微信小程序实现的点击按钮 弹出底部上拉菜单功能示例

<button type="default" bindtap="actionsheettap">弹出action sheet</button>
<action-sheet hidden="{{actionsheethidden}}" bindchange="actionsheetbindchange">
  <block wx:for-items="{{actionsheetitems}}">
    <action-sheet-item bindtap="bind{{item.bindtap}}">{{item.txt}}</action-sheet-item>
  </block>
  <action-sheet-cancel class="cancel">取消</action-sheet-cancel>
</action-sheet>
<view>
  提示：您选择了菜单{{menu}}
</view>

page({
 data:{
  // text:"这是一个页面"
  actionsheethidden:true,
  actionsheetitems:[
   {bindtap:'menu1',txt:'菜单1'},
   {bindtap:'menu2',txt:'菜单2'},
   {bindtap:'menu3',txt:'菜单3'}
  ],
  menu:''
 },
 actionsheettap:function(){
  this.setdata({
   actionsheethidden:!this.data.actionsheethidden
  })
 },
 actionsheetbindchange:function(){
  this.setdata({
   actionsheethidden:!this.data.actionsheethidden
  })
 },
 bindmenu1:function(){
  this.setdata({
   menu:1,
   actionsheethidden:!this.data.actionsheethidden
  })
 },
 bindmenu2:function(){
  this.setdata({
   menu:2,
   actionsheethidden:!this.data.actionsheethidden
  })
 },
 bindmenu3:function(){
  this.setdata({
   menu:3,
   actionsheethidden:!this.data.actionsheethidden
  })
 }
})