feat: 增加主题色功能

src/pages/stats/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <view class="min-h-screen flex flex-col bg-gradient-to-b from-[#a78bfa] to-[#f3e8ff]">
+  <view class="min-h-screen flex flex-col" :style="getThemeStyle[appStore.themeColor]">
     <view class="self-center py-3 flex items-center gap-2 text-gray-800">
       <view class="flex min-w-0 flex-col">
         <text class="truncate text-lg text-white font-semibold">
@@ -92,9 +92,12 @@ import { ref } from 'vue'
 import { getRecentRecords } from '@/utils/record'
 import { onShow } from "@dcloudio/uni-app";
 import { useProfileStore } from '@/store/profile'
+import { useAppStore } from '@/store/app'
 import { getStats } from "@/utils/profile";
+import { getThemeStyle } from "@/utils/themes";
 
 const profileStore = useProfileStore()
+const appStore = useAppStore()
 
 const weightChartData = ref({
   categories: [] as string[],