微信小程序以7天为周期连续签到7天功能效果的示例代码

<!--pages/signIn/signIn.wxml-->
<view class='signIn'>
 <view class='sign-com'>
 <view class='thead'>
 <view class='tt'>已连续签到</view>
 <view class='mm'><label class='n'>{{signNum}}</label>天</view>
 <view class='pp'>连续签到7日后每日得3分</view>
 </view>
 <view class='modle'>
 <view class='mol'>
 <view class='mol-line'></view>
 <view class='mol-ites'>
 <view class="ite {{signNum>=min?'hover':''}}" data-n='{{min}}'>
 <label class='n'>+{{min<7?1:3}}</label>
 </view>
 <view class="ite {{signNum>=min+1?'hover':''}}" data-n='{{min+1}}'>
 <label class='n'>+{{min+1<7?1:3}}</label>
 </view>
 <view class="ite {{signNum>=min+2?'hover':''}}" data-n='{{min+2}}'>
 <label class='n'>+{{min+2<7?1:3}}</label>
 </view>
 <view class="ite {{signNum>=min+3?'hover':''}}" data-n='{{min+3}}'>
 <label class='n'>+{{min+3<7?1:3}}</label>
 </view>
 <view class="ite {{signNum>=min+4?'hover':''}}" data-n='{{min+4}}'>
 <label class='n'>+{{min+4<7?1:3}}</label>
 </view>
 <view class="ite {{signNum>=min+5?'hover':''}}" data-n='{{min+5}}'>
 <label class='n'>+{{min+5<7?1:3}}</label>
 </view>
 <view class="ite {{signNum>=min+6?'hover':''}}" data-n='{{max}}'>
 <label class='n'>+{{min+6<7?1:3}}</label>
 </view>
 </view>
 </view>
 <view class='moday'>
 <label class='dd'>{{min}}天</label>
 <label class='dd'>{{min+1}}天</label>
 <label class='dd'>{{min+2}}天</label>
 <label class='dd'>{{min+3}}天</label>
 <label class='dd'>{{min+4}}天</label>
 <label class='dd'>{{min+5}}天</label>
 <label class='dd'>{{max}}天</label>
 </view>
 </view>

 <view class='the-btn'>
 <button type='button' class='btn' bindtap='bindSignIn' data-num="{{signNum}}" disabled='{{signState}}'
 data-min="{{min}}" data-max="{{max}}" data-be="{{be}}"
 >签到</button>
 </view>
 </view>
</view>

<view class='explax'>
 <view class=''>日期开始：{{min}} </view>
 <view class=''>日期结束：{{max}} </view>
 <view class=''>签到数：{{signNum}}天</view>
 <view class=''>切换周期的倍数：{{be}}</view>
</view>

// pages/signIn/signIn.js
//获取应用实例
const app = getApp();

Page({

 /**
 * 页面的初始数据
 */
 data: {
 //img_url: config.imgUrl, //图片地址

 //签到模块
 signNum: 0, //签到数
 signState: false, //签到状态
 min: 1, //默认值日期第一天1
 max: 7, //默认值日期最后一天7
 be: 0 //默认倍数


 },

 //签到
 bindSignIn(e) {
 var that = this,
 num = e.currentTarget.dataset.num;
 num++
 wx.showToast({
 icon: 'success',
 title: '签到成功',
 })
 that.setData({
 signNum: num,
 //signState: true
 })

 var min = e.currentTarget.dataset.min,
 max = e.currentTarget.dataset.max,
 be = e.currentTarget.dataset.be;

 if (num % 7 == 0) {
 be += 1;
 that.setData({
 be: be
 })
 }

 if (num == 7 * be + 1) {
 that.setData({
 min: 7 * be + 1,
 max: 7 * be + 7
 })
 }

 },


})