【Element-UI】Mock.js,案例首页导航、左侧菜单

一.Mock.js

1、什么是Mock.js

Mock.js是一个用于生成模拟数据的JavaScript库。它能够模拟后端API接口,用于前端开发时进行接口调试和测试提高自动化测试效率。使用Mock.js可以快速创建虚拟的数据,并且可以设置数据的类型、格式和规则,从而模拟真实的数据响应。Mock.js支持生成随机数据、拦截Ajax请求以返回模拟数据、支持RESTful API风格等功能,能够提高前端开发效率,并且减少对后端接口的依赖。


数据类型丰富:支持生成随机的文本、数字、布尔值、日期、邮箱、链接、图片、颜色等。
拦截Ajax请求:不需要修改既有代码,就可以拦截Ajax请求,返回模拟的响应数据。
 

更多内容请查看Mock.js 官网

 2、安装配置

1、安装

在你的项目的路径CMD窗口下载Mock.js。

npm i mockjs -D

-D表示只在开发环境中使用

在我们的package.json里面可以看到我们下载的mock.js


2、引入  

为了只在开发环境使用mock,而打包到生产环境时自动不使用mock,我们可以在config目录中的dev.env.jsprod.env.js做一个配置

dev.env.js
'use strict'
const merge = require('webpack-merge')
const prodEnv = require('./prod.env')
 
module.exports = merge(prodEnv, {
  NODE_ENV: '"development"',
  MOCK: 'true'
})

prod.env.js

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'use strict'
module.exports = {
  NODE_ENV: '"production"',
  MOCK: 'false'
}

最后我们在main.js里面导入

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
//开发环境下才会引入mockjs
process.env.MOCK && require('@/mock')
// 新添加1
import ElementUI from 'element-ui'
// 新添加2,避免后期打包样式不同,要放在import App from './App';之前
import 'element-ui/lib/theme-chalk/index.css'
 
import App from './App'
import router from './router'
 
// 新添加3----实例进行一个挂载
Vue.use(ElementUI)
Vue.config.productionTip = false
 
import axios from '@/api/http'
import VueAxios from 'vue-axios'
 
Vue.use(VueAxios, axios)
 
/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  components: {App},
  template: '<App/>'
})

2、Mock.js的使用

1、定义测试数据文件

为每个*.vue定义单独的xxx-mock.js文件,并在其中添加自定义的json数据,还可以通过mockjs的模块生成随机数据信息动态测试ajax请求效果

创建src/mock/json目录,定义登录测试数据文件login-mock.js

// const loginInfo = {
// 	code: -1,
// 	message: '密码错误'
// }
 
//使用mockjs的模板生成随机数据
const loginInfo = {
	'code|-1-0': 0,
	'message|3-10': 'msg'
}
export default loginInfo;
2、mock拦截ajax请求

在src/mock目录下创建index.js,定义拦截路由配置


import Mock from 'mockjs' //引入mockjs,npm已安装
import action from '@/api/action' //引入请求地址
 
//全局设置:设置所有ajax请求的超时时间,模拟网络传输耗时
Mock.setup({
	// timeout: 400  //延时400s请求到数据
	timeout: 200 - 400 //延时200-400s请求到数据
})
 
//引登陆的测试数据,并添加至mockjs
import loginInfo from '@/mock/json/login-mock.js'
let s1 = action.getFullPath('SYSTEM_USER_DOLOGIN')
Mock.mock(s1, "post", loginInfo)
// Mock.mock(s1, /post|get/i, loginInfo)
3、模拟测试

使用登录页面模拟测试
 

<template>
  <div class="Login">
    <el-form class="login-container">
      <h1 class="title">用户登录</h1>
      <el-form-item label="">
        <el-input type="text" v-model="username" placeholder="登录账号" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="">
        <el-input type="password" v-model="password" placeholder="登录密码" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button>
      </el-form-item>
      <el-row style="text-align: center;margin-top:-10px">
        <el-link type="primary">忘记密码</el-link>
        <el-link type="primary" @click="gotoRegister()">用户注册</el-link>
      </el-row>
    </el-form>
  </div>
</template>
<script>
 
export default {
  name: "Login",
  data() {
    return {
      username: "",
      password: ""
    }
  },
  methods: {
    gotoRegister() {
      this.$router.push("/Register");
    },
    //提交事件
    doSubmit() {
      //设置登录访问地址
      let url = this.axios.urls.SYSTEM_USER_DOLOGIN;
      // 使用json格式进行传值
      let params = {
        username: this.username,
        password: this.password
      }
      this.axios.post(url, params).then(r => {
        console.log(r);
        this.$message({
          message: r.data.message,
          type: r.data.code == 0?'success': 'error'
        });
 
      }).catch(e => {
      });
 
    }
 
  }
}
</script>
 
<style scoped>
.login-wrap {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-top: 10%;
  background-image: url(https://pic4.zhimg.com/v2-c5880f5a6d44766feb085c3ae94899c7_r.jpg);
//background-image: url();
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100%;
}
 
.login-container {
  border-radius: 10px;
  margin: 0px auto;
  width: 350px;
  padding: 30px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  text-align: left;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
}
 
.title {
  margin: 0px auto 40px auto;
  text-align: center;
  color: #505458;
}
</style>

 

 

二、首页导航、左侧菜单 

 1、页面搭建

在我们的components的公共文件夹里面写我们的公共页面

AppMain.vue:布局容器组件
LeftAside.vue:左侧菜单组件
TopNav.vue:首页导航组件
根据vue组件之间传递数据实现element-ui的NavMenu菜单折叠、展开效果。

子组件往父组件传递数据(this.$emit):TopNav -> AppMain
父组件往子组件传递数据(props):AppMain -> LeftAside

1.1、图标定义

图标可以根据自己的风格来,我这里也提供在下面了,自己也可以进行更改。 

1.2、AppMain.vue

<template>
  <el-container class="main-container">
    <el-aside v-bind:class="asideClass">
      <LeftNav></LeftNav>
    </el-aside>
    <el-container>
      <el-header class="main-header">
        <TopNav></TopNav>
      </el-header>
      <el-main class="main-center">这是一个非常帅的主页</el-main>
    </el-container>
  </el-container>
</template>
 
<script>
// 导入组件
import TopNav from '@/components/TopNav.vue'
import LeftNav from '@/components/LeftNav.vue'
 
// 导出模块
export default {
  
};
</script>
<style scoped>
.main-container {
  height: 100%;
  width: 100%;
  box-sizing: border-box;
}
 
.main-aside-collapsed {
  /* 在CSS中,通过对某一样式声明! important ,可以更改默认的CSS样式优先级规则,使该条样式属性声明具有最高优先级 */
  width: 64px !important;
  height: 100%;
  background-color: #334157;
  margin: 0px;
}
 
.main-aside {
  width: 240px !important;
  height: 100%;
  background-color: #334157;
  margin: 0px;
}
 
.main-header,
.main-center {
  padding: 0px;
  border-left: 2px solid #333;
}
</style>

 1.3、LeftNav.vue

<template>
  <el-menu default-active="2" class="el-menu-vertical-demo" background-color="#334157"
           text-color="#fff" active-text-color="#ffd04b" :collapse="collapsed">
    <div class="logobox">
      <img class="logoimg" src="../assets/img/logo.png" alt="">
    </div>
    <el-submenu index="1">
      <template slot="title">
        <i class="el-icon-location"></i>
        <span>导航一</span>
      </template>
      <el-menu-item-group>
        <template slot="title">分组一</template>
        <el-menu-item index="1-1">选项1</el-menu-item>
        <el-menu-item index="1-2">选项2</el-menu-item>
      </el-menu-item-group>
      <el-menu-item-group title="分组2">
        <el-menu-item index="1-3">选项3</el-menu-item>
      </el-menu-item-group>
      <el-submenu index="1-4">
        <template slot="title">选项4</template>
        <el-menu-item index="1-4-1">选项1</el-menu-item>
      </el-submenu>
    </el-submenu>
    <el-menu-item index="2">
      <i class="el-icon-menu"></i>
      <span slot="title">导航二</span>
    </el-menu-item>
    <el-menu-item index="3" disabled>
      <i class="el-icon-document"></i>
      <span slot="title">导航三</span>
    </el-menu-item>
    <el-menu-item index="4">
      <i class="el-icon-setting"></i>
      <span slot="title">导航四</span>
    </el-menu-item>
  </el-menu>
</template>
<script>
export default {
 
}
</script>
<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 240px;
  min-height: 400px;
}
 
.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
  text-align: left;
}
 
.el-menu-item-group__title {
  padding: 0px;
}
 
.el-menu-bg {
  background-color: #1f2d3d !important;
}
 
.el-menu {
  border: none;
}
 
.logobox {
  height: 40px;
  line-height: 40px;
  color: #9d9d9d;
  font-size: 20px;
  text-align: center;
  padding: 20px 0px;
}
 
.logoimg {
  height: 40px;
}
</style>

1.4、TopNav.vue

<template>
  <el-menu class="el-menu-demo" mode="horizontal" background-color="#334157" text-color="#fff" active-text-color="#fff">
    <el-button class="buttonimg">
      <img class="showimg" :src="collapsed?imgshow:imgsq" @click="doToggle()">
    </el-button>
    <el-submenu index="2" class="submenu">
      <template slot="title">超级管理员</template>
      <el-menu-item index="2-1">设置</el-menu-item>
      <el-menu-item index="2-2">个人中心</el-menu-item>
      <el-menu-item @click="exit()" index="2-3">退出</el-menu-item>
    </el-submenu>
  </el-menu>
</template>
 
<script>
export default {
  data() {
    return {
      collapsed: false,
      imgshow: require('@/assets/img/show.png'),
      imgsq: require('@/assets/img/sq.png')
    }
  }, methods: {
    
  }
}
</script>
 
<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
}
 
.submenu {
  float: right;
}
 
.buttonimg {
  height: 60px;
  background-color: transparent;
  border: none;
}
 
.showimg {
  width: 26px;
  height: 26px;
  position: absolute;
  top: 17px;
  left: 17px;
}
 
.showimg:active {
  border: none;
}
</style>

 1.5、index.js

在index,js里面进行路由配置

import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import Login from '@/views/Login'
import Register from '@/views/Register'
import AppMain from '@/components/AppMain'
import LeftNav from '@/components/LeftNav'
import TopNav from '@/components/TopNav'
 
 
Vue.use(Router)
 
export default new Router({
  routes: [
    {
      path: '/Login',
      name: 'Login',
      component: Login
    },
    {
      path: '/Register',
      name: 'Register',
      component: Register
    },
    {
      path: '/AppMain',
      name: 'AppMain',
      component: AppMain,
      children: [{
        path: '/LeftNav',
        name: 'LeftNav',
        component: LeftNav
      },
        {
          path: '/TopNav',
          name: 'TopNav',
          component: TopNav
        }]
    }
  ]
})

2、功能实现 

 2.1、AppMain.vue

// 导出模块
export default {
  //把顶部导航和左边导航进行绑定在main
  components: {
    TopNav, LeftNav
  },
  data() {
    return {
      asideClass: 'main-aside'
    }
  },
  created() {
    this.$root.Bus.$on('sjm', v => {
      this.asideClass = v ? 'main-aside-collapsed' : 'main-aside';
    });
  }
};

 2.2、LeftNav.vue

 
export default {
  data() {
    return {
      collapsed: false
    }
  },
  created() {
    this.$root.Bus.$on('sjm', v => {
      this.collapsed = v;
    });
  }
}

 2.3、TopNav.vue

 
export default {
  data() {
    return {
      collapsed: false,
      imgshow: require('@/assets/img/show.png'),
      imgsq: require('@/assets/img/sq.png')
    }
  }, methods: {
    //图标的切换
    doToggle() {
      this.collapsed = !this.collapsed;
      //定义一个事件名,将是否折叠变量放入总线
      this.$root.Bus.$emit('sjm', this.collapsed)
    },
    exit() {
      this.$router.push('/Login');
    }
  }
}

 2.4、main.js

  data() {
    return {
      Bus: new Vue()
    }
  }

3、完整代码

3.1、AppMain.vue
<template>
  <el-container class="main-container">
    <el-aside v-bind:class="asideClass">
      <LeftNav></LeftNav>
    </el-aside>
    <el-container>
      <el-header class="main-header">
        <TopNav></TopNav>
      </el-header>
      <el-main class="main-center">这是一个非常帅的主页</el-main>
    </el-container>
  </el-container>
</template>
 
<script>
// 导入组件
import TopNav from '@/components/TopNav.vue'
import LeftNav from '@/components/LeftNav.vue'
 
// 导出模块
export default {
  //把顶部导航和左边导航进行绑定在main
  components: {
    TopNav, LeftNav
  },
  data() {
    return {
      asideClass: 'main-aside'
    }
  },
  created() {
    this.$root.Bus.$on('sjm', v => {
      this.asideClass = v ? 'main-aside-collapsed' : 'main-aside';
    });
  }
};
</script>
<style scoped>
.main-container {
  height: 100%;
  width: 100%;
  box-sizing: border-box;
}
 
.main-aside-collapsed {
  /* 在CSS中,通过对某一样式声明! important ,可以更改默认的CSS样式优先级规则,使该条样式属性声明具有最高优先级 */
  width: 64px !important;
  height: 100%;
  background-color: #334157;
  margin: 0px;
}
 
.main-aside {
  width: 240px !important;
  height: 100%;
  background-color: #334157;
  margin: 0px;
}
 
.main-header,
.main-center {
  padding: 0px;
  border-left: 2px solid #333;
}
</style>

 3.2、LeftNav.vue

<template>
  <el-menu default-active="2" class="el-menu-vertical-demo" background-color="#334157"
           text-color="#fff" active-text-color="#ffd04b" :collapse="collapsed">
    <div class="logobox">
      <img class="logoimg" src="../assets/img/logo.png" alt="">
    </div>
    <el-submenu index="1">
      <template slot="title">
        <i class="el-icon-location"></i>
        <span>导航一</span>
      </template>
      <el-menu-item-group>
        <template slot="title">分组一</template>
        <el-menu-item index="1-1">选项1</el-menu-item>
        <el-menu-item index="1-2">选项2</el-menu-item>
      </el-menu-item-group>
      <el-menu-item-group title="分组2">
        <el-menu-item index="1-3">选项3</el-menu-item>
      </el-menu-item-group>
      <el-submenu index="1-4">
        <template slot="title">选项4</template>
        <el-menu-item index="1-4-1">选项1</el-menu-item>
      </el-submenu>
    </el-submenu>
    <el-menu-item index="2">
      <i class="el-icon-menu"></i>
      <span slot="title">导航二</span>
    </el-menu-item>
    <el-menu-item index="3" disabled>
      <i class="el-icon-document"></i>
      <span slot="title">导航三</span>
    </el-menu-item>
    <el-menu-item index="4">
      <i class="el-icon-setting"></i>
      <span slot="title">导航四</span>
    </el-menu-item>
  </el-menu>
</template>
<script>
export default {
  data() {
    return {
      collapsed: false
    }
  },
  created() {
    this.$root.Bus.$on('sjm', v => {
      this.collapsed = v;
    });
  }
}
</script>
<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 240px;
  min-height: 400px;
}
 
.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
  text-align: left;
}
 
.el-menu-item-group__title {
  padding: 0px;
}
 
.el-menu-bg {
  background-color: #1f2d3d !important;
}
 
.el-menu {
  border: none;
}
 
.logobox {
  height: 40px;
  line-height: 40px;
  color: #9d9d9d;
  font-size: 20px;
  text-align: center;
  padding: 20px 0px;
}
 
.logoimg {
  height: 40px;
}
</style>
3.3、TopNav.vue
<template>
  <el-menu class="el-menu-demo" mode="horizontal" background-color="#334157" text-color="#fff" active-text-color="#fff">
    <el-button class="buttonimg">
      <img class="showimg" :src="collapsed?imgshow:imgsq" @click="doToggle()">
    </el-button>
    <el-submenu index="2" class="submenu">
      <template slot="title">超级管理员</template>
      <el-menu-item index="2-1">设置</el-menu-item>
      <el-menu-item index="2-2">个人中心</el-menu-item>
      <el-menu-item @click="exit()" index="2-3">退出</el-menu-item>
    </el-submenu>
  </el-menu>
</template>
 
<script>
export default {
  data() {
    return {
      collapsed: false,
      imgshow: require('@/assets/img/show.png'),
      imgsq: require('@/assets/img/sq.png')
    }
  }, methods: {
    //图标的切换
    doToggle() {
      this.collapsed = !this.collapsed;
      //定义一个事件名,将是否折叠变量放入总线
      this.$root.Bus.$emit('sjm', this.collapsed)
    },
    exit() {
      this.$router.push('/Login');
    }
  }
}
</script>
 
<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
}
 
.submenu {
  float: right;
}
 
.buttonimg {
  height: 60px;
  background-color: transparent;
  border: none;
}
 
.showimg {
  width: 26px;
  height: 26px;
  position: absolute;
  top: 17px;
  left: 17px;
}
 
.showimg:active {
  border: none;
}
</style>
3.4、main.js
// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
//开发环境下才会引入mockjs
process.env.MOCK && require('@/mock')
// 新添加1
import ElementUI from 'element-ui'
// 新添加2,避免后期打包样式不同,要放在import App from './App';之前
import 'element-ui/lib/theme-chalk/index.css'
 
import App from './App'
import router from './router'
 
// 新添加3----实例进行一个挂载
Vue.use(ElementUI)
Vue.config.productionTip = false
 
import axios from '@/api/http'
import VueAxios from 'vue-axios'
 
Vue.use(VueAxios, axios)
 
/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  //定义变量
  data() {
    return {
      Bus: new Vue()
    }
  },
  components: {App},
  template: '<App/>'
})

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转载自blog.csdn.net/weixin_72997875/article/details/133301386