feat: 项目结构重构优化

src/layouts/components/LayoutMain.vue

@@ -0,0 +1,91 @@
+<template>
+  <section class="app-main" :style="{ height: appMainHeight }">
+    <router-view>
+      <template #default="{ Component, route }">
+        <transition enter-active-class="animate__animated animate__fadeIn" mode="out-in">
+          <keep-alive :include="cachedViews">
+            <component :is="currentComponent(Component, route)" :key="route.fullPath" />
+          </keep-alive>
+        </transition>
+      </template>
+    </router-view>
+
+    <!-- 返回顶部按钮 -->
+    <el-backtop target=".app-main">
+      <div class="i-svg:backtop w-6 h-6" />
+    </el-backtop>
+  </section>
+</template>
+
+<script setup lang="ts">
+import { type RouteLocationNormalized } from "vue-router";
+import { useSettingsStore, useTagsViewStore } from "@/store";
+import variables from "@/styles/variables.module.scss";
+import Error404 from "@/views/error/404.vue";
+
+const { cachedViews } = toRefs(useTagsViewStore());
+
+// 当前组件
+const wrapperMap = new Map<string, Component>();
+const currentComponent = (component: Component, route: RouteLocationNormalized) => {
+  if (!component) return;
+
+  const { fullPath: componentName } = route; // 使用路由路径作为组件名称
+  let wrapper = wrapperMap.get(componentName);
+
+  if (!wrapper) {
+    wrapper = {
+      name: componentName,
+      render: () => {
+        try {
+          return h(component);
+        } catch (error) {
+          console.error(`Error rendering component for route: ${componentName}`, error);
+          return h(Error404);
+        }
+      },
+    };
+    wrapperMap.set(componentName, wrapper);
+  }
+
+  // 添加组件数量限制
+  if (wrapperMap.size > 100) {
+    const firstKey = wrapperMap.keys().next().value;
+    if (firstKey) {
+      wrapperMap.delete(firstKey);
+    }
+  }
+
+  return h(wrapper);
+};
+
+const appMainHeight = computed(() => {
+  if (useSettingsStore().showTagsView) {
+    return `calc(100vh - ${variables["navbar-height"]} - ${variables["tags-view-height"]})`;
+  } else {
+    return `calc(100vh - ${variables["navbar-height"]})`;
+  }
+});
+</script>
+
+<style lang="scss" scoped>
+.app-main {
+  position: relative;
+  overflow-y: auto;
+  background-color: var(--el-bg-color-page);
+
+  /* 布局切换动画优化 */
+  &.animate__animated {
+    animation-duration: 0.4s;
+    animation-fill-mode: forwards;
+  }
+
+  &.animate__fadeOut {
+    animation-timing-function: ease-in;
+  }
+
+  &.animate__fadeIn {
+    animation-timing-function: ease-out;
+  }
+}
+</style>