升级Vue3，iView替换ElementPlus

- 删除babel配置、更新依赖与入口初始化
- 全量替换UI组件、样式适配，新增迁移文档与标签/过滤器自动化替换脚本

buyer/package.json

@@ -8,35 +8,37 @@
     "dev": "vue-cli-service serve"
   },
   "engines": {
-    "node": ">=14"
+    "node": ">=16"
   },
   "dependencies": {
     "@amap/amap-jsapi-loader": "0.0.7",
-    "axios": "^0.19.2",
+    "@element-plus/icons-vue": "^2.3.1",
+    "axios": "^0.21.1",
+    "core-js": "^3.36.0",
     "dplayer": "^1.27.1",
+    "element-plus": "^2.6.3",
     "js-cookie": "^2.2.1",
-    "less": "^2.7.0",
-    "less-loader": "^5.0.0",
-    "mv-count-down": "^0.1.15",
-    "sass": "^1.63.6",
-    "postcss-loader": "^4.3.0",
+    "nprogress": "^0.2.0",
     "psl": "^1.8.0",
     "qs": "^6.9.4",
+    "sass": "^1.63.6",
+    "sass-loader": "^10.4.1",
+    "swiper": "^5.4.5",
     "uuid": "^8.3.2",
-    "view-design": "^4.3.2",
-    "vue": "^2.6.11",
-    "vue-awesome-swiper": "^3.1.3",
-    "vue-piczoom": "^1.0.6",
-    "vue-qr": "^2.3.0",
-    "vue-router": "^3.0.1",
-    "vuex": "^3.0.1"
+    "vue": "^3.4.21",
+    "vue-awesome-swiper": "^4.1.1",
+    "vue-qr": "^5.0.3",
+    "vue-router": "^4.3.0",
+    "vuex": "^4.1.0"
   },
   "devDependencies": {
-    "@vue/cli-service": "~4.5.0",
-    "compression-webpack-plugin": "^5.0.0",
-    "sass-loader": "^10.4.1",
-    "uglifyjs-webpack-plugin": "^2.2.0",
-    "vue-template-compiler": "^2.6.11"
+    "@vue/cli-plugin-babel": "^5.0.8",
+    "@vue/cli-service": "^5.0.8",
+    "@vue/compiler-sfc": "^3.4.21",
+    "compression-webpack-plugin": "^10.0.0",
+    "less": "^4.2.0",
+    "less-loader": "^11.1.4",
+    "webpack": "^5.95.0"
   },
   "browserslist": [
     "> 1%",
@@ -45,7 +47,6 @@
   ],
   "resolutions": {
     "minimatch": "^3.1.2",
-    "node-sass": "npm:sass@^1.63.6",
     "@achrinza/node-ipc": "9.2.2"
   }
 }