dy-admin-manager/src/utils/directive.js

import Vue from "vue";
// import store from '@/store'

// let permissionArr = store.getters.permission

Vue.directive("permission", {
  inserted(el, binding) {
    let value = binding.value;
    let permission = window.localStorage.getItem("permission");
    permission = permission.split(",");
    // 如果一个权限判断不了则用两个
    // 格式： v-permission="{child: 'child', parent: 'parent'}"
    // 在特殊情况下才会用到两个参数，基本情况只会用到一个标识
    if (typeof value == "string") {
      if (!permission.includes(value)) {
        // el.style.display = 'none'
        el.parentNode && el.parentNode.removeChild(el);
      }
    } else {
      if (
        permission.includes(value.parent) &&
        permission.includes(value.child)
      ) {
        // el.style.display = 'none'
      } else {
        el.parentNode && el.parentNode.removeChild(el);
      }
    }
  }
});

Vue.directive("number", {
  inserted(el) {
    el.oninput = function(e) {
      let value = "" + e.target.value;
      if (value.indexOf(".") != -1) {
        let arr = value.split("");
        arr.splice(arr.length - 1);
        let str2 = arr.join("");
        e.target.value = +str2;
        return;
      }
    };
  }
});

/** 防止重复点击指令 */
Vue.directive("preventReClick", {
  mounted(el, binding) {
    el.addEventListener("click", () => {
      if (!el.disabled) {
        el.disabled = true;
        setTimeout(() => {
          el.disabled = false;
        }, binding.value || 2000);
      }
    });
  }
});