Vue權限管理開發實戰2-安裝vue-router和創建登錄頁

1.安裝vue-router

npm install vue-router --save

2.創建views目錄和Login.vue

3.登錄頁代碼

<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
      <h3 class="login-title">歡迎登錄</h3>
      <el-form-item label="賬號" prop="username">
        <el-input type="text" placeholder="請輸入賬號" v-model="form.username"/>
      </el-form-item>
      <el-form-item label="密碼" prop="password">
        <el-input type="password" placeholder="請輸入密碼" v-model="form.password"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit('loginForm')">登錄</el-button>
      </el-form-item>
    </el-form>

    <el-dialog
      title="溫馨提示"
      :visible.sync="dialogVisible"
      width="30%"
      :before-close="handleClose">
      <span>請輸入賬號和密碼</span>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogVisible = false">確 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    name: "Login",
    data() {
      return {
        form: {
          username: '',
          password: ''
        },

        // 表單驗證，需要在 el-form-item 元素中增加 prop 屬性
        rules: {
          username: [
            {required: true, message: '賬號不可爲空', trigger: 'blur'}
          ],
          password: [
            {required: true, message: '密碼不可爲空', trigger: 'blur'}
          ]
        },

        // 對話框顯示和隱藏
        dialogVisible: false
      }
    },
    methods: {
      onSubmit(formName) {
        // 爲表單綁定驗證功能
        this.$refs[formName].validate((valid) => {
          if (valid) {
            // 使用 vue-router 路由到指定頁面，該方式稱之爲編程式導航
            this.$router.push("/main");
          } else {
            this.dialogVisible = true;
            return false;
          }
        });
      }
    }
  }
</script>

<style lang="scss" scoped>
  .login-box {
    border: 1px solid #DCDFE6;
    width: 350px;
    margin: 180px auto;
    padding: 35px 35px 15px 35px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    box-shadow: 0 0 25px #909399;
  }

  .login-title {
    text-align: center;
    margin: 0 auto 40px auto;
    color: #303133;
  }
</style>

4.創建router目錄，在router目錄下創建index.js，用於配置路由

5.router下的index.js代碼

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

import Login from "../views/Login"

Vue.use(Router);

export default new Router({
  routes: [
    {
      // 登錄頁
      path: '/login',
      name: 'Login',
      component: Login
    }
  ]
});

6.修改入口代碼，main.js

import Vue from 'vue'
import VueRouter from 'vue-router'
import router from './router'

// 導入 ElementUI
import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'

import App from './App'

// 安裝路由
Vue.use(VueRouter);

// 安裝 ElementUI
Vue.use(ElementUI);

new Vue({
  el: '#app',
  // 啓用路由
  router,
  // 啓用 ElementUI
  render: h => h(App)
});

6.修改App.vue組件代碼

<template>
  <div id="app">
    <router-view/>
  </div>
</template>

<script>
  export default {
    name: 'App',
  }
</script>

7.啓動項目，查看效果

npm run serve

8.創建首頁，用於登錄後跳轉

9.修改路徑，添加Main

9.運行測試效果,注意路徑是http://localhost:8081/#/login/，不是http://localhost:8081/login/，後面研究下怎麼刪除#

完整前後臺代碼託管在gitee上，地址 https://gitee.com/gintone/Guard