<input type=“file” >

<div class="add\_img">

	上传图片

	<input type="file" id="addFile"  onchange="getAddImg('addFile')">

</div>

<div id="add\_msg" style="100%">

	<img id="img" src="" alt="">

</div>

<script type="text/javascript">

	function getAddImg(obj){

		alert("asdasd")

		let docObj = document.getElementById(obj);

		let img = document.getElementById("img");

		let objMsg = document.getElementById("add\_msg");

		let file = docObj.files;

		console.log(file\[0\])

		objMsg.append("<p>"+file\[0\].name+"</p>")

		if(file && file\[0\]){

			let src = window.URL.createObjectURL(file\[0\]);

			img.src = src;

		}else{

		}

	}

</script>