<p>
<label>请选择一个文件:</label>
<input type="file" id="file" multiple="multiple" onchange="readAsDataURL()"/>
</p>
<div id="result" name="result"></div>
<script>
var result=document.getElementById("result");
var file=document.getElementById("file");
function readAsDataURL(){
var file = document.getElementById("file").files;
var result=document.getElementById("result");
for(i = 0; i< file.length; i ++) {
var reader = new FileReader();
reader.readAsDataURL(file[i]);
reader.onload=function(e){
//多图预览
result.innerHTML = result.innerHTML + '<img src="' + this.result +'" alt="" />';
}
}
}
</script>