微信小程序开发中的数据分享和数据传递主要通过以下方式实现，具体方法及适用场景如下：
　　The data sharing and transmission in WeChat mini program development are mainly achieved through the following methods, and the specific methods and applicable scenarios are as follows:

　　一、数据分享
　　1、 Data Sharing
　　通过URL参数传递
　　Passing through URL parameters
　　在页面跳转时，通过URL的query参数传递数据（如/pages/detail/detail？productId=123），目标页面在onLoad函数中通过options参数获取。
　　When jumping to a page, pass data through the query parameter of the URL (such as/pages/detail/detail?)? productId=123）， The target page is obtained through the options parameter in the onLoad function.
　　分享给好友/转发
　　Share with friends/forward
　　使用onShareAppMessage方法自定义分享内容，可设置分享标题、路径等。
　　Use the onShareAppMessage method to customize the shared content, including setting the sharing title, path, and more.
　　在app.json中配置可转发的页面，支持携带参数转发。
　　Configure pages that can be forwarded in app.json and support parameter forwarding.
　　二、数据传递
　　2、 Data transmission
　　全局变量传递
　　Global variable passing
　　通过getApp（）.globalData在app.js中定义全局变量，不同页面可共享数据（如用户信息、配置等）。
　　Define global variables in app. js through getApp(). GlobalData, allowing different pages to share data (such as user information, configuration, etc.).
　　本地存储（Storage API）
　　Local Storage (Storage API)
　　同步存储 ：wx.setStorageSync用于设置数据，wx.getStorageSync获取。
　　Synchronous storage: wx.setWarehousSync is used to set data, while wx.getWarehousSync retrieves it.
　　异步存储 ：wx.setStorage和wx.getStorage用于非阻塞操作。
　　Asynchronous storage: wx.setStorage and wx.getStorage are used for non blocking operations.
　　数据库共享
　　Database sharing
　　通过微信云开发提供的数据库API，实现跨小程序的数据存储与共享。
　　Through the database API provided by WeChat Cloud Development, data storage and sharing across mini programs can be achieved.
　　页面栈与事件传递
　　Page Stack and Event Passing
　　利用页面栈的getCurrentPages（）方法获取页面路径，实现跨页面通信。
　　Utilize the getCurrentPages() method of the page stack to obtain the page path and achieve cross page communication.
　　通过自定义事件（如wx.triggerEvent）在组件间传递数据。
　　Pass data between components through custom events such as wx. triggerEvent.
　　三、注意事项
　　3、 Precautions
　　URL参数 ：适用于简单数据传递，但存在安全风险且参数数量有限。
　　URL parameters: Suitable for simple data transfer, but there are security risks and the number of parameters is limited.
　　本地存储 ：适合临时数据，关闭小程序后数据会丢失。
　　Local storage: suitable for temporary data, data will be lost after closing the mini program.
　　数据库 ：适合长期存储和多用户共享，需注意数据隐私。
　　Database: Suitable for long-term storage and multi-user sharing, data privacy should be taken into account.
　　选择合适的方式需根据数据类型、使用场景及安全性需求决定。
　　The appropriate method should be determined based on the data type, usage scenario, and security requirements.
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