<input type="file" class="form-control" id="avatar-upload" multiple accept=".perl,.sh,.bat,.py,.txt" name="publish" placeholder="请选择" autocomplete="off">
function checkinfo (obj) {
var len = obj.files.length;
var text = "";
for (var i = 0; i < len; i++) {
text += "文件:" + obj.files[i].name + " ,大小:" + obj.files[i].size + "字节\n";
}
var fileSize = obj.files[i].size;
console.log(text);
},
上传文件大小
原文：https://www.cnblogs.com/htmlli/p/8949655.html
