随便写的

app.js

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+// 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
+  }
+})

app.json

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+{
+  "pages":[
+    "pages/index/index",
+    "pages/logs/logs",
+    "pages/jisuan/jisuan",
+    "pages/lishi/lishi"
+  ],
+  "window":{
+    "backgroundTextStyle":"light",
+    "navigationBarBackgroundColor": "#FFB6C1",
+    "navigationBarTitleText": "阿锹计算器",
+    "navigationBarTextStyle":"white"
+  },
+  "style": "v2",
+  "sitemapLocation": "sitemap.json"
+}

app.wxss

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

pages/index/index.js

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+// index.js
+// 获取应用实例
+const app = getApp()
+
+Page({
+  data: {
+    motto: 'Hello World',
+    userInfo: {},
+    hasUserInfo: false,
+    canIUse: wx.canIUse('button.open-type.getUserInfo')
+  },
+  // 事件处理函数
+  bindViewTap() {
+    wx.navigateTo({
+      url: '../logs/logs'
+    })
+  },
+  jiSuanQi:function(){
+    wx.navigateTo({
+      url: '../jisuan/jisuan' 
+  })
+},
+  onLoad() {
+    if (app.globalData.userInfo) {
+      this.setData({
+        userInfo: app.globalData.userInfo,
+        hasUserInfo: true
+      })
+    } else if (this.data.canIUse) {
+      // 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
+      app.userInfoReadyCallback = res => {
+        this.setData({
+          userInfo: res.userInfo,
+          hasUserInfo: true
+        })
+      }
+    } else {
+      // 在没有 open-type=getUserInfo 版本的兼容处理
+      wx.getUserInfo({
+        success: res => {
+          app.globalData.userInfo = res.userInfo
+          this.setData({
+            userInfo: res.userInfo,
+            hasUserInfo: true
+          })
+        }
+      })
+    }
+  },
+  getUserInfo(e) {
+    console.log(e)
+    app.globalData.userInfo = e.detail.userInfo
+    this.setData({
+      userInfo: e.detail.userInfo,
+      hasUserInfo: true
+    })
+  }
+})

pages/index/index.json

@@ -0,0 +1,3 @@
+{
+  "usingComponents": {}
+}

pages/index/index.wxml

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+<!--index.wxml-->
+<view class="container">
+  <view class="userinfo">
+    <button wx:if="{{!hasUserInfo && canIUse}}" open-type="getUserInfo" bindgetuserinfo="getUserInfo"> 获取头像昵称 </button>
+    <block wx:else>
+      <image bindtap="bindViewTap" class="userinfo-avatar" src="{{userInfo.avatarUrl}}" mode="cover"></image>
+      <text class="userinfo-nickname">{{userInfo.nickName}}</text>
+    </block>
+  </view>
+  <view class="usermotto">
+  <button bindtap="jiSuanQi">啊锹的计算器</button>
+    <text class="user-motto">{{motto}}</text>
+  </view>
+</view>

pages/index/index.wxss

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+/**index.wxss**/
+.userinfo {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.userinfo-avatar {
+  width: 128rpx;
+  height: 128rpx;
+  margin: 20rpx;
+  border-radius: 50%;
+}
+
+.userinfo-nickname {
+  color:rgb(253, 228, 247);
+}
+
+.usermotto {
+  margin-top: 200px;
+}

pages/jisuan/jisuan.js

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+// pages/jisuan/jisuan.js
+Page({
+  data: {
+  id0:0,
+  id1:1,
+  id2:2,
+  id3:3,
+  id4:4,
+  id5:5,
+  id6:6,
+  id7:7,
+  id8:8,
+  id9:9,
+  ida:'+',
+  idb:'-',
+  idc:'*',
+  idd:'/',
+  gl:'gl',
+  ch:'ch',
+  zf:'zf',
+  xsd:'.',
+  ls:'ls',
+  dy:'=',
+  screenData:0,
+  isFuHao:false,
+  sz:[]
+  /**
+   * 页面的初始数据
+   */
+
+
+  },
+
+  /**
+   * 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 () {
+
+  },
+  lishi:function() {
+    wx.navigateTo({
+      url: '../lishi/lishi' 
+    })
+  },
+  clickBtn:function(e) {
+  var code=e.currentTarget.id;
+  if(code==this.data.ch){
+    data=this.data.screenData;
+    var lastWord=data[data.length-1];
+    if(lastWord==this.data.ida||lastWord==this.data.idb||lastWord==this.data.idc||lastWord==this.data.idd){
+       this.setData({isFuHao:false})
+    }
+      str=data.substring(0,data.length-1);
+      this.setData({screenData:str})
+      this.data.sz.pop;
+  }else if(code==this.data.gl){
+    this.setData({screenData:0})
+    this.setData({isFuHao:false})
+    this.data.sz=[];
+  }else if(code==this.data.zf){
+    data =this.data.screenData;
+    var firstWord=data[0];
+    if(isNaN(firstWord)){
+      var str=data.substring(1,data.length)
+    }else{
+      var str='-'+data;
+    }
+    this.setData({screenData:str});
+  }else if(code==this.data.dy){
+    var newSz=[];
+    var num='';
+    var sz=this.data.sz;
+    for(var i in sz){
+      if(isNaN(sz[i])==false||sz[i]==this.data.xsd){
+        num+=sz[i];
+      }else{
+        newSz.push(num);
+        newSz.push(sz[i]);
+        num="";
+      }
+    }
+    newSz.push(num);
+    var result=Number(newSz[0]);
+    for(var i=1;i<=newSz.length;i++){
+      if(newSz[i]==this.data.ida){
+        result+=Number(newSz[i+1]);
+      }else if(newSz[i]==this.data.idb){
+        result-=Number(newSz[i+1]);
+      }else if(newSz[i]==this.data.idc){
+        result*=Number(newSz[i+1]);
+      }else if(newSz[i]==this.data.idd){
+        result/=Number(newSz[i+1]);
+      }
+    }
+
+    this.setData({screenData:result});
+    console.log(newSz);
+    console.log(result);
+  }else{
+    var code=e.currentTarget.id;
+    var data=this.data.screenData;
+    if(code == this.data.ida || code==this.data.idb || code==this.data.idc ||code==this.data.idd){
+      if(this.data.isFuHao==true){
+      return'';
+      }
+    }
+    var str=null;
+    if(data==0){
+    str=code;
+    }else{
+      str=data+code;
+    }
+    this.setData({'isFuHao':false});
+    if(code== this.data.ida|| code==this.data.idb|| code==this.data.idc||code==this.data.idd){
+      this.setData({'isFuHao':true});
+    }
+    this.data.sz.push(code);
+    this.setData({screenData:str})
+  }
+
+      console.log(this.data.screenData);
+      console.log(this.data.sz);
+  },
+  /**
+   * 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 () {
+
+  }
+})

pages/jisuan/jisuan.json

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+{
+  "usingComponents": {}
+}

pages/jisuan/jisuan.wxml

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+<!--pages/jisuan/jisuan.wxml-->
+<view class="aaa">
+  <view class="bbb">
+    <view class="screen">
+      {{screenData}}
+    </view>
+  </view>
+  <view class="ccc">
+    <view class="ddd">
+      <view bindtap="clickBtn" id="{{gl}}" class="eee colorc">归零</view>
+      <view bindtap="clickBtn" id="{{ch}}" class="eee colorc">撤回</view>
+      <view bindtap="clickBtn" id="{{zf}}" class="eee colorb">+/-</view>
+      <view bindtap="clickBtn" id="{{ida}}" class="eee colorb">+</view>
+    </view>
+    <view class="ddd">
+      <view bindtap="clickBtn" id="{{id9}}" class="eee colora">9</view>
+      <view bindtap="clickBtn" id="{{id8}}" class="eee colora">8</view>
+      <view bindtap="clickBtn" id="{{id7}}" class="eee colora">7</view>
+      <view bindtap="clickBtn" id="{{idb}}" class="eee colorb">-</view>
+    </view>
+    <view class="ddd">
+      <view bindtap="clickBtn" id="{{id6}}" class="eee colora">6</view>
+      <view bindtap="clickBtn" id="{{id5}}" class="eee colora">5</view>
+      <view bindtap="clickBtn" id="{{id4}}" class="eee colora">4</view>
+      <view bindtap="clickBtn" id="{{idc}}" class="eee colorb">*</view>
+    </view>
+    <view class="ddd">
+      <view bindtap="clickBtn" id="{{id3}}" class="eee colora">3</view>
+      <view bindtap="clickBtn" id="{{id2}}" class="eee colora">2</view>
+      <view bindtap="clickBtn" id="{{id1}}" class="eee colora">1</view>
+      <view bindtap="clickBtn" id="{{idd}}" class="eee colorb">/</view>
+    </view>
+    <view class="ddd">
+      <view bindtap="clickBtn" id="{{id0}}" class="eee colora">0</view>
+      <view bindtap="clickBtn" id="{{xsd}}" class="eee colorb">.</view>
+      <view bindtap="clickBtn" id="{{ls}}" class="eee colorc" bindtap="lishi">历史</view>
+      <view bindtap="clickBtn" id="{{dy}}" class="eee colorb">=</view>
+    </view>
+  </view>
+</view>