微信小程序：连续签到7天签到积分获得功能设计

每周每天签到获得积分的案例
功能设计：计算每天签到得1分，显示得到的签到积分，连续签到3天[周一二三]即得+多3分，连续签到7天[周一二三四五六日]+多7分，没有连续即不显示多余的3分或7分的提示…


wxml结构：

<!--pages/signIn2/signIn2.wxml-->
<view class='sign-new'>
  <view class='in'>
    <view class='new-head'>
      <view class='sig-tl'>
        <view class='tln'>已连续签到<label class='n'>{{newSignNum}}</label>天</view>
        <view class='tlf'>积分：<label class='f'>{{newSignIntegral}}</label></view>
      </view>
    
      <!-- 未签到 -->
      <view wx:if='{{!newSignBtnState}}' class='sig-qiu sig-qiu-no' bindtap='bindSignFn'  >
        <label class='ti'>签到</label>
      </view>
      <!-- 已签到 -->
      <view wx:else class='sig-qiu sig-qiu-yes'>
        <label class='ti'>已签到</label>
      </view>
    </view>

    <view class='new-week' >
      <view class='we-mod'>
        <view class='mo-fen'>
          <label class='f f3' wx:if='{{continuityDays3}}'>+3积分</label>
          <label class='f f7' wx:if='{{continuityDays7}}'>+7积分</label>
        </view>
        <view class='mo-line'>
          <block wx:for="{{isNewSignedArr}}"  wx:for-item="v" wx:key="k">
            <label class="q {{v.isSigned?'hover':''}}"></label>
          </block>
        </view>
        <view class='mo-ri'>
           <block wx:for="{{isNewSignedArr}}"  wx:for-item="v" wx:key="k">
            <label class="t">{{v.day}}</label>
          </block>
        </view>
      </view>
    </view>
  </view>
</view>

js方法：

Page({

  /**
   * 页面的初始数据
   */
  data: {
    newSignBtnState: false,  //按钮签到状态
    continuityDays7: false,  //连续7
    continuityDays3: false,  //连续3 
    myToday: '',           //周几
    newSignNum: 0,      //签到天数
    newSignIntegral:0,  //签到积分
    //签到数组
    isNewSignedArr: [
      {
        "day": "一",
        "isSigned": false
      },
      {
        "day": "二",
        "isSigned": false
      },
      {
        "day": "三",
        "isSigned": false
      },
      {
        "day": "四",
        "isSigned": false
      },
      {
        "day": "五",
        "isSigned": false
      },
      {
        "day": "六",
        "isSigned": false
      },
      {
        "day": "日",
        "isSigned": false
      }
    ],
  },

  //-------点击签到---------
  bindSignFn(e){
    var that = this,
        newSignNum = that.data.newSignNum,
        today = that.data.myToday;
    const arr = [],
          newSignArr = [...arr, ...that.data.isNewSignedArr];
    //
    today = today - 1 > 0 ? today - 1 : 6;
    newSignArr[today].isSigned = true;
    
    //当前积分
    newSignNum++;
    var curFen = that.data.newSignIntegral + 1;

    that.setData({
      newSignBtnState: true,
      newSignNum: newSignNum,
      newSignIntegral: curFen,
      isNewSignedArr: newSignArr,
    })

    that.signAddFen();
  },

  //签到积分函数 
    //连续 天数-积分： 周三+3：周一，周二，周三（1+1+3=5）； 周六+7：周日到周六（1+1+3+1+1+1+7=15）
  signAddFen(e) {
    var that = this,
        oneIsSigned = that.data.isNewSignedArr[0].isSigned,
        twoIsSigned = that.data.isNewSignedArr[1].isSigned,
        threeIsSigned = that.data.isNewSignedArr[2].isSigned,
        fourIsSigned = that.data.isNewSignedArr[3].isSigned,
        fiveIsSigned = that.data.isNewSignedArr[4].isSigned,
        sixIsSigned = that.data.isNewSignedArr[5].isSigned,
        sevenIsSigned = that.data.isNewSignedArr[6].isSigned;
       
    // 另外加分-黄色小框显示 周三+3 , 周日+7
    if (oneIsSigned && twoIsSigned && that.data.myToday == 3) {
      that.setData({
        continuityDays3: true
      })
    } else if (oneIsSigned && twoIsSigned && threeIsSigned && fourIsSigned && fiveIsSigned && sixIsSigned && that.data.myToday == 0) {
      that.setData({
        continuityDays7: true
      })
    }

    //签到后执行
    if (that.data.newSignBtnState) {
      // 周三 ： 一 二 三
      if (oneIsSigned && twoIsSigned && threeIsSigned) {
        var fens = that.data.newSignIntegral + 3 - 1;
        that.setData({
          newSignIntegral: fens
        })
      }
      // 所有签了： 一 二 三 四 五 六 日
      if (oneIsSigned && twoIsSigned && threeIsSigned && fourIsSigned && fiveIsSigned && sixIsSigned && sevenIsSigned) {
        var fens = that.data.newSignIntegral + 7 - 1;
        that.setData({
          newSignIntegral: fens
        })
      }
    }
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var that = this,
        myDate = new Date(),
        myToday = myDate.getDay();  //周几   0 1 2 3 4 5 6
    that.setData({
      myToday: myToday
    })
    that.signAddFen();
  },

})

有什么错误或优化的地方，可以提出来，大家一起学习研究…
完整案例可访问本人github:https://github.com/xiexikang/xcx-signIn

ps：
[微信小程序：以7天为周期，连续签到7天功能效果]