Vue 2版本案例

  • 按钮级别权限控制
permission.js
import store from '@/store'
 
function checkPermission(el, binding) {
  const { value } = binding
  const roles = store.getters && store.getters.roles
 
  if (value && value instanceof Array) {
    if (value.length > 0) {
      const permissionRoles = value
 
      const hasPermission = roles.some(role => {
        return permissionRoles.includes(role)
      })
 
      if (!hasPermission) {
        el.parentNode && el.parentNode.removeChild(el)
      }
    }
  } else {
    throw new Error(`need roles! Like v-permission="['admin','editor']"`)
  }
}
 
export default {
  inserted(el, binding) {
    checkPermission(el, binding)
  },
  update(el, binding) {
    checkPermission(el, binding)
  }
}

hook functions: bind inserted update componentUpdated unbind