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这篇文章给大家分享的是有关小程序中如何实现弹出菜单功能的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。
需求
点击标签栏按钮，向下弹出菜单，再次点击，收回菜单
要解决的问题
标签栏三栏样式，标签栏固定不动；
点击标签栏弹出菜单，并且出现透明遮罩；
遮罩优先级在弹出框之下；
弹出框内标签的设置；
滚动栏滚动条的隐藏
如何解决？
弹性布局，横向，三者平分整栏;
状态监听点击事件，数据控制hide或者show,通过rgba设置透明度
弹出框设置z-index；
弹性布局flex 横向排列 超出后wrap 然后space-around控制间距
::-webkit-scrollbar {
width: 0;
height: 0;
color: transparent;
}具体实现
wxml
<import src="../../templates/template" />
<view class="container {{isMask?'mask':''}}">
<view class="header">
<view class="filterCity {{status=='1' && isActive?'active':''}}" data-status='1' bindtap="changeStatus">
<view class="city">城市筛选</view>
<image src="{{status=='1' && isActive?'../../youzan-image/red-up.png':'../../youzan-image/down.png'}}" />
</view>
<view class="filterJob {{status=='2' && isActive?'active':''}}" data-status='2' bindtap="changeStatus">
<view class="job">职位筛选</view>
<image src="{{status=='2' && isActive?'../../youzan-image/red-up.png':'../../youzan-image/down.png'}}" />
</view>
<view class="filterOrder {{status=='3'&& isActive?'active':''}}" data-status='3' bindtap="changeStatus">
<view class="order">排序方式</view>
<image src="{{status=='3' && isActive?'../../youzan-image/red-up.png':'../../youzan-image/down.png'}}" />
</view>
</view>
<block wx:if="{{isActive==true&&status=='1'}}">
<view class="cityContainer">
<block wx:for="{{city}}" wx:key="id" wx:for-index="index">
<view class="city {{isSelect&&index==curIndex?'select':''}}" data-index="{{index}}" bindtap="select">{{item}}</view>
</block>
</view>
</block>
<block wx:if="{{isActive==true&&status=='2'}}">
<scroll-view scroll-y="true" class="posContainer">
<block wx:for="{{cur}}" data-index='index' wx:for-index='index' wx:key="index">
<view class="title">{{item.title}}</view>
<view class="poscontent">
<view wx:for="{{item.types}}" wx:for-item="type" wx:key='id' wx:for-index="{{index}}" data-index="{{index}}">
<view class="tag {{isSelect&&index==curIndex?'select':''}}" data-id="{{id}}" bindtap="multiSelect">{{type}}</view>
</view>
</view>
</block>
<view class="confirm">
<button class="weui-btn" type="warn">确认</button>
</view>
</scroll-view>
</block>
<block wx:if="{{isActive==true&&status=='3'}}">
<view class="orderContainer">
<view class="block">智能排序</view>
<view class="block">时间排序</view>
<view class="block">薪资排序</view>
</view>
</block>
<view class="listContainer" >
<view wx:for="{{jobList}}" wx:key="index" data-index="{{index}}">
<template is="list-item" data="{{...item}}" />
</view>
</view>
<view class="search " bindtap="search">
<image src="../../youzan-image/search.png" />
<text>搜索</text>
</view>
</view>wxss
page {
position: relative;
width: 100%;
height: 100vh;
}
.header {
width: 100%;
height: 80rpx;
position: fixed;
top: 0;
display: flex;
flex-direction: row;
justify-content: space-between;
text-align: center;
color: #313131;
font-size: 16px;
border-bottom: 1rpx solid #eeeeee;
z-index: 9999;
background-color: #fff;
}
.filterCity {
flex: 1;
position: relative;
height: 80rpx;
line-height: 80rpx;
}
.filterJob {
position: relative;
flex: 1;
height: 80rpx;
line-height: 80rpx;
}
.filterOrder {
position: relative;
flex: 1;
height: 80rpx;
line-height: 80rpx;
}
.header image {
position: absolute;
right: 15rpx;
top: 26rpx;
width: 30rpx;
height: 30rpx;
}
.active {
color: #ef0001;
}
.mask {
width: 100%;
height: 100%;
position: fixed;
top: 80rpx;
background-color: rgba(15, 15, 26, 0.3);
}
.cityContainer {
display: flex;
flex-direction: row;
justify-content: space-around;
align-items: space-between;
flex-wrap: wrap;
width: 100%;
height: 300rpx;
z-index: 999;
background-color: #fff;
border-bottom: 1rpx solid #e9e9e9;
padding-bottom: 130rpx;
}
.cityContainer .city {
display: block;
font-size: 15px;
margin-top: 100rpx;
width: 150rpx;
height: 50rpx;
line-height: 50rpx;
text-align: center;
border: 1rpx solid #e9e9e9;
overflow: hidden;
}
.select {
color: #ffffff;
background-color: #ed0000;
}
.posContainer {
height: 980rpx;
width: 100%;
background-color: #fff;
/* overflow:auto; */
}
::-webkit-scrollbar {
width: 0;
height: 0;
color: transparent;
}
.title {
margin-top: 55rpx;
font-size: 15px;
margin-left: 28rpx;
}
.poscontent {
width: 100%;
display: flex;
flex-direction: row;
justify-content: flex-start;
flex-wrap: wrap;
margin-top: -15rpx;
}
.tag {
margin-left: 28rpx;
margin-top: 23rpx;
font-size: 13px;
width: 150rpx;
height: 50rpx;
line-height: 50rpx;
text-align: center;
border: 1rpx solid #e9e9e9;
}
.confirm {
width: 100%;
height: 150rpx;
border: 1rpx solid transparent;
background-color: #fff;
}
.weui-btn {
position: fixed;
width: 95%;
bottom: 52rpx;
left: 50%;
transform: translateX(-50%);
}
.orderContainer {
display: flex;
flex-direction: row;
justify-content: space-around;
align-items: center;
background-color: #fff;
width: 100%;
height: 125rpx;
}
.block {
font-size: 13px;
width: 200rpx;
height: 50rpx;
line-height: 50rpx;
text-align: center;
border: 1rpx solid #e9e9e9;
}
.search {
position: fixed;
bottom: 80rpx;
background-color: #fff;
right: 25rpx;
width: 150rpx;
height: 75rpx;
line-height: 75rpx;
text-align: center;
border-radius: 35rpx;
box-shadow: 1rpx 1rpx 7rpx 7rpx #f5f5f5;
}
.search image {
width: 30rpx;
height: 30rpx;
}
.search text {
font-size: 15px;
padding-left: 9rpx;
color: #666666;
}
.listContainer {
width: 100%;
height: 100%;
margin-top: 80rpx;
}js
import category from '../../api/employ'
import jobList from '../../api/detail'
Page({
data: {
curIndex: '',
isActive: false,
jobList:[],
cur: [],
job: [],
isShow: true,
status: 0,
isMask: false,
isSelect: false,
city: ['全国', '杭州', '北京', '深圳', '上海', '广州', '武汉', '重庆']
},
changeStatus(e) {
let status = e.currentTarget.dataset.status;
let cur = category;
this.setData({
isActive: !this.data.isActive,
status: status,
isMask: !this.data.isMask,
cur: cur,
})
},
select(e) {
let curIndex = e.currentTarget.dataset.index;
this.setData({
isSelect: " curIndex == this.data.curIndex ? '!this.data.isActive' : 'true' ",
isActive: false,
isMask:false,
curIndex: curIndex,
})
},
multiSelect(e){
let multiIndex=e.currentTarget.dataset.index;
this.setData({
isSelect:!this.data.isSelect,
curIndex:multiIndex
})
},
search(e) {
wx.navigateTo({
url: '../search/search',
})
},
onLoad: function (e) {
this.setData({
jobList:jobList
})
},
click:function (e) {
let id =e.currentTarget.dataset.id;
wx.navigateTo({
url: `../detail/detail?id=${id}`,
})
}
})感谢各位的阅读！关于“小程序中如何实现弹出菜单功能”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！
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