前端代码

    $.ajaxUploadSettings["name"] = "file";
    $("#input_demoupload").on('change', function() {
        var fileList = this.files;
        if (!fileList)
            return
        $.confirm("上传吗?",function(){
            $.ajaxUploadPost("/api/demoupload", fileList, function(){
                $.toast("上传成功");
                get_demo_list(true);
            }, "json");
        });
    });