<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>网格</title>
<style>
body{
background-color:#eee;
}
#canvas{
background-color:#fff;
margin-left:10px;
margin-top:10px;
-webkit-box-shadow:4px 4px 8px rgba(0,0,0,0.5);
-moz-box-shadow:4px 4px 8px rgba(0,0,0,0.5);
-box-shadow:4px 4px 8px rgba(0,0,0,0.5);
}
</style>
</head>
<body>
<canvas id="canvas" width="800" height="600"></canvas>
<script>
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
function drawGrid(context,color,stepx,stepy){
context.strokeStyle = color;
context.lineWidth = 0.5;
for(var i = stepx+0.5;i<context.canvas.width;i+=stepx){
context.beginPath();
context.moveTo(i,0);
context.lineTo(i,context.canvas.height);
context.stroke();
}
for(var i = stepy+0.5;i<context.canvas.height;i+=stepy){
context.beginPath();
context.moveTo(0,i);
context.lineTo(context.canvas.width,i);
context.stroke();
}
}
drawGrid(context,"#ccc",10,10);
</script>
</body>
</html>
网格.png
