CanvasContext.setLineJoin

解釋：設(shè)置線條的交點(diǎn)樣式。

方法參數(shù)

String lineJoinlineJoin 參數(shù)說(shuō)明：有效值為 'bevel' 、 'round' 、 'miter' ，線條的結(jié)束交點(diǎn)樣式。

示例 

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圖片示例

代碼示例

<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();
    }
});