首次提交：初始化项目代码

main.js

@@ -0,0 +1,32 @@
+import { createSSRApp } from 'vue'
+import App from './App.vue'
+
+// 1. 引入主题核心方法
+import {
+  THEME_PRESETS,
+  switchTheme,
+  getThemeConfigFromStorage,
+  initTheme
+} from './utils/theme.js'
+
+// 2. 导入主题混入文件
+import themeMixin from './mixins/themeMixin.js'
+
+
+export function createApp() {
+  const app = createSSRApp(App)
+
+  // 注册全局混入
+  app.mixin(themeMixin)
+
+
+  // 挂载的全局主题方法
+  app.config.globalProperties.$theme = {
+    presets: THEME_PRESETS,
+    switchTheme: switchTheme,
+    getConfig: getThemeConfigFromStorage,
+    initTheme: initTheme
+  }
+
+  return { app }
+}