Vue router传递参数并解决刷新页面参数丢失问题

export default new Router({
 routes: [
  {
   path: '/paramsPassingByRouter',
   component: ParamsPassingByRouter,
   children: [
    {
     path: 'paramsMode',
     name: 'paramsMode',
     component: ParamsMode
    }
   ]
  }
 ]
})

<!-- html -->
<button @click="paramsMode(testData)">params传参</button>

<!-- js -->
<script>
export default {
 data () {
  return {
   testData: {
    id: '20180101',
    name: '张三',
    aka: 'z3',
    age: '18'
   }
  }
 },
 methods: {
  paramsMode (data) {
   this.$router.push({
    name: 'paramsMode',
    params: data
   })
  }
 }
}
</script>

<!-- html -->
<div class="params-mode">{{ testData }}</div>

<!-- js -->
<script>
export default {
 data () {
  return {
   testData: {}
  }
 },
 created () {
  this.testData = this.$route.params
 }
}
</script>

export default new Router({
 routes: [
  {
   path: '/paramsPassingByRouter',
   component: ParamsPassingByRouter,
   children: [
    {
     path: 'queryMode',
     name: 'queryMode',
     component: QueryMode
    }
   ]
  }
 ]
})

<!-- html -->
<button @click="queryMode(testData)">query传参</button>

<!-- js -->
<script>
export default {
 data () {
  return {
   testData: {
    id: '20180101',
    name: '张三',
    aka: 'z3',
    age: '18'
   }
  }
 },
 methods: {
  queryMode (data) {
   this.$router.push({
    name: 'paramsMode',
    query: data
   })
  }
 }
}
</script>

<!-- html -->
<div class="query-mode">{{ testData }}</div>

<!-- js -->
<script>
export default {
 data () {
  return {
   testData: {}
  }
 },
 created () {
  this.testData = this.$route.query
 }
}
</script>

// router.js
{
 path: 'paramsMode/:aka',
 name: 'paramsMode',
 component: ParamsMode
}

<!-- ParamsMode.vue 修改 -->
<script>
export default {
 data () {
  return {
   testData: {}
  }
 },
 created () {
  const tempData = localStorage.getItem('tempData')
  if (tempData) {
   this.testData = JSON.parse(tempData)
  } else {
   this.testData = this.$route.params

   localStorage.setItem('tempData', JSON.stringify(this.$route.params))
  }
 },
 beforeDestroy () {
  localStorage.removeItem('tempData')
 }
}
</script>