export default {
  data() {
    return {
      elementHeight: null,
      contHeight: null
    }
  },
  created() {
    this.getElHeight(0);
  },
  mounted() {
    window.addEventListener('resize', this.getElHeight)
  },
  beforeDestroy() {
    window.removeEventListener('resize', this.getElHeight); // 移除窗口大小变化监听器
  },
  methods: {
    // 设置表格高度
    getElHeight(num) {
      this.$nextTick(() => {
        this.elementHeight =
          this.$refs.contBox.$el.clientHeight -
          this.$refs.headBox.offsetHeight -
          124 -
          this.$refs.pagination.offsetHeight + num;
      });
    },
  }
}