feat(h5): add options to page instance

src/core/service/plugins/page/create-page.js

 import {
   hasOwn
-} from 'uni-shared'
+} from 'uni-shared'
 
-export default function createPage (pageVm) {
+export default function createPage (pageVm, options) {
   const $route = pageVm.$route
   pageVm.route = $route.meta.pagePath
+  if (!pageVm.options) { // 可能开发者会声明 options 属性
+    pageVm.options = options
+  }
 
   const id = hasOwn($route.params, '__id__') ? $route.params.__id__ : $route.meta.id
   pageVm.__page__ = {
     id,
     path: $route.path,
     route: $route.meta.pagePath,
+    options: options,
     meta: Object.assign({}, $route.meta)
   }
   // 兼容 mpvue

src/core/service/plugins/page/index.js

@@ -20,8 +20,9 @@ function getDecodedQuery (query = {}) {
 export function createPageMixin () {
   return {
     created: function pageCreated () {
-      createPage(this)
-      callPageHook(this, 'onLoad', getDecodedQuery(this.$route.query))
+      const options = getDecodedQuery(this.$route.query)
+      createPage(this, options)
+      callPageHook(this, 'onLoad', options)
       callPageHook(this, 'onShow')
     }
   }