[kingshsc shid=674]
<div id="runing"></div>
<script>
var stage = new Konva.Stage({
container: 'runing',
width:150,
height: 100
});
// add canvas element
var layer = new Konva.Layer();
stage.add(layer);
var rect = new Konva.Rect({
width: 100,
height: 50,
fill: 'red',
stroke: 'black',
strokeWidth: 5
});
// get corner radius
var cornerRadius = rect.cornerRadius();
// set corner radius
rect.cornerRadius(10);
// set different corner radius values
// top-left, top-right, bottom-right, bottom-left
rect.cornerRadius([0, 10, 20, 30]);
layer.add(rect );
layer.draw();
</script>