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xhs.setLineWidth

更新时间:2025-12-09 10:59:10

设置线条的宽度。

参数

Number lineWidth

lineWidth 参数说明

属性
类型
默认值
必填
说明
最低版本
lineWidthNumber是线条的宽度(单位:px )

示例代码

Page({
    onLoad() {
        const canvasContext = xhs.createCanvasContext('myCanvas');
        canvasContext.beginPath();
        canvasContext.moveTo(30, 10);
        canvasContext.lineTo(200, 10);
        canvasContext.stroke();

        canvasContext.beginPath();
        canvasContext.setLineWidth(5);
        canvasContext.moveTo(50, 30);
        canvasContext.lineTo(200, 30);
        canvasContext.stroke();

        canvasContext.beginPath();
        canvasContext.setLineWidth(10);
        canvasContext.moveTo(70, 50);
        canvasContext.lineTo(200, 50);
        canvasContext.stroke();

        canvasContext.beginPath();
        canvasContext.setLineWidth(15);
        canvasContext.moveTo(90, 70);
        canvasContext.lineTo(200, 70);
        canvasContext.stroke();

        canvasContext.draw();
    }
});

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