微信小程序点击按钮 弹出底部上拉菜单

//index.wxml

<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>

//index.js

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
    })
  }
})