小程序底部划入滑出效果
直接复制就能用
wxml
<view bindtap="showModal">点这里</view> <view class="wrap"> <view class="modal modal-bottom-dialog" hidden="{{hideFlag}}"> <view class="modal-cancel" bindtap="hideModal"></view> <view class="bottom-dialog-body bottom-positon" animation="{{animationData}}"> <!-- 滑块儿区 --> <view class='huakuai'></view> </view> </view> </view>
wxss
/*模态框*/ .modal{position:fixed; top:0; right:0; bottom:0; left:0; z-index:1000;} .modal-cancel{position:absolute; z-index:2000; top:0; right:0; bottom: 0; left:0; background:rgba(0,0,0,0.3);} .bottom-dialog-body{width:100%; position:absolute; z-index:3000; bottom:0; left:0;background:#dfdede;} /*动画前初始位置*/ .bottom-positon{-webkit-transform:translateY(100%);transform:translateY(100%);} /* 底部弹出框 */ .bottom-positon{ text-align: center; } .huakuai{ margin-bottom: 20rpx; height:574rpx; width:100%; padding-top:50rpx; background:#fff; }
wx.js
data: {
hideFlag: true,//true-隐藏 false-显示
// animationData: {},
},
// 显示遮罩层 底部滑动
showModal: function () {
var that = this;
that.setData({
hideFlag: false
})
// 创建动画实例
var animation = wx.createAnimation({
duration: 400,//动画的持续时间
timingFunction: 'ease',//动画的效果 默认值是linear->匀速,ease->动画以低速开始,然后加快,在结束前变慢
})
this.animation = animation; //将animation变量赋值给当前动画
var time1 = setTimeout(function () {
that.slideIn();//调用动画--滑入
clearTimeout(time1);
time1 = null;
}, 100)
},
// 隐藏遮罩层
hideModal: function () {
var that = this;
var animation = wx.createAnimation({
duration: 400,//动画的持续时间 默认400ms
timingFunction: 'ease',//动画的效果 默认值是linear
})
this.animation = animation
that.slideDown();//调用动画--滑出
var time1 = setTimeout(function () {
that.setData({
hideFlag: true
})
clearTimeout(time1);
time1 = null;
}, 220)//先执行下滑动画,再隐藏模块
},
//动画 -- 滑入
slideIn: function () {
this.animation.translateY(0).step() // 在y轴偏移,然后用step()完成一个动画
this.setData({
//动画实例的export方法导出动画数据传递给组件的animation属性
animationData: this.animation.export()
})
},
//动画 -- 滑出
slideDown: function () {
this.animation.translateY(300).step()
this.setData({
animationData: this.animation.export(),
})
}