vue2 图片链接下载图片
时间: 2024-04-16 18:23:22 浏览: 20
在Vue2中,可以使用以下方法来实现图片链接下载图片的功能:
1. 使用`html2canvas`将DOM转化为图片[^1]:
```javascript
import html2canvas from 'html2canvas';
// 获取图片链接
const getImageUrl = async (element) => {
const canvas = await html2canvas(element);
const dataUrl = canvas.toDataURL('image/png');
return dataUrl;
};
// 下载图片
const downloadImage = (url, filename) => {
const link = document.createElement('a');
link.href = url;
link.download = filename;
link.click();
};
// 使用示例
const element = document.getElementById('your-element'); // 替换为你的DOM元素
getImageUrl(element).then((url) => {
downloadImage(url, 'image.png');
});
```
2. 使用`image-conversion`插件进行图片压缩和上传[^2]:
```javascript
import * as imageConversion from 'image-conversion';
// 图片压缩和上传
const compressAndUploadImage = async (file, maxSize) => {
const blob = await imageConversion.compressAccurately(file, maxSize);
// 进行图片上传操作
// ...
};
// 使用示例
const file = document.getElementById('your-file-input').files; // 替换为你的文件输入框
const maxSize = 100; // 设置最大文件大小为100KB
compressAndUploadImage(file, maxSize);
```