要使用Konva创建一个矩形, 我们可以实例化一个Konva.Rect()对象.

有关属性和方法的完整列表,请参阅Konva.Rect文档

 Konva Rect Demo    
 <!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 Rect 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 layer = new Konva.Layer();
var rect = new Konva.Rect({
  x: 50,
  y: 50,
  width: 100,
  height: 50,
  fill: 'green',
  stroke: 'black',
  strokeWidth: 4
});
// add the shape to the layer
layer.add(rect);
// add the layer to the stage
stage.add(layer);
 </script>
 </body>
 </html>

矩形

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