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Canvas lineTo() 方法

❮ Canvas 参考

示例

开始一条路径,移动到位置 (0, 0),并创建一条到 (300, 150) 的线

您的浏览器不支持 HTML5 canvas 标签。

JavaScript

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

// 开始一条新路径
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(300, 150);

// 绘制路径
ctx.stroke();
自己尝试 »

描述

lineTo() 方法从路径中的最后一点到新点添加一条线。

使用 stroke()fill() 方法来绘制路径。

另请参阅

beginPath() 方法(开始一条新路径)

closePath() 方法(关闭当前路径)

moveTo() 方法(将路径移动到一个点)

fill() 方法(填充当前路径)

stroke() 方法(绘制当前路径)


语法

context.lineTo(x, y)

参数值

参数 描述 播放它
x 要创建线条的 x 坐标 播放它 »
y 要创建线条的 y 坐标 播放它 »

返回值



更多示例

示例

绘制一个 L 形状的路径

您的浏览器不支持 HTML5 canvas 标签。

JavaScript

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

ctx.beginPath();
ctx.moveTo(20, 20);
ctx.lineTo(20, 100);
ctx.lineTo(70, 100);
ctx.stroke();
自己尝试 »

浏览器支持

<canvas> 元素是 HTML5 标准(2014 年)。

lineTo() 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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