:block;margin:50px auto;">当浏览器不支持canvas，请更换浏览器后再试

</canvas>

var data=[

{p:[{x:0,y:0},{x:800,y:0},{x:400,y:400}],color:"#caff67"},

{p:[{x:0,y:0},{x:400,y:400},{x:0,y:800}],color:"#67becf"},

{p:[{x:800,y:0},{x:800,y:400},{x:600,y:600}，{x:600,y:200}],color:"#ef3d61"},

{p:[{x:600,y:200},{x:600,y:600}，{x:400,y:400}],color:"#f9f51a"},

{p:[{x:400,y:400},{x:600,y:600},{x:400,y:800},{x:200,y:600}],color:"#a594c0"},

{p:[{x:200,y:600},{x:400,y:800},{x:0,y:800}],color:"#fa8ecc"},

{p:[{x:800,y:400},{x:800,y:800},{x:400,y:800}],color:"#f6ca29"}

]

window.onload = function(){

var canvas = document.getElementById("canvas");

canvas.width = 800;

canvas.height = 800;

var context = canvas.getContext("2d");

//使用context绘制

for(var i = 0; i < data.length ; i++)

draw(data[i],context)

}

function draw(piece,cxt){

cxt.beginPath();

cxt.moveTo(piece.p[0].x,piece.p[0].y);

for(var i = 1; i < piece.p.length ; i++)

cxt.lineTo(piece.p[i].x,piece.p[i].y);

cxt.closePath();

cxt.fillStyle = piece.color;

cxt.fill();

}

</script>

</body>

</html>

大咪

浏览 1529回答 1