升序
this.dataList.sort(function (a, b) { return b.uploadTime > a.uploadTime ? -1 : 1 })
降序
this.dataList.sort(function (a, b) { return b.uploadTime < a.uploadTime ? -1 : 1 })
升序
this.dataList.sort(function (a, b) { return b.uploadTime > a.uploadTime ? -1 : 1 })
降序
this.dataList.sort(function (a, b) { return b.uploadTime < a.uploadTime ? -1 : 1 })