mixin.js 1.67 KB
/*
 * @Date: 2022-07-26 09:49:54
 * @LastEditors: hookehuyr hookehuyr@gmail.com
 * @LastEditTime: 2024-10-21 16:35:25
 * @FilePath: /hager/src/common/mixin.js
 * @Description: 文件描述
 */

import $ from 'jquery';

export default {
  // 初始化设置
  init: {
    mounted () {
      document.title = this.$route.meta.title;
      // 页面进入时获取当前屏幕宽度
      this.handleResize();
      // 监听窗口的 resize 事件
      window.addEventListener('resize', this.handleResize);
    },
    beforeDestroy() {
      // 在组件销毁前移除监听器,防止内存泄漏
      window.removeEventListener('resize', this.handleResize);
    },
    data () {
      return {
        top_img_height: '38rem',
        screenWidth: $(window).width(), // 初始化屏幕宽度, xs <768px
      };
    },
    computed: {
      is_xs () {
        return this.screenWidth < 768;
      }
    },
    methods: {
      handleResize() {
        this.screenWidth = $(window).width(); // 更新屏幕宽度
        if (this.screenWidth < 768) {
          this.top_img_height = '30vh';
        } else {
          this.top_img_height = '38rem';
        }
      },
    },
    directives: {
      clickOutside: {
        bind(el, binding) {
          el.clickOutsideEvent = function(event) {
            // 检测点击是否在指定元素外部
            if (!(el === event.target || el.contains(event.target))) {
              binding.value(); // 触发绑定的方法
            }
          };
          document.addEventListener('click', el.clickOutsideEvent);
        },
        unbind(el) {
          document.removeEventListener('click', el.clickOutsideEvent);
        }
      }
    },
  },
};