【发布时间】:2021-05-12 13:01:20
【问题描述】:
在我的 Vue3 视图中,我需要使用动态路径导入 json,因为 json 文件名取决于浏览器 url。例如 domain.com/canada 使用 ..canada.j́son 和 domain.com/use 使用 ..usa.json 而在这两种情况下都使用相同的视图文件。
我已经成功地导入了 json,并且可以在导入函数中使用它。但是我到底如何从导入函数中获取 json 以便我可以在模板中使用它呢?请参阅下面代码中的 cmets。这是views/test.vue
<template>
<div class="card">
<h1>{{ IWantContentFromJsonHere }}</h1>
</div>
</template>
<script>
import { computed } from "vue";
import { useRoute } from "vue-router";
export default {
name: "Test",
//Value for this is coming from router/index.js
props: ["jsonLocation"],
//Here I tried to set a variable outside the import scope
//but it is not working. See comments below
let var1 = "original value";
setup(props) {
import(`@/assets/json/${props.jsonLocation}`).then((module) => {
//this below are working just fine, so json is parsed OK.
console.log(module.default.canada.toronto);
//this prints "original value" so var1 works here
console.log(var1);
//and I can change the value of var1 here to print the json
var1 = module.default
console.log(var1); //this prints the json
});
return {
//and i can return the var1 here, but the value here is "original value"
//So if I use it at template at top of the code,
//it just renders "original value", not the json I want
var1
};
},
};
</script>
<style scoped lang="scss">
</style>
【问题讨论】:
标签: json dynamic import vuejs3