CanvasContext.setStrokeStyle

解释：设置边框颜色。

方法参数

Color color

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 = this.createCanvasContext('myCanvas');
        canvasContext.setStrokeStyle('blue');
        canvasContext.strokeRect(30, 30, 150, 75);
        canvasContext.draw();
    }
});