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ref 的简单实用

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云上贵猪 2025-04-29 20:42:26 +08:00
parent 3af4711dfb
commit 1afc441a09
2 changed files with 33 additions and 19 deletions
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19
.idea/workspace.xml generated
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@ -4,13 +4,9 @@
<option name="autoReloadType" value="SELECTIVE" />
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<component name="ChangeListManager">
<list default="true" id="82d74fc6-f54a-4255-8e7b-990e62fbaaf1" name="更改" comment="Merge remote-tracking branch 'vue3-学习仓库/dev' into dev&#10;&#10;# Conflicts:&#10;#&#9;.idea/workspace.xml&#10;#&#9;README.md&#10;#&#9;src/components/Person.vue">
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<change beforePath="$PROJECT_DIR$/src/assets/logo.svg" beforeDir="false" />
<change beforePath="$PROJECT_DIR$/src/assets/main.css" beforeDir="false" afterPath="$PROJECT_DIR$/src/assets/main.css" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/components/Person.vue" beforeDir="false" afterPath="$PROJECT_DIR$/src/components/Person.vue" afterDir="false" />
<change beforePath="$PROJECT_DIR$/vite.config.ts" beforeDir="false" afterPath="$PROJECT_DIR$/vite.config.ts" afterDir="false" />
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<option name="HIGHLIGHT_CONFLICTS" value="true" />
@ -71,7 +67,15 @@
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<updated>1745928378301</updated>
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@ -80,6 +84,7 @@
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<MESSAGE value="Vue2 &amp; Vue3 中data 与setup 数据的调用情况" />
<MESSAGE value="Merge remote-tracking branch 'vue3-学习仓库/dev' into dev&#10;&#10;# Conflicts:&#10;#&#9;.idea/workspace.xml&#10;#&#9;README.md&#10;#&#9;src/components/Person.vue" />
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<MESSAGE value="setup 的新写法" />
<option name="LAST_COMMIT_MESSAGE" value="setup 的新写法" />
</component>
</project>

33
src/components/Person.vue
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@ -1,23 +1,32 @@
<script lang="ts">
export default {
name:'Person',
setup(){
let axxxx: string = '原始写法';
return { axxxx }
}
}
</script>
<script setup lang="ts">
import {ref} from "vue";
let age = ref(18);
let name = ref('张三');
const address = ref('广东广州天河...')
function changeName(){
name.value = '李四'
}
function AgeADD(){
age.value +=1
}
let axxxx:string = '新泻法';
</script>
<template>
<main>
<h1>{{axxxx}}</h1>
<h1>姓名：{{name}}</h1>
<h1>年龄：{{age}}</h1>
<h1>地址：{{address}}</h1>
<button @click="changeName">修改名字</button>
<button @click="AgeADD">年龄 +1</button>
</main>
</template>
<style scoped>
button {
margin: 0 1.5rem;
}
</style>