微信小程序自定义对话框弹出和隐藏动画

Z时代
2024-01-10
分类：综合

本文实例为大家分享了微信小程序自定义对话框弹出和隐藏动画的具体代码，供大家参考，具体内容如下

index.js


//index.js
var app = getApp();
let animationShowHeight = 300;
Page({
 data:{
 animationData:"",
 showModalStatus:false,
 imageHeight:0,
 imageWidth:0
 },
 imageLoad: function (e) { 
 this.setData({imageHeight:e.detail.height,imageWidth:e.detail.width}); 
 },
 showModal: function () {
 // 显示遮罩层
 var animation = wx.createAnimation({
  duration: 200,
  timingFunction: "linear",
  delay: 0
 })
 this.animation = animation
 animation.translateY(animationShowHeight).step()
 this.setData({
  animationData: animation.export(),
  showModalStatus: true
 })
 setTimeout(function () {
  animation.translateY(0).step()
  this.setData({
  animationData: animation.export()
  })
 }.bind(this), 200)
 },
 hideModal: function () {
 // 隐藏遮罩层
 var animation = wx.createAnimation({
  duration: 200,
  timingFunction: "linear",
  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)
 },
 onShow:function(){
  let that = this;
  wx.getSystemInfo({
  success: function(res) {
  animationShowHeight = res.windowHeight;
  }
 })
 },
})

index.wxml


<!--index.wxml-->
<view class="container-column">
 <view animation="{{animationData}}" class="container-column buydes-dialog-container" wx:if="{{showModalStatus}}">
 <view class="buydes-dialog-container-top" bindtap="hideModal"></view>
 <view class="container-column buydes-dialog-container-bottom">
  <block wx:for="{{['操作1','操作2','操作3','取消']}}" wx:for-index="index" wx:key="key" wx:for-item="item">
  <view bindtap="hideModal" class="buydes-dialog-container-bottom-item" >{{item}}</view>
  </block>
 </view>
 </view>
 <image bindtap="showModal" bindload="imageLoad" style="width:{{imageWidth}}px;;height:{{imageHeight}}px;" src="../pro1.jpg"/>
</view>

index.wxss


.buydes-dialog-container{
 width: 100%;
 height: 100%;
 justify-content: space-between;
 background-color:rgba(15, 15, 26, 0.7);
 position: fixed;
 z-index: 999;
}
.buydes-dialog-container-top{
 flex-grow: 1;
}
.buydes-dialog-container-bottom{
 display: flex;
 flex-grow: 0;
}
.buydes-dialog-container-bottom-item{
 padding:24rpx;
 display: flex;
 justify-content: center;
 border-bottom: 1rpx solid #eeeeee;
}