大屏项目初始化

screen-vue/src/views/error/404.vue

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+<template>
+  <div class="page-404">
+    <div class="error-code">404</div>
+    <div class="error-message">页面不存在</div>
+    <button @click="goBack" class="back-btn">返回上一页</button>
+    <button @click="goDashboard" class="home-btn">返回首页</button>
+  </div>
+</template>
+
+<script setup>
+import { useRouter } from 'vue-router'
+
+const router = useRouter()
+
+// 返回上一页
+const goBack = () => {
+  router.go(-1)
+}
+
+// 返回后台首页
+const goDashboard = () => {
+  router.push('/dashboard')
+}
+</script>
+
+<style scoped>
+.page-404 {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 20px;
+  padding: 20px;
+}
+
+.error-code {
+  font-size: 80px;
+  font-weight: bold;
+  color: #e54d42;
+}
+
+.error-message {
+  font-size: 24px;
+  color: #666;
+}
+
+.back-btn, .home-btn {
+  padding: 10px 20px;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 16px;
+}
+
+.back-btn {
+  background: #f5f5f5;
+  color: #333;
+}
+
+.home-btn {
+  background: #1989fa;
+  color: #fff;
+}
+</style>