vue pdf 手形
时间: 2023-10-29 17:57:37 浏览: 43
你可以使用一些库来实现在Vue中实现PDF的鼠标拖动功能。其中一种常用的库是PDF.js,它是一个用于在网页上渲染PDF文件的JavaScript库。以下是在Vue中使用PDF.js实现鼠标拖动的简单示例:
1. 首先,安装所需的依赖:
```bash
npm install pdfjs-dist
```
2. 在Vue组件中引入PDF.js和相应的样式文件:
```js
import pdfjsLib from 'pdfjs-dist/build/pdf';
import 'pdfjs-dist/web/pdf_viewer.css';
```
3. 创建一个自定义指令来实现鼠标拖动功能:
```js
Vue.directive('drag-scroll', {
bind: function(el) {
const container = el.querySelector('.pdfViewer');
let isDragging = false;
let startX, startY;
container.addEventListener('mousedown', startDragging);
container.addEventListener('mousemove', dragScroll);
container.addEventListener('mouseup', stopDragging);
function startDragging(event) {
isDragging = true;
startX = event.clientX;
startY = event.clientY;
}
function dragScroll(event) {
if (!isDragging) return;
const dx = event.clientX - startX;
const dy = event.clientY - startY;
container.scrollLeft -= dx;
container.scrollTop -= dy;
startX = event.clientX;
startY = event.clientY;
}
function stopDragging() {
isDragging = false;
}
}
});
```