微信小程序：书架

最新推荐文章于 2025-08-31 07:00:00 发布

原创

最新推荐文章于 2025-08-31 07:00:00 发布 · 2.2k 阅读

19 ·

CC 4.0 BY-SA版权

文章标签：

#小程序 #微信

此博客介绍了如何在微信小程序中实现书架功能，用户点击书籍图片即可通过下载并打开wx.openDocument预览PDF文件。代码展示了从下载到打开文档的完整流程。

实现书架的功能，点击之后可以看pdf

1.设定点击事件

2.在点击事件里面

2.1下载 wx.downloadFile({

2.2打开 wx.openDocument({

效果图

点开之后是pdf

代码

app.js

// app.js
App({
  onLaunch() {
    // 展示本地存储能力
    const logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

    // 登录
    wx.login({
      success: res => {
        // 发送 res.code 到后台换取 openId, sessionKey, unionId
      }
    })
  },
  globalData: {
    userInfo: null,
    nginxadd:"这边换成内网穿透的地址/"
  }
})

app.json

{
  "pages": [
    "pages/start/start",
    "pages/music/music",
    
    "pages/videoinfo/videoinfo",
    "pages/main/main",
    "pages/readbook/readbook",

    "pages/one/one",
    "pages/index/index",
    "pages/logs/logs",
    "pages/playmusic/playmusic"
    
  ],
  "window": {
    "backgroundTextStyle": "light",
    "navigationBarBackgroundColor": "#fff",
    "navigationBarTitleText": "Weixin",
    "navigationBarTextStyle": "black"
  },
  "style": "v2",
  "sitemapLocation": "sitemap.json",
  "tabBar": {
    "selectedColor": "#8a8a8a",
    "list": [
      {
        "pagePath": "pages/music/music",
        "text": "音乐",
        "iconPath": "pages/images/music1.png",
        "selectedIconPath":