sanbuphy
690 lines
15 KiB
Vue
690 lines
15 KiB
Vue
<!--
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SessionCookieDemo.vue
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Session + Cookie 工作流程演示
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-->
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<template>
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<div class="session-cookie-demo">
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<div class="header">
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<div class="title">Session + Cookie 工作流程</div>
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<div class="subtitle">Web 开发的经典鉴权方案</div>
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</div>
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<div class="controls">
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<button
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class="action-btn login"
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@click="performLogin"
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:disabled="isLoggedIn"
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>
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<span class="btn-icon">🔑</span>
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<span class="btn-text">模拟登录</span>
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</button>
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<button
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class="action-btn request"
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@click="performRequest"
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:disabled="!isLoggedIn"
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>
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<span class="btn-icon">🌐</span>
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<span class="btn-text">发送请求</span>
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</button>
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<button
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class="action-btn logout"
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@click="performLogout"
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:disabled="!isLoggedIn"
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>
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<span class="btn-icon">🚪</span>
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<span class="btn-text">退出登录</span>
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</button>
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</div>
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<div class="visual-container">
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<div class="client-server">
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<div class="client">
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<div class="device-header">
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<span class="device-icon">💻</span>
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<span class="device-label">浏览器</span>
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</div>
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<div class="device-content">
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<div class="cookie-jar">
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<div class="jar-label">Cookie 存储</div>
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<div class="jar-content">
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<div v-if="sessionCookie" class="cookie-item">
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<div class="cookie-key">session_id</div>
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<div class="cookie-value">{{ sessionCookie }}</div>
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</div>
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<div v-else class="cookie-empty">暂无 Cookie</div>
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</div>
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</div>
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<div class="request-preview" v-if="currentRequest">
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<div class="preview-title">当前请求</div>
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<div class="preview-content">
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<div class="preview-line">{{ currentRequest }}</div>
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</div>
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</div>
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</div>
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</div>
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<div class="connection">
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<div class="connection-line" :class="{ active: isTransferring }">
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<div class="data-packet" v-if="isTransferring">
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{{ transferData }}
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</div>
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</div>
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</div>
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<div class="server">
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<div class="device-header">
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<span class="device-icon">🖥️</span>
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<span class="device-label">服务器</span>
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</div>
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<div class="device-content">
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<div class="session-storage">
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<div class="storage-label">Session 存储 (Redis/Memory)</div>
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<div class="storage-content">
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<div v-if="serverSession" class="session-item">
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<div class="session-key">{{ sessionCookie }}</div>
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<div class="session-data">
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<div class="data-row">
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<span class="data-key">user_id:</span>
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<span class="data-value">{{
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serverSession.user_id
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}}</span>
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</div>
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<div class="data-row">
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<span class="data-key">username:</span>
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<span class="data-value">{{
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serverSession.username
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}}</span>
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</div>
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<div class="data-row">
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<span class="data-key">role:</span>
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<span class="data-value">{{ serverSession.role }}</span>
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</div>
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</div>
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</div>
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<div v-else class="session-empty">暂无 Session</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="flow-steps" v-if="currentStep">
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<div class="steps-title">流程说明</div>
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<div class="steps-list">
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<div
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v-for="(step, index) in currentStep.steps"
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:key="index"
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class="step-item"
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:class="{ active: step.active }"
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>
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<div class="step-number">{{ index + 1 }}</div>
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<div class="step-content">{{ step.text }}</div>
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</div>
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</div>
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</div>
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<div class="info-cards">
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<div class="info-card pros">
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<div class="card-icon">✅</div>
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<div class="card-title">优点</div>
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<ul class="card-list">
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<li>简单直观，易于理解</li>
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<li>服务端可以主动注销</li>
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<li>Session 信息存储在服务端，相对安全</li>
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</ul>
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</div>
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<div class="info-card cons">
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<div class="card-icon">⚠️</div>
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<div class="card-title">缺点</div>
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<ul class="card-list">
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<li>服务器有状态，需要存储 Session</li>
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<li>多台服务器需要共享 Session（如 Redis）</li>
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<li>跨域困难，Cookie 默认不能跨域</li>
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<li>容易受到 CSRF 攻击</li>
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</ul>
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue'
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const isLoggedIn = ref(false)
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const isTransferring = ref(false)
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const sessionCookie = ref('')
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const serverSession = ref(null)
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const currentRequest = ref('')
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const transferData = ref('')
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const currentStep = ref(null)
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const steps = {
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login: {
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steps: [
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{ text: '用户提交用户名密码', active: false },
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{ text: '服务器验证身份', active: false },
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{ text: '创建 Session 并存储用户信息', active: false },
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{ text: '返回 Set-Cookie: session_id=xxx', active: false },
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{ text: '浏览器保存 Cookie', active: false }
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]
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},
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request: {
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steps: [
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{ text: '浏览器自动带上 Cookie', active: false },
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{ text: '服务器根据 session_id 查找 Session', active: false },
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{ text: '找到 Session，验证通过', active: false },
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{ text: '返回请求的数据', active: false }
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]
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},
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logout: {
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steps: [
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{ text: '用户点击退出', active: false },
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{ text: '服务器删除 Session', active: false },
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{ text: '清除浏览器 Cookie', active: false },
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{ text: '退出成功', active: false }
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]
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}
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}
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const performLogin = async () => {
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const sessionId = generateSessionId()
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const stepsData = steps.login
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for (let i = 0; i < stepsData.steps.length; i++) {
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stepsData.steps[i].active = true
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currentStep.value = stepsData
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if (i === 0) {
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currentRequest.value =
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'POST /login\n{ username: "alice", password: "***" }'
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transferData.value = '登录请求'
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isTransferring.value = true
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await delay(800)
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} else if (i === 2) {
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serverSession.value = {
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user_id: 123,
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username: 'alice',
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role: 'user'
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}
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await delay(600)
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} else if (i === 3) {
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transferData.value = 'Set-Cookie'
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isTransferring.value = true
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await delay(800)
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sessionCookie.value = sessionId
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isLoggedIn.value = true
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} else {
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await delay(500)
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}
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}
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isTransferring.value = false
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currentRequest.value = ''
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transferData.value = ''
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}
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const performRequest = async () => {
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const stepsData = steps.request
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for (let i = 0; i < stepsData.steps.length; i++) {
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stepsData.steps[i].active = true
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currentStep.value = stepsData
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if (i === 0) {
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currentRequest.value = `GET /api/user/profile\nCookie: session_id=${sessionCookie.value}`
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transferData.value = '请求 + Cookie'
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isTransferring.value = true
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await delay(800)
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} else if (i === 1) {
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isTransferring.value = false
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await delay(600)
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} else if (i === 3) {
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transferData.value = '响应数据'
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isTransferring.value = true
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await delay(800)
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} else {
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await delay(500)
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}
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}
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isTransferring.value = false
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currentRequest.value = ''
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transferData.value = ''
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}
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const performLogout = async () => {
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const stepsData = steps.logout
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for (let i = 0; i < stepsData.steps.length; i++) {
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stepsData.steps[i].active = true
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currentStep.value = stepsData
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if (i === 0) {
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currentRequest.value = 'POST /logout'
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transferData.value = '退出请求'
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isTransferring.value = true
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await delay(800)
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} else if (i === 1) {
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serverSession.value = null
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await delay(600)
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} else if (i === 2) {
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sessionCookie.value = ''
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isLoggedIn.value = false
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await delay(500)
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} else {
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await delay(400)
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}
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}
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isTransferring.value = false
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currentRequest.value = ''
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transferData.value = ''
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}
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const generateSessionId = () => {
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return 'sess_' + Math.random().toString(36).substring(2, 15)
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}
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const delay = (ms) => {
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return new Promise((resolve) => setTimeout(resolve, ms))
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}
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</script>
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<style scoped>
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.session-cookie-demo {
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border: 1px solid var(--vp-c-divider);
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background: var(--vp-c-bg-soft);
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border-radius: 12px;
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padding: 1.5rem;
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margin: 1.5rem 0;
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font-family: var(--vp-font-family-base);
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}
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.header {
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margin-bottom: 1.5rem;
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}
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.title {
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font-weight: 700;
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font-size: 1.1rem;
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margin-bottom: 0.3rem;
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}
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.subtitle {
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color: var(--vp-c-text-2);
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font-size: 0.9rem;
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}
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.controls {
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display: flex;
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gap: 0.75rem;
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margin-bottom: 1.5rem;
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flex-wrap: wrap;
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}
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.action-btn {
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flex: 1;
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min-width: 140px;
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padding: 0.75rem 1rem;
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border: none;
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border-radius: 8px;
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cursor: pointer;
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transition: all 0.2s ease;
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 0.5rem;
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font-weight: 600;
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font-size: 0.9rem;
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}
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.action-btn:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.action-btn.login {
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background: #22c55e;
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color: white;
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}
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.action-btn.login:hover:not(:disabled) {
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background: #16a34a;
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}
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.action-btn.request {
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background: #3b82f6;
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color: white;
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}
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.action-btn.request:hover:not(:disabled) {
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background: #2563eb;
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}
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.action-btn.logout {
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background: #ef4444;
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color: white;
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}
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.action-btn.logout:hover:not(:disabled) {
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background: #dc2626;
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}
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.btn-icon {
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font-size: 1.2rem;
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}
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.visual-container {
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background: var(--vp-c-bg);
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border-radius: 10px;
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padding: 1.5rem;
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border: 1px solid var(--vp-c-divider);
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margin-bottom: 1.5rem;
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}
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.client-server {
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display: grid;
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grid-template-columns: 1fr auto 1fr;
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gap: 1.5rem;
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align-items: stretch;
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}
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.client,
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.server {
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display: flex;
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flex-direction: column;
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gap: 1rem;
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}
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.device-header {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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padding: 0.75rem;
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background: var(--vp-c-bg-soft);
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border-radius: 8px;
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border: 1px solid var(--vp-c-divider);
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}
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.device-icon {
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font-size: 1.5rem;
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}
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.device-label {
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font-weight: 600;
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font-size: 0.95rem;
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}
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.device-content {
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flex: 1;
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display: flex;
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flex-direction: column;
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gap: 1rem;
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}
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.cookie-jar,
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.session-storage {
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background: var(--vp-c-bg-soft);
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border-radius: 8px;
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padding: 1rem;
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border: 1px solid var(--vp-c-divider);
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}
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.jar-label,
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.storage-label {
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font-weight: 600;
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font-size: 0.85rem;
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margin-bottom: 0.75rem;
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color: var(--vp-c-brand);
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}
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.jar-content,
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.storage-content {
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min-height: 80px;
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}
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.cookie-item,
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.session-item {
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background: white;
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border-radius: 6px;
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padding: 0.75rem;
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border: 1px solid var(--vp-c-divider);
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font-family: 'Courier New', monospace;
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font-size: 0.8rem;
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}
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.cookie-key {
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font-weight: 600;
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color: var(--vp-c-brand);
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margin-bottom: 0.4rem;
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}
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.cookie-value {
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color: var(--vp-c-text-2);
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word-break: break-all;
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}
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.session-key {
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font-weight: 600;
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color: #8b5cf6;
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margin-bottom: 0.5rem;
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padding-bottom: 0.5rem;
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border-bottom: 1px solid var(--vp-c-divider);
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}
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.session-data {
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display: flex;
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flex-direction: column;
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gap: 0.3rem;
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}
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.data-row {
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display: flex;
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gap: 0.5rem;
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}
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.data-key {
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color: var(--vp-c-brand);
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font-weight: 600;
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}
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.data-value {
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color: var(--vp-c-text-2);
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}
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.cookie-empty,
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.session-empty {
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text-align: center;
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color: var(--vp-c-text-2);
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font-size: 0.85rem;
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padding: 1rem;
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font-style: italic;
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}
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.request-preview {
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background: #1e293b;
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border-radius: 6px;
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padding: 0.75rem;
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border: 1px solid var(--vp-c-divider);
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}
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.preview-title {
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font-weight: 600;
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font-size: 0.75rem;
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color: #94a3b8;
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margin-bottom: 0.5rem;
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}
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.preview-content {
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font-family: 'Courier New', monospace;
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font-size: 0.75rem;
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color: #e2e8f0;
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line-height: 1.5;
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}
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.preview-line {
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white-space: pre-wrap;
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word-break: break-all;
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}
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.connection {
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 1rem 0;
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}
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.connection-line {
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width: 100px;
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height: 4px;
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background: var(--vp-c-divider);
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border-radius: 2px;
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position: relative;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.connection-line.active {
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background: linear-gradient(90deg, #3b82f6, #8b5cf6);
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}
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.data-packet {
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position: absolute;
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background: white;
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padding: 0.4rem 0.75rem;
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border-radius: 6px;
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border: 2px solid var(--vp-c-brand);
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font-size: 0.75rem;
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font-weight: 600;
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white-space: nowrap;
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animation: pulse 0.5s ease-in-out infinite;
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}
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@keyframes pulse {
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0%,
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100% {
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transform: scale(1);
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}
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50% {
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transform: scale(1.05);
|
||
}
|
||
}
|
||
|
||
.flow-steps {
|
||
background: var(--vp-c-bg);
|
||
border-radius: 10px;
|
||
padding: 1.25rem;
|
||
border: 1px solid var(--vp-c-divider);
|
||
margin-bottom: 1.5rem;
|
||
}
|
||
|
||
.steps-title {
|
||
font-weight: 700;
|
||
font-size: 1rem;
|
||
margin-bottom: 1rem;
|
||
}
|
||
|
||
.steps-list {
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 0.5rem;
|
||
}
|
||
|
||
.step-item {
|
||
display: flex;
|
||
gap: 0.75rem;
|
||
padding: 0.75rem;
|
||
border-radius: 8px;
|
||
background: var(--vp-c-bg-soft);
|
||
border: 1px solid var(--vp-c-divider);
|
||
transition: all 0.3s ease;
|
||
}
|
||
|
||
.step-item.active {
|
||
border-color: var(--vp-c-brand);
|
||
background: rgba(59, 130, 246, 0.1);
|
||
}
|
||
|
||
.step-number {
|
||
width: 28px;
|
||
height: 28px;
|
||
border-radius: 50%;
|
||
background: var(--vp-c-brand);
|
||
color: white;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
font-weight: 600;
|
||
font-size: 0.85rem;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.step-content {
|
||
flex: 1;
|
||
display: flex;
|
||
align-items: center;
|
||
font-size: 0.9rem;
|
||
}
|
||
|
||
.info-cards {
|
||
display: grid;
|
||
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
|
||
gap: 1rem;
|
||
}
|
||
|
||
.info-card {
|
||
background: var(--vp-c-bg);
|
||
border-radius: 10px;
|
||
padding: 1.25rem;
|
||
border: 1px solid var(--vp-c-divider);
|
||
}
|
||
|
||
.card-icon {
|
||
font-size: 2rem;
|
||
margin-bottom: 0.75rem;
|
||
}
|
||
|
||
.card-title {
|
||
font-weight: 700;
|
||
font-size: 1rem;
|
||
margin-bottom: 0.75rem;
|
||
}
|
||
|
||
.card-list {
|
||
margin: 0;
|
||
padding-left: 1.25rem;
|
||
}
|
||
|
||
.card-list li {
|
||
margin-bottom: 0.5rem;
|
||
font-size: 0.85rem;
|
||
line-height: 1.5;
|
||
}
|
||
|
||
.info-card.pros .card-list li {
|
||
color: #16a34a;
|
||
}
|
||
|
||
.info-card.cons .card-list li {
|
||
color: #dc2626;
|
||
}
|
||
|
||
@media (max-width: 768px) {
|
||
.client-server {
|
||
grid-template-columns: 1fr;
|
||
gap: 1rem;
|
||
}
|
||
|
||
.connection {
|
||
display: none;
|
||
}
|
||
|
||
.info-cards {
|
||
grid-template-columns: 1fr;
|
||
}
|
||
}
|
||
</style>
|