<script lang="ts" setup>:这表示脚本使用TypeScript编写,并且启用了<script setup>语法糖。 import { ref } from 'vue':从Vue库中导入ref函数,用于创建响应式数据。 const activeindex = ref(''):使用ref函数创建一个响应式变量activeindex,并初始化为
启用setup script之后是这样的: <template><divclass="flex items-center justify-center h-screen bg-gray-50"><Card>{{msg}}</Card></div></template><scriptlang="ts"setup>import{ ref }from"vue";importCardfrom"./components/Card.vue";constmsg =ref("setup script");</script>复制代码 这里省去...
<script setup lang="ts"> import { ref } from "vue"; import VuePdfEmbed from "vue-pdf-embed"; const pdfUrl = "https://raw.githubusercontent.com/mozilla/pdf.js/ba2edeae/web/compressed.tracemonkey-pldi-09.pdf"; const dialogVisible = ref(false); const loading = ref(false); const pdf...
<script lang="ts" setup> import { ref } from 'vue'; const msg = ref("ABC"); const myObj = <{ [key: string]: string }>{ a: "123" } msg.value = myObj.a; </script> What is expected? 正常情况下ts脚本应该被正常解析. What is actually happening? 报错了: ERROR Failed to comp...
<scriptlang="ts"setup>import{ ref }from'vue'consta =1constb =ref('2')defineExpose({ a, b })</script> 父组件 <template><Childref="refChild"/><div@click="onClick">123</div></template><scriptlang="ts"setup>importChildfrom'./Child.vue'constrefChild = ref<any>(null)functiononClick...
<script setup lang="ts"> import { ref } from 'vue'; const message = ref('我是script setup形式'); const count = ref(0); function handleClick() { count.value++; } </script> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
defineModel()是一个编译器提示帮助器,只能在脚本setup单个文件组件的。它的参数应该被编译掉,并且在运行时传递它没有影响。 // 父组件 <script lang="ts" setup> import { ref } from 'vue' import CustomInput from './CustomInput.vue' const inputValue = ref('hello defineModel') </script> <templa...
<script setup lang="ts"> import { ref } from 'vue'; import A from './A.vue'; const items = ref<string[]>(['item1', 'item2', 'item3']); const selected = ref<string | null>(null); </script> <template> <A :items="items" :selected="selected"></A> </template> ...
<script setup lang="ts"> import { reactive, ref, onMounted, watch, computed } from "vue"; defineOptions({ name: "MyDictdata" }); //定义组件或页面名称 1. 2. 3. 4. 如果是组件,通过这样定义后,我们在页面引入它的时候,就可以import这个名称就可以了,如下代码所示。
<script setup lang="ts"> import { reactive, ref, onMounted, watch, computed } from "vue";defineOptions({ name: "MyDictdata" }); //定义组件或页面名称 如果是组件,通过这样定义后,我们在页面引入它的时候,就可以import这个名称就可以了,如下代码所示。