微信小程序实现书架小功能

本文实例为大家分享了微信小程序实现书架功能的具体代码,供大家参考,具体内容如下

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.webp",         "selectedIconPath": "pages/images/music2.webp"       },       {         "pagePath": "pages/videoinfo/videoinfo",         "text": "视频",         "iconPath": "pages/images/sp1.webp",         "selectedIconPath": "pages/images/sp2.webp"       },       {         "pagePath": "pages/readbook/readbook",         "text": "书架",         "iconPath": "pages/images/rb1.webp",         "selectedIconPath": "pages/images/rb2.webp"       }     ]   } }

readbook.js

// pages/books/books.js let app=getApp() Page({   /**    * 页面的初始数据    */   data: {     books1:[{"bookimg":app.globalData.nginxadd+"img/d0.webp","bookname":"python","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/d1.webp","bookname":"java","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/d2.webp","bookname":"dart","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/a1.webp","bookname":"javascript","booklink":app.globalData.nginxadd+"text/a1.pdf"}   ],     books2:[{"bookimg":app.globalData.nginxadd+"img/f0.webp","bookname":"c#","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/f1.webp","bookname":"Rust","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/f2.webp","bookname":"Lua","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/a1.webp","bookname":"javascript","booklink":app.globalData.nginxadd+"text/a1.pdf"}   ],     books3:[{"bookimg":app.globalData.nginxadd+"img/g0.webp","bookname":"javascript","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/g1.webp","bookname":"c++","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/g2.webp","bookname":"Go","booklink":app.globalData.nginxadd+"text/a1.pdf"},     {"bookimg":app.globalData.nginxadd+"img/a1.webp","bookname":"javascript","booklink":app.globalData.nginxadd+"text/a1.pdf"}   ]   },   openbook(event)   {      wx.showLoading({        title: '正在打开文档',      })       let  link=event.currentTarget.dataset.link;       console.log(link);       //1.下载       wx.downloadFile({         url: link,         success:(resp)=>         {             let  path=resp.tempFilePath;             console.log(path);             //2.打开             wx.openDocument({               filePath: path,               success:(resp)=>               {                 wx.hideLoading({                   success: (res) => {},                 });                    console.log("打开文档成功")               }             })         }       })   },   /**    * 生命周期函数--监听页面加载    */   onLoad: function (options) {   },   /**    * 生命周期函数--监听页面初次渲染完成    */   onReady: function () {   },   /**    * 生命周期函数--监听页面显示    */   onShow: function () {   },   /**    * 生命周期函数--监听页面隐藏    */   onHide: function () {   },   /**    * 生命周期函数--监听页面卸载    */   onUnload: function () {   },   /**    * 页面相关事件处理函数--监听用户下拉动作    */   onPullDownRefresh: function () {   },   /**    * 页面上拉触底事件的处理函数    */   onReachBottom: function () {   },   /**    * 用户点击右上角分享    */   onShareAppMessage: function () {   } })

readbook.wxml

<!--pages/books/books.wxml--> <view  class="booktopview">    <scroll-view class="scrollview" scroll-x="true">        <block  wx:for="{{books1}}">           <view  class="bookview"  bindtap="openbook"  data-link="{{item.booklink}}">              <view  class="innerview">                   <view  class="imgview">                      <image  src="{{item.bookimg}}"  class="cimg"></image>                   </view>                   <view  class="txtview">                      {{item.bookname}}                  </view>              </view>           </view>        </block>    </scroll-view> </view> <view  class="booktopview">    <scroll-view class="scrollview" scroll-x="true">        <block  wx:for="{{books2}}">           <view  class="bookview"  bindtap="openbook"  data-link="{{item.booklink}}">              <view  class="innerview">                   <view  class="imgview">                      <image  src="{{item.bookimg}}"  class="cimg"></image>                   </view>                   <view  class="txtview">                      {{item.bookname}}                  </view>              </view>           </view>        </block>    </scroll-view> </view> <view  class="booktopview">    <scroll-view class="scrollview" scroll-x="true">        <block  wx:for="{{books3}}">           <view  class="bookview"  bindtap="openbook"  data-link="{{item.booklink}}">              <view  class="innerview">                   <view  class="imgview">                      <image  src="{{item.bookimg}}"  class="cimg"></image>                   </view>                   <view  class="txtview">                      {{item.bookname}}                  </view>              </view>           </view>        </block>    </scroll-view> </view>

readbook.wxss

/* pages/books/books.wxss */ .booktopview{     width: 100%;     height: 30vh;     border-top: 2px  solid   black;     border-bottom: 2px  solid   black;     display: flex;     align-items: center;   }   .scrollview{     width: 100%;     height: 80%;     /**border:1px  solid  green;**/     white-space: nowrap;   }   .bookview{     width: 30%;     height: 98%;     border:1px  solid  brown;     margin-left: 10px;     display: inline-block;   }   .innerview{     width: 100%;     height: 100%;     display: flex;     flex-direction: column;     justify-content: center;     align-items: center;   }   .imgview{     width: 80%;     height: 75%;     /**border:1px  solid  black;**/   }   .txtview{     width: 90%;     height: 25%;    /** border:1px  solid  black;**/     display: flex;     justify-content: center;     align-items: center;   }   .cimg{     width: 100%;     height: 100%;   }

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