最近为了实现课程设计，也做了一些前端的东西，今天想要做一个联动菜单来实现一些功能。实现了，也来做做笔记。
第1步：了解一下
左右侧菜单其实简单来讲就是把一个区域分成左右两个部分。关于组件，我觉得可以直接去微信开发文档看。通过代码，我觉得应该是可以理解的。话步多讲，直接上代码。（首先说明一点的是，我还是个刚刚接触前端的小白，可能有些写得不太好得，往各位博友多多指出改进得建议，相互学习）
第2步：先看一下效果啦
运行效率还是可以的很快，无卡顿现象。
第3步：实现（代码）
这里我只放了其中一部分，也是可以直接实现的，没有问题，可以根据自己的需要修改。
wxml
<!-- 左侧滚动栏 -->
<view class ='total'>
<view class='under_line'></view>
<view style='float: left' class='left'>
<scroll-view scroll-y scroll-with-animation scroll-left="{{scrollLength}}" class='scrollY' style='height: {{winHeight}}px'>
<view class='all clear'>
<block wx:key="lists" wx:for="{{lists}}">
<view bindtap='jumpIndex' data-menuindex='{{index}}'>
<view class='text-style'>
<text class="{{indexId==index?'active1':''}}">{{item}}</text>
<text class="{{indexId==index?'active':''}}"></text>
</view>
</view>
</block>
</view>
</scroll-view>
</view>
<!--右侧栏-->
<view class="right">
<!--判断indexId值显示不同页面-->
<view wx:if="{{indexId==0}}">
<scroll-view scroll-y scroll-with-animation scroll-left="{{scrollLength}}" class='scrollY2' style='height: {{winHeight}}px'>
<view class='all clear'>
<block wx:key="lists_r0" wx:for="{{lists_r0}}">
<view bindtap='jumpIndexR0' data-menuindex='{{index}}'>
<view class='text-style2'>
<text class="{{indexIdr0==index?'active2':''}}">{{item}}</text>
<text class="{{indexIdr0==index?'active3':''}}"></text>
</view>
</view>
</block>
</view>
</scroll-view>
</view>
<view wx:if="{{indexId==1}}">
<scroll-view scroll-y scroll-with-animation scroll-left="{{scrollLength}}" class='scrollY2' style='height: {{winHeight}}px'>
<view class='all clear'>
<block wx:key="lists_r1" wx:for="{{lists_r1}}">
<view bindtap='jumpIndexR0' data-menuindex='{{index}}'>
<view class='text-style2'>
<text class="{{indexIdr0==index?'active2':''}}">{{item}}</text>
<text class="{{indexIdr0==index?'active3':''}}"></text>
</view>
</view>
</block>
</view>
</scroll-view>
</view>
</view>
</view>wxss
.under_line{
width: 100%;
border-top: 1rpx solid #efefef;
}
.left {
border-top: 1rpx solid #efefef;
border-right: 1rpx solid #efefef;
}
.text-style {
width: 200rpx;
height: 140rpx;
line-height: 140rpx;
text-align: center;
font-size: 34rpx;
font-family: PingFangSC-Semibold;
color: rgba(51, 51, 51, 1);
}
.active3 {
display: block;
width: 500rpx;
height: 6rpx;
background: rgb(88, 123, 193);
position: relative;
left: 0rpx;
bottom: 30rpx;
}
.active2 {
color: rgb(88, 123, 193);
}
.active1 {
color: #96C158;
}
.active {
display: block;
width: 50rpx;
height: 6rpx;
background: #96C158;
position: relative;
left: 75rpx;
bottom: 30rpx;
}
.scrollY {
width: 210rpx;
position: fixed;
left: 0;
top: 0;
border-right: 1rpx solid #efefef;
}
.right{
border-top: 1rpx solid #efefef;
border-left: 1rpx solid rgba(0,0,0,0.0);
margin-left: 2rpx;
}
.scrollY2 {
width: 520rpx;
position: fixed;
right: 0;
top: 0;
border-left: 1rpx solid rgba(0,0,0,0);
margin-left: 2rpx;
}
.text-style2 {
width: 520rpx;
height: 140rpx;
line-height: 140rpx;
text-align: left;
font-size: 34rpx;
font-family: PingFangSC-Semibold;
color: rgba(51, 51, 51, 1);
}
.button_call{
height: 90rpx;
width: 90rpx;
position: fixed;
bottom: 150rpx;
right: 13rpx;
opacity: 0.7;
z-index: 100;
}js
Page({
data: {
lists: [
"主类1", "主类2", "主类3", "学生工作部", "党委部门", "校工与教务", "离退休工作处", "保卫处", "财务与审计", "实验室与设备", "人事处", "保卫处", "学院", "直属单位", "其他"
],
lists_r0: [
"主类1的子类1",
"主类1的子类2", "主类1的子类3", "主类1的子类4", "党委部门", "校工与教务", "离退休工作处", "保卫处", "财务与审计", "实验室与设备", "人事处", "保卫处", "学院", "直属单位", "其他"
],
lists_r1: [
"主类2的子类1",
"主类2的子类2", "主类2的子类3", "主类2的子类4", "党委部门", "校工与教务", "离退休工作处", "保卫处", "财务与审计", "实验室与设备", "人事处", "保卫处", "学院", "直属单位", "其他"
],
indexId: 0,
indexIdr0: 0,
indexIdr0: 1,
},
// 左侧点击事件
jumpIndex(e) {
let index = e.currentTarget.dataset.menuindex
let that = this
that.setData({
indexId: index
});
},
jumpIndexR0(e) {
let index = e.currentTarget.dataset.menuindex
let that = this
that.setData({
indexIdr0: index
});
},
onLoad: function(options) {
var that = this
wx.getSystemInfo({
success: function(res) {
that.setData({
winHeight: res.windowHeight
});
}
});
},
onReady: function() {
},
onShow: function() {
},
onHide: function() {
},
onUnload: function() {
},
onPullDownRefresh: function() {
},
onReachBottom: function() {
},
onShareAppMessage: function() {
}
})json
{
"usingComponents": { },
"navigationBarBackgroundColor":"自己想要的背景色",
"navigationBarTitleText": "电话查询",
"navigationBarTextStyle":"black",
"enablePullDownRefresh": true
}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编程网。
