From f9398ce73a1bccff71218117ae963ea2ecd6809b Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Thu, 24 Mar 2022 12:16:04 +0800
Subject: [PATCH] 优化跨页面数据传递
---
bases/Pilot.js | 83 +++++++++++++++++++++++++++++++++++++++--
1 files changed, 79 insertions(+), 4 deletions(-)
diff --git a/bases/Pilot.js b/bases/Pilot.js
index 3499be7..32f2394 100644
--- a/bases/Pilot.js
+++ b/bases/Pilot.js
@@ -3,6 +3,7 @@
* @author Tevin
*/
+import Taro, { getCurrentInstance, getCurrentPages } from '@tarojs/taro';
import { Fetcher } from './Fetcher';
import { Tools } from '@components/common/Tools';
import project from '@project';
@@ -35,11 +36,11 @@
if (name === '$data' && typeof dataAdd !== 'undefined') {
// 转换 dataAdd 中 assets 属性下的图片地址值
if (typeof dataAdd.assets !== 'undefined') {
- dataAdd.assets = this._transDataAdd(dataAdd.assets);
+ dataAdd.assets = Pilot.transAssets(dataAdd.assets);
}
- // 当有传data值进来，初始值必须带data中的字段
- const dataOrig = this.$data();
options.data = () => {
+ // 当有传data值进来，初始值必须带data中的字段
+ const dataOrig = this.$data();
return {
...dataOrig,
...dataAdd,
@@ -52,10 +53,84 @@
options.methods[name] = this[name];
}
});
+ this._bindTaroPage(options);
return options;
}
- _transDataAdd(assets = {}) {
+ _bindTaroPage(options) {
+ // 绑定页面实例到Page
+ const { created, beforeDestroy, onMessage, onBridge } = options;
+ const option2 = {
+ created() {
+ const instance = getCurrentInstance();
+ instance.page.$component = this;
+ // 绑定方法到页面实例
+ this.$poster = Pilot.createPoster(this);
+ this.$onMessage = onMessage || (() => null);
+ this.$onBridge = onBridge || (() => null);
+ // 实际生命周期回调
+ created && created.call(this);
+ },
+ beforeDestroy() {
+ const instance = getCurrentInstance();
+ delete instance.page.$component;
+ // 实际生命周期回调
+ beforeDestroy && beforeDestroy.call(this);
+ // 取消绑定
+ this.$onMessage = null;
+ this.$poster = null;
+ this.$onBridge = null;
+ },
+ };
+ options.created = option2.created;
+ options.beforeDestroy = option2.beforeDestroy;
+ delete options.onMessage;
+ delete options.poster;
+ delete options.onBridge;
+ }
+
+ // 创建页面通讯器
+ static createPoster($vm) {
+ return (pageType, action, data) => {
+ // 解除引用关系
+ const nextData = JSON.parse(JSON.stringify(data || {}));
+ // 下一页
+ if (pageType === 'nextPage') {
+ // 持续 3 秒，检测下一页是否存在
+ let count = 0;
+ const timer = setInterval(() => {
+ if (++count > 60) {
+ clearInterval(timer);
+ }
+ const currentPages = getCurrentPages();
+ const pageIndex = currentPages.findIndex(page => page.$component === $vm);
+ const nextPage = currentPages[pageIndex + 1];
+ if (nextPage) {
+ clearInterval(timer);
+ nextPage.$component.$onMessage(action, nextData);
+ }
+ }, 50);
+ } else if (pageType === 'prevPage') {
+ const currentPages = getCurrentPages();
+ const pageIndex = currentPages.findIndex(page => page.$component === $vm);
+ const prevPage = currentPages[pageIndex - 1];
+ if (prevPage) {
+ prevPage.$component.$onMessage(action, nextData);
+ }
+ } else if (pageType === 'rootPage') {
+ const currentPages = getCurrentPages();
+ const rootPage = currentPages[0];
+ rootPage.$component.$onMessage(action, nextData);
+ }
+ };
+ }
+
+ /**
+ * 转换静态图片引用
+ * @param assets
+ * @return {{}}
+ */
+ static transAssets(assets = {}) {
const assets2 = {};
Object.keys(assets).forEach(key => {
let asset = '';
--
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