hbuilder项目总结：localstorage本地储存

只能保存字符串

var file = "{"date":"" + myDate.toLocaleString() + "","id":"" + d.filename + "","name":"" + name + ""}";

获取本地储存内容

var filelist=localStorage.getItem("fileList");

缓存本地储存内容

localStorage.setItem("fileList",filelist)