From 84923cf985feba2ee04423623b3dde5ffffc983a Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Wed, 22 Nov 2023 10:59:17 +0800
Subject: [PATCH] 增强业务基类能力，可以转嫁整个继承链
---
bases/Pilot.js | 120 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 114 insertions(+), 6 deletions(-)
diff --git a/bases/Pilot.js b/bases/Pilot.js
index c92522b..6dcacf0 100644
--- a/bases/Pilot.js
+++ b/bases/Pilot.js
@@ -3,6 +3,10 @@
* @author Tevin
*/
+import Taro, { getCurrentInstance, getCurrentPages } from '@tarojs/taro';
+import { $hostBoot } from '@components/bases/HostBoot';
+import project from '@project';
+
export class Pilot {
constructor() {
@@ -17,10 +21,15 @@
methods: {},
};
const names = [];
+ let parent = null;
// 实例本身的字段
Object.getOwnPropertyNames(this).forEach(name => names.push(name));
- // 类的字段
- Object.getOwnPropertyNames(Object.getPrototypeOf(this)).forEach(name => names.push(name));
+ // 基类的字段，直到Pilot为止（不含Pilot）
+ parent = Object.getPrototypeOf(this);
+ while (parent instanceof Pilot) {
+ Object.getOwnPropertyNames(parent).forEach(name => names.push(name));
+ parent = Object.getPrototypeOf(parent);
+ }
// 传递
names.forEach(name => {
// 构造器忽略，如果存在属性 $methods 也忽略
@@ -29,14 +38,18 @@
}
if (/^\$/.test(name)) {
if (name === '$data' && typeof dataAdd !== 'undefined') {
- // 当有传data值进来，初始值必须带data中的字段
- const dataOrig = this.$data();
+ // 转换 dataAdd 中 assets 属性下的图片地址值
+ if (typeof dataAdd.assets !== 'undefined') {
+ dataAdd.assets = Pilot.transAssets(dataAdd.assets);
+ }
options.data = () => {
+ // 当有传data值进来，初始值必须带data中的字段
+ const dataOrig = this.$data();
return {
...dataOrig,
...dataAdd,
- }
- }
+ };
+ };
} else {
options[name.replace('$', '')] = this[name];
}
@@ -44,7 +57,102 @@
options.methods[name] = this[name];
}
});
+ this._bindTaroPage(options);
return options;
}
+ _bindTaroPage(options) {
+ // 绑定页面实例到Page
+ const { created, beforeDestroy, onMessage, onBridge } = options;
+ const option2 = {
+ created() {
+ const instance = getCurrentInstance();
+ instance.page.$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 = '';
+ if (assets[key].indexOf('assets') >= 0) {
+ asset = assets[key].split('assets')[1];
+ } else {
+ asset = assets[key].replace(/^[.\/\\]*/, '/');
+ }
+ // 网页
+ if (process.env.TARO_ENV === 'h5') {
+ assets2[key] = project.host.assetsPath + asset;
+ }
+ // 小程序
+ else if (process.env.TARO_ENV === 'weapp') {
+ assets2[key] = $hostBoot.getHost() + project.host.assetsPath + asset;
+ }
+ });
+ return assets2;
+ }
+
}
\ No newline at end of file
--
Gitblit v1.9.1