文章 - DCloud问答

知识付费直播系统-Uniapp源码

直播付费

仓库地址 https://gitee.com/tuzhi-open/tuzhi-mobile-open

凸知（Tuzhi） 是一套完整的知识付费解决方案，支持私有化部署，覆盖课程售卖、直播授课、圈子社区、考试测评、分销营销、实物商品等完整业务场景，提供管理后台、移动端（H5 / 微信小程序）、PC 学员端等多端入口，帮助个人 IP、教培机构与品牌商家搭建自有卖课平台。

凸知移动端 是一款基于 uni-app（Vue 2）+ TDesign 开发的知识付费移动端前端，支持 H5 / 微信小程序 多端编译（不支持 App 打包）。覆盖课程点播、直播、专栏、圈子社区、订单支付（前端交互）、优惠券、余额红包、考试答题等完整学习场景。

系统演示：

端	演示地址	账号	密码
后台	https://tuzhi.mutouweb.com/admin.php	admin	123456
移动端（用户）	https://tuzhi.mutouweb.com	13222222222	123456
PC 端（用户）	https://tuzhi.mutouweb.com/pc/#/	13222222222	123456

一、功能特性

终端覆盖：电脑端 / 微信公众号（H5）/ 微信小程序多端学习
课程内容：图文 / 视频 / 音频 / 专栏售卖，支持试看试听、课件资料与内容保护
互动教学：练习 / 考试测评 / 题库 / 试卷库 / 证书 / 表单 / 圈子社区
直播能力：直播授课 / 伪直播 / 回放 / 直播带货 / 送礼物 / 发红包
营销增长：分销推广 / 优惠券 / 每日签到 / 积分商城 / 付费会员卡 / 组合商品 / 卡密兑换
实物商品：商品管理 / 多规格 SKU / 限购设置 / 售后退换
交易支付：购物车 / 订单管理 / 余额支付 / 微信支付 / 支付宝支付
用户数据：用户管理 / 订阅记录 / 学习分析 / 交易分析 / 订单管理
系统安全：页面 DIY 装修 / 云存储 / 短信与消息推送 / 管理员权限 / 版权保护（跑马灯 / 防录屏）

界面预览：

二、系统架构

凸知是一套完整的知识付费系统，由四个部分组成：

部分	技术栈	说明	源码开放
后端服务	ThinkPHP 5.0 + FastAdmin + MySQL	接口服务，承载支付、直播、分销等全部业务逻辑	购买授权
移动端（本仓库）	uni-app（Vue 2）+ TDesign	H5 / 微信小程序学员端（不支持 App 打包）	开源
管理后台	Vue 3 + Arco Design	管理员 / 讲师运营后台	购买授权
PC 学员端	Vue 3 + Arco Design	电脑端学员学习页面	购买授权

凸知终端技术结构：

整体调用链路：移动端 / PC 学员端 / 管理后台 → 后端接口服务（{code, msg, data} 协议）→ MySQL 数据库。

本仓库仅开源移动端前端源码；如需后端服务或管理后台等其余端的源码，需购买商业授权获取，详见「十一、使用许可」与授权价格。

三、技术栈

分类	技术	说明
跨端框架	uni-app（Vue 2.x）	vue-cli 工程，一套代码编译 H5 / 微信小程序等多端（不支持 App 打包）
开发语言	JavaScript（Vue 2 语法）+ Sass	页面按 `xxx.vue + js.vue + css.css` 三文件拆分，样式用 CSS 规则
UI 组件库	TDesign（`@tdesign/uniapp`）	全局主题样式，小程序端内置构建适配补丁（`scripts/`）
	uView（本地 `components/uview-ui`）	列表 / 弹窗 / 表单等通用组件
	自研 `components/tz/`	音频 / 视频 / 媒体编辑 / 上传 / 文件预览等 45+ 业务组件
	qiun-data-charts	图表可视化
状态管理	Vuex 3	全局登录态 / 用户信息等
国际化	vue-i18n 8	内置 zh-CN / US 多语言
网络请求	flyio + 自封装 `$api`	`$api('module.action')` 点分路由，统一鉴权 / 错误处理 / 401 跳转
音视频播放	阿里云播放器 Aliplayer（H5，本地化资源）、hls.js / flv.js	直播与点播，支持倍速 / 弹幕 / 水印等组件
微信能力	jweixin-module	微信登录 / 分享 JS-SDK 封装
构建工具	@vue/cli 5 + webpack	由 `@dcloudio/vue-cli-plugin-uni` 驱动多端编译
测试	Jest	多端单元测试（`npm run test:*`）

四、快速开始

环境要求：Node.js >= 14（建议 16/18）、npm

# ① 安装依赖  
npm install  

# ② H5 开发（默认不启用 Mock，对接真实后端；如需 Mock 见「Mock 数据」）  
npm run dev:h5

浏览器访问 http://localhost:8080 即可看到完整页面效果。

微信小程序编译：

# ③ 小程序开发模式（监听编译，产物在 dist/dev/mp-weixin）  
npm run dev:mp-weixin  

# ④ 小程序生产构建（内置 TDesign 适配补丁，产物在 dist/build/mp-weixin）  
npm run build:mp-weixin

用微信开发者工具「导入项目」选择对应产物目录（开发选 dist/dev/mp-weixin，生产选 dist/build/mp-weixin），并在 src/manifest.json 中替换为自己的 appid。

对接真实后端：

修改 src/siteinfo.js 中的 siteroot 为你的后端地址；
在 src/common/request/api_list.js 中核对接口地址与 {code, msg, data} 协议；
微信小程序构建需在 src/manifest.json 中替换为自己的 appid。

五、构建

目标	命令
H5	`npm run build:h5`
微信小程序	`npm run build:mp-weixin`

小程序构建内置 TDesign 适配补丁（scripts/），构建成功后产物在 dist/build/ 下。

⚠️ 注意：当前版本不支持 App 打包，仅支持 H5 与微信小程序两个平台。

六、Mock 数据

H5 开发模式（NODE_ENV=development）默认关闭，全部走真实后端接口；
开启方式：将 src/static/config.js 的 enableMock 改为 true（显式设置优先级最高），或通过 uni.setStorageSync('enableMock', true) / 环境变量 MOCK_ENABLE 切换；
覆盖 200+ 接口，fixture 位于 src/mock/data/，按 module/action 路由镜像；
未覆盖的接口自动透传真实网络并输出提示；
Mock 数据由仓库内 mock-crawler 工具采集真实后端响应生成，发布前已做敏感字段脱敏（token/openid/手机号等）。

七、目录结构

src/  
├── pages/        页面（index 主包 + public/app/user/order/course 五个分包，约 100+ 页面）  
│   ├── index/        首页（主包唯一页面，tabBar 入口）  
│   ├── launch/       启动页（加载与参数透传跳转，未在 pages.json 注册）  
│   ├── public/       公共分包：登录 / 注册 / 找回密码 / 协议 / 搜索 / 消息 / 结果页等  
│   ├── app/          业务功能分包：活动 / 圈子 / 考试 / 优惠券 / 积分 / 签到 / 证书 / 分销 / 直播带货等  
│   ├── user/         用户分包：个人中心 / 资产 / 余额 / 地址 / 收藏 / 学习记录 / 订阅 / 红包等  
│   ├── order/        订单分包：订单列表 / 详情 / 提交 / 评价 / 售后 / 物流等  
│   ├── course/       课程分包：课程详情 / 分类 / 专栏 / 小组 / 直播等  
│   └── template/     页面模板（新建页面的三文件拆分参考，未在 pages.json 注册）  
├── components/   组件（tz/ 自研组件库、uview-ui、qiun-data-charts、视频播放器等）  
├── common/       公共层  
│   ├── request/  接口封装（$api 点分路由、统一鉴权/错误处理）  
│   ├── utils/    工具（路由映射、支付、直播、OSS 签名等）  
│   ├── order/    订单状态处理  
│   └── wechat/   微信登录/分享 SDK 封装  
├── mock/         Mock 数据（H5 开发模式默认关闭，开启方式见「六、Mock 数据」）  
├── static/       静态资源  
├── pages.json    页面路由与分包配置  
└── manifest.json 应用配置（appid 等）

八、开发约定

页面采用 xxx.vue + js.vue + css.css 三文件拆分（<script src="./js.vue"> + @import "./css.css"），逻辑与样式分离；
接口调用统一走 this.$api('module.action', data)，登录态、401 跳转、错误提示由拦截器统一处理；
业务组件优先复用 components/tz/ 自研组件库；
提交信息遵循 Conventional Commits（feat: / fix: / chore:）。

九、相关链接

名称	链接
使用文档	https://wood-soft.feishu.cn/wiki/KKLkwOPBHiButJkTluTcoXKenjh
功能列表	https://wood-soft.feishu.cn/wiki/YGFYw0k8PiJDWxketgHcBNKNnxe
授权价格	https://www.tuzhi.ltd/index/pricing/version.html
功能演示	https://www.tuzhi.ltd/index/demo/index.html

十、软件安全

安全问题请通过 Issue（需注明"安全"）或邮件私下报告给项目维护团队，请勿在公开渠道描述可利用的漏洞细节。我们将在确认后尽快修复并同步发布。

十一、使用许可

本软件遵循 凸知开源协议 V1.0（非商业用途免费，商业用途需购买商业授权），详见 LICENSE；
第三方组件许可声明见 THIRD-PARTY-NOTICES.md（发布前请核对）；

继续阅读 »

仓库地址 https://gitee.com/tuzhi-open/tuzhi-mobile-open

凸知（Tuzhi） 是一套完整的知识付费解决方案，支持私有化部署，覆盖课程售卖、直播授课、圈子社区、考试测评、分销营销、实物商品等完整业务场景，提供管理后台、移动端（H5 / 微信小程序）、PC 学员端等多端入口，帮助个人 IP、教培机构与品牌商家搭建自有卖课平台。

凸知移动端 是一款基于 uni-app（Vue 2）+ TDesign 开发的知识付费移动端前端，支持 H5 / 微信小程序 多端编译（不支持 App 打包）。覆盖课程点播、直播、专栏、圈子社区、订单支付（前端交互）、优惠券、余额红包、考试答题等完整学习场景。

系统演示：

端	演示地址	账号	密码
后台	https://tuzhi.mutouweb.com/admin.php	admin	123456
移动端（用户）	https://tuzhi.mutouweb.com	13222222222	123456
PC 端（用户）	https://tuzhi.mutouweb.com/pc/#/	13222222222	123456

一、功能特性

终端覆盖：电脑端 / 微信公众号（H5）/ 微信小程序多端学习
课程内容：图文 / 视频 / 音频 / 专栏售卖，支持试看试听、课件资料与内容保护
互动教学：练习 / 考试测评 / 题库 / 试卷库 / 证书 / 表单 / 圈子社区
直播能力：直播授课 / 伪直播 / 回放 / 直播带货 / 送礼物 / 发红包
营销增长：分销推广 / 优惠券 / 每日签到 / 积分商城 / 付费会员卡 / 组合商品 / 卡密兑换
实物商品：商品管理 / 多规格 SKU / 限购设置 / 售后退换
交易支付：购物车 / 订单管理 / 余额支付 / 微信支付 / 支付宝支付
用户数据：用户管理 / 订阅记录 / 学习分析 / 交易分析 / 订单管理
系统安全：页面 DIY 装修 / 云存储 / 短信与消息推送 / 管理员权限 / 版权保护（跑马灯 / 防录屏）

界面预览：

二、系统架构

凸知是一套完整的知识付费系统，由四个部分组成：

部分	技术栈	说明	源码开放
后端服务	ThinkPHP 5.0 + FastAdmin + MySQL	接口服务，承载支付、直播、分销等全部业务逻辑	购买授权
移动端（本仓库）	uni-app（Vue 2）+ TDesign	H5 / 微信小程序学员端（不支持 App 打包）	开源
管理后台	Vue 3 + Arco Design	管理员 / 讲师运营后台	购买授权
PC 学员端	Vue 3 + Arco Design	电脑端学员学习页面	购买授权

凸知终端技术结构：

整体调用链路：移动端 / PC 学员端 / 管理后台 → 后端接口服务（{code, msg, data} 协议）→ MySQL 数据库。

本仓库仅开源移动端前端源码；如需后端服务或管理后台等其余端的源码，需购买商业授权获取，详见「十一、使用许可」与授权价格。

三、技术栈

分类	技术	说明
跨端框架	uni-app（Vue 2.x）	vue-cli 工程，一套代码编译 H5 / 微信小程序等多端（不支持 App 打包）
开发语言	JavaScript（Vue 2 语法）+ Sass	页面按 `xxx.vue + js.vue + css.css` 三文件拆分，样式用 CSS 规则
UI 组件库	TDesign（`@tdesign/uniapp`）	全局主题样式，小程序端内置构建适配补丁（`scripts/`）
	uView（本地 `components/uview-ui`）	列表 / 弹窗 / 表单等通用组件
	自研 `components/tz/`	音频 / 视频 / 媒体编辑 / 上传 / 文件预览等 45+ 业务组件
	qiun-data-charts	图表可视化
状态管理	Vuex 3	全局登录态 / 用户信息等
国际化	vue-i18n 8	内置 zh-CN / US 多语言
网络请求	flyio + 自封装 `$api`	`$api('module.action')` 点分路由，统一鉴权 / 错误处理 / 401 跳转
音视频播放	阿里云播放器 Aliplayer（H5，本地化资源）、hls.js / flv.js	直播与点播，支持倍速 / 弹幕 / 水印等组件
微信能力	jweixin-module	微信登录 / 分享 JS-SDK 封装
构建工具	@vue/cli 5 + webpack	由 `@dcloudio/vue-cli-plugin-uni` 驱动多端编译
测试	Jest	多端单元测试（`npm run test:*`）

四、快速开始

环境要求：Node.js >= 14（建议 16/18）、npm

# ① 安装依赖  
npm install  

# ② H5 开发（默认不启用 Mock，对接真实后端；如需 Mock 见「Mock 数据」）  
npm run dev:h5

浏览器访问 http://localhost:8080 即可看到完整页面效果。

微信小程序编译：

# ③ 小程序开发模式（监听编译，产物在 dist/dev/mp-weixin）  
npm run dev:mp-weixin  

# ④ 小程序生产构建（内置 TDesign 适配补丁，产物在 dist/build/mp-weixin）  
npm run build:mp-weixin

用微信开发者工具「导入项目」选择对应产物目录（开发选 dist/dev/mp-weixin，生产选 dist/build/mp-weixin），并在 src/manifest.json 中替换为自己的 appid。

对接真实后端：

修改 src/siteinfo.js 中的 siteroot 为你的后端地址；
在 src/common/request/api_list.js 中核对接口地址与 {code, msg, data} 协议；
微信小程序构建需在 src/manifest.json 中替换为自己的 appid。

五、构建

目标	命令
H5	`npm run build:h5`
微信小程序	`npm run build:mp-weixin`

小程序构建内置 TDesign 适配补丁（scripts/），构建成功后产物在 dist/build/ 下。

⚠️ 注意：当前版本不支持 App 打包，仅支持 H5 与微信小程序两个平台。

六、Mock 数据

H5 开发模式（NODE_ENV=development）默认关闭，全部走真实后端接口；
开启方式：将 src/static/config.js 的 enableMock 改为 true（显式设置优先级最高），或通过 uni.setStorageSync('enableMock', true) / 环境变量 MOCK_ENABLE 切换；
覆盖 200+ 接口，fixture 位于 src/mock/data/，按 module/action 路由镜像；
未覆盖的接口自动透传真实网络并输出提示；
Mock 数据由仓库内 mock-crawler 工具采集真实后端响应生成，发布前已做敏感字段脱敏（token/openid/手机号等）。

七、目录结构

src/  
├── pages/        页面（index 主包 + public/app/user/order/course 五个分包，约 100+ 页面）  
│   ├── index/        首页（主包唯一页面，tabBar 入口）  
│   ├── launch/       启动页（加载与参数透传跳转，未在 pages.json 注册）  
│   ├── public/       公共分包：登录 / 注册 / 找回密码 / 协议 / 搜索 / 消息 / 结果页等  
│   ├── app/          业务功能分包：活动 / 圈子 / 考试 / 优惠券 / 积分 / 签到 / 证书 / 分销 / 直播带货等  
│   ├── user/         用户分包：个人中心 / 资产 / 余额 / 地址 / 收藏 / 学习记录 / 订阅 / 红包等  
│   ├── order/        订单分包：订单列表 / 详情 / 提交 / 评价 / 售后 / 物流等  
│   ├── course/       课程分包：课程详情 / 分类 / 专栏 / 小组 / 直播等  
│   └── template/     页面模板（新建页面的三文件拆分参考，未在 pages.json 注册）  
├── components/   组件（tz/ 自研组件库、uview-ui、qiun-data-charts、视频播放器等）  
├── common/       公共层  
│   ├── request/  接口封装（$api 点分路由、统一鉴权/错误处理）  
│   ├── utils/    工具（路由映射、支付、直播、OSS 签名等）  
│   ├── order/    订单状态处理  
│   └── wechat/   微信登录/分享 SDK 封装  
├── mock/         Mock 数据（H5 开发模式默认关闭，开启方式见「六、Mock 数据」）  
├── static/       静态资源  
├── pages.json    页面路由与分包配置  
└── manifest.json 应用配置（appid 等）

八、开发约定

页面采用 xxx.vue + js.vue + css.css 三文件拆分（<script src="./js.vue"> + @import "./css.css"），逻辑与样式分离；
接口调用统一走 this.$api('module.action', data)，登录态、401 跳转、错误提示由拦截器统一处理；
业务组件优先复用 components/tz/ 自研组件库；
提交信息遵循 Conventional Commits（feat: / fix: / chore:）。

九、相关链接

名称	链接
使用文档	https://wood-soft.feishu.cn/wiki/KKLkwOPBHiButJkTluTcoXKenjh
功能列表	https://wood-soft.feishu.cn/wiki/YGFYw0k8PiJDWxketgHcBNKNnxe
授权价格	https://www.tuzhi.ltd/index/pricing/version.html
功能演示	https://www.tuzhi.ltd/index/demo/index.html

十、软件安全

安全问题请通过 Issue（需注明"安全"）或邮件私下报告给项目维护团队，请勿在公开渠道描述可利用的漏洞细节。我们将在确认后尽快修复并同步发布。

十一、使用许可

本软件遵循 凸知开源协议 V1.0（非商业用途免费，商业用途需购买商业授权），详见 LICENSE；
第三方组件许可声明见 THIRD-PARTY-NOTICES.md（发布前请核对）；

收起阅读 »

【项目转让/可二开】已上线人才×项目撮合平台｜完整前后端+管理后台，可直接部署运营

外包

【项目转让/可二开】已上线人才×项目撮合平台｜完整前后端+管理后台，可直接部署运营

正文：

手上有一套已经开发完成并上线的人才/项目双边撮合平台，目前准备整体转让，也接受基于现有系统做二次开发。

当前业务场景是：项目方发布需求 → 程序员/服务方入驻 → 平台审核 → 人工匹配撮合 → 跟进项目。

不是单独卖一个前端模板，项目包含完整的：

Web 前端
后端服务
管理后台
数据库结构
用户/需求等核心业务模块
部署配置
已上线域名及现有项目资产（具体交接范围可谈）

系统目前做的是程序员项目撮合，但底层属于双边供需平台，因此也可以继续二开成：

兼职招聘 / 灵活用工 / 自由职业 / 企业服务 / 本地服务 / 技术外包 / 供需撮合等平台。

为什么转让

个人精力和后续发展方向调整，不准备继续长期运营，所以考虑把完整项目交给真正有需求的人继续做。

适合谁
正准备开发人才、兼职、灵工、接单、撮合类产品的人；
想直接拿现成系统二开，不想从0开发的人；
有获客/运营能力，但缺技术产品的团队；
软件公司/工作室，可作为现成项目底座继续开发。
合作方式

A：整套项目独家转让

完成交易后按照约定交接源码、数据库、后台及部署资料等，不是单纯多份源码授权。

B：基于现有系统二开

如果你正好有类似项目需求，但不想直接买整套，也可以把需求发给我，可以在现有系统基础上修改。

有兴趣可以私聊我，先看线上 Demo 和后台，再决定是否继续谈

继续阅读 »

#需求# uniapp亟待优化

新需求

2020年chromium 83之后不再兼容4.4，app端js engine一直停在基于83的版本。uniapp应该提供“现代”的js引擎，让开发者能按需选择
更灵活的针对vue3 patch的方式，让开发者能按需使用，或者定期跟进vue 3 大版本
vite vue3分包下打包到app，依然还是将js合到一个大的app-service.js中，分包的css也不支持手动配置优化。应该能按照vite的打包配置，拆分（js/css）到各个chunk，应用启动时只加载首页资源，同时可以利用类似link prefetch/module preload的特性，让开发者能按需预载其它页面需要的（静态）资源。以达到最高的加载效率
uniapp目前还在用着老旧的vite/sass版本，但在cli项目中手动更新至vite 7/sass 1.100 其实是能正常运行的，只是组件库基本都因为过时方式导致过多sass警告信息

。。。

继续阅读 »

uniappx 基础脚手架，拒绝重复造轮子

uniappx 基础脚手架，包含功能：

基础简单的登录示例代码
request请求封装
跳转 + 登录白名单/拦截
版本更新(多渠道，应用市场，蒲公英分发或第三方链接等平台)
文件的上传下载
图像裁剪上传封装
主题的切换，包括明暗主题与自定义主题等

继续阅读 »

如何实现上下切换的页面间跳转动画

使用pageTransition函数实现页面转场效果。通过PageTransitionEnter和PageTransitionExit指定页面进入和退出的动画效果。将slide属性设置为SlideEffect.Bottom，页面入场时从下方滑入，出场时滑出到下方，从而实现上下切换效果。参考代码如下：

// Index.ets
@Entry
@Component
struct PageTransition1 {
pageInfos: NavPathStack = new NavPathStack();

build() {
Stack({ alignContent: Alignment.Bottom }) {
Navigation(this.pageInfos) {
Image($r('app.media.ic_banner01')).width('100%').height(200) // The image is stored in the media folder
}
}.height('100%').width('100%')
}

pageTransition() {
PageTransitionEnter({ duration: 500, curve: Curve.Linear }).slide(SlideEffect.Bottom)
PageTransitionExit({ duration: 500, curve: Curve.Ease }).slide(SlideEffect.Bottom)
}
}
// Page1.ets
@Entry
@Component
struct PageTransition2 {
pageInfos: NavPathStack = new NavPathStack();

build() {
Stack({ alignContent: Alignment.Bottom }) {
Navigation(this.pageInfos) {
Image($r('app.media.ic_banner02')).width('100%').height(200) // The image is stored in the media folder
}
}.height('100%').width('100%')
}

pageTransition() {
PageTransitionEnter({ duration: 500, curve: Curve.Linear }).slide(SlideEffect.Bottom)
PageTransitionExit({ duration: 500, curve: Curve.Ease }).slide(SlideEffect.Bottom)
}
}
https://coub.com/stories/5089937-coventry
https://coub.com/stories/5089936-city
https://coub.com/stories/5089935-derby
https://coub.com/stories/5089934-chester
https://coub.com/stories/5089932-uclan
https://coub.com/stories/5089930-cardiff
https://coub.com/stories/5089928-uwic
https://coub.com/stories/5089925-certificate-uc
https://coub.com/stories/5089923-degree-cantab
https://coub.com/stories/5089921-graduation-ucb
https://coub.com/stories/5089918-brunel
https://coub.com/stories/5089916-bristol
https://coub.com/stories/5089914-brighton
https://coub.com/stories/5089911-bradford
https://coub.com/stories/5089909-bpp
https://coub.com/stories/5089906-bu
https://coub.com/stories/5089904-bolton
https://coub.com/stories/5089903-ucb
https://coub.com/stories/5089902-bcu
https://coub.com/stories/5089901-uob
https://coub.com/stories/5089900-bbk
https://coub.com/stories/5089899-bedfordhire
https://coub.com/stories/5089898-1-1bath
https://coub.com/stories/5089897-bangor
https://coub.com/stories/5089896-aston
https://coub.com/stories/5089895-copyual
https://coub.com/stories/5089894-aub
https://coub.com/stories/5089893-aber
https://coub.com/stories/5089892-abertay
https://coub.com/stories/5089890-au
https://coub.com/stories/5089888-langara
https://coub.com/stories/5089885-uofs
https://coub.com/stories/5089883-uofr
https://coub.com/stories/5089881-mcgill
https://coub.com/stories/5089878-concordia
https://coub.com/stories/5089876-mcmaste
https://coub.com/stories/5089874-yu
https://coub.com/stories/5089871-wlu
https://coub.com/stories/5089868-windsor
https://coub.com/stories/5089866-certificate-uwo
https://coub.com/stories/5089864-degree-waterloo
https://coub.com/stories/5089861-graduation-uoft
https://coub.com/stories/5089859-cbu
https://coub.com/stories/5089857-uoit
https://coub.com/stories/5089855-uottawa
https://coub.com/stories/5089852-uofg
https://coub.com/stories/5089850-carleton
https://coub.com/stories/5089847-brock
https://coub.com/stories/5089846-msvu
https://coub.com/stories/5089845-dalhousie
https://coub.com/stories/5089835
https://coub.com/stories/5089838-degree-mun
https://coub.com/stories/5089837-graduation-tru
https://coub.com/stories/5089836-ubc
https://coub.com/stories/5089835
https://coub.com/stories/5089834-bu
https://coub.com/stories/5089833-vancouver
https://coub.com/stories/5089832-ufv
https://coub.com/stories/5089831-unbc
https://coub.com/stories/5089829-ubc
https://coub.com/stories/5089828-sfu
https://coub.com/stories/5089827-kpu
https://coub.com/stories/5089826-macewan
https://coub.com/stories/5089825-uofl
https://coub.com/stories/5089824-certificate-uc
https://coub.com/stories/5089823-degree-ua
https://coub.com/stories/5089822-graduation-ua
https://coub.com/stories/5089821-asu
https://coub.com/stories/5089820-uh
https://coub.com/stories/5089819-ucsd
https://coub.com/stories/5089818-stanford
https://coub.com/stories/5089817-fsu
https://coub.com/stories/5089816-ohio
https://coub.com/stories/5089815-ku
https://coub.com/stories/5089814-missouri
https://coub.com/stories/5089813-iowa
https://coub.com/stories/5089812-twincities
https://coub.com/stories/5089811-mississippi
https://coub.com/stories/5089810-um
https://coub.com/stories/5089808-temple
https://coub.com/stories/5089809-gwu
https://coub.com/stories/5089807-ucsb
https://coub.com/stories/5089806-uci
https://coub.com/stories/5089805-brandeis
https://coub.com/stories/5089804-wfu
https://coub.com/stories/5089803-tufts
https://coub.com/stories/5089802-uva
https://coub.com/stories/5089801-ucb
https://coub.com/stories/5089800-vandy
https://coub.com/stories/5089799-emory
https://coub.com/stories/5089798-rice
https://coub.com/stories/5089797-duke
https://coub.com/stories/5089796-princeton
https://coub.com/stories/5089795-pace
https://coub.com/stories/5089794-utk
https://coub.com/stories/5089793-mit
https://coub.com/stories/5089792-msu
https://coub.com/stories/5089791-psu
https://coub.com/stories/5089790-usc
https://coub.com/stories/5089789-seattle
https://coub.com/stories/5089788-nyu
https://coub.com/stories/5089787-wsu
https://coub.com/stories/5089786-ucla
https://coub.com/stories/5089785-osu
https://coub.com/stories/5089784-uts
https://coub.com/stories/5089783-unsw
https://coub.com/stories/5089782-uow
https://coub.com/stories/5089781-usyd
https://coub.com/stories/5089780-uon
https://coub.com/stories/5089779-une
https://coub.com/stories/5089778-uws
https://coub.com/stories/5089777-scu
https://coub.com/stories/5089776-monash
https://coub.com/stories/5089775-sut
https://coub.com/stories/5089774-latrobe
https://coub.com/stories/5089773-unimelb
https://coub.com/stories/5089772-rmit
https://coub.com/stories/5089771-deakin
https://coub.com/stories/5089770-swinburne
https://coub.com/stories/5089769-utas
https://coub.com/stories/5089768-victoria
https://coub.com/stories/5089767-adelaide
https://coub.com/stories/5089766-unisa
https://coub.com/stories/5089765-uc
https://coub.com/stories/5089764-acu
https://coub.com/stories/5089763-anu
https://coub.com/stories/5089762-uc
https://coub.com/stories/5089761-cdu
https://coub.com/stories/5089760-ecu
https://coub.com/stories/5089759-murdoch
https://coub.com/stories/5089758-uwa
https://coub.com/stories/5089757-curtin
https://coub.com/stories/5089756-utas
https://coub.com/stories/5089755-usq
https://coub.com/stories/5089754-bond
https://coub.com/stories/5089753-jcu
https://coub.com/stories/5089752-qut
https://coub.com/stories/5089751-cqu
https://coub.com/stories/5089750-jcu
https://coub.com/stories/5089749-griffith
https://coub.com/stories/5089748-uq

继续阅读 »

使用pageTransition函数实现页面转场效果。通过PageTransitionEnter和PageTransitionExit指定页面进入和退出的动画效果。将slide属性设置为SlideEffect.Bottom，页面入场时从下方滑入，出场时滑出到下方，从而实现上下切换效果。参考代码如下：

// Index.ets
@Entry
@Component
struct PageTransition1 {
pageInfos: NavPathStack = new NavPathStack();

build() {
Stack({ alignContent: Alignment.Bottom }) {
Navigation(this.pageInfos) {
Image($r('app.media.ic_banner01')).width('100%').height(200) // The image is stored in the media folder
}
}.height('100%').width('100%')
}

pageTransition() {
PageTransitionEnter({ duration: 500, curve: Curve.Linear }).slide(SlideEffect.Bottom)
PageTransitionExit({ duration: 500, curve: Curve.Ease }).slide(SlideEffect.Bottom)
}
}
// Page1.ets
@Entry
@Component
struct PageTransition2 {
pageInfos: NavPathStack = new NavPathStack();

build() {
Stack({ alignContent: Alignment.Bottom }) {
Navigation(this.pageInfos) {
Image($r('app.media.ic_banner02')).width('100%').height(200) // The image is stored in the media folder
}
}.height('100%').width('100%')
}

pageTransition() {
PageTransitionEnter({ duration: 500, curve: Curve.Linear }).slide(SlideEffect.Bottom)
PageTransitionExit({ duration: 500, curve: Curve.Ease }).slide(SlideEffect.Bottom)
}
}
https://coub.com/stories/5089937-coventry
https://coub.com/stories/5089936-city
https://coub.com/stories/5089935-derby
https://coub.com/stories/5089934-chester
https://coub.com/stories/5089932-uclan
https://coub.com/stories/5089930-cardiff
https://coub.com/stories/5089928-uwic
https://coub.com/stories/5089925-certificate-uc
https://coub.com/stories/5089923-degree-cantab
https://coub.com/stories/5089921-graduation-ucb
https://coub.com/stories/5089918-brunel
https://coub.com/stories/5089916-bristol
https://coub.com/stories/5089914-brighton
https://coub.com/stories/5089911-bradford
https://coub.com/stories/5089909-bpp
https://coub.com/stories/5089906-bu
https://coub.com/stories/5089904-bolton
https://coub.com/stories/5089903-ucb
https://coub.com/stories/5089902-bcu
https://coub.com/stories/5089901-uob
https://coub.com/stories/5089900-bbk
https://coub.com/stories/5089899-bedfordhire
https://coub.com/stories/5089898-1-1bath
https://coub.com/stories/5089897-bangor
https://coub.com/stories/5089896-aston
https://coub.com/stories/5089895-copyual
https://coub.com/stories/5089894-aub
https://coub.com/stories/5089893-aber
https://coub.com/stories/5089892-abertay
https://coub.com/stories/5089890-au
https://coub.com/stories/5089888-langara
https://coub.com/stories/5089885-uofs
https://coub.com/stories/5089883-uofr
https://coub.com/stories/5089881-mcgill
https://coub.com/stories/5089878-concordia
https://coub.com/stories/5089876-mcmaste
https://coub.com/stories/5089874-yu
https://coub.com/stories/5089871-wlu
https://coub.com/stories/5089868-windsor
https://coub.com/stories/5089866-certificate-uwo
https://coub.com/stories/5089864-degree-waterloo
https://coub.com/stories/5089861-graduation-uoft
https://coub.com/stories/5089859-cbu
https://coub.com/stories/5089857-uoit
https://coub.com/stories/5089855-uottawa
https://coub.com/stories/5089852-uofg
https://coub.com/stories/5089850-carleton
https://coub.com/stories/5089847-brock
https://coub.com/stories/5089846-msvu
https://coub.com/stories/5089845-dalhousie
https://coub.com/stories/5089835
https://coub.com/stories/5089838-degree-mun
https://coub.com/stories/5089837-graduation-tru
https://coub.com/stories/5089836-ubc
https://coub.com/stories/5089835
https://coub.com/stories/5089834-bu
https://coub.com/stories/5089833-vancouver
https://coub.com/stories/5089832-ufv
https://coub.com/stories/5089831-unbc
https://coub.com/stories/5089829-ubc
https://coub.com/stories/5089828-sfu
https://coub.com/stories/5089827-kpu
https://coub.com/stories/5089826-macewan
https://coub.com/stories/5089825-uofl
https://coub.com/stories/5089824-certificate-uc
https://coub.com/stories/5089823-degree-ua
https://coub.com/stories/5089822-graduation-ua
https://coub.com/stories/5089821-asu
https://coub.com/stories/5089820-uh
https://coub.com/stories/5089819-ucsd
https://coub.com/stories/5089818-stanford
https://coub.com/stories/5089817-fsu
https://coub.com/stories/5089816-ohio
https://coub.com/stories/5089815-ku
https://coub.com/stories/5089814-missouri
https://coub.com/stories/5089813-iowa
https://coub.com/stories/5089812-twincities
https://coub.com/stories/5089811-mississippi
https://coub.com/stories/5089810-um
https://coub.com/stories/5089808-temple
https://coub.com/stories/5089809-gwu
https://coub.com/stories/5089807-ucsb
https://coub.com/stories/5089806-uci
https://coub.com/stories/5089805-brandeis
https://coub.com/stories/5089804-wfu
https://coub.com/stories/5089803-tufts
https://coub.com/stories/5089802-uva
https://coub.com/stories/5089801-ucb
https://coub.com/stories/5089800-vandy
https://coub.com/stories/5089799-emory
https://coub.com/stories/5089798-rice
https://coub.com/stories/5089797-duke
https://coub.com/stories/5089796-princeton
https://coub.com/stories/5089795-pace
https://coub.com/stories/5089794-utk
https://coub.com/stories/5089793-mit
https://coub.com/stories/5089792-msu
https://coub.com/stories/5089791-psu
https://coub.com/stories/5089790-usc
https://coub.com/stories/5089789-seattle
https://coub.com/stories/5089788-nyu
https://coub.com/stories/5089787-wsu
https://coub.com/stories/5089786-ucla
https://coub.com/stories/5089785-osu
https://coub.com/stories/5089784-uts
https://coub.com/stories/5089783-unsw
https://coub.com/stories/5089782-uow
https://coub.com/stories/5089781-usyd
https://coub.com/stories/5089780-uon
https://coub.com/stories/5089779-une
https://coub.com/stories/5089778-uws
https://coub.com/stories/5089777-scu
https://coub.com/stories/5089776-monash
https://coub.com/stories/5089775-sut
https://coub.com/stories/5089774-latrobe
https://coub.com/stories/5089773-unimelb
https://coub.com/stories/5089772-rmit
https://coub.com/stories/5089771-deakin
https://coub.com/stories/5089770-swinburne
https://coub.com/stories/5089769-utas
https://coub.com/stories/5089768-victoria
https://coub.com/stories/5089767-adelaide
https://coub.com/stories/5089766-unisa
https://coub.com/stories/5089765-uc
https://coub.com/stories/5089764-acu
https://coub.com/stories/5089763-anu
https://coub.com/stories/5089762-uc
https://coub.com/stories/5089761-cdu
https://coub.com/stories/5089760-ecu
https://coub.com/stories/5089759-murdoch
https://coub.com/stories/5089758-uwa
https://coub.com/stories/5089757-curtin
https://coub.com/stories/5089756-utas
https://coub.com/stories/5089755-usq
https://coub.com/stories/5089754-bond
https://coub.com/stories/5089753-jcu
https://coub.com/stories/5089752-qut
https://coub.com/stories/5089751-cqu
https://coub.com/stories/5089750-jcu
https://coub.com/stories/5089749-griffith
https://coub.com/stories/5089748-uq

收起阅读 »

【扫码】uni.scanCode ios调用报错，安卓正常，怎么解决

开发自定义键盘，HarmonyOS中有没有长按按键子项生成气泡效果的API

问题现象
按键子项生成气泡效果用什么组件实现好？

效果预览
点击放大

背景知识
使用自定义键盘实现官网示例代码进行自定义键盘调试，然后用LongPressGesture增加长按手势事件，最后使用Popup控制为组件绑定Popup气泡，使用Popup气泡，如果按键处于边缘位置，组件会自动偏移，完整的显示在屏幕中间。

解决方案
自定义键盘没有直接长按生成气泡的接口，需要自定义长按逻辑，手指在长按小键盘组件时，使用Popup生成一个气泡，在气泡生成之后，使用onTouch获取手指位置并且根据气泡组件的位置和横向大小，计算当前手指划过的距离从而标记手指当前选择的内容。

代码实现思路如下：

创建变量控制气泡显隐样式以及气泡在边缘的位置：
@State customPopup: boolean = false;
@State indexNum: number = 0;
// 手指位置1、2、3、4（长按气泡中显示的内容数量）四个参数，分别代指长按后出现的四个位置，参数值与实际业务有关。
@State fingerRect: string = '1';
// 组件宽度
@State widthRect: number = 0;
// 键盘宽度
@State inputWidthRect: number = 0;
// 判断是否在偏右侧位置
@State isRight: boolean = false;
增加LongPressGesture长按控制手势，在onAction事件中增加逻辑，让气泡仅显示在指定按键上方；长按手势默认最短长按时间为500毫秒，可配置duration参数控制最短长按时长：
.gesture(
// 绑定可以重复触发的LongPressGesture
LongPressGesture({ repeat: true })
.onAction(() => {
for (let i = 0; i < EnglishKeyboardData[0].length; i++) {
if (item.text === EnglishKeyboardData[0][i].text) {
this.indexNum = i;
break;
}
}
this.customPopup = true;
})
.onActionEnd(() => {
this.customPopup = !this.customPopup;
})
)
增加bindPopup气泡控制，设置placement: Placement.TopRight,让气泡显示在按钮上方，通过this.popupBuilder(item)给自定义气泡组件传参然后自定义气泡内容：
.bindPopup(this.customPopup && EnglishKeyboardData[0].indexOf(item) === this.indexNum, {
// CustomPopupOptions类型气泡的内容
builder: this.popupBuilder(item),
placement: Placement.TopLeft,
targetSpace: '15vp',
enableArrow: false,
onStateChange: (e) => {
if (!e.isVisible) {
this.customPopup = false;
}
}
})
@Builder
popupBuilder(item: Menu) {
Row() {
ForEach([1, 2, 3, 4], (num: number, index: number) => {
if (this.fingerRect === index + 1 + '') {
Row() {
Text(item.text + '' + num)
.fontColor(Color.White);
}
.globalFancy()
.backgroundColor(Color.Blue)
.justifyContent(FlexAlign.Center);
} else {
Row() {
Text(item.text + '' + num);
}
.globalFancy()
.justifyContent(FlexAlign.Center);
}
}, (num: number) => JSON.stringify(num));
}
.height(50)
.width(150)
.padding(5)
.justifyContent(FlexAlign.SpaceAround)
.onAreaChange((oldVal, newVal) => {
// 如果此时键盘在偏右侧位置，需要重新计算位置
this.isRight = this.inputWidthRect <= Math.ceil(Number(newVal.globalPosition.x) + Number(newVal.width));
});
}
使用onAreaChange监听新生成的气泡组件的宽度，再使用onTouch事件获取当前手指的坐标，然后根据手指的坐标和气泡组件的宽度，获取当前手指在气泡组件中的位置：
.onTouch((event) => {
// 获取当前手指的坐标（相对于父容器，与组件rect的坐标系一致）
const fingerX = event.touches[0].x;
// 靠近右边屏幕时，需要特殊处理。
this.fingerRect =
this.isRight ? Math.ceil(((fingerX + event.touches[0].displayX) - 230) / this.widthRect) + '' :
Math.ceil(fingerX / this.widthRect) + '';
this.fingerRect =
(Number(this.fingerRect) <= 1) ? '1' : Number(this.fingerRect) >= 4 ? '4' : this.fingerRect;
})
.onAreaChange((oldVal, newVal) => {
this.widthRect = Number(newVal.width);
});
参考官网自定义键盘实现，将demo中的NumberKeyboard文件替换为以下示例代码：

// 该场景代码基于自定义键盘实现官网示例代码https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-custom-keyboard#section1680905412256进行调试；
// 修改demo中NumberKeyboard文件如下
@Component
export struct NumberKeyboard {
@State customPopup: boolean = false;
@State indexNum: number = 0;
// 手指位置1、2、3、4（长按气泡中显示的内容数量）四个参数，分别代指长按后出现的四个位置，参数值与实际业务有关。
@State fingerRect: string = '1';
// 组件宽度
@State widthRect: number = 0;
// 键盘宽度
@State inputWidthRect: number = 0;
// 判断是否在偏右侧位置
@State isRight: boolean = false;

build() {
Row() {
Scroll() {
Column() {
Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {
ForEach(EnglishKeyboardData[0], (item: Menu) => {
EnglishButton({ item: item })
.gesture(
// 绑定可以重复触发的LongPressGesture
LongPressGesture({ repeat: true })
.onAction(() => {
for (let i = 0; i < EnglishKeyboardData[0].length; i++) {
if (item.text === EnglishKeyboardData[0][i].text) {
this.indexNum = i;
break;
}
}
this.customPopup = true;
})
.onActionEnd(() => {
this.customPopup = !this.customPopup;
})
)
.bindPopup(this.customPopup && EnglishKeyboardData[0].indexOf(item) === this.indexNum, {
// CustomPopupOptions类型气泡的内容
builder: this.popupBuilder(item),
placement: Placement.TopLeft,
targetSpace: '15vp',
enableArrow: false,
onStateChange: (e) => {
if (!e.isVisible) {
this.customPopup = false;
}
}
})
.onTouch((event) => {
// 获取当前手指的坐标（相对于父容器，与组件rect的坐标系一致）
const fingerX = event.touches[0].x;
// 靠近右边屏幕时，需要特殊处理。
this.fingerRect =
this.isRight ? Math.ceil(((fingerX + event.touches[0].displayX) - 230) / this.widthRect) + '' :
Math.ceil(fingerX / this.widthRect) + '';
this.fingerRect =
(Number(this.fingerRect) <= 1) ? '1' : Number(this.fingerRect) >= 4 ? '4' : this.fingerRect;
})
.onAreaChange((oldVal, newVal) => {
this.widthRect = Number(newVal.width);
});
}, (item: Menu) => JSON.stringify(item));
};

      Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {  
        ForEach(EnglishKeyboardData[1], (item: Menu) => {  
          EnglishButton({ item: item });  
        }, (item: Menu) => JSON.stringify(item));  
      }  
      .padding({  
        left: 18,  
        right: 18,  
        top: 11  
      });  

      Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {  
        ForEach(EnglishKeyboardData[2], (item: Menu) => {  
          EnglishButton({ item: item });  
        }, (item: Menu) => JSON.stringify(item));  
      }  
      .padding({ top: 11 });  

      Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {  
        ForEach(EnglishKeyboardData[3], (item: Menu) => {  
          EnglishButton({ item: item });  
        }, (item: Menu) => JSON.stringify(item));  
      }  
      .padding({ top: 11 });  
    }  
    .onAreaChange((oldVal, newVal) => {  
      // 键盘宽度  
      this.inputWidthRect = Math.ceil(Number(newVal.globalPosition.x) + Number(newVal.width));  
    });  
  }  
  .scrollable(ScrollDirection.Horizontal)  
  .scrollBar(BarState.Off);  
};

}

@Builder
popupBuilder(item: Menu) {
Row() {
ForEach([1, 2, 3, 4], (num: number, index: number) => {
if (this.fingerRect === index + 1 + '') {
Row() {
Text(item.text + '' + num)
.fontColor(Color.White);
}
.globalFancy()
.backgroundColor(Color.Blue)
.justifyContent(FlexAlign.Center);
} else {
Row() {
Text(item.text + '' + num);
}
.globalFancy()
.justifyContent(FlexAlign.Center);
}
}, (num: number) => JSON.stringify(num));
}
.height(50)
.width(150)
.padding(5)
.justifyContent(FlexAlign.SpaceAround)
.onAreaChange((oldVal, newVal) => {
// 如果此时键盘在偏右侧位置，需要重新计算位置
this.isRight = this.inputWidthRect <= Math.ceil(Number(newVal.globalPosition.x) + Number(newVal.width));
});
}

}

@Styles
function globalFancy() {
.borderRadius(10)
.width('25%')
.height('100%');
}

// [Start EnglishButton_start]
@Component
struct EnglishButton {
@Consume inputText: string;
// [StartExclude EnglishButton_start]
@Prop item: Menu;
@Consume keyboardController: KeyboardController;

getEnglishText(item: Menu): string | Resource {
if (this.keyboardController.isUpperCase && item.upperText) {
return item.upperText;
} else {
return item.text;
}
}

// [EndExclude EnglishButton_start]

build() {
Button({ type: ButtonType.Normal }) {
if (typeof this.getEnglishText(this.item) === 'string' ||
(this.getEnglishText(this.item) as Resource).type !== Constants.RESOURCE_TYPE_MEDIA) {
Text(this.getEnglishText(this.item));
} else {
Image(this.getEnglishText(this.item))
.width(Constants.KEYBOARD_BUTTON_FONTSIZE_18)
.height(Constants.KEYBOARD_BUTTON_FONTSIZE_18);
}
}
.fontColor(Color.Black)
.backgroundColor(this.item.backgroundColor)
.borderRadius(Constants.KEYBOARD_BUTTON_RADIUS)
.fontSize(Constants.KEYBOARD_BUTTON_FONTSIZE_18)
.padding(0)
.width(this.item.width)
.height(this.item.height)
.onClick(() => {
this.inputText = this.keyboardController.onInput(this.getEnglishText(this.item));
});
}
}

// [End EnglishButton_start]
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继续阅读 »

问题现象
按键子项生成气泡效果用什么组件实现好？

效果预览
点击放大

背景知识
使用自定义键盘实现官网示例代码进行自定义键盘调试，然后用LongPressGesture增加长按手势事件，最后使用Popup控制为组件绑定Popup气泡，使用Popup气泡，如果按键处于边缘位置，组件会自动偏移，完整的显示在屏幕中间。

解决方案
自定义键盘没有直接长按生成气泡的接口，需要自定义长按逻辑，手指在长按小键盘组件时，使用Popup生成一个气泡，在气泡生成之后，使用onTouch获取手指位置并且根据气泡组件的位置和横向大小，计算当前手指划过的距离从而标记手指当前选择的内容。

代码实现思路如下：

创建变量控制气泡显隐样式以及气泡在边缘的位置：
@State customPopup: boolean = false;
@State indexNum: number = 0;
// 手指位置1、2、3、4（长按气泡中显示的内容数量）四个参数，分别代指长按后出现的四个位置，参数值与实际业务有关。
@State fingerRect: string = '1';
// 组件宽度
@State widthRect: number = 0;
// 键盘宽度
@State inputWidthRect: number = 0;
// 判断是否在偏右侧位置
@State isRight: boolean = false;
增加LongPressGesture长按控制手势，在onAction事件中增加逻辑，让气泡仅显示在指定按键上方；长按手势默认最短长按时间为500毫秒，可配置duration参数控制最短长按时长：
.gesture(
// 绑定可以重复触发的LongPressGesture
LongPressGesture({ repeat: true })
.onAction(() => {
for (let i = 0; i < EnglishKeyboardData[0].length; i++) {
if (item.text === EnglishKeyboardData[0][i].text) {
this.indexNum = i;
break;
}
}
this.customPopup = true;
})
.onActionEnd(() => {
this.customPopup = !this.customPopup;
})
)
增加bindPopup气泡控制，设置placement: Placement.TopRight,让气泡显示在按钮上方，通过this.popupBuilder(item)给自定义气泡组件传参然后自定义气泡内容：
.bindPopup(this.customPopup && EnglishKeyboardData[0].indexOf(item) === this.indexNum, {
// CustomPopupOptions类型气泡的内容
builder: this.popupBuilder(item),
placement: Placement.TopLeft,
targetSpace: '15vp',
enableArrow: false,
onStateChange: (e) => {
if (!e.isVisible) {
this.customPopup = false;
}
}
})
@Builder
popupBuilder(item: Menu) {
Row() {
ForEach([1, 2, 3, 4], (num: number, index: number) => {
if (this.fingerRect === index + 1 + '') {
Row() {
Text(item.text + '' + num)
.fontColor(Color.White);
}
.globalFancy()
.backgroundColor(Color.Blue)
.justifyContent(FlexAlign.Center);
} else {
Row() {
Text(item.text + '' + num);
}
.globalFancy()
.justifyContent(FlexAlign.Center);
}
}, (num: number) => JSON.stringify(num));
}
.height(50)
.width(150)
.padding(5)
.justifyContent(FlexAlign.SpaceAround)
.onAreaChange((oldVal, newVal) => {
// 如果此时键盘在偏右侧位置，需要重新计算位置
this.isRight = this.inputWidthRect <= Math.ceil(Number(newVal.globalPosition.x) + Number(newVal.width));
});
}
使用onAreaChange监听新生成的气泡组件的宽度，再使用onTouch事件获取当前手指的坐标，然后根据手指的坐标和气泡组件的宽度，获取当前手指在气泡组件中的位置：
.onTouch((event) => {
// 获取当前手指的坐标（相对于父容器，与组件rect的坐标系一致）
const fingerX = event.touches[0].x;
// 靠近右边屏幕时，需要特殊处理。
this.fingerRect =
this.isRight ? Math.ceil(((fingerX + event.touches[0].displayX) - 230) / this.widthRect) + '' :
Math.ceil(fingerX / this.widthRect) + '';
this.fingerRect =
(Number(this.fingerRect) <= 1) ? '1' : Number(this.fingerRect) >= 4 ? '4' : this.fingerRect;
})
.onAreaChange((oldVal, newVal) => {
this.widthRect = Number(newVal.width);
});
参考官网自定义键盘实现，将demo中的NumberKeyboard文件替换为以下示例代码：

// 该场景代码基于自定义键盘实现官网示例代码https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-custom-keyboard#section1680905412256进行调试；
// 修改demo中NumberKeyboard文件如下
@Component
export struct NumberKeyboard {
@State customPopup: boolean = false;
@State indexNum: number = 0;
// 手指位置1、2、3、4（长按气泡中显示的内容数量）四个参数，分别代指长按后出现的四个位置，参数值与实际业务有关。
@State fingerRect: string = '1';
// 组件宽度
@State widthRect: number = 0;
// 键盘宽度
@State inputWidthRect: number = 0;
// 判断是否在偏右侧位置
@State isRight: boolean = false;

build() {
Row() {
Scroll() {
Column() {
Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {
ForEach(EnglishKeyboardData[0], (item: Menu) => {
EnglishButton({ item: item })
.gesture(
// 绑定可以重复触发的LongPressGesture
LongPressGesture({ repeat: true })
.onAction(() => {
for (let i = 0; i < EnglishKeyboardData[0].length; i++) {
if (item.text === EnglishKeyboardData[0][i].text) {
this.indexNum = i;
break;
}
}
this.customPopup = true;
})
.onActionEnd(() => {
this.customPopup = !this.customPopup;
})
)
.bindPopup(this.customPopup && EnglishKeyboardData[0].indexOf(item) === this.indexNum, {
// CustomPopupOptions类型气泡的内容
builder: this.popupBuilder(item),
placement: Placement.TopLeft,
targetSpace: '15vp',
enableArrow: false,
onStateChange: (e) => {
if (!e.isVisible) {
this.customPopup = false;
}
}
})
.onTouch((event) => {
// 获取当前手指的坐标（相对于父容器，与组件rect的坐标系一致）
const fingerX = event.touches[0].x;
// 靠近右边屏幕时，需要特殊处理。
this.fingerRect =
this.isRight ? Math.ceil(((fingerX + event.touches[0].displayX) - 230) / this.widthRect) + '' :
Math.ceil(fingerX / this.widthRect) + '';
this.fingerRect =
(Number(this.fingerRect) <= 1) ? '1' : Number(this.fingerRect) >= 4 ? '4' : this.fingerRect;
})
.onAreaChange((oldVal, newVal) => {
this.widthRect = Number(newVal.width);
});
}, (item: Menu) => JSON.stringify(item));
};

      Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {  
        ForEach(EnglishKeyboardData[1], (item: Menu) => {  
          EnglishButton({ item: item });  
        }, (item: Menu) => JSON.stringify(item));  
      }  
      .padding({  
        left: 18,  
        right: 18,  
        top: 11  
      });  

      Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {  
        ForEach(EnglishKeyboardData[2], (item: Menu) => {  
          EnglishButton({ item: item });  
        }, (item: Menu) => JSON.stringify(item));  
      }  
      .padding({ top: 11 });  

      Row({ space: Constants.ENGLISH_KEYBOARD_BUTTON_SPACE }) {  
        ForEach(EnglishKeyboardData[3], (item: Menu) => {  
          EnglishButton({ item: item });  
        }, (item: Menu) => JSON.stringify(item));  
      }  
      .padding({ top: 11 });  
    }  
    .onAreaChange((oldVal, newVal) => {  
      // 键盘宽度  
      this.inputWidthRect = Math.ceil(Number(newVal.globalPosition.x) + Number(newVal.width));  
    });  
  }  
  .scrollable(ScrollDirection.Horizontal)  
  .scrollBar(BarState.Off);  
};

}

@Builder
popupBuilder(item: Menu) {
Row() {
ForEach([1, 2, 3, 4], (num: number, index: number) => {
if (this.fingerRect === index + 1 + '') {
Row() {
Text(item.text + '' + num)
.fontColor(Color.White);
}
.globalFancy()
.backgroundColor(Color.Blue)
.justifyContent(FlexAlign.Center);
} else {
Row() {
Text(item.text + '' + num);
}
.globalFancy()
.justifyContent(FlexAlign.Center);
}
}, (num: number) => JSON.stringify(num));
}
.height(50)
.width(150)
.padding(5)
.justifyContent(FlexAlign.SpaceAround)
.onAreaChange((oldVal, newVal) => {
// 如果此时键盘在偏右侧位置，需要重新计算位置
this.isRight = this.inputWidthRect <= Math.ceil(Number(newVal.globalPosition.x) + Number(newVal.width));
});
}

}

@Styles
function globalFancy() {
.borderRadius(10)
.width('25%')
.height('100%');
}

// [Start EnglishButton_start]
@Component
struct EnglishButton {
@Consume inputText: string;
// [StartExclude EnglishButton_start]
@Prop item: Menu;
@Consume keyboardController: KeyboardController;

getEnglishText(item: Menu): string | Resource {
if (this.keyboardController.isUpperCase && item.upperText) {
return item.upperText;
} else {
return item.text;
}
}

// [EndExclude EnglishButton_start]

build() {
Button({ type: ButtonType.Normal }) {
if (typeof this.getEnglishText(this.item) === 'string' ||
(this.getEnglishText(this.item) as Resource).type !== Constants.RESOURCE_TYPE_MEDIA) {
Text(this.getEnglishText(this.item));
} else {
Image(this.getEnglishText(this.item))
.width(Constants.KEYBOARD_BUTTON_FONTSIZE_18)
.height(Constants.KEYBOARD_BUTTON_FONTSIZE_18);
}
}
.fontColor(Color.Black)
.backgroundColor(this.item.backgroundColor)
.borderRadius(Constants.KEYBOARD_BUTTON_RADIUS)
.fontSize(Constants.KEYBOARD_BUTTON_FONTSIZE_18)
.padding(0)
.width(this.item.width)
.height(this.item.height)
.onClick(() => {
this.inputText = this.keyboardController.onInput(this.getEnglishText(this.item));
});
}
}

// [End EnglishButton_start]
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收起阅读 »

如何获取ArkTS状态管理框架代理前的原始对象

使用getTarget接口获取状态管理框架代理前的原始对象。

参考示例如下：

import { UIUtils } from '@kit.ArkUI';

@Observed
class UserInfo {
name: string = 'Tom';
}

@Entry
@Component
struct GetTargetDemo {
@State info: UserInfo = new UserInfo();

build() {
Column() {
Text(info.name: ${this.info.name})
Button('Change the properties of the proxy object')
.onClick(() => {
this.info.name = 'Alice'; // The Text component can refresh
})
Button('更改原始对象的属性')
.onClick(() => {
let rawInfo: UserInfo = UIUtils.getTarget(this.info);
if (rawInfo) {
rawInfo.name = 'Bob'; // The Text component cannot be refreshed
}
})
}
}
}
参考链接

getTarget接口：获取状态管理框架代理前的原始对象
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继续阅读 »

使用getTarget接口获取状态管理框架代理前的原始对象。

参考示例如下：

import { UIUtils } from '@kit.ArkUI';

@Observed
class UserInfo {
name: string = 'Tom';
}

@Entry
@Component
struct GetTargetDemo {
@State info: UserInfo = new UserInfo();

build() {
Column() {
Text(info.name: ${this.info.name})
Button('Change the properties of the proxy object')
.onClick(() => {
this.info.name = 'Alice'; // The Text component can refresh
})
Button('更改原始对象的属性')
.onClick(() => {
let rawInfo: UserInfo = UIUtils.getTarget(this.info);
if (rawInfo) {
rawInfo.name = 'Bob'; // The Text component cannot be refreshed
}
})
}
}
}
参考链接

getTarget接口：获取状态管理框架代理前的原始对象
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https://coub.com/view/4b8c9w
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https://coub.com/view/4b8c9u

收起阅读 »

1

uniapp离线打包 App离线打包

2

如何解决组件消失动画偏移闪烁

demo

问题描述

运行下面demo，点击使色块消失时，会突然出现在左上角闪烁。

@Entry
@ComponentV2
struct Index {
@Local isShow: boolean = true;

build() {
Stack() {
Stack() {
if (this.isShow) {
Row()
.width(100)
.height(100)
.backgroundColor(Color.Red)
.transition(TransitionEffect.OPACITY.animation({ duration: 150 }));
}
}
.backgroundColor(Color.Green)
}
.width('100%')
.height('100%')
.onClick(() => {
this.isShow = !this.isShow;
});
}
}
解决措施

原因是当变量置为false时，组件会从视图树中移除，导致内层Stack失去内容后位置重置到左上角，可以固定内层Stack组件的宽高来避免，示例如下：

@Entry
@ComponentV2
struct DisappearanceAnimationOffsetFlicker {
@Local isShow: boolean = true;

build() {
Stack() {
Stack() {
if (this.isShow) {
Row()
.width(100)
.height(100)
.backgroundColor(Color.Red)
.transition(TransitionEffect.OPACITY.animation({ duration: 150 }))
}
}
.width('100%')
.height('100%')
.onClick(() => {
this.isShow = !this.isShow
})
}
}
}
https://coub.com/view/4b8cf1
https://coub.com/view/4b8cez
https://coub.com/view/4b8cev
https://coub.com/view/4b8ceu
https://coub.com/view/4b8cep
https://coub.com/view/4b8cen
https://coub.com/view/4b8cel
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https://coub.com/view/4b8ceg
https://coub.com/view/4b8cee
https://coub.com/view/4b8ced
https://coub.com/view/4b8ceb
https://coub.com/view/4b8cea
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https://coub.com/view/4b8cdr
https://coub.com/view/4b8cdq
https://coub.com/view/4b8cdp
https://coub.com/view/4b8cdo
https://coub.com/view/4b8cdn
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https://coub.com/view/4b8c9u

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https://coub.com/view/4b7u2z
https://coub.com/view/4b7u2w

继续阅读 »

问题描述

运行下面demo，点击使色块消失时，会突然出现在左上角闪烁。

@Entry
@ComponentV2
struct Index {
@Local isShow: boolean = true;

build() {
Stack() {
Stack() {
if (this.isShow) {
Row()
.width(100)
.height(100)
.backgroundColor(Color.Red)
.transition(TransitionEffect.OPACITY.animation({ duration: 150 }));
}
}
.backgroundColor(Color.Green)
}
.width('100%')
.height('100%')
.onClick(() => {
this.isShow = !this.isShow;
});
}
}
解决措施

原因是当变量置为false时，组件会从视图树中移除，导致内层Stack失去内容后位置重置到左上角，可以固定内层Stack组件的宽高来避免，示例如下：

@Entry
@ComponentV2
struct DisappearanceAnimationOffsetFlicker {
@Local isShow: boolean = true;

build() {
Stack() {
Stack() {
if (this.isShow) {
Row()
.width(100)
.height(100)
.backgroundColor(Color.Red)
.transition(TransitionEffect.OPACITY.animation({ duration: 150 }))
}
}
.width('100%')
.height('100%')
.onClick(() => {
this.isShow = !this.isShow
})
}
}
}
https://coub.com/view/4b8cf1
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三、技术栈

四、快速开始

五、构建

六、Mock 数据

七、目录结构

八、开发约定

九、相关链接

十、软件安全

十一、使用许可

一、功能特性

二、系统架构

三、技术栈

四、快速开始

五、构建

六、Mock 数据

七、目录结构

八、开发约定

九、相关链接

十、软件安全

十一、使用许可

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