在KonvaJS中水平和垂直居中文本

var stage = new Konva.Stage({
  container: 'container',
  width: window.innerWidth,
  height: window.innerHeight
});

var layer = new Konva.Layer();
stage.add(layer);

var text = new Konva.Text({
  x: stage.width() / 2,
  y: 100,
  text: 'Hello World',
  fontSize: 20,
  align: 'center',
  width: stage.width()
});

layer.add(text);
layer.draw();

var stage = new Konva.Stage({
  container: 'container',
  width: window.innerWidth,
  height: window.innerHeight
});

var layer = new Konva.Layer();
stage.add(layer);

var text = new Konva.Text({
  x: 100,
  y: stage.height() / 2,
  text: 'Hello World',
  fontSize: 20,
  verticalAlign: 'middle',
  height: stage.height()
});

layer.add(text);
layer.draw();