请问一下为什么我传的province值是空呢 然后就是跳转到选择城市的页面之后 我不知道要怎样写了 如何根据传入的值进行不同城市内容的渲染
1条回答 默认 最新
- CodeBytes 2023-02-19 17:24关注
该回答引用ChatGPT
选择省份的页面(Province.vue):
<template> <div> <div v-for="(province, index) in provinces" :key="index"> <span @click="goCity(province)">{{ province }}</span> </div> </div> </template> <script> export default { data() { return { provinces: ["广东省", "浙江省", "江苏省"] }; }, methods: { goCity(province) { this.$router.push({ path: "/city", query: { province: province } }); } } }; </script>
选择城市的页面(City.vue):
<template> <div> <div v-for="(city, index) in filteredCities" :key="index"> <span>{{ city }}</span> </div> </div> </template> <script> export default { props: { province: { type: String, required: true } }, data() { return { cities: { "广东省": ["广州市", "深圳市", "珠海市"], "浙江省": ["杭州市", "宁波市", "温州市"], "江苏省": ["南京市", "苏州市", "无锡市"] } }; }, computed: { filteredCities() { return this.cities[this.province] || []; } } }; </script>
在路由中定义两个页面的路由:
import Vue from "vue"; import VueRouter from "vue-router"; import Province from "./views/Province.vue"; import City from "./views/City.vue"; Vue.use(VueRouter); const routes = [ { path: "/", redirect: "/province" }, { path: "/province", name: "Province", component: Province }, { path: "/city", name: "City", component: City, props: route => ({ province: route.query.province }) } ]; const router = new VueRouter({ mode: "history", base: process.env.BASE_URL, routes }); export default router;
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