拖拽组

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组也支持拖拽，我们只需要设置组的 draggable 属性为 true, 或者使用 draggable() 方法设置。

Konva Drag and Drop the Group Demoview raw
<!DOCTYPE html>
<html>
  <head>
    <script src="https://unpkg.com/konva@4.0.18/konva.min.js"></script>
    <meta charset="utf-8" />
    <title>Konva Drag and Drop a Group 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
      });

      var shapesLayer = new Konva.Layer();
      var group = new Konva.Group({
        draggable: true
      });
      var colors = ['red', 'orange', 'yellow', 'green', 'blue', 'purple'];

      for (var i = 0; i < 6; i++) {
        var box = new Konva.Rect({
          x: i * 30 + 10,
          y: i * 18 + 40,
          width: 100,
          height: 50,
          name: colors[i],
          fill: colors[i],
          stroke: 'black',
          strokeWidth: 4
        });
        group.add(box);
      }

      group.on('mouseover', function() {
        document.body.style.cursor = 'pointer';
      });
      group.on('mouseout', function() {
        document.body.style.cursor = 'default';
      });

      shapesLayer.add(group);
      stage.add(shapesLayer);
    </script>
  </body>
</html>