SPA项目开发之登陆注册的跳转功能以及首页导航+左侧菜单

前言

上一章实现了登陆功能,但是未跳转,这章实现跳转以及首页导航和左侧菜单。

1. 介绍Mock.js

  • Mock.js是一个模拟数据的生成器,用来帮助前端调试开发、进行前后端的原型分离以及用来提高自动化测试效率。

  • 众所周知Mock.js因为两个重要的特性风靡前端:
    1.数据类型丰富

    2.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。
    3.拦截Ajax请求
    4.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,可以云Mockjs官方查看“http://mockjs.com/

注1:easy-mock,一个在线模拟后台的数据平台

2. Mock.js使用步骤

2.1 安装mockjs依赖

  npm install mockjs -D              只在开发环境使用

在这里插入图片描述
下载完后会显示在package.json文件中,进行引用。
在这里插入图片描述
2.2 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env中做一个配置。
在这里插入图片描述
**(1) 在dev.env中添加 MOCK: ‘true’ **

 module.exports = merge(prodEnv, {
	NODE_ENV: '"development"',
  	MOCK: 'true'
      })

**(2) 在prod.env中添加 MOCK: ‘false’ **

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

(3)在main.js中引入mock.js

process.env.MOCK && require('@/mock')

在这里插入图片描述
注1:import是ES6标准中的模块化解决方案,require是node中遵循CommonJS规范的模块化解决方案后者支持动态引入,也就require(${path}/xx.js)

2.3 目录和文件创建

  • 在src目录下创建mock目录,定义mock主文件index.js,并在该文件中定义拦截路由配置, /src/mock/index.js
  • 导入公共模块及mockjs全局设置
import Mock from 'mockjs' //引入mockjs,npm已安装
import action from '@/api/action' //引入封装的请求地址
  • 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
      })

注1:index.js文件的作用很显然,就是将分散的xxx-mock文件集合起来.后面再添加新的mock文件,都需要在这里引入

mock/index.js总代码:

import Mock from 'mockjs' //引入mockjs,npm已安装
import action from '@/api/action' //引入封装的请求地址
//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
})

登陆注册跳转,全代码:
Login.vue

<template>
	<div  class="login-wrap">
		<el-form  class="login-container">
			<h1 class="title">用户登陆</h1>
		  <el-form-item label="">
			<el-input type="text" placeholder="用户账号" v-model="username" autocomplete="off"></el-input>
		  </el-form-item>
		  <el-form-item label="" >
			<el-input type="password" placeholder="用户密码" v-model="password" autocomplete="off"></el-input>
		  </el-form-item>
		  <el-form-item>
			<el-button type="primary" @click="doLogin()" style="width: 100%;">用户登录</el-button>
<!-- <el-button style="width: 48%;" @click="gotoRegister()">用户注册</el-button> -->
</el-form-item>
			<el-row style="text-align: center;">
				<el-link @click="gotoRegister">用户注册</el-link>
        <el-link>忘记密码</el-link>
			</el-row>
		</el-form>
	</div>
</template>

<script>
	 import axios from 'axios'
	import qs from 'qs'

	export default{
		data:function(){
			return{
				username:null,
				password:null
			}
		},
		methods:{
			gotoRegister:function(){
        this.$router.push('/Register')
			},
			doLogin:function(){
				let params={
					username:this.username,
					password:this.password,
					methodName:'userLogin'
				};
				console.log(params);

			
 this.axios.get(this.axios.urls.SYSTEM_USER_DOLOGIN,{
    params:params
  }).then(resp=>{
    console.log(resp.data);
  }).catch(resp=>{});

//post方式
  /* this.axios.post(this.axios.urls.SYSTEM_USER_DOLOGIN,params).then(resp=>{
    console.log(resp.data);
  }).catch(resp=>{}); */


			}
		}
	}
</script>
//scoped="scoped" 表示样式仅仅规范当前VUE
<style scoped="scoped">
	.login-wrap {
			box-sizing: border-box;
			width: 100%;
			height: 100%;
			padding-top: 10%;
			background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
                <g id="Group-18" opacity="0.8" transform="translate(74.901416, 569.699158) rotate(-7.000000) translate(-74.901416, -569.699158) translate(4.901416, 525.199158)">
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                    <path d="M64.2775582,33.1704963 L119.185836,16.5654915" id="Path-12" stroke="#CFDAE6" stroke-width="1.73913043" stroke-linecap="round" stroke-linejoin="round"></path>
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                    <g id="Group-17" transform="translate(126.850922, 13.543654) rotate(30.000000) translate(-126.850922, -13.543654) translate(117.285705, 4.381889)" fill="#CFDAE6">
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                    </g>
                </g>
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                    </g>
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                    </g>
                    <circle id="Oval-5-Copy-6" fill="#CFDAE6" cx="201.833333" cy="87.5" r="5.83333333"></circle>
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                </g>
            </g>
        </g>
    </g>
</svg>);
			/* background-color: #112346; */
			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>

Register.vue

<template>
	<div  class="login-wrap">
		<el-form  class="login-container">
			<h1 class="title">用户注册</h1>
		  <el-form-item label="">
			<el-input type="text" placeholder="用户账号" v-model="username" autocomplete="off"></el-input>
		  </el-form-item>
		  <el-form-item label="" >
			<el-input type="password" placeholder="用户密码" v-model="password" autocomplete="off"></el-input>
		  </el-form-item>
      <el-form-item label="" >
      <el-input type="password" placeholder="确认密码" v-model="password1" autocomplete="off"></el-input>
      </el-form-item>
		  <el-form-item>
			<el-button type="primary" @click="doRegister()" style="width: 48%;">用户注册</el-button>
<el-button style="width: 48%;" @click="gotoLogin">返回登录</el-button>
		  </el-form-item>
		</el-form>
	</div>
</template>

<script>
	/* import axios from 'axios'
	import qs from 'qs' */

	export default{
		data:function(){
			return{
				username:null,
				password:null,
        password1:null
			}
		},
		methods:{
      gotoLogin:function(){
        this.$router.push('/');
      },
			doRegister:function(){
				let params={
					username:this.username,
					password:this.password,
					methodName:'userLogin'
				};
        console.log(params);

  this.axios.get(this.axios.urls.SYSTEM_USER_DOLOGIN,{
    params:params
  }).then(resp=>{
    console.log(resp.data);
  }).catch(resp=>{});

//post方式
  /* this.axios.post(this.axios.urls.SYSTEM_USER_DOLOGIN,params).then(resp=>{
    console.log(resp.data);
  }).catch(resp=>{}); */


			}
		}
	}
</script>
//scoped="scoped" 表示样式仅仅规范当前VUE
<style scoped="scoped">
	.login-wrap {
			box-sizing: border-box;
			width: 100%;
			height: 100%;
			padding-top: 10%;
			background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
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                    </g>
                </g>
                <g id="Group-14" transform="translate(216.294700, 123.725600) rotate(-5.000000) translate(-216.294700, -123.725600) translate(106.294700, 35.225600)">
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                    </g>
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                    <path d="M28.9985381,29.9671598 L171.151018,132.876024" id="Path-11" stroke="#CFDAE6" opacity="0.8"></path>
                </g>
                <g id="Group-10" opacity="0.799999952" transform="translate(1054.100635, 36.659317) rotate(-11.000000) translate(-1054.100635, -36.659317) translate(1026.600635, 4.659317)">
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                        <ellipse id="Oval-7" opacity="0.45" cx="9.18534718" cy="8.88888889" rx="8.47457627" ry="8.55614973"></ellipse>
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                    </g>
                    <path d="M34.6597385,24.809694 L5.71666084,4.76878945" id="Path-2" stroke="#CFDAE6" stroke-width="0.941176471"></path>
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        </g>
    </g>
</svg>);
			/* background-color: #112346; */
			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>

最后需要在src/router/index.js下配置
在这里插入图片描述
结果:
在这里插入图片描述
在这里插入图片描述

2.4 为每个*.vue定义单独的xxx-mock.js文件

/src/mock/json/login-mock.js

  1. 这种方式是定了个死的值,不管有没有输入密码,或者输入错误密码,都会弹出登陆成功。
 const login={
  code:1,
  msg:'登录成功!'
}
export default login;

在这里插入图片描述
2.如果想要活的,可以用正则表达式(随机的)

const login={
  'code|1-0':0,
  'msg|3-10':'msg'
}

注1:可以添加自定义的json数据
注2:还可以通过mockjs的模板生成随机数据

2.5 在index.js中导入xxx-mock.js,并添加拦截路由配置

import login from '@/mock/json/login-mock.js'

//获取请求路径
let url=action.getFullPath('SYSTEM_USER_DOLOGIN');
//拦截ajax请求
Mock.mock(url,/post|get/i,login)

在这里插入图片描述

3. 后台首页App Main.vue的创建

Main.vue包含了LeftAside.vue和TopNav.vue

3.1 Container布局容器

<template>
	<el-container class="main-container">
		<el-aside :class="isCollapsed">
			<LeftAside :left-collapsed="collapsed"></LeftAside>
		</el-aside>
		<el-container>
			<el-header class="main-header">
				<TopNav @topnav-collapsed="mainCollapse"></TopNav>
			</el-header>
			<el-main class="main-center">
        <router-view/>
      </el-main>
		</el-container>
	</el-container>
</template>

<script>
  //1.实现效果:左侧边栏的折叠效果

  //2、组件
  //1)Main.vue    (首页) 父组件
  //2)TopNav.vue  (头部导航栏) 子组件
  //3)LeftAside.vue (做侧边栏) 子组件

  //3.组件之间实现参数传递
  //TopNav ->Main -> LeftAside
  //子->父:TopNav->Main   事件穿参:$emit
  //父->子:Main->LeftAside 属性传参:props
  //props方式
  //1)在自组建中定义属性时请使用驼峰命名法
  //2)在父组件中使用自组建中定义的属性传递参数时,请使用短横线命名法



	// 导入组件
	import TopNav from '@/components/TopNav.vue'
	import LeftAside from '@/components/LeftAside.vue'

	// 导出模块
	export default {
    name:'Main',
    data:function(){
      return{
        collapsed: false
        //asideClass:'main-aside-collapsed'
      }
    },
    methods:{
      mainCollapse:function(c){
        this.collapsed=c;
        console.log("Main组件=%s",this.collapsed);
      }
    },
    components:{
      TopNav,
      LeftAside
    },
    computed:{
      isCollapsed:function(){
        return this.collapsed?'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 TopNav

 <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 {
    name: 'TopNav',
    data: function() {
      return {
        collapsed: false,
        imgshow: require('../assets/img/show.png'),
        imgsq: require('../assets/img/sq.png')
      }
    },
    methods: {
      doToggle: function() {
        this.collapsed=!this.collapsed;
        //console.log(this.collapsed);
        this.$emit('topnav-collapsed',this.collapsed);
      },
      exit: function() {
        this.$confirm('确认要退出系统吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.$message({
            type: 'success',
            message: '注销成功!'
          });
          this.$router.push('/');
        }).catch();
      }
    }
  }
</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>

     

注1:使用组件之间通信,完成左侧菜单折叠

3.3 LeftAside

<template>
	<el-menu router :default-active="$route.path" class="el-menu-vertical-demo"  background-color="#334157"
	 text-color="#fff" active-text-color="#ffd04b" :collapse="leftCollapsed">
		<!-- <el-menu default-active="2" :collapse="collapsed" collapse-transition router :default-active="$route.path" unique-opened class="el-menu-vertical-demo" background-color="#334157" text-color="#fff" active-text-color="#ffd04b"> -->
		<div class="logobox">
			<img class="logoimg" src="../assets/img/logo.png" alt="">
		</div>
    <el-menu-item index="/Home">
    	<i class="el-icon-s-home"></i>
    	<span slot="title">首页</span>
    </el-menu-item>
    <el-submenu v-for="root in treeNodelst"
    :key="'key-'+root.id"
    :index="'index-'+root.id">
      <template slot="title">
      	<i :class="root.icon"></i>
      	<span>{{root.text}}</span>
      </template>
      <el-menu-item v-for="node in root.children"
      :key="'key-'+node.id"
      :index="node.url">
      	<i :class="node.icon"></i>
      	<span slot="title">{{node.text}}</span>
      </el-menu-item>
    </el-submenu>
	</el-menu>
</template>
<script>
	export default {
    name:'LeftAside',
    props:['leftCollapsed'],
    data:function(){
      return{
        treeNodelst:[]
      }
    },
    created:function(){
      let url=this.axios.urls.SYSTEM_MODULE_TREENODE;
      let params={
        methodName:'queryTreeNode'
      };
      this.axios.get(url,{params:params}).then(resp=>{
        this.treeNodelst= resp.data.data;
        console.log(this.treeNodelst);
      }).catch(resp=>{

      });
      //配置首页默认打开
      this.$router.push('/Home');
    }
	}
</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>


还有图片放进去,不然报错。

登陆跳转到首页:
在这里插入图片描述

4. vue组件之间传递数据(总线)

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。

4.1 子组件往父组件传递数据(this.$emit)

TopNav -> Main

5.2 父组件往子组件传递数据(props)

Main -> LeftAside

最终效果:

在这里插入图片描述

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转载自blog.csdn.net/qq_47906421/article/details/108232714