面试题

mianshi/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
+      }
+    })
+    // 获取用户信息
+    wx.getSetting({
+      success: res => {
+        if (res.authSetting['scope.userInfo']) {
+          // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
+          wx.getUserInfo({
+            success: res => {
+              // 可以将 res 发送给后台解码出 unionId
+              this.globalData.userInfo = res.userInfo
+
+              // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
+              // 所以此处加入 callback 以防止这种情况
+              if (this.userInfoReadyCallback) {
+                this.userInfoReadyCallback(res)
+              }
+            }
+          })
+        }
+      }
+    })
+  },
+  globalData: {
+    userInfo: null
+  }
+})

mianshi/app.json

+{
+  "pages": [
+    "pages/index/index"
+  ],
+  "window": {
+    "backgroundTextStyle": "light",
+    "navigationBarBackgroundColor": "#fff",
+    "navigationBarTitleText": "摇骰子",
+    "navigationBarTextStyle": "black"
+  },
+  "style": "v2",
+  "sitemapLocation": "sitemap.json"
+}
\ No newline at end of file

mianshi/app.wxss

+/**app.wxss**/
+.container {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: space-between;
+  padding: 200rpx 0;
+  box-sizing: border-box;
+} 

mianshi/pages/index/index.js

+// pages/index/index.js
+Page({
+  data: {
+    seconds:0,
+    pics:[
+      "../../src/0.png","../../src/1.png","../../src/2.png","../../src/3.png","../../src/4.png"
+    ],
+    index:0,
+  },
+  onLoad: function (options) {
+  },
+  touziStart:function(){
+    this.data.seconds =new Date().getTime()
+  },
+  touziEnd:function(e){
+    let current_second =new Date().getTime()
+    current_second = (current_second - this.data.seconds) / 1000
+    let current_index
+    if ((current_second % 9) < 1) {
+      current_index = 1
+    }else if ((current_second % 9) < 4) {
+      current_index = 2
+    }else if((current_second % 9) < 6){
+      current_index = 3
+    }else if((current_second % 9) < 9){
+      current_index = 4
+    }
+    this.setData({
+      seconds:current_second,
+      index:current_index
+    })
+  }
+})
\ No newline at end of file

mianshi/pages/index/index.json

+{
+  "usingComponents": {}
+}
\ No newline at end of file

mianshi/pages/index/index.wxml

+<view class="container">
+  <text>长按骰子: </text>
+  <text>上次按下的时间：{{seconds}} 秒</text>
+  <view style="width:100vw;height:100vw; background:url('{{pics[index]}}'); background-size:100%,100%;" class="zhuanpan">
+    <image src="../../src/touzi.png" class="touzi" bindtouchstart="touziStart" bindtouchend="touziEnd"></image>
+  </view>
+</view>
\ No newline at end of file

mianshi/pages/index/index.wxss

+.container{
+  width: 100vw;
+}
+.zhuanpan{
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.touzi{
+  position: relative;
+  top: 4vw;
+  left: 4vw;
+  width: 45vw;
+  height: 45vw;
+}
\ No newline at end of file

mianshi/project.config.json

+{
+  "description": "项目配置文件",
+  "packOptions": {
+    "ignore": []
+  },
+  "setting": {
+    "bundle": false,
+    "userConfirmedBundleSwitch": false,
+    "urlCheck": true,
+    "scopeDataCheck": false,
+    "coverView": true,
+    "es6": true,
+    "postcss": true,
+    "compileHotReLoad": false,
+    "preloadBackgroundData": false,
+    "minified": true,
+    "autoAudits": false,
+    "newFeature": false,
+    "uglifyFileName": false,
+    "uploadWithSourceMap": true,
+    "useIsolateContext": true,
+    "nodeModules": false,
+    "enhance": false,
+    "useCompilerModule": true,
+    "userConfirmedUseCompilerModuleSwitch": false,
+    "useMultiFrameRuntime": true,
+    "useApiHook": true,
+    "useApiHostProcess": false,
+    "showShadowRootInWxmlPanel": true,
+    "packNpmManually": false,
+    "enableEngineNative": false,
+    "packNpmRelationList": [],
+    "minifyWXSS": true
+  },
+  "compileType": "miniprogram",
+  "libVersion": "2.15.0",
+  "appid": "wx2166429d20b5c6d9",
+  "projectname": "mianshi",
+  "debugOptions": {
+    "hidedInDevtools": []
+  },
+  "scripts": {},
+  "isGameTourist": false,
+  "condition": {
+    "search": {
+      "list": []
+    },
+    "conversation": {
+      "list": []
+    },
+    "game": {
+      "list": []
+    },
+    "plugin": {
+      "list": []
+    },
+    "gamePlugin": {
+      "list": []
+    },
+    "miniprogram": {
+      "list": []
+    }
+  }
+}
\ No newline at end of file

mianshi/sitemap.json

+{
+  "desc": "关于本文件的更多信息，请参考文档 https://developers.weixin.qq.com/miniprogram/dev/framework/sitemap.html",
+  "rules": [{
+  "action": "allow",
+  "page": "*"
+  }]
+}
\ No newline at end of file

mianshi/utils/util.js

+const formatTime = date => {
+  const year = date.getFullYear()
+  const month = date.getMonth() + 1
+  const day = date.getDate()
+  const hour = date.getHours()
+  const minute = date.getMinutes()
+  const second = date.getSeconds()
+
+  return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`
+}
+
+const formatNumber = n => {
+  n = n.toString()
+  return n[1] ? n : `0${n}`
+}
+
+module.exports = {
+  formatTime
+}