小程序模板网

微信小程序弹出和隐藏遮罩层动画以及五星评分

参考源码:
http://www.see-source.com/weixinwidget/detail.html?wid=82
https://blog.csdn.net/pcaxb/article/details/56276180
https://developers.weixin.qq.com/miniprogram/dev/api/api-animation.html

train.wxml

<view class='train_con'>

 <view class='head'>
 <text>{{bankname}}</text>
 <text class='count'>{{index+1}}/{{allquestion.length}}</text>
 </view>

<view bindtouchstart="touchStart" bindtouchend="touchEnd" style='width:100%;height:100%;display: flex;flex-direction: column;justify-content: center;align-items: center;'>

 <view class='question_view'>
 <text class='question_text'>{{questionlist.question}}</text>

 <view class='option_view' data-id="A" bindtap="changeColor">

 <view class="letter_view {{letterid=='A'?'active':''}} {{errorid=='A'?'error':''}}">
 <text class='letter'>A</text>
 </view>

 <view class='option_text_view' >
 <text class='option_text'>{{questionlist.choiceA}}</text> 
 </view>
 </view>

 <view class='option_view'  data-id='B' bindtap="changeColor">

 <view class="letter_view {{letterid=='B'?'active':''}} {{errorid=='B'?'error':''}}">
 <text class='letter'>B</text>
 </view>

 <view class='option_text_view'>
 <text class='option_text'>{{questionlist.choiceB}}</text>
 </view>
 </view>

 <view class='option_view'  data-id='C' bindtap="changeColor">
 <view class="letter_view  {{letterid=='C'?'active':''}} {{errorid=='C'?'error':''}}">
 <text class='letter'>C</text>
 </view>

 <view class='option_text_view'>
 <text class='option_text'>{{questionlist.choiceC}}</text>
 </view>
 </view>

 <view class='option_view'  data-id='D' bindtap="changeColor">
 <view class="letter_view {{letterid=='D'?'active':''}} {{errorid=='D'?'error':''}}">
 <text class='letter'>D</text>
 </view>

 <view class='option_text_view'>
 <text class='option_text'>{{questionlist.choiceD}}</text>
 </view>
 </view>
 
 </view>
<!-- 答案解析 -->
 <view>
 <view class="analysis_view {{clickcheckid==1?'checked2':''}}">
 <text>参考答案:{{questionlist.answer}}\n参考解析:{{questionlist.analysis}}</text>
 </view>
 </view>

 
 <view class="checkanswer_view {{clickcheckid==1?'checked':''}}" bindtap='checkanswer_click'>
 <text>查看答案</text>
 </view>
 </view>

<!-- 透明遮盖层,用于退出评分层 -->
 <view  bindtap="hideModal" animation="{{animationData}}" class="touming_top" wx:if="{{showModalStatus}}"> 
 </view> 

 <!-- 评分遮盖层 -->
<view animation="{{animationData}}" class="container-column buydes-dialog-container" wx:if="{{showModalStatus}}"> 
 <view class="buydes-dialog-container-top">这道题对你有用吗?评个分吧</view> 
 <view class="container-column buydes-dialog-container-bottom"> 
 <!-- 评分 -->
 <block wx:for="{{stars}}">
 <image class="star-image" style="left: {{item*80+185}}rpx" src="{{key > item ?selectedSrc : normalSrc}}">
 <view class="item" style="left:0rpx" data-key="{{item+1}}" bindtap="selectRight"></view>
 </image>
 </block> 
 <view class="mark_btn" bindtap='mark_click'>
 <text>确定</text>
 </view>
 </view> 
 </view>

<!-- 透明遮盖层,用于退出评分层 -->
 <view  bindtap="hideModal" animation="{{animationData}}" class="touming" wx:if="{{showModalStatus}}"> 
 </view> 

<!-- 底部栏 -->
 <view class='leftandright'>

 <view class='bottom_view' bindtap="showModal" >
 <image class="bottom_image" src='../images/score.png'></image>
 </view>

 <view class='bottom_view' bindtap='nextquestion_click'>
 <image class="bottom_image" src='../images/comment.png'></image>
 </view>
 
 <button style="color: #fff; width: 80rpx;height: 80rpx;background-color: #fff;padding:0rpx;          margin-left:0rpx;margin-right:0rpx;padding-left:0px;padding-right:0px;" id="shareBtn"               open-type="share" class='share_btn'>
 <image class="bottom_image" src='../images/share.png'></image>
 </button>
 
 </view>


</view>

 

train.js

var interval = "";//周期执行函数的对象
var time = 0;//滑动时间
var touchDot = 0;//触摸时的原点
var flag_hd = true;//判定是否可以滑动

let animationShowHeight = 300;//动画偏移高度

Page({

 /**
   * 页面的初始数据
 */
  data: {

 // 遮罩层变量
    animationData: "",
    showModalStatus: false,
    imageHeight: 0,
    imageWidth: 0,

 // 评分变量
    stars: [0, 1, 2, 3, 4],//评分数值数组
    normalSrc: '../images/score.png',//空心星星图片路径
    selectedSrc: '../images/fullstar.png',//选中星星图片路径
    key: 0,//评分
  },

 //点击星星
  selectRight: function (e) {
 var key = e.currentTarget.dataset.key
    console.log("得" + key + "分")
 this.setData({
      key: key
    })
  },

 // 确定评分
  mark_click: function () {
 this.hideModal()
  },

 // 显示遮罩层  
  showModal: function () {
 //创建一个动画实例animation。调用实例的方法来描述动画。
 var animation = wx.createAnimation({
      duration: 500,         //动画持续时间500ms
      timingFunction: "ease",//动画以低速开始,然后加快,在结束前变慢
      delay: 0               //动画延迟时间0ms
    })
 this.animation = animation
 //调用动画操作方法后要调用 step() 来表示一组动画完成
    animation.translateY(animationShowHeight).step()//     在Y轴向上偏移300
 this.setData({
 //通过动画实例的export方法导出动画数据传递给组件的animation属性。
      animationData: animation.export(),
      showModalStatus: true //显示遮罩层
    })
    setTimeout(function () {
      animation.translateY(0).step()
 this.setData({
        animationData: animation.export()
      })
    }.bind(this), 1)
  },

 // 隐藏遮罩层  
  hideModal: function () {
 var animation = wx.createAnimation({
      duration: 500,
      timingFunction: "ease",
      delay: 0
    })
 this.animation = animation;
    animation.translateY(animationShowHeight).step()
 this.setData({
      animationData: animation.export(),
    })
    setTimeout(function () {
      animation.translateY(0).step()
 this.setData({
        animationData: animation.export(),
        showModalStatus: false
      })
    }.bind(this), 200)
  },

 // 评分按钮
  score_click: function () {
 
  },


 /**
   * 生命周期函数--监听页面加载
 */
  onLoad: function (options) {
 
  },

 /**
   * 生命周期函数--监听页面初次渲染完成
 */
  onReady: function () {

  },

 /**
   * 生命周期函数--监听页面显示
 */
  onShow: function () {
    flag_hd = true;    //重新进入页面之后,可以再次执行滑动切换页面代码
    clearInterval(interval); // 清除setInterval
    time = 0;
    let that = this;
    wx.getSystemInfo({
      success: function (res) {
        animationShowHeight = res.windowHeight;
      }
    })
  },

 /**
   * 生命周期函数--监听页面隐藏
 */
  onHide: function () {

  },

 /**
   * 生命周期函数--监听页面卸载
 */
  onUnload: function () {

  },

 /**
   * 页面相关事件处理函数--监听用户下拉动作
 */
  onPullDownRefresh: function () {

  },

 /**
   * 页面上拉触底事件的处理函数
 */
  onReachBottom: function () {

  },

 /**
   * 用户点击右上角分享
 */
  onShareAppMessage: function () {

  },

})

 

train.wxss

page {
  background-color: #fff;
}

/* -----------------评分遮罩层----------------- */

/* 分享按钮 */

.share_btn::after {
  border: none;
}

/* 整个评分遮罩层 */

.buydes-dialog-container {
  width: 100%;
  height: 300rpx;
  justify-content: space-between;
  background-color: #fff;
  position: fixed;
  bottom: 101rpx;
 /* z-index: 998;   */
  border-top: 1rpx solid #e8e8e8;
}

/* 评分遮罩层顶部 */

.buydes-dialog-container-top {
  height: 100rpx;
  padding-top: 20rpx;
  display: flex;
  justify-content: center;
  flex-grow: 1;
  font-size: 32rpx;
  color: #737373;
}

/* 评分遮罩层底部 */

.buydes-dialog-container-bottom {
  height: 150rpx;
  padding-top: 20rpx;
  background-color: #fff;
  display: flex;
  justify-content: center;
  flex-grow: 0;
}

/* 空心的星星图片 */

.star-image {
  position: absolute;
  top: 100rpx;
  width: 60rpx;
  height: 60rpx;
  src: "../../images/score.png";
}

/* 触发评分点击的区域 */

.item {
  position: absolute;
  top: 0rpx;
  width: 60rpx;
  height: 60rpx;
}

/* 确认评分按钮 */

.mark_btn {
  width: 100%;
  height: 100rpx;
  background-color: #fff;
  color: #55c5ac;
  display: flex;
  justify-content: center;
  align-items: center;
  border-top: 1rpx solid #eaeaea;
  margin-top: 60rpx;
  margin-bottom: 150rpx;
  font-size: 32rpx;
}

/* 透明遮罩层(上) */

.touming_top {
  width: 100%;
  height: 900rpx;
  opacity: 0;
  position: fixed;
  bottom: 402rpx;
  z-index: 998;
}

/* 透明遮罩层(下) */

.touming {
  width: 100%;
  height: 101rpx;
  opacity: 0;
  position: fixed;
  bottom: 0rpx;
  z-index: 998;
}


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