<span style="font-family:Comic Sans MS;font-size:18px;color:#333333;"><view class="container" class="zn-uploadimg">

    <button type="primary"bindtap="showok">消息提示框</button>

    <button type="primary"bindtap="modalcnt">模态弹窗</button>

    <button type="primary"bindtap="actioncnt">操作菜单</button>

</view></span>

//show.js

//获取应用实例

var app = getApp()

Page({

    actioncnt:function(){

        wx.showActionSheet({

            itemList: ['A', 'B', 'C'],

            success: function(res) {

                console.log(res.tapIndex)

            },

            fail: function(res) {

                console.log(res.errMsg)

            }

        })

    }

})  

<!--show.wxml-->

<view class="container" class="zn-uploadimg">

    <button type="primary"bindtap="modalinput">modal有输入框</button>

</view>

<modal hidden="{{hiddenmodalput}}" title="请输入验证码" confirm-text="提交" cancel-text="重置" bindcancel="cancel" bindconfirm="confirm">

    <input type='text' placeholder="姓名" auto-focus/>

    <input type='number' placeholder="手机" auto-focus/> 

</modal>  

//show.js

//获取应用实例

var app = getApp()

Page({

    data:{

        hiddenmodalput:true,

        //可以通过hidden是否掩藏弹出框的属性，来指定那个弹出框

    },

    //点击按钮痰喘指定的hiddenmodalput弹出框

    modalinput:function(){

        this.setData({

           hiddenmodalput: !this.data.hiddenmodalput

        })

    },

    //取消按钮

    cancel: function(){

        this.setData({

            hiddenmodalput: true

        });

    },

    //确认

    confirm: function(){

        this.setData({

            hiddenmodalput: true

        })

    }  

})