在uniapp上用zrender画一个方块并且绑定单击事件
时间: 2024-02-09 07:12:22 浏览: 268
好的,你可以按照以下步骤来实现:
1. 在uniapp项目中安装zrender库:
```
npm install zrender --save
```
2. 在需要使用的页面中引入zrender库:
```javascript
import zrender from 'zrender';
```
3. 在页面中创建一个canvas元素,并初始化zrender:
```html
<canvas id="myCanvas"></canvas>
```
```javascript
export default {
mounted() {
const myCanvas = document.getElementById('myCanvas');
const zr = zrender.init(myCanvas);
}
}
```
4. 使用zrender创建一个矩形元素:
```javascript
const rect = new zrender.Rect({
shape: {
x: 10,
y: 10,
width: 50,
height: 50
},
style: {
fill: '#ff0000'
}
});
zr.add(rect);
```
5. 绑定单击事件:
```javascript
rect.on('click', function() {
console.log('矩形被单击了!');
});
```
完整代码如下:
```html
<template>
<canvas id="myCanvas"></canvas>
</template>
<script>
import zrender from 'zrender';
export default {
mounted() {
const myCanvas = document.getElementById('myCanvas');
const zr = zrender.init(myCanvas);
const rect = new zrender.Rect({
shape: {
x: 10,
y: 10,
width: 50,
height: 50
},
style: {
fill: '#ff0000'
}
});
rect.on('click', function() {
console.log('矩形被单击了!');
});
zr.add(rect);
}
}
</script>
```
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