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微信小程序日歷彈窗選擇器代碼實(shí)例

 更新時(shí)間:2019年05月09日 15:19:02   作者:NAMECZ  
這篇文章主要介紹了微信小程序日歷彈窗選擇器,文中通過示例代碼介紹的非常詳細(xì),對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值,需要的朋友們下面隨著小編來一起學(xué)習(xí)學(xué)習(xí)吧

應(yīng)公司需求,寫了一個(gè)彈窗日歷選擇器,感覺用著還不錯(cuò),封裝了一下,分享給大家,希望大家有什么意見可以指出來相互交流共同改進(jìn)!

先上一個(gè)效果圖:(當(dāng)天日期為2018-4-18)

時(shí)間改為5月份的效果圖:

直接上代碼:

wxml:

<view class="weui-cells weui-cells_after-title" style='margin-top:100rpx;'>
 <view class="weui-cell weui-cell_access" hover-class="weui-cell_active" catchtap='showModalBtn'>
  <view class="weui-cell__bd">選擇時(shí)間</view>
  <view class="weui-cell__ft weui-cell__ft_in-access">{{chooseDate}}</view>
 </view>
</view>
 
<view class="modal-mask" bindtap="hideModal" catchtouchmove="preventTouchMove" hidden="{{showModal}}"></view>
<view class="modal-dialog" hidden="{{showModal}}">
 <view class='modalBox'>
  <view class='box'>
   <view class='calendarBox'>
    <view class='calendarTitle'>
     當(dāng)前月份:
     <text style='font-size:46rpx;'>{{thisMonth}}</text> 月
    </view>
    <block wx:for="{{week}}" wx:key="item">
     <view class="week">{{week[index]}}</view>
    </block>
    <block wx:for="{{weekNum}}" wx:key="item">
     <view class="week" style="border-bottom:0;color:transparent">0</view>
    </block>
    <block wx:for="{{dayList}}" wx:key="item">
     <view class='week' style="border-bottom:0;background-color:{{dayIndex>index?'#f1f1f1':(tapThis==index?'#1296db':'')}};color:{{tapThis==index?'white':''}}" catchtap="chooseDate" data-index="{{index}}" data-value="{{item}}">{{item}}</view>
    </block>
   </view>
  </view>
 </view>
</view>

wxss:

.modalBox{
 width: 100%;
 font-size: 32rpx;
}
.box{
 margin: 0 auto;
 width: 630rpx;
}
.calendarTitle{
 /* margin: 0 auto;
 width: 630rpx; */
 width: 100%;
 height: 80rpx;
 line-height: 80rpx;
 text-align: center;
 border-bottom: 1rpx solid #ddd;
}
.calendarBox{
 /* width: 630rpx; */
 width:100%;
 margin: 0 auto;
 border:1rpx solid #ddd;
}
.week{
 display: inline-block;
 width:90rpx;
 height: 80rpx;
 text-align: center;
 line-height: 80rpx;
 border-bottom: 1rpx solid #ddd;
}
.dateBtn{
 width:100%;
 height: 80rpx;
 display: flex;
 justify-content: space-between;
 margin-top: 20rpx;
 
}
 .dateBtn>button{
 width: 45%;
 height: 100%;
 display:flex;
 justify-content: center;
 align-items: center;
 margin: 0;
 font-size: 36rpx;
} 
/* 模態(tài)框 */ 
 
.modal-mask { 
 width: 100%; 
 height: 100%; 
 position: fixed; 
 top: 0; 
 left: 0; 
 background: #000; 
 opacity: 0.5; 
 overflow: hidden; 
 z-index: 9000; 
} 
 
.modal-dialog { 
 width: 85%; 
 padding: 100rpx 30rpx 30rpx 30rpx; 
 overflow: hidden; 
 position: fixed; 
 top: 20%; 
 left: 0; 
 right: 0; 
 margin: 0 auto; 
 z-index: 9999; 
 background: rgba(255, 255, 255, 1); 
 border-radius: 5rpx; 
} 

js:

Page({
 
 /**
  * 頁面的初始數(shù)據(jù)
  */
 data: {
  showModal:true,
  weekLength:7,
  week:["日","一","二","三","四","五","六"],
  dayList:[],
  weekNum:0,
  tapThis:0,
  thisMonth:0,
  thisYear:0,
  dayIndex:0,
  chooseDate:"",
 },
 getWeek(year,month,day){
  var that = this;
  var d = new Date();
  d.setFullYear(year);
  d.setMonth(month-1);
  d.setDate(1);
  var n = d.getDay();
  var arr =[];
  var Index=0;
  var dayN=1;
  for(var i = 0; i<day; i++){
   arr.push(dayN++);
  }
  var now = new Date();
  var nowYear = now.getFullYear();
  var nowMonth = now.getMonth()+1;
  var nowDay = now.getDate();
  var val = 1;
  if(year==nowYear){
   if(month==nowMonth){
     Index=arr.indexOf(nowDay);
     console.log(Index);
     val = nowDay;
   }
  }
  that.setData({
   weekNum:n,
   dayList:arr,
   dayIndex:Index,
   tapThis:Index,
   thisMonth:month,
   thisYear:year,
   chooseDate:year+"-"+month+"-"+val,
  })
 },
 chooseDate(e){
  var that = this;
   var n = e.currentTarget.dataset.index;
   var val = e.currentTarget.dataset.value;
   console.log(n);
   if(n>=that.data.dayIndex){
    that.setData({
     tapThis:n,
     chooseDate:that.data.thisYear+"-"+that.data.thisMonth+"-"+val,
     showModal:true,
    })
   }
 },
 /** 
 * 彈出框蒙層截?cái)鄑ouchmove事件 
 */
 preventTouchMove: function () {
 },
 /** 
  * 隱藏模態(tài)對話框 
  */
 hideModal() {
  var that = this;
  that.setData({
   showModal: true,
  })
 }, 
 showModalBtn(){
  var that = this;
  that.setData({
   showModal:false
  })
 },
 
 /**
  * 生命周期函數(shù)--監(jiān)聽頁面加載
  */
 onLoad: function (e) {
  var that = this;
  that.getWeek("2018","04","31"); //使用方法: 在此函數(shù)內(nèi)傳入年、月、日(此月的天數(shù))即可。
 }
})

代碼設(shè)計(jì)思路:

1、此代碼是符合我們公司實(shí)際情況定制的,選擇哪個(gè)月份,需要傳遞哪個(gè)月份的參數(shù),比如我要2018-04的日歷選擇器,那么我需要在 getWeek() 中傳遞年,月,日(此月的總天數(shù))作為參數(shù),代碼會(huì)自動(dòng)計(jì)算出當(dāng)月的一號(hào)是星期幾并且排版好!

如果不知道此月的天數(shù) ,這里還提供如下代碼方便各位碼友計(jì)算出各個(gè)月份的天數(shù)

getDayNum(year,month){ //傳入?yún)?shù)年份 和 要計(jì)算的月份, 可以為字符串,也可以為數(shù)字。
  var that = this;
  var d = new Date();
  d.setFullYear(year);
  d.setMonth(month);
  d.setDate(0);
  console.log(d.getDate()); //d.getDate() 即為此月的總天數(shù)!
 },

2、具體思路就是:根據(jù)傳遞的參數(shù)計(jì)算出當(dāng)月的第一天為星期幾,然后從星期幾開始排列,通過循環(huán){{總天數(shù)}}次,讓日期循環(huán)出來。然后再獲取當(dāng)前日期,判斷日歷彈窗與當(dāng)前月份是否吻合,如果吻合,就要將在當(dāng)前日期之前的日期都設(shè)置為不可點(diǎn)擊狀態(tài)。然后就是點(diǎn)擊獲取值,整個(gè)日歷流程完畢。

以上所述是小編給大家介紹的微信小程序日歷彈窗選擇器詳解整合,希望對大家有所幫助,如果大家有任何疑問請給我留言,小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對腳本之家網(wǎng)站的支持!

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