要使用Konva拖放舞台,我们在实例化舞台时可以设置draggable属性 ,设置对象的值为true,或者我们可以使用draggable()方法。

与其他节点(例如形状,组和图层)的拖放不同, 我们可以通过拖动舞台的任何部分来拖动整个舞台。

Konva Drag and Drop the Stage Demo点击查看

<!DOCTYPE html>
<html>
<head>
<script src="https://cdn.rawgit.com/konvajs/konva/1.4.0/konva.min.js"></script>
<meta charset="utf-8">
<title>Konva Drag and Drop the Stage Demo</title>
<style>
    body {
        margin: 0;
        padding: 0;
        overflow: hidden;
        background-color: #F0F0F0;
    }
</style>
</head>
<body>
<div id="container"></div>
<script>
var width = window.innerWidth;
var height = window.innerHeight;
var stage = new Konva.Stage({
    container: 'container',
    width: width,
    height: height,
    draggable: true
});
var layer = new Konva.Layer();
var circle = new Konva.Circle({
    x: stage.getWidth() / 2,
    y: stage.getHeight() / 2,
    radius: 70,
    fill: 'red',
    stroke: 'black',
    strokeWidth: 4
});
// add the shape to the layer
layer.add(circle);
// add the layer to the stage
stage.add(layer);
</script>
</body>
</html>

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