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v-permission-directive

v1.0.15

Published

vue3权限控制指令v-permission

Downloads

12

Readme

权限判断

hasPermission 指令

这是一个基于 Vue3 进行封装的自定义指令,在这个插件中,你可以检查传入的系统权限列表和用户拥有的权限列表,来确定用户是否具有某个组件/按钮级别的权限,实现更细粒度的权限控制。

使用方法

  1. 在你的项目根目录中新建一个permission文件夹,并在文件夹下新建一个index.ts文件和一个modules文件夹。

modules文件夹用来放置不同模块的权限控制文件(一般各个模块各自建一个.ts文件),而index.ts用来遍历读取modules下的所有文件,并将所有文件转换为键值对的形式,整合成一个包含系统所有权限信息的对象,即:{ 模块名:{ 该模块的权限列表 }, ... }。

  • 在index.ts文件中键入以下代码:
/**
 * 权限配置模块文件,统一引入所有权限配置文件
 */
const files = import.meta.glob('./modules/*.ts');
const modules = {};
for (const path in files) {
  files[path]().then((mod) => {
    let fileNameMatch = path.match(/([^\/\\]+?)\.\w+$/);
    let fileName = fileNameMatch ? fileNameMatch[1] : null;
    modules[fileName as string] = mod?.default
  });
}

export default modules
  • 在modules下新建所需要的模块文件,文件中的内容格式形如以下例子(权限key值: 权限标识):
export default {
    add: '/add-add',
    delete: '/delete-delete', 
    edit: '/edit-edit', 
}
  1. 引入index.ts中整理好的系统预先配置的权限列表,作为我们所需要的参数permissionList,。
import permissionList from './permission'
  1. 通过接口获取当前用户的权限列表,作为我们所需要的参数permissions。
import permissions from '存放服务端返回接口权限列表数据的地方'

permissionList形如:

{
    "admin": {
        "add": "/admin-add",
        "delete": "/admin-delete",
        "edit": "/admin-edit"
    },
    "user": {
        "add": "/user-add",
        "delete": "/user-delete"
    }
}

permissions形如:

[
    "/user-add",
    "/user-delete"
]
  1. 在项目中的入口文件中引入 v-permission,将前面提到的两个参数作为选项,然后使用插件并传入选项:
import { createApp } from 'vue'
import App from './views/App.vue'
import permission from "v-permission" 
import permissionList from './permission'
import permissions from '存放服务端返回接口权限列表数据的地方'

const app = createApp(App);

const options = {
    permissionList,
    permissions
}

app.use(permission, options)

app.mount('#app')
  1. 在文件中使用。
  • 以指令的方式使用:

    • v-permission指令形式:

      <el-button v-permission="{ module: '模块名', auth: '权限key值' }"> 有权限则显示 </el-button>
    • v-if指令形式:

      <el-button v-if="hasPermissions({ module: '模块名', auth: '权限key值' })"> 有权限则显示 </el-button>
  • 以方法的方式使用:

    import { inject } from "vue";
      
    // 注入权限判断方法 hasPermissions
    const hasPermissions = inject("hasPermissions");
    if (hasPermissions({ module: '模块名', auth: '权限key值' })) {
      console.log("用户有权限");
    } else {
      console.log("用户没有权限");
    }