Vue

    Vue.component("introduce",{
        template :'<div>' +
                    '<slot name="self"></slot>' +
                    '<slot name="family"></slot>' +
                 '</div>'
    })

    Vue.component("self",{
        props:['name'],
        template : '<p>{{name}}</p>'
    })

    Vue.component("family",{
        props:['family'],
        template :  '<ul>' +
                        '<li>{{family.name}}</li>' +
                    '</ul>'
    })

<self slot="self" :name="admin.name"></self>

<family slot="family" v-for="family in admin.families" :family="family"></family>

    Vue.component("self",{
        props:['name'],
        template : '<p>{{name}}</p>'
    })

<self slot="self" :name="admin.name"></self>

    Vue.component("family",{
        props:['family'],
        template :  '<ul>' +
                        '<li>{{family.name}}</li>' +
                    '</ul>'
    })

<family slot="family" v-for="family in admin.families" :family="family"></family>

//export暴露一个方法
exports.sayHi = function (){
    document.write("<h1>hi!,xiaoye!</h1>")
}

//require加载暴露的方法
var hi = require("./hello")
hi.sayHi();

export default new VueRouter({
  routes:[
    {
      path:"/content",
      name:"Content",
      component:Content
    },
    {
      path:"/personal",
      name:"Personal",
      component:Personal
    }
  ]
})

new Vue({
  el: '#app',
  router
})

<template>
    <div>我是首页</div>
</template>

<script>
export default {
  name: "Main"
}
</script>

<style scoped>

</style>

this.$router.push("/main");

<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
      <h3 class="login-title">欢迎登录</h3>
      <el-form-item label="账号" prop="username">
        <el-input type="text" placeholder="请输入账号" v-model="form.username"/>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>
      </el-form-item>
    </el-form>

    <el-dialog
      title="温馨提示"
      :visible.sync="dialogVisible"
      width="30%"
      :before-close="handleClose">
      <span>请输入账号和密码</span>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
name: "Login"
}
</script>



<script>
export  default {
  name:"Login",
  data(){
    return {
      form:{
        username: '',
        password: ''
      },
      //表单验证，需要再el-form-item 元素中增加prop属性
      rules:{
        username:[
            {required:true,message:'账号不能为空',trigger:'blur'}
          ],
    password:[
    {required: true,message: '密码不能为空',trigger:'blur'}
          ]
  },
    //对话框显示和隐藏
    dialogVisible:false
  }
  },
  methods:{
    onSubmit(formName) {
      //为表单绑定验证功能
      this.$refs[formName].validate((valid) =>{
        if (valid){
          //使用 vue-router路由到指定页面，该方式称之为编程式导航
          this.$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>

<router-link :to="{name:'Profile', params : { id ，sex }}">个人信息</router-link>

    {
      path:"/main",
      name:"Main",
      component:Main,
      children:[
        {
          path:"/user/profile/:id/:sex",
          component:Profile
        },
        {
          path:"/user/userlist",
          component:UserList
        }
      ]
    }

<p>{{ $route.params.id }}</p>
<p>{{ $route.params.sex }}</p>

<router-link :to="{name:'Profile', params : { id ，sex }}">个人信息</router-link>

    {
      path:"/main",
      name:"Main",
      component:Main,
      children:[
        {
          path:"/user/profile/:id/:sex",
          component:Profile,
          props:true
        },
        {
          path:"/user/userlist",
          component:UserList
        }
      ]
    }

<template>
    <div>
      <h1>个人信息</h1>
      <p>{{ id }}</p>
      <p>{{ sex}}</p>
    </div>
</template>

<script>
export default {
  props:['id','sex'],
  name: "Profile"
}
</script>

<style scoped>

</style>

beforeRouteEnter:(to,from,next)=>{
    console.log("进入个人信息前")
  },

beforeRouteLeave:(to,from,next)=>{
    console.log("离开个人信息前")
  },