微信小程序實現下拉菜單切換效果

發布時間：2020-10-02 11:36:48 來源：腳本之家閱讀：456 作者：瑪咪啞哄欄目：web開發

本文實例為大家分享了微信小程序實現下拉菜單切換展示的具體代碼，供大家參考，具體內容如下

效果圖：

微信小程序實現下拉菜單切換效果

wxml：

<!-- 下拉菜單 -->
 <view id="swiper-tab">
 <view class="swiper-tab">
 <view class="swiper-tab-list {{currentTab==0 ? 'on' : ''}}" data-current="0" bindtap="tabNav">{{first}}
 <i></i>
 </view>
 <view class="swiper-tab-list {{currentTab==1 ? 'on' : ''}}" data-current="1" bindtap="tabNav">{{second}}
 <i></i>
 </view>
 <view class="swiper-tab-list {{currentTab==2 ? 'on' : ''}}" data-current="2" bindtap="tabNav">{{thirds}}
 <i></i>
 </view>
 <view class="swiper-tab-list {{currentTab==3 ? 'on' : ''}}" data-current="3" bindtap="tabNav">{{fours}}
 <i></i>
 </view>
 </view>
 <swiper current="{{currentTab}}" duration="1000" class="swiper-item" style='display:{{displays}}'>
 <swiper-item>
 <view>
  <view class='qiehuannier'>
  <view class="nav bc_white">
  <view class="{{selected?'red':'default'}}" bindtap="selected">系統提醒</view>
  <view class="{{selected1?'red':'default'}}" bindtap="selected1">優惠活動</view>
  <view class="{{selected2?'red':'default'}}" bindtap="selected2">優惠活動</view>
  </view>
  <view id="rights">
  <view class="{{selected?'show':'hidden'}}">
  <view class="{{_sum == 1?'add_adress':'add_city'}}" data-num="1" bindtap="clickSum" data-name="北京">北京</view>
  <view class="{{_sum == 2?'add_adress':'add_city'}}" data-num="2" bindtap="clickSum" data-name="上海">上海</view>
  <view class="{{_sum == 3?'add_adress':'add_city'}}" data-num="3" bindtap="clickSum" data-name="上海">上海</view>
  <view class="{{_sum == 4?'add_adress':'add_city'}}" data-num="4" bindtap="clickSum" data-name="上海">上海</view>
  <view class="{{_sum == 5?'add_adress':'add_city'}}" data-num="5" bindtap="clickSum" data-name="上海">上海</view>
  <view class="{{_sum == 6?'add_adress':'add_city'}}" data-num="6" bindtap="clickSum" data-name="上海">上海</view>
  </view>
  <view class="{{selected1?'show':'hidden'}}">
  <view class="{{_mum == 1?'add_adre':'add_city'}}" data-num="1" bindtap="clickMum" data-name="北京">北京</view>
  <view class="{{_mum == 2?'add_adre':'add_city'}}" data-num="2" bindtap="clickMum" data-name="上海">上海</view>
  <view class="{{_mum == 3?'add_adre':'add_city'}}" data-num="3" bindtap="clickMum" data-name="上海">上海</view>
  <view class="{{_mum == 4?'add_adre':'add_city'}}" data-num="4" bindtap="clickMum" data-name="上海">上海</view>
  </view>
  <view class="{{selected2?'show':'hidden'}}">
  <view class="{{_cum == 1?'add_ad':'add_city'}}" data-num="1" bindtap="clickCum" data-name="北京">北京</view>
  <view class="{{_cum == 2?'add_ad':'add_city'}}" data-num="2" bindtap="clickCum" data-name="上海">上海</view>
  <view class="{{_cum == 3?'add_ad':'add_city'}}" data-num="3" bindtap="clickCum" data-name="上海">上海</view>
  </view>
  </view>
  </view>
 </view>
 </swiper-item>
 <swiper-item>
 <view class="location_bottom" hidden="">
  <view class="{{_num == 1?'add_citying':'add_city'}}" data-num="1" bindtap="clickNum" data-name="北京">北京</view>
  <view class="{{_num == 2?'add_citying':'add_city'}}" data-num="2" bindtap="clickNum" data-name="上海">上海</view>
  <view class="{{_num == 3?'add_citying':'add_city'}}" data-num="3" bindtap="clickNum" data-name="上海">上海</view>
  <view class="{{_num == 4?'add_citying':'add_city'}}" data-num="4" bindtap="clickNum" data-name="上海">上海</view>
  <view class="{{_num == 5?'add_citying':'add_city'}}" data-num="5" bindtap="clickNum" data-name="上海">上海</view>
  <view class="{{_num == 6?'add_citying':'add_city'}}" data-num="6" bindtap="clickNum" data-name="上海">上海</view>
  <view class="{{_num == 7?'add_citying':'add_city'}}" data-num="7" bindtap="clickNum" data-name="上海">上海</view>
 </view>
 </swiper-item>
 <swiper-item>
 <view class="location_bottom" hidden="">
  <view class="{{_res == 1?'add_House':'add_city'}}" data-num="1" bindtap="clickHouse" data-name="北京">北京</view>
  <view class="{{_res == 2?'add_House':'add_city'}}" data-num="2" bindtap="clickHouse" data-name="北京">上海</view>
  <view class="{{_res == 3?'add_House':'add_city'}}" data-num="3" bindtap="clickHouse" data-name="北京">上海</view>
  <view class="{{_res == 4?'add_House':'add_city'}}" data-num="4" bindtap="clickHouse" data-name="北京">上海</view>
  <view class="{{_res == 5?'add_House':'add_city'}}" data-num="5" bindtap="clickHouse" data-name="上海">上海</view>
  <view class="{{_res == 6?'add_House':'add_city'}}" data-num="6" bindtap="clickHouse" data-name="北京">上海</view>
  <view class="{{_res == 7?'add_House':'add_city'}}" data-num="7" bindtap="clickHouse" data-name="北京">上海</view>
 </view>
 </swiper-item>
 <swiper-item class="shaixuankuang">
 <view class="shaixuan">
  <span class="shuaixuantiaojian">面積</span>
  <block wx:for="{{array}}" wx:key="key">
  <view class="chose-txt" data-id="{{index}}" bindtap="choseTxtColor" >
  <text class="chose-p">{{item.name}}</text>
  </view>
  </block>
  <view class="zidingyi">
  <span>自定義面積:</span>
  <input class="front" type='text'></input>
  <p>-</p>
  <input class="back" type='text'></input>
  <button>設置</button>
  </view>
 </view>
 <view class="shaixuan">
  <span class="shuaixuantiaojian">朝向</span>
  <block wx:for="{{chaoxiang}}" wx:key="key">
  <view class="chose-txt" data-id="{{index}}" bindtap="chaoxiang" >
  <text class="chose-p">{{item.name}}</text>
  </view>
  </block>
 </view>
 
 <view class="shaixuan">
  <span class="shuaixuantiaojian">樓層</span>
  <block wx:for="{{louceng}}" wx:key="key">
  <view class="chose-txt" data-id="{{index}}" bindtap="louceng" >
  <text class="chose-p">{{item.name}}</text>
  </view>
  </block>
 </view>
 <view class="shaixuan">
  <span class="shuaixuantiaojian">裝修</span>
  <block wx:for="{{zhuangxiu}}" wx:key="key">
  <view class="chose-txt" data-id="{{index}}" bindtap="zhuangxiu" >
  <text class="chose-p">{{item.name}}</text>
  </view>
  </block>
 </view>
 <view class="shaixuan">
  <span class="shuaixuantiaojian">建筑類別</span>
  <block wx:for="{{leibei}}" wx:key="key">
  <view class="chose-txt" data-id="{{index}}" bindtap="leibei" >
  <text class="chose-p">{{item.name}}</text>
  </view>
  </block>
 </view>
 <view class="shaixuan">
  <span class="shuaixuantiaojian">特色</span>
  <block wx:for="{{tese}}" wx:key="key">
  <view class="chose-txt" data-id="{{index}}" bindtap="tese" >
  <text class="chose-p">{{item.name}}</text>
  </view>
  </block>
 </view>
 <view class="shaixuan">
  <span class="shuaixuantiaojian">排序</span>
  <block wx:for="{{paixu}}" wx:key="key">
  <view class="chose-txt" data-id="{{index}}" bindtap="paixu" >
  <text class="chose-p">{{item.name}}</text>
  </view>
  </block>
 </view>
 <view class="qingkong">
  <span class="tianjian" bindtap="qingchu">清除條件</span>
  <p class="queren" bindtap="queren">確認</p>
 </view>
 </swiper-item>
 </swiper>
 </view>
 <view class="swiper-beijing" bindtap="hideNav" style='display:{{displays}}'></view>

wxss：

/*下拉菜單 */
 
/* 下面是tobar */
 
#swiper-tab {
 width: 100%;
 position: relative;
}
 
.swiper-tab {
 width: 100%;
 text-align: center;
 line-height: 80rpx;
 background-color: white;
}
 
.swiper-tab-list {
 font-size: 30rpx;
 display: inline-block;
 width: 25%;
 color: #666;
 border-bottom: 0rpx;
 position: relative;
}
 
.swiper-tab-list i {
 position: absolute;
 bottom: 30%;
 right: 14%;
 width: 0px;
 height: 0px;
 border: 5px solid #4e4e4e;
 border-top-color: #4e4e4e;
 border-bottom-color: transparent;
 border-left-color: transparent;
 border-right-color: transparent;
}
 
.on {
 color: #f63;
 border-bottom: 2rpx solid #f63;
}
 
.on i {
 border: 5px solid #f63;
 border-top-color: #f63;
 border-bottom-color: transparent;
 border-left-color: transparent;
 border-right-color: transparent;
}
 
.swiper-box {
 display: block;
 height: 100%;
 width: 100%;
 overflow: hidden;
}
 
.swiper-box view {
 text-align: center;
}
 
.swiper-item {
 background: #fff;
 width: 100%;
 height: 600rpx;
 display: none;
 position: absolute;
 top: 100rpx;
 z-index: 333333;
 left: 0;
 animation: displays 1s;
}
 
@keyframes displays {
 from {
 height: 0px;
 }
 
 to {
 height: 600rpx;
 }
}
 
.swiper-beijing {
 width: 100%;
 height: 200%;
 background: #000;
 opacity: 0.5;
 position: absolute;
 top: 130px;
 left: 0;
 display: none;
 z-index: 888;
 animation: 1s;
}
 
 
/* 下拉切換中的切換 */
 
.nav {
 width: 20%;
 height: 100rpx;
 float: left;
 flex-direction: row;
}
 
.default {
 width: 100%;
 line-height: 100rpx;
 text-align: center;
 color: #000;
 font-weight: bold;
 font-size: 28rpx;
 overflow: hidden;
}
 
.red {
 width: 100%;
 float: right;
 line-height: 100rpx;
 text-align: center;
 color: #f63;
 font-weight: bold;
 font-size: 28rpx;
}
 
.show {
 display: block;
 text-align: center;
 line-height: 200rpx;
}
 
.hidden {
 display: none;
 text-align: center;
 line-height: 200px;
}
 
#rights {
 width: 79%;
 float: right;
 border-left: solid 1px #eee;
 font-size: 15px;
 max-height: 600rpx;
 overflow-y: auto;
 overflow-x: hidden;
}
 
/*添加class改變樣式 */
 
.location_bottom {
 width: 100%;
 height: 400rpx;
 line-height: 140rpx;
 color: #d91f16;
 font-size: 28rpx;
 padding: 0 20rpx;
 align-items: center;
}
 
.add_city {
 width: 90%;
 display: block;
 height: 70rpx;
 line-height: 70rpx;
 border-bottom: 2rpx solid #ebebeb;
 color: #000;
 padding-left: 5%;
}
 
.add_adress {
 height: 70rpx;
 line-height: 70rpx;
 border-bottom: 2rpx solid #f63;
 color: #f63;
}
 
.add_adre {
 height: 70rpx;
 line-height: 70rpx;
 border-bottom: 2rpx solid #f63;
 color: #f63;
}
 
.add_citying {
 padding-left: 5%;
 height: 70rpx;
 line-height: 70rpx;
 border-bottom: 2rpx solid #f63;
 color: #f63;
}
 
.add_House {
 padding-left: 5%;
 height: 70rpx;
 line-height: 70rpx;
 border-bottom: 2rpx solid #f63;
 color: #f63;
}
 
/*// 篩選 */
 
.shaixuankuang {
 width: 100%;
 height: 600rpx;
 overflow: hidden;
 max-height: 600rpx;
 overflow-y: auto;
 overflow-x: hidden;
}
 
.shaixuan {
 width: 100%;
 height: auto;
 overflow: hidden;
}
 
.shuaixuantiaojian {
 width: 95%;
 padding: 0 2.5% 1%;
 display: block;
 font-size: 15px;
 color: #999;
}
 
.chose-txt {
 /* border-radius: 6px; */
 font-size: 26rpx;
 width: 29%;
 margin: 4px 14rpx;
 float: left;
}
 
.chose-p {
 line-height: 25px;
 width: 100%;
 height: 25px;
 text-align: center;
 float: left;
}
 
.zidingyi {
 width: 95%;
 height: 50px;
 margin: 0 auto;
 overflow: hidden;
}
 
.zidingyi span {
 float: left;
 font-size: 16px;
 line-height: 40px;
 color: #666;
 margin-right: 15rpx;
}
 
.zidingyi input {
 width: 50px;
 padding-left: 10rpx;
 float: left;
 margin-top: 10rpx;
 font-size: 15px;
 line-height: 40px;
 border: solid 1px #eee;
 color: #666;
}
 
.zidingyi p {
 float: left;
 margin: 0 15rpx;
 line-height: 40px;
 color: #666;
}
 
.zidingyi button {
 height: 28px;
 float: left;
 margin: 10rpx 0 0 25rpx;
 font-size: 13px;
 line-height: 28px;
 /* border: solid 1px #eee; */
 color: #666;
}
 
.qingkong {
 width: 95%;
 height: 40px;
 margin: 40rpx auto 30rpx;
}
 
.qingkong span {
 float: left;
 width: 35%;
 height: 33px;
 border: 1px solid #eee;
 box-sizing: border-box;
 color: #666;
 font-size: 14px;
 font-weight: 300;
 text-align: center;
 line-height: 33px;
 border-radius: 3px;
}
.qingkong p{
 float: right;
 width: 55%;
 height: 35px;
 color: #fff;
 font-size: 14px;
 font-weight: 300;
 text-align: center;
 line-height: 35px;
 background: rgba(229,65,65,0.95);
 border-radius: 3px;
}

js：

//banner
Page({
 data: {
 // 下拉菜單
 first: '區域',
 second: '售價',
 thirds: '房型',
 fours: '篩選',
 _num: 0,
 _res: 0,
 
 // 篩選
 array: [{ name: '單拍' }, { name: '親子套餐' }, { name: '活動套餐' }, { name: '女王套餐' }],
 chaoxiang: [{ name: '單拍' }, { name: '親子套餐' }, { name: '活動套餐' }, { name: '女王套餐' }],
 louceng: [{ name: '單拍' }, { name: '親子套餐' }, { name: '活動套餐' }, { name: '女王套餐' }],
 zhuangxiu: [{ name: '單拍' }, { name: '親子套餐' }, { name: '活動套餐' }, { name: '女王套餐' }],
 leibei: [{ name: '單拍' }, { name: '親子套餐' }, { name: '活動套餐' }, { name: '女王套餐' }],
 tese: [{ name: '單拍' }, { name: '親子套餐' }, { name: '活動套餐' }, { name: '女王套餐' }],
 paixu: [{ name: '單拍' }, { name: '親子套餐' }, { name: '活動套餐' }, { name: '女王套餐' }],
 one: 0,
 two: 0,
 third: 0,
 four: 0,
 five: 0,
 six: 0,
 seven: 0,
 },
 isShow: true,
 currentTab: 0,
 
 // 下拉切換
 hideNav: function () {
 this.setData({
 displays: "none"
 })
 },
 // 區域
 tabNav: function (e) {
 this.setData({
 displays: "block"
 })
 this.setData({
 selected1: false,
 selected2: false,
 selected: true
 })
 if (this.data.currentTab === e.target.dataset.current) {
 return false;
 } else {
 
 var showMode = e.target.dataset.current == 0;
 
 this.setData({
 currentTab: e.target.dataset.current,
 isShow: showMode
 })
 }
 },
 // 下拉切換中的切換
 // 區域
 selected: function (e) {
 this.setData({
 selected1: false,
 selected2: false,
 selected: true
 })
 },
 selected1: function (e) {
 this.setData({
 selected: false,
 selected2: false,
 selected1: true
 })
 },
 selected2: function (e) {
 this.setData({
 selected: false,
 selected1: false,
 selected2: true
 })
 },
 // 下拉菜單1 2 3 4
 // 區域
 clickSum: function (e) {
 console.log(e.target.dataset.num)
 this.setData({
 _sum: e.target.dataset.num
 })
 this.setData({
 first: e.target.dataset.name
 })
 this.setData({
 displays: "none"
 })
 var text = this.data.name
 console.log(text)
 },
 onLoad: function (options) {
 
 },
 clickMum: function (e) {
 console.log(e.target.dataset.num)
 this.setData({
 _mum: e.target.dataset.num
 })
 this.setData({
 displays: "none"
 })
 var text = this.data.name
 console.log(text)
 },
 onLoad: function (options) {
 
 },
 clickCum: function (e) {
 console.log(e.target.dataset.num)
 this.setData({
 _cum: e.target.dataset.num
 })
 this.setData({
 displays: "none"
 })
 var text = this.data.name
 console.log(text)
 },
 onLoad: function (options) {
 
 },
 // 售價
 clickNum: function (e) {
 console.log(e.target.dataset.num)
 this.setData({
 _num: e.target.dataset.num
 })
 this.setData({
 second: e.target.dataset.name
 })
 this.setData({
 displays: "none"
 })
 var text = this.data.name
 console.log(text)
 },
 onLoad: function (options) {
 
 },
 // 房型
 clickHouse: function (e) {
 console.log(e.target.dataset.num)
 this.setData({
 _res: e.target.dataset.num
 })
 this.setData({
 thirds: e.target.dataset.name
 })
 this.setData({
 displays: "none"
 })
 },
 onLoad: function (options) {
 
 },
 
 // 篩選
 choseTxtColor: function (e) {
 var id = e.currentTarget.dataset.id; //獲取自定義的ID值 
 console.log(e.currentTarget.dataset.id)
 this.setData({
 one: id
 })
 },
 chaoxiang: function (e) {
 var id = e.currentTarget.dataset.id; //獲取自定義的ID值 
 this.setData({
 two: id
 })
 },
 louceng: function (e) {
 var id = e.currentTarget.dataset.id; //獲取自定義的ID值 
 this.setData({
 third: id
 })
 },
 zhuangxiu: function (e) {
 var id = e.currentTarget.dataset.id; //獲取自定義的ID值 
 this.setData({
 four: id
 })
 },
 leibei: function (e) {
 var id = e.currentTarget.dataset.id; //獲取自定義的ID值 
 this.setData({
 five: id
 })
 },
 tese: function (e) {
 var id = e.currentTarget.dataset.id; //獲取自定義的ID值 
 this.setData({
 six: id
 })
 },
 paixu: function (e) {
 var id = e.currentTarget.dataset.id; //獲取自定義的ID值 
 this.setData({
 seven: id
 })
 }
})

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