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教育项目之前端模块(vue+nuxt+webpack)介绍

吓死我了_1799 2022-03-12 阅读 28

1.项目结构

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2.目录和代码分析

  • build的文件夹:主要放置webpack的打包文件的,webpack自动生成不用管。
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  • config目录,用于配置请求地址前缀的。
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    peod.env.js:
'use strict'
module.exports = {
  NODE_ENV: '"production"',
  BASE_API: '"https://easy-mock.com/mock/5950a2419adc231f356a6636/vue-admin"',
}

dev.env.js:

'use strict'
const merge = require('webpack-merge')
const prodEnv = require('./prod.env')

module.exports = merge(prodEnv, {
  NODE_ENV: '"development"',
  // BASE_API: '"https://easy-mock.com/mock/5950a2419adc231f356a6636/vue-admin"'
  BASE_API: '"http://localhost:9000"',
  OSS_PATH: '"https://grain-online-education.oss-cn-shenzhen.aliyuncs.com"'
})
  • src目录主要放置js,css,.vue页面文件。
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import request from '@/utils/request'

const api_name = '/chapter'

export default {

  getChapterAndVideoByCourseId(courseId) {
    return request({
      url: `${api_name}/${courseId}`,
      method: 'get'
    })
  },
  save(chapter) {
    return request({
      url: `${api_name}/save`,
      method: 'post',
      data: chapter
    })
  },
  getChapterById(id) {
    return request({
      url: `${api_name}/get/${id}`,
      method: 'get'
    })
  },
  updateById(chapter) {
    return request({
      url: `${api_name}/update`,
      method: 'put',
      data: chapter
    })
  },
  removeById(id) {
    return request({
      url: `${api_name}/${id}`,
      method: 'delete'
    })
  }
}

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<template>
  <el-breadcrumb class="app-breadcrumb" separator="/">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item,index) in levelList" v-if="item.meta.title" :key="item.path">
        <span v-if="item.redirect==='noredirect'||index==levelList.length-1" class="no-redirect">{{ item.meta.title }}</span>
        <a v-else @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script>
import pathToRegexp from 'path-to-regexp'

export default {
  data() {
    return {
      levelList: null
    }
  },
  watch: {
    $route() {
      this.getBreadcrumb()
    }
  },
  created() {
    this.getBreadcrumb()
  },
  methods: {
    getBreadcrumb() {
      let matched = this.$route.matched.filter(item => {
        if (item.name) {
          return true
        }
      })
      const first = matched[0]
      if (first && first.name !== 'dashboard') {
        matched = [{ path: '/dashboard', meta: { title: '首页' }}].concat(matched)
      }
      this.levelList = matched
    },
    pathCompile(path) {
      // To solve this problem https://github.com/PanJiaChen/vue-element-admin/issues/561
      const { params } = this.$route
      var toPath = pathToRegexp.compile(path)
      return toPath(params)
    },
    handleLink(item) {
      const { redirect, path } = item
      if (redirect) {
        this.$router.push(redirect)
        return
      }
      this.$router.push(this.pathCompile(path))
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
  .app-breadcrumb.el-breadcrumb {
    display: inline-block;
    font-size: 14px;
    line-height: 50px;
    margin-left: 10px;
    .no-redirect {
      color: #97a8be;
      cursor: text;
    }
  }
</style>

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放图标文件夹。

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import Vue from 'vue'
import Router from 'vue-router'

// in development-env not use lazy-loading, because lazy-loading too many pages will cause webpack hot update too slow. so only in production use lazy-loading;
// detail: https://panjiachen.github.io/vue-element-admin-site/#/lazy-loading

Vue.use(Router)

/* Layout */
import Layout from '../views/layout/Layout'

/**
* hidden: true                   if `hidden:true` will not show in the sidebar(default is false)
* alwaysShow: true               if set true, will always show the root menu, whatever its child routes length
*                                if not set alwaysShow, only more than one route under the children
*                                it will becomes nested mode, otherwise not show the root menu
* redirect: noredirect           if `redirect:noredirect` will no redirect in the breadcrumb
* name:'router-name'             the name is used by <keep-alive> (must set!!!)
* meta : {
    title: 'title'               the name show in submenu and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar,
  }
**/
export const constantRouterMap = [
  { path: '/login', component: () => import('@/views/login/index'), hidden: true },
  { path: '/404', component: () => import('@/views/404'), hidden: true },

  // 首页
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    name: 'Dashboard',
    children: [{
      path: 'dashboard',
      component: () => import('@/views/dashboard/index'),
      meta: { title: '谷粒学院后台首页', icon: 'dashboard' }
    }]
  },

  // 讲师管理
  {
    path: '/teacher',
    component: Layout,
    redirect: '/teacher/list',
    name: '讲师管理',
    meta: { title: '讲师管理', icon: 'users' },
    children: [
      {
        path: 'list',
        name: '讲师列表',
        component: () => import('@/views/teacher/list'),
        meta: { title: '讲师列表', icon: 'list' }
      },
      {
        path: 'add',
        name: '讲师新增',
        component: () => import('@/views/teacher/form'),
        meta: { title: '讲师新增', icon: 'addUser' }
      },
      {
        path: 'edit/:id', // :用来传递参数
        name: '讲师修改',
        component: () => import('@/views/teacher/form'),
        meta: { title: '讲师修改', icon: 'tree' },
        hidden: true
      }
    ]
  },

  // 课程分类管理
  {
    path: '/subject',
    component: Layout,
    redirect: '/subject/list',
    name: '课程分类管理',
    meta: { title: '课程分类管理', icon: 'classify_select' },
    children: [
      {
        path: 'list',
        name: '课程分类列表',
        component: () => import('@/views/subject/list'),
        meta: { title: '课程分类列表', icon: 'list' }
      },
      {
        path: 'import',
        name: '课程分类导入',
        component: () => import('@/views/subject/import'),
        meta: { title: '课程分类导入', icon: 'import' }
      }
    ]
  },

  // 课程管理
  {
    path: '/course',
    component: Layout,
    redirect: '/course/list',
    name: '课程管理',
    meta: { title: '课程管理', icon: 'manage' },
    children: [
      {
        path: 'list',
        name: '课程列表',
        component: () => import('@/views/course/list'),
        meta: { title: '课程列表', icon: 'list' }
      },
      {
        path: 'info',
        name: '发布课程',
        component: () => import('@/views/course/info'),
        meta: { title: '发布课程', icon: 'publish' }
      },
      {
        path: 'info/:id',
        name: 'EduCourseInfoEdit',
        component: () => import('@/views/course/info'),
        meta: { title: '编辑课程基本信息', noCache: true },
        hidden: true
      },
      {
        path: 'chapter/:id',
        name: 'EduCourseChapterEdit',
        component: () => import('@/views/course/chapter'),
        meta: { title: '编辑课程大纲', noCache: true },
        hidden: true
      },
      {
        path: 'publish/:id',
        name: 'EduCoursePublishEdit',
        component: () => import('@/views/course/publish'),
        meta: { title: '发布课程', noCache: true },
        hidden: true
      }

    ]
  },
  // 统计分析
  {
    path: '/statistics',
    component: Layout,
    redirect: '/statistics/chart',
    name: '统计分析',
    meta: { title: '统计分析', icon: 'chart' },
    children: [
      {
        path: 'create',
        name: '生成数据',
        component: () => import('@/views/statistics/create'),
        meta: { title: '生成数据', icon: 'data' }
      },
      {
        path: 'chart',
        name: '图表显示',
        component: () => import('@/views/statistics/chart'),
        meta: { title: '图表显示', icon: 'report' }
      }

    ]
  },

  { path: '*', redirect: '/404', hidden: true }
]

export default new Router({
  // mode: 'history', //后端支持可开
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRouterMap
})

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import { login, logout, getInfo } from '@/api/login'
import { getToken, setToken, removeToken } from '@/utils/auth'

const user = {
  state: {
    token: getToken(),
    name: '',
    avatar: '',
    roles: []
  },

  mutations: {
    SET_TOKEN: (state, token) => {
      state.token = token
    },
    SET_NAME: (state, name) => {
      state.name = name
    },
    SET_AVATAR: (state, avatar) => {
      state.avatar = avatar
    },
    SET_ROLES: (state, roles) => {
      state.roles = roles
    }
  },

  actions: {
    // 登录
    Login({ commit }, userInfo) {
      const username = userInfo.username.trim()
      return new Promise((resolve, reject) => {
        login(username, userInfo.password).then(response => {
          const data = response.data
          setToken(data.token)
          commit('SET_TOKEN', data.token)
          resolve()
        }).catch(error => {
          reject(error)
        })
      })
    },

    // 获取用户信息
    GetInfo({ commit, state }) {
      return new Promise((resolve, reject) => {
        getInfo(state.token).then(response => {
          const data = response.data
          if (data.roles && data.roles.length > 0) { // 验证返回的roles是否是一个非空数组
            commit('SET_ROLES', data.roles)
          } else {
            reject('getInfo: roles must be a non-null array !')
          }
          commit('SET_NAME', data.name)
          commit('SET_AVATAR', data.avatar)
          resolve(response)
        }).catch(error => {
          reject(error)
        })
      })
    },

    // 登出
    LogOut({ commit, state }) {
      return new Promise((resolve, reject) => {
        logout(state.token).then(() => {
          commit('SET_TOKEN', '')
          commit('SET_ROLES', [])
          removeToken()
          resolve()
        }).catch(error => {
          reject(error)
        })
      })
    },

    // 前端 登出
    FedLogOut({ commit }) {
      return new Promise(resolve => {
        commit('SET_TOKEN', '')
        removeToken()
        resolve()
      })
    }
  }
}

export default user

其实就是触发事件,当state为某个值时,先在mutations中赋值,然后最后执行下面的commit事件。

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