CanvasContext.setLineJoin

解释：设置线条的交点样式。

方法参数

String lineJoinlineJoin 参数说明：有效值为 'bevel' 、 'round' 、 'miter' ，线条的结束交点样式。

示例 

在开发者工具中打开

图片示例

代码示例

<canvas canvas-id="myCanvas" class="myCanvas" />

Page({
    onLoad() {
        const canvasContext = swan.createCanvasContext('myCanvas');
        canvasContext.beginPath();
        canvasContext.moveTo(10, 10);
        canvasContext.lineTo(100, 50);
        canvasContext.lineTo(10, 90);
        canvasContext.stroke();

        canvasContext.beginPath();
        canvasContext.setLineJoin('bevel');
        canvasContext.setLineWidth(10);
        canvasContext.moveTo(50, 10);
        canvasContext.lineTo(140, 50);
        canvasContext.lineTo(50, 90);
        canvasContext.stroke();

        canvasContext.beginPath();
        canvasContext.setLineJoin('round');
        canvasContext.setLineWidth(10);
        canvasContext.moveTo(90, 10);
        canvasContext.lineTo(180, 50);
        canvasContext.lineTo(90, 90);
        canvasContext.stroke();

        canvasContext.beginPath();
        canvasContext.setLineJoin('miter');
        canvasContext.setLineWidth(10);
        canvasContext.moveTo(130, 10);
        canvasContext.lineTo(220, 50);
        canvasContext.lineTo(130, 90);
        canvasContext.stroke();

        canvasContext.draw();
    }
});