<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>上传</title>
<!-- <script src="jquery-3.4.1.min.js"></script> -->
<style>
#file-list{
display: flex;
flex-wrap: wrap;
}
#file-list li{
list-style: none;
display: flex;
text-align: center;
align-items: center;
justify-content: center;
width: 150px;
height: 150px;
line-height: 150px;
font-size: 14px;
color: #fff;
border-radius: 4px;
margin: 0 6px 6px 0;
background: #ededed;
overflow: hidden;
overflow: hidden;
}
#file-list li .img-misk{
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0,0,0,0.3);
transition: all .3s;
opacity: 0;
}
#file-list li:hover .img-misk{
opacity: 1;
}
#file-list li span{
margin: 0 4px;
cursor: pointer;
}
#file-list li img{
max-width: 100%;
}
</style>
</head>
<body>
<div>
<div id="showimg">
<ul id="file-list"></ul>
<label for="upgteimg">Select some files</label>
<input type="file" id="upgteimg" value="" multiple="multiple" hidden/>
</div>
</div>
<script>
window.onload = function () {
let readFile = document.querySelector("#upgteimg"),
showui = document.querySelector("#file-list"),
dataObj = {},
index = 0,
imgDele = readFile.querySelector('.delete'),
imgView = readFile.querySelector('.view');
// 上传图片
readFile.addEventListener('change', function(){
for (let i = 0; i < this.files.length; i++) {
let url = URL.createObjectURL(this.files[i])
let reader = new FileReader();
let file = this.files[i];
index++; // image index
reader.readAsDataURL(this.files[i]);
(function(index){
reader.onload = (e) => {
let result = `<li data-id="${index}" data-url="${url}">
<div class="img-misk">
<span class="view" data-id="${index}">查看</span>
<span class="delete" data-id="${index}">删除</span>
</div>
<img class="showimg" src="${url}"/>
</li>`;
showui.innerHTML += result;
dataObj[index] = url;
}
})(index)
}
})
// if (!readFile['value'].match(/.jpg|.gif|.png|.jpeg|.bmp/i)) {
// return alert("格式");
// }
// 操作图片
showui.addEventListener('click', function(e){
var e = e || window.event,
target = e.srcElement || e.target,
index = target.getAttribute('data-id'),
name = target.className;
switch(name){
case 'delete':
return deleteImg(index)
case 'view':
return viewImg(index)
}
})
// delete image
function deleteImg(index){
let oLi = document.querySelectorAll("li");
oLi.forEach(item => {
if(item.dataset.id == index) return item.remove();
console.log(index)
})
delete dataObj[index];
}
// view image
function viewImg(index){
document.body.appendChild("<div>2</div>");
console.log(index)
}
}
</script>
</body>
</html>
