addData(data) {

                let that = this

                if (this.listJust.length && this.listJust.length >= 5) {

                    // 数据超过5条后，继续增加数据的时候，将最早的数据清除

                    this.listJust.splice(this.listJust.length - 1, 1)

                    this.listJust.push(data);

                    this.listJust = Enumerable.from(this.listJust).orderByDescending("d=>d.RegisterID").toArray();

                } else {

                    this.listJust.push(data);

                    this.listJust = Enumerable.from(this.listJust).orderByDescending("d=>d.RegisterID").toArray();

                }

            },