JS实现图片粘贴到前台界面
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>图片粘贴</title>
<style>
#img{
width: 500px;
}
</style>
<img id="img" src="" alt="">
通过Ctrl + v将图片粘贴
</head>
<body>
<script>
setPasteImg();
//获取粘贴板上的图片
function setPasteImg(){
//粘贴事件
document.addEventListener('paste', function(event){
if (event.clipboardData || event.originalEvent) {
var clipboardData = (event.clipboardData || event.originalEvent.clipboardData);
if(clipboardData.items){
var blob;
for (var i = 0; i < clipboardData.items.length; i++) {
if (clipboardData.items[i].type.indexOf("image") !== -1) {
blob = clipboardData.items[i].getAsFile();
}
}
var render = new FileReader();
render.onload = function (evt) {
//输出base64编码
var base64 = evt.target.result;
document.getElementById('img').setAttribute('src',base64);
}
render.readAsDataURL(blob);
}
}
})
}
</script>
</body>
</html>
