frontend

frontend/src/App.vue

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+<template>
+  <Sign/>
+  <!-- <HelloWorld msg="Vite + Vue" /> -->
+</template>
+
+<script setup>
+import HelloWorld from './components/HelloWorld.vue'
+import Sign from './components/Sign.vue'
+</script>
+
+<style scoped>
+.logo {
+  height: 6em;
+  padding: 1.5em;
+  will-change: filter;
+  transition: filter 300ms;
+}
+.logo:hover {
+  filter: drop-shadow(0 0 2em #646cffaa);
+}
+.logo.vue:hover {
+  filter: drop-shadow(0 0 2em #42b883aa);
+}
+</style>

frontend/src/assets/vue.svg

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+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="37.07" height="36" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 198"><path fill="#41B883" d="M204.8 0H256L128 220.8L0 0h97.92L128 51.2L157.44 0h47.36Z"></path><path fill="#41B883" d="m0 0l128 220.8L256 0h-51.2L128 132.48L50.56 0H0Z"></path><path fill="#35495E" d="M50.56 0L128 133.12L204.8 0h-47.36L128 51.2L97.92 0H50.56Z"></path></svg>

frontend/src/components/HelloWorld.vue

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+<template>
+  <h1>{{ msg }}</h1>
+
+  <div class="card">
+    <button type="button" @click="count++">count is {{ count }}</button>
+  </div>
+
+</template>
+
+<script setup>
+import { ref } from 'vue'
+
+defineProps({
+  msg: String,
+})
+
+const count = ref(0)
+</script>
+
+<style scoped>
+.read-the-docs {
+  color: #888;
+}
+</style>

frontend/src/components/Sign.vue

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+<template>
+    <div>
+        <h1>我的应用</h1>
+        <div v-if="loggedIn">
+            <h2>欢迎 {{ username }}！</h2>
+            <button @click="logout">注销</button>
+        </div>
+        <div v-else>
+            <label>用户名: </label>
+            <input type="text" v-model="username">
+            <label>密码: </label>
+            <input type="password" v-model="password">
+            <button @click="login">登录</button>
+        </div>
+    </div>
+</template>
+  
+<script setup>
+
+import { reactive } from 'vue'
+
+const state = reactive({
+    username: '',
+    password: '',
+    loggedIn: false
+})
+
+async function login() {
+    // 发送登录请求
+    const response = await fetch('/api/login', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+            username: state.username,
+            password: state.password
+        })
+    })
+
+    if (response.ok) {
+        state.loggedIn = true
+    }
+}
+
+async function logout() {
+    // 发送注销请求
+    const response = await fetch('/api/logout', {
+        method: 'POST'
+    })
+
+    if (response.ok) {
+        state.loggedIn = false
+        state.username = ''
+        state.password = ''
+    }
+}
+
+</script>

frontend/src/main.js

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+import { createApp } from 'vue'
+import './style.css'
+import App from './App.vue'
+
+createApp(App).mount('#app')

frontend/src/style.css

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+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  -webkit-text-size-adjust: 100%;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+button {
+  border-radius: 8px;
+  border: 1px solid transparent;
+  padding: 0.6em 1.2em;
+  font-size: 1em;
+  font-weight: 500;
+  font-family: inherit;
+  background-color: #1a1a1a;
+  cursor: pointer;
+  transition: border-color 0.25s;
+}
+button:hover {
+  border-color: #646cff;
+}
+button:focus,
+button:focus-visible {
+  outline: 4px auto -webkit-focus-ring-color;
+}
+
+.card {
+  padding: 2em;
+}
+
+#app {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+@media (prefers-color-scheme: light) {
+  :root {
+    color: #213547;
+    background-color: #ffffff;
+  }
+  a:hover {
+    color: #747bff;
+  }
+  button {
+    background-color: #f9f9f9;
+  }
+}