preview-image
H5 预览图片
使用方法
Html
<body>
<div class="imglist">
<img class="img" src="/http/maxAgeImage" />
<img class="img" src="xxx.jpg" />
<img class="img" src="yyy.png" />
</div>
</body>Rawjs
import { previewImage } from '@huangjs888/previewImage';
const imgDoms = document.querySelectorAll('.img');
const imgUrls = [];
imgDoms.forEach((a) => {
const current = a.src;
imgUrls.push(current);
a.onclick = () => {
const { left, top, width, height } = a.getBoundingClientRect();
const clickPosition = { x: left + width / 2, y: top + height / 2, w: width, h: height };
previewImage({
current,
urls: imgUrls,
// 预览图片时，图片将从该位置打开
clickPosition,
// 移动端长按或web端右键可以在此弹出自定义菜单操作
onContextMenu: () => {
alert('rawjs');
},
});
};
});
React
import React from 'react';
import { PreviewImage } from '@huangjs888/preview-image/react';
const list = ['/http/maxAgeImage', 'xxx.jpg', 'yyy.png'];
function App() {
const [open, setOpen] = React.useState(false);
const [current, setCurrent] = React.useState('');
const [clickPosition, setClickPosition] = React.useState();
const click = (e) => {
const origin = e.target;
const { left, top, width, height } = origin.getBoundingClientRect();
const position = { x: left + width / 2, y: top + height / 2, w: width, h: height };
// 如果不是缩略图，此时可以获取点击位置
/* const position = {
x: (e.touches ?? [e])[0]?.pageX,
y: (e.touches ?? [e])[0]?.pageY,
}; */
setClickPosition(position);
setCurrent(origin.src);
setOpen(true);
};
return (
<div className="App">
<div className="imglist">
{list.map((url, index) => (
<img key={index} onClick={click} className="img" src={url} alt="" />
))}
</div>
<PreviewImage
open={open}
onClose={() => setOpen(false)}
current={current}
urls={list}
// 预览图片时，图片将从该位置打开
clickPosition={clickPosition}
// 长按或右键可以在此弹出自定义菜单操作
onContextMenu={() => alert('react')}
/>
</div>
);
}