微信小程序开发显示下拉列表功能【附源码下载】

{ "pages":[  "views/views",  "views/navigators/navigator1/navigator1",  "views/navigators/navigator2/navigator2",  "views/navigators/navigator3/navigator3",  "pages/index/index",  "pages/logs/logs" ], "window":{  "backgroundTextStyle":"light",  "navigationBarBackgroundColor": "#fff",  "navigationBarTitleText": "CuoXin错新网 下拉列表测试",  "navigationBarTextStyle":"black" }}

Page({ data:{  // text:"这是一个页面"  open:false }, showitem:function(){   this.setData({     open:!this.data.open   }) }, onLoad:function(options){  // 页面初始化 options为页面跳转所带来的参数 }, onReady:function(){  // 页面渲染完成 }, onShow:function(){  // 页面显示 }, onHide:function(){  // 页面隐藏 }, onUnload:function(){  // 页面关闭 }})

<view class="page">  <view class="page_bd">    <view class="body_head" bindtap="showitem">点击我显示下拉列表</view>    <navigator url="../views/navigators/navigator1/navigator1"><view class="{{open?'display_show':'display_none'}}">列表1</view></navigator>    <navigator url="../views/navigators/navigator2/navigator2"><view class="{{open?'display_show':'display_none'}}">列表2</view></navigator>    <navigator url="../views/navigators/navigator3/navigator3"><view class="{{open?'display_show':'display_none'}}">列表3</view></navigator>  </view></view>

.page_bd{  padding: 10px;  background-color: snow;}.body_head{  border: 1px solid;  border-color: beige;  padding: 10px;}.display_show{  display: block;  border: 1px solid;  border-color: beige;  padding: 10px;}.display_none{  display: none;}