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Canvas lineCap 属性

❮ Canvas 参考

示例

绘制带有圆角端点的线

你的浏览器不支持HTML5 canvas 标签。

JavaScript

const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");

ctx.beginPath();
ctx.lineCap = "round";
ctx.moveTo(20, 20);
ctx.lineTo(20, 200);
ctx.stroke();
自己试试 »

描述

The lineCap 属性设置或返回线的端点样式。

合法值:butt(默认)、round 和 square。

注意

值 round 和 square 使线略微变长。

另请参阅

lineCap 属性 (设置端点)

lineJoin 属性 (设置连接端点)

lineWidth 属性 (设置连接端点)

fillStyle 属性 (设置填充颜色/样式)

strokeStyle 属性 (设置描边颜色/样式)


语法

context.lineCap = "butt|round|square"

属性值

描述 播放它
butt 线端部的平直边缘 播放它 »
round 线端部的圆形端点 播放它 »
square 线端部的方形端点 播放它 »

浏览器支持

The <canvas> 元素是 HTML5 标准(2014 年)。

lineCap 在所有现代浏览器中都受支持

Chrome Edge Firefox Safari Opera IE
9-11

❮ Canvas 参考
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