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画布 lineJoin 属性

❮ 画布参考

示例

在两条线交汇处创建一个圆角

您的浏览器不支持HTML5画布标签。

JavaScript

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

ctx.beginPath();
ctx.lineJoin = "round";
ctx.moveTo(20, 20);
ctx.lineTo(100, 50);
ctx.lineTo(20, 100);
ctx.stroke();
自己试试 »

描述

lineJoin 属性设置或返回当两条线交汇时创建的拐角类型。

合法值:bevel、round 和 miter(默认)。

注意

"miter" 值受 miterLimit 属性影响。

另请参见

lineCap 属性(设置端帽)

lineJoin 属性(设置连接帽)

lineWidth 属性(设置连接帽)

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.lineJoin = "bevel|round|miter"

属性值

描述 播放它
bevel 创建一个斜角 播放它 »
round 创建一个圆角 播放它 »
miter 默认。创建一个尖角 播放它 »

浏览器支持

<canvas> 元素是 HTML5 标准 (2014)。

lineJoin 在所有现代浏览器中都受支持

Chrome Edge Firefox Safari Opera IE
9-11

❮ 画布参考
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