vue-d2admin前端axio異步請求詳情

vue-d2admin前端axio異步請求詳情

• d2admin>src>api>sys.login.js 設計axio api

import request from '@/plugin/axios'

export function AccountLogin (data) {
  return request({
    url: '/login',
    method: 'post',
    data
  })
}

• d2admin>src>store>d2admin>modules>account.js 建立使用API模塊

import { Message, MessageBox } from 'element-ui'
import util from '@/libs/util.js'
import router from '@/router'
import { AccountLogin } from '@api/sys.login'

export default {
  namespaced: true,
  actions: {
    /**
     * @description 登陸
     * @param {Object} param context
     * @param {Object} param username {String} 用戶帳號
     * @param {Object} param password {String} 密碼
     * @param {Object} param route {Object} 登陸成功後定向的路由對象 任何 vue-router 支持的格式
     */
    login ({ dispatch }, {
      username = '',
      password = ''
    } = {}) {
      return new Promise((resolve, reject) => {
        // 開始請求登陸接口
        AccountLogin({
          username,
          password
        })
          .then(async res => {
            // 設置 cookie 必定要存 uuid 和 token 兩個 cookie
            // 整個系統依賴這兩個數據進行校驗和存儲
            // uuid 是用戶身份惟一標識 用戶註冊的時候肯定 而且不可改變 不可重複
            // token 表明用戶當前登陸狀態 建議在網絡請求中攜帶 token
            // 若有必要 token 須要定時更新，默認保存一天
            util.cookies.set('uuid', res.uuid)
            util.cookies.set('token', res.token)
            // 設置 vuex 用戶信息
            await dispatch('d2admin/user/set', {
              name: res.name
            }, { root: true })
            // 用戶登陸後從持久化數據加載一系列的設置
            await dispatch('load')
            // 結束
            resolve()
          })
          .catch(err => {
            console.log('err: ', err)
            reject(err)
          })
      })
    },
    /**
     * @description 註銷用戶並返回登陸頁面
     * @param {Object} param context
     * @param {Object} param confirm {Boolean} 是否須要確認
     */
    logout ({ commit, dispatch }, { confirm = false } = {}) {
      /**
       * @description 註銷
       */
      async function logout () {
        // 刪除cookie
        util.cookies.remove('token')
        util.cookies.remove('uuid')
        // 清空 vuex 用戶信息
        await dispatch('d2admin/user/set', {}, { root: true })
        // 跳轉路由
        router.push({
          name: 'login'
        })
      }
      // 判斷是否須要確認
      if (confirm) {
        commit('d2admin/gray/set', true, { root: true })
        MessageBox.confirm('註銷當前帳戶嗎?  打開的標籤頁和用戶設置將會被保存。', '確認操做', {
          confirmButtonText: '肯定註銷',
          cancelButtonText: '放棄',
          type: 'warning'
        })
          .then(() => {
            commit('d2admin/gray/set', false, { root: true })
            logout()
          })
          .catch(() => {
            commit('d2admin/gray/set', false, { root: true })
            Message({
              message: '放棄註銷用戶'
            })
          })
      } else {
        logout()
      }
    },
    /**
     * @description 用戶登陸後從持久化數據加載一系列的設置
     * @param {Object} state vuex state
     */
    load ({ dispatch }) {
      return new Promise(async resolve => {
        // DB -> store 加載用戶名
        await dispatch('d2admin/user/load', null, { root: true })
        // DB -> store 加載主題
        await dispatch('d2admin/theme/load', null, { root: true })
        // DB -> store 加載頁面過渡效果設置
        await dispatch('d2admin/transition/load', null, { root: true })
        // DB -> store 持久化數據加載上次退出時的多頁列表
        await dispatch('d2admin/page/openedLoad', null, { root: true })
        // DB -> store 持久化數據加載側邊欄摺疊狀態
        await dispatch('d2admin/menu/asideCollapseLoad', null, { root: true })
        // DB -> store 持久化數據加載全局尺寸
        await dispatch('d2admin/size/load', null, { root: true })
        // end
        resolve()
      })
    }
  }
}

• d2admin>src>views>system>login>page.vue 經過模塊調用API使用axio

methods: {
    ...mapActions('d2admin/account', [
      'login'
    ]),

<template>
  <div class="page-login">
    <div class="page-login--layer page-login--layer-area">
      <ul class="circles">
        <li v-for="n in 10" :key="n"></li>
      </ul>
    </div>
    <div
      class="page-login--layer page-login--layer-time"
      flex="main:center cross:center">
      {{time}}
    </div>
    <div class="page-login--layer">
      <div
        class="page-login--content"
        flex="dir:top main:justify cross:center box:justify">
        <div class="page-login--content-header">
          <p class="page-login--content-header-motto">
            時間是一切財富中最寶貴的財富。 <span>—— 德奧弗拉斯多</span>
          </p>
        </div>
        <div
          class="page-login--content-main"
          flex="dir:top main:center cross:center">
          <!-- logo -->
          <img class="page-login--logo" src="./image/logo@2x.png">
          <!-- 表單 -->
          <div class="page-login--form">
            <el-card shadow="never">
              <el-form ref="loginForm" label-position="top" :rules="rules" :model="formLogin" size="default">
                <el-form-item prop="username">
                  <el-input type="text" v-model="formLogin.username" placeholder="用戶名">
                    <i slot="prepend" class="fa fa-user-circle-o"></i>
                  </el-input>
                </el-form-item>
                <el-form-item prop="password">
                  <el-input type="password" v-model="formLogin.password" placeholder="密碼">
                    <i slot="prepend" class="fa fa-keyboard-o"></i>
                  </el-input>
                </el-form-item>
                <el-form-item prop="code">
                  <el-input type="text" v-model="formLogin.code" placeholder="- - - -">
                    <template slot="prepend">驗證碼</template>
                    <template slot="append">
                      <img class="login-code" src="./image/login-code.png">
                    </template>
                  </el-input>
                </el-form-item>
                <el-button size="default" @click="submit" type="primary" class="button-login">登陸</el-button>
              </el-form>
            </el-card>
            <p
              class="page-login--options"
              flex="main:justify cross:center">
              <span><d2-icon name="question-circle"/> 忘記密碼</span>
              <span>註冊用戶</span>
            </p>
            <!-- 快速登陸按鈕 -->
            <el-button class="page-login--quick" size="default" type="info" @click="dialogVisible = true">
              快速選擇用戶（測試功能）
            </el-button>
          </div>
        </div>
        <div class="page-login--content-footer">
          <p class="page-login--content-footer-options">
            <a href="#">幫助</a>
            <a href="#">隱私</a>
            <a href="#">條款</a>
          </p>
          <p class="page-login--content-footer-copyright">
            Copyright <d2-icon name="copyright"/> 2018 D2 Projects 開源組織出品 <a href="https://github.com/FairyEver">@FairyEver</a>
          </p>
        </div>
      </div>
    </div>
    <el-dialog
      title="快速選擇用戶"
      :visible.sync="dialogVisible"
      width="400px">
      <el-row :gutter="10" style="margin: -20px 0px -10px 0px;">
        <el-col v-for="(user, index) in users" :key="index" :span="8">
          <div class="page-login--quick-user" @click="handleUserBtnClick(user)">
            <d2-icon name="user-circle-o"/>
            <span>{{user.name}}</span>
          </div>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import dayjs from 'dayjs'
import { mapActions } from 'vuex'
export default {
  data () {
    return {
      timeInterval: null,
      time: dayjs().format('HH:mm:ss'),
      // 快速選擇用戶
      dialogVisible: false,
      users: [
        {
          name: '管理員',
          username: 'admin',
          password: 'admin'
        },
        {
          name: '編輯',
          username: 'editor',
          password: 'editor'
        },
        {
          name: '用戶1',
          username: 'user1',
          password: 'user1'
        }
      ],
      // 表單
      formLogin: {
        username: 'admin',
        password: 'admin',
        code: 'v9am'
      },
      // 校驗
      rules: {
        username: [
          { required: true, message: '請輸入用戶名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '請輸入密碼', trigger: 'blur' }
        ],
        code: [
          { required: true, message: '請輸入驗證碼', trigger: 'blur' }
        ]
      }
    }
  },
  mounted () {
    this.timeInterval = setInterval(() => {
      this.refreshTime()
    }, 1000)
  },
  beforeDestroy () {
    clearInterval(this.timeInterval)
  },
  methods: {
    ...mapActions('d2admin/account', [
      'login'
    ]),
    refreshTime () {
      this.time = dayjs().format('HH:mm:ss')
    },
    /**
     * @description 接收選擇一個用戶快速登陸的事件
     * @param {Object} user 用戶信息
     */
    handleUserBtnClick (user) {
      this.formLogin.username = user.username
      this.formLogin.password = user.password
      this.submit()
    },
    /**
     * @description 提交表單
     */
    // 提交登陸信息
    submit () {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          // 登陸
          // 注意 這裏的演示沒有傳驗證碼
          // 具體須要傳遞的數據請自行修改代碼
          this.login({
            username: this.formLogin.username,
            password: this.formLogin.password
          })
            .then(() => {
              // 重定向對象不存在則返回頂層路徑
              this.$router.replace(this.$route.query.redirect || '/')
            })
        } else {
          // 登陸表單校驗失敗
          this.$message.error('表單校驗失敗')
        }
      })
    }
  }
}
</script>

<style lang="scss">
.page-login {
  @extend %unable-select;
  $backgroundColor: #F0F2F5;
  // ---
  background-color: $backgroundColor;
  height: 100%;
  position: relative;
  // 層
  .page-login--layer {
    @extend %full;
    overflow: auto;
  }
  .page-login--layer-area {
    overflow: hidden;
  }
  // 時間
  .page-login--layer-time {
    font-size: 24em;
    font-weight: bold;
    color: rgba(0, 0, 0, 0.03);
    overflow: hidden;
  }
  // 登錄頁面控件的容器
  .page-login--content {
    height: 100%;
    min-height: 500px;
  }
  // header
  .page-login--content-header {
    padding: 1em 0;
    .page-login--content-header-motto {
      margin: 0px;
      padding: 0px;
      color: $color-text-normal;
      text-align: center;
      font-size: 12px;
      span {
        color: $color-text-sub;
      }
    }
  }
  // main
  .page-login--logo {
    width: 240px;
    margin-bottom: 2em;
    margin-top: -2em;
  }
  // 登陸表單
  .page-login--form {
    width: 280px;
    // 卡片
    .el-card {
      margin-bottom: 15px;
    }
    // 登陸按鈕
    .button-login {
      width: 100%;
    }
    // 輸入框左邊的圖表區域縮窄
    .el-input-group__prepend {
      padding: 0px 14px;
    }
    .login-code {
      height: 40px - 2px;
      display: block;
      margin: 0px -20px;
      border-top-right-radius: 2px;
      border-bottom-right-radius: 2px;
    }
    // 登錄選項
    .page-login--options {
      margin: 0px;
      padding: 0px;
      font-size: 14px;
      color: $color-primary;
      margin-bottom: 15px;
      font-weight: bold;
    }
    .page-login--quick {
      width: 100%;
    }
  }
  // 快速選擇用戶面板
  .page-login--quick-user {
    @extend %flex-center-col;
    padding: 10px 0px;
    border-radius: 4px;
    &:hover {
      background-color: $color-bg;
      i {
        color: $color-text-normal;
      }
      span {
        color: $color-text-normal;
      }
    }
    i {
      font-size: 36px;
      color: $color-text-sub;
    }
    span {
      font-size: 12px;
      margin-top: 10px;
      color: $color-text-sub;
    }
  }
  // footer
  .page-login--content-footer {
    padding: 1em 0;
    .page-login--content-footer-options {
      padding: 0px;
      margin: 0px;
      margin-bottom: 10px;
      font-size: 14px;
      text-align: center;
      a {
        color: $color-text-normal;
        margin: 0 1em;
      }
    }
    .page-login--content-footer-copyright {
      padding: 0px;
      margin: 0px;
      font-size: 12px;
      color: $color-text-normal;
      a {
        color: $color-text-normal;
      }
    }
  }
  // 背景
  .circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    li {
      position: absolute;
      display: block;
      list-style: none;
      width: 20px;
      height: 20px;
      background: #FFF;
      animation: animate 25s linear infinite;
      bottom: -200px;
      @keyframes animate {
        0%{
          transform: translateY(0) rotate(0deg);
          opacity: 1;
          border-radius: 0;
        }
        100%{
          transform: translateY(-1000px) rotate(720deg);
          opacity: 0;
          border-radius: 50%;
        }
      }
      &:nth-child(1) {
        left: 15%;
        width: 80px;
        height: 80px;
        animation-delay: 0s;
      }
      &:nth-child(2) {
        left: 5%;
        width: 20px;
        height: 20px;
        animation-delay: 2s;
        animation-duration: 12s;
      }
      &:nth-child(3) {
        left: 70%;
        width: 20px;
        height: 20px;
        animation-delay: 4s;
      }
      &:nth-child(4) {
        left: 40%;
        width: 60px;
        height: 60px;
        animation-delay: 0s;
        animation-duration: 18s;
      }
      &:nth-child(5) {
        left: 65%;
        width: 20px;
        height: 20px;
        animation-delay: 0s;
      }
      &:nth-child(6) {
        left: 75%;
        width: 150px;
        height: 150px;
        animation-delay: 3s;
      }
      &:nth-child(7) {
        left: 35%;
        width: 200px;
        height: 200px;
        animation-delay: 7s;
      }
      &:nth-child(8) {
        left: 50%;
        width: 25px;
        height: 25px;
        animation-delay: 15s;
        animation-duration: 45s;
      }
      &:nth-child(9) {
        left: 20%;
        width: 15px;
        height: 15px;
        animation-delay: 2s;
        animation-duration: 35s;
      }
      &:nth-child(10) {
        left: 85%;
        width: 150px;
        height: 150px;
        animation-delay: 0s;
        animation-duration: 11s;
      }
    }
  }
}
</style>

跨域問題，在vue.config.js裏面配置

https://cli.vuejs.org/zh/config/#devserver-proxy