• Web版记账本开发记录(一)


    //index.js

    var util = require("../../utils/util.js");
    //获取应用实例
    var app = getApp();
    Page({
      data: {
        userInfo: {},
        buttonLoading: false,
        accountData: [],
        accountTotal: 0
      },
      onLoad: function () {
        console.log('onLoad')
        var that = this;

        // 获取记录
        var tempAccountData = wx.getStorageSync("accountData") || [];
        this.caculateTotal(tempAccountData);
        this.setData({
          accountData: tempAccountData
        });

      },
      // 计算总额
      caculateTotal: function (data) {
        var tempTotal = 0;
        for (var x in data) {
          tempTotal += parseFloat(data[x].amount);
        }
        this.setData({
          accountTotal: tempTotal
        });
      },
      //表单提交
      formSubmit: function (e) {
        this.setData({
          buttonLoading: true
        });

        var that = this;
        setTimeout(function () {
          var inDetail = e.detail.value.inputdetail;
          var inAmount = e.detail.value.inputamount;
          if (inDetail.toString().length <= 0 || inAmount.toString().length <= 0) {
            console.log("can not empty");
            that.setData({
              buttonLoading: false
            });
            return false;
          }

          //新增记录
          var tempAccountData = wx.getStorageSync("accountData") || [];
          tempAccountData.unshift({ detail: inDetail, amount: inAmount });
          wx.setStorageSync("accountData", tempAccountData);
          that.caculateTotal(tempAccountData);
          that.setData({
            accountData: tempAccountData,
            buttonLoading: false
          });

        }, 1000);
      },
      //删除行
      deleteRow: function (e) {
        var that = this;
        var index = e.target.dataset.indexKey;
        var tempAccountData = wx.getStorageSync("accountData") || [];
        tempAccountData.splice(index, 1);
        wx.setStorageSync("accountData", tempAccountData);
        that.caculateTotal(tempAccountData);
        that.setData({
          accountData: tempAccountData,
        });
      }
    })
     
    {
    "usingComponents": {}
    }
     
     
    <!--index.wxml-->
    <view class="container">

        <form catchsubmit="formSubmit" >
          <view class="account-detail">
            <input placeholder="账目详情" name="inputdetail"  type="text" />
          </view>

          <view class="account-amount">
            <input placeholder="账目数额" name="inputamount" type="number" />
          </view>
         
          <view class="add-one">
            <button formType="submit" type="primary" loading="{{buttonLoading}}"> 记一笔 </button>
          </view>
        </form>

        <view  class="account-list-text">
          <text>账单列表:</text>
        </view>

        <view  class="account-list-all-amount">
          <text>合计:{{accountTotal}}</text>
        </view>
       
        <block wx:for="{{accountData}}" >
          <view class="account-list">
            <view class="account-list-detail">
              {{item.detail}}
            </view>

            <view class="account-list-amount">
              {{item.amount}}
            </view>

            <view class="account-list-del">
                <button size="mini"  type="warn"  data-index-key="{{index}}"  bindtap="deleteRow" >删除</button>
            </view>

            </view>
        </block>

       

    </view>


    .account-detail{
        height: 100rpx;
        padding: 0 30rpx;
    }

    .account-amount{
        padding: 0 30rpx;
    }

    .add-one{
        margin-top: 20rpx;
    }

    .account-list-text{
        color:gray;
        margin:30rpx 0 0 30rpx;
    }

    .account-list-all-amount{
        color:gray;
        align-self: flex-end;
        padding-right: 25rpx;
    }


    .account-list{
        color:gray;
        margin:30rpx 0 0 30rpx;
        display: flex;
        flex-direction: row;
        ">wheat;
        line-height: 70rpx;
    }


    .account-list-detail{
        flex:1;
    }


    .account-list-amount{
        100rpx;
    }
     

    //app.js
    App({
      onLaunch: function () {
        //调用API从本地缓存中获取数据
        var logs = wx.getStorageSync('logs') || []
        logs.unshift(Date.now())
        wx.setStorageSync('logs', logs)
      },
      getUserInfo: function (cb) {
        var that = this
        if (this.globalData.userInfo) {
          typeof cb == "function" && cb(this.globalData.userInfo)
        } else {
          //调用登录接口
          wx.login({
            success: function () {
              wx.getUserInfo({
                success: function (res) {
                  that.globalData.userInfo = res.userInfo
                  typeof cb == "function" && cb(that.globalData.userInfo)
                }
              })
            }
          })
        }
      },
      globalData: {
        userInfo: null
      }
    })
     
     
     
    {
    "pages": [
        "pages/index/index"
      ],
      "window": {
        "backgroundTextStyle": "dark",
        "navigationBarBackgroundColor": "#fff",
        "navigationBarTitleText": "记账",
        "navigationBarTextStyle": "black",
        "backgroundColor": "gray"
      },
      "debug": true
    }
     
    测试截图
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  • 原文地址:https://www.cnblogs.com/1502762920-com/p/10418239.html
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