---
name: "CanvasContext.setLineCap"
mode: "api"
versionRequirements:
  - { name: "基础库", version: "2.21.8" }
title: "setLineCap - 设置线条端点样式"
---

## CanvasContext.setLineCap

> [VERSION] 基础库 >= 2.21.8

### 描述

设置线条的端点样式

### 参数

`Params`

| 参数 | 类型 | 必填 | 描述 |
| --- | --- | --- | --- |
| `lineCap` | `"butt" \| "round" \| "square"` | 是 | 线条的结束端点样式 |

### 返回值

无


### 示例代码

#### 设置线条端点

```ts
const ctx = ty.createCanvasContext('myCanvas');
ctx.setLineCap('round');
ctx.setLineWidth(10);
ctx.beginPath();
ctx.moveTo(10, 50);
ctx.lineTo(190, 50);
ctx.stroke();
ctx.draw();
```