Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

Canvas closePath() 方法

❮ Canvas 参考

示例

绘制一个“L”形的路径,并在起点处连接一条线,闭合路径

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.closePath();
ctx.stroke();
尝试一下 »

描述

closePath() 方法从当前点创建一条回到起点的路径。

使用 stroke()fill() 方法绘制路径。

另请参阅

beginPath() 方法 (开始一条新的路径)

moveTo() 方法 (将路径移动到某个点)

lineTo() 方法 (在路径中添加一条线)

fill() 方法 (填充当前路径)

stroke() 方法 (绘制当前路径)


语法

context.closePath()

参数

返回值



更多示例

示例

用黑色填充路径

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.closePath();
ctx.stroke();
尝试一下 »

示例

用红色填充路径

您的浏览器不支持 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.closePath();
ctx.fillStyle = "red";
ctx.fill();
尝试一下 »

浏览器支持

<canvas> 元素是 HTML5 标准 (2014)。

closePath() 在所有现代浏览器中受支持

Chrome Edge Firefox Safari Opera IE
9-11

❮ Canvas 参考
×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
[email protected]

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
[email protected]

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.