微信小程序实现下拉菜单切换效果

本文实例为大家分享了微信小程序实现下拉菜单切换展示的具体代码，供大家参考，具体内容如下

效果图：

wxml：

 
 
  {{first}}
  
  
  {{second}}
  
  
  {{thirds}}
  
  
  {{fours}}
  
  
 
 
  
  
   
   
    系统提醒
    优惠活动
    优惠活动
   
   
    
    北京
    上海
    上海
    上海
    上海
    上海
    
    
    北京
    上海
    上海
    上海
    
    
    北京
    上海
    上海
    
   
   
  
  
  
  
  
  
  
  
  
  
   面积
   
   
    {{item.name}}
   
   
   
   自定义面积:
   
   
-
   
   设置
   
  
  
   朝向
   
   
    {{item.name}}
   
   
  
 
  
   楼层
   
   
    {{item.name}}
   
   
  
  
   装修
   
   
    {{item.name}}
   
   
  
  
   建筑类别
   
   
    {{item.name}}
   
   
  
  
   特色
   
   
    {{item.name}}
   
   
  
  
   排序
   
   
    {{item.name}}
   
   
  
  
   清除条件
   
确认
  
  
 
 
 

wxss：

/*下拉菜单 */
 
/* 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;
}
 
 
/* 下拉切换中的切换 */
 
.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改变样式 */
 
.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;
}
 
/*// 筛选 */
 
.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: {
 // 下拉菜单
 first: '区域',
 second: '售价',
 thirds: '房型',
 fours: '筛选',
 _num: 0,
 _res: 0,
 
 // 筛选
 array: [{ name: '单拍' }, { name: '亲子套餐' }, { name: '活动套餐' }, { name: '女王套餐' }],
 chaoxiang: [{ name: '单拍' }, { name: '亲子套餐' }, { name: '活动套餐' }, { name: '女王套餐' }],
 louceng: [{ name: '单拍' }, { name: '亲子套餐' }, { name: '活动套餐' }, { name: '女王套餐' }],
 zhuangxiu: [{ name: '单拍' }, { name: '亲子套餐' }, { name: '活动套餐' }, { name: '女王套餐' }],
 leibei: [{ name: '单拍' }, { name: '亲子套餐' }, { name: '活动套餐' }, { name: '女王套餐' }],
 tese: [{ name: '单拍' }, { name: '亲子套餐' }, { name: '活动套餐' }, { name: '女王套餐' }],
 paixu: [{ name: '单拍' }, { name: '亲子套餐' }, { name: '活动套餐' }, { name: '女王套餐' }],
 one: 0,
 two: 0,
 third: 0,
 four: 0,
 five: 0,
 six: 0,
 seven: 0,
 },
 isShow: true,
 currentTab: 0,
 
 // 下拉切换
 hideNav: function () {
 this.setData({
  displays: "none"
 })
 },
 // 区域
 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
  })
 }
 },
 // 下拉切换中的切换
 // 区域
 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
 })
 },
 // 下拉菜单1 2 3 4
 // 区域
 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) {
 
 },
 // 售价
 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) {
 
 },
 
 // 筛选
 choseTxtColor: function (e) {
 var id = e.currentTarget.dataset.id; //获取自定义的ID值 
 console.log(e.currentTarget.dataset.id)
 this.setData({
  one: id
 })
 },
 chaoxiang: function (e) {
 var id = e.currentTarget.dataset.id; //获取自定义的ID值 
 this.setData({
  two: id
 })
 },
 louceng: function (e) {
 var id = e.currentTarget.dataset.id; //获取自定义的ID值 
 this.setData({
  third: id
 })
 },
 zhuangxiu: function (e) {
 var id = e.currentTarget.dataset.id; //获取自定义的ID值 
 this.setData({
  four: id
 })
 },
 leibei: function (e) {
 var id = e.currentTarget.dataset.id; //获取自定义的ID值 
 this.setData({
  five: id
 })
 },
 tese: function (e) {
 var id = e.currentTarget.dataset.id; //获取自定义的ID值 
 this.setData({
  six: id
 })
 },
 paixu: function (e) {
 var id = e.currentTarget.dataset.id; //获取自定义的ID值 
 this.setData({
  seven: id
 })
 }
})

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。