wx.showToast({
 title: '成功',
 icon: 'succes',
 duration: 1000,
 mask:true
 })

wx.showToast({
 title: '加载中',
 icon: 'loading',
 duration: 10000
})

setTimeout(function(){
 wx.hideToast()
},2000)

 wx.showModal({
 title: '提示',
 content: '模态弹窗',
 success: function (res) {
 if (res.confirm) {
 console.log('用户点击确定')
 }else{
 console.log('用户点击取消')
 }

 }
 })

wx.showActionSheet({
 itemList: ['A', 'B', 'C'],
 success: function(res) {
 console.log(res.tapIndex)
 },
 fail: function(res) {
 console.log(res.errMsg)
 }
})

 <view class="commodity_screen" bindtap="hideModal" wx:if="{{showModalStatus}}"></view>
 <view animation="{{animationData}}" class="commodity_attr_box" wx:if="{{showModalStatus}}" bindtap="navigate">
 <text class="title">{{title}}</text>
 </view>

.commodity_screen {
 width: 100%;
 height: 100%;
 position: fixed;
 top: 0;
 left: 0;
 background: #000;
 opacity: 0.2;
 overflow: hidden;
 z-index: 1000;
 color: #fff;
}

.commodity_attr_box {
 width: 100%;
 overflow: hidden;
 position: fixed;
 bottom: 0;
 left: 0;
 z-index: 2000;
 height: 60px;
 background: #fff;

}

.title {
 height: 100%;
 width: 100%;
 position: fixed;
 text-align: center;
 margin-top: 20px;
 margin-bottom: 20px;

}

 showView() {
 // 显示遮罩层
 var animation = wx.createAnimation({
 duration: 200,
 timingFunction: "linear",
 delay: 0
 })
 this.animation = animation
 animation.translateY(300).step()
 this.setData({
 animationData: animation.export(),
 showModalStatus: true
 })
 setTimeout(function () {
 animation.translateY(0).step()
 this.setData({
 animationData: animation.export()
 })
 }.bind(this), 200)
 },

 hideModal: function () {
 this.hideView();
 },

 hideView() {
 // 隐藏遮罩层
 var animation = wx.createAnimation({
 duration: 200,
 timingFunction: "linear",
 delay: 0
 })
 this.animation = animation
 animation.translateY(300).step()
 this.setData({
 animationData: animation.export(),
 })
 setTimeout(function () {
 animation.translateY(0).step()
 this.setData({
 animationData: animation.export(),
 showModalStatus: false
 })
 }.bind(this), 200)
 }

 <action-sheet hidden="{{actionSheetHidden}}" bindchange="actionSheetChange">
 <block wx:for-items="{{actionSheetItems}}">
 <action-sheet-item class="item" bindtap="bind{{item}}">{{item}}</action-sheet-item>
 </block>
 <action-sheet-cancel class="cancel">取消</action-sheet-cancel>
</action-sheet>

Page({
data: {
 actionSheetHidden: true,
 actionSheetItems: items
 },
 actionSheetTap: function(e) {
 this.setData({
 actionSheetHidden: !this.data.actionSheetHidden
 })
 },
 actionSheetChange: function(e) {
 this.setData({
 actionSheetHidden: !this.data.actionSheetHidden
 })
 }
}
})