D3
推荐使用lib缩放/平移svg,注意这个使用v3和最新版本d3的代码片段是5。
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
<style type="text/css">
body, html {
width: 100%;
height: 100%;
margin: 0;
}
svg {
position: absolute;
top: 0;
left: 0;
}
p {
text-align: center;
}
</style>
</head>
<body>
<p>Use the mouse to pan (click and move) / zoom (scrollwheel)</p>
</body>
<script type="text/javascript">
var svg = d3.select("body")
.append("svg")
.attr("width", "100%")
.attr("height", "100%")
.call(d3.behavior.zoom().on("zoom", function () {
svg.attr("transform", "translate(" + d3.event.translate + ")" + " scale(" + d3.event.scale + ")")
}))
.append("g")
svg.append("circle")
.attr("cx", document.body.clientWidth / 2)
.attr("cy", document.body.clientHeight / 2)
.attr("r", 50)
.style("fill", "#B8DEE6")
</script>
</html>
