⼩程序实现底部弹出模态框
本⽂实例为⼤家分享了⼩程序实现底部弹出模态框的具体代码，供⼤家参考，具体内容如下
代码：
<view class="modals modals-bottom-dialog" hidden="{{hideModal}}" >
<view class="modals-cancel" bindtap="hideModal"></view>
<view class="bottom-dialog-body bottom-pos" animation="{{animationData}}">
<view class="comment_top">
<view></view>
<view class="comment_num">{{comment.length}}条评论</view>
<view class="comment_close" bindtap="hideModal">×</view>
</view>
<view class="comment_list">
<view class="comment_li" wx:for="{{comment}}" wx:key="{{index}}">
<image class="comment_li_img" src="{{item.headpic}}"></image>
<view class="comment_li_info">
<view class="comment_li_name">{{item.nickname}}</view>
<view class="comment_li_content">{{}}
<text class="comment_li_date">9-24</text>
</view>
</view>
</view>
</view>
<view class="comment_inputbox">
<input class="comment_input" maxlength="120" adjust-position value="{{commentform}}" bindinput=
"commentinput" placeholder="有何⾼见，讲来听听"></input>  <view class="comment_sendbtn" bindtap="sendcomment">发送</view>
</view>
</view>
</view>
CSS:
/* 评论 */
/*模态框*/
.modals{
position:fixed;
z-index: 100000;
top:0;
left: 0;
right:0;
bottom: 0;
}
.modals-cancel{
position:absolute;
z-index:1000;
top:0;
left: 0;
right:0;
bottom: 0;
/
* background-color: rgba(0,0,0,.5); */ }
.bottom-dialog-body{
width: 99%;
margin: 0 auto;
position:absolute;
z-index:10001;
bottom:0;
left:0;
right:0;
height:65%;
background-color: #fff;
border-top-left-radius: 10rpx;
border-top-right-radius: 10rpx;
overflow: hidden;
display: flex;
flex-direction: column;
}
/*动画前初始位置*/
.bottom-pos{
-webkit-transform:translateY(100%); transform:translateY(100%);
}
ment_top{
width: 100%;
display: flex;
justify-content: space-between;
align-items: center;
border-bottom: 1rpx solid #f2f2f2;
padding: 10rpx 24rpx;
box-sizing: border-box;
}
ment_num{
font-size: 30rpx;
}
.
comment_close{
font-size: 62rpx;
line-height: 50rpx;
}
ment_list{
flex: 1;
overflow: hidden;
}
ment_li{
display: flex;
padding: 10rpx 24rpx;
box-sizing: border-box;
}
ment_li_img{
width: 40rpx;
height: 40rpx;
border-radius: 50%;
margin-right: 16rpx;
}
ment_li_info{
flex: 1;
}
.
comment_li_name{
font-size: 30rpx;
}
ment_li_content{
font-size: 28rpx;
}
ment_li_date{
color: #999;
font-size: 24rpx;
margin-left: 20rpx;
}
.
comment_inputbox{
display: flex;
padding: 20rpx 24rpx;
box-sizing: border-box;
align-items: center;
justify-content: space-between;
border-top: 1rpx solid #f2f2f2;
}
ment_input{
font-size: 30rpx;
flex: 1;
}
ment_sendbtn{
font-size: 30rpx;
background: #dd5923;
color: #fff;
padding: 5rpx 18rpx;
border-radius: 10rpx;
}
js:
Page({
data: {
hideModal: true, //模态框的状态 true-隐藏 false-显⽰
animationData: {},
},
// 显⽰遮罩层
showModal: function () {
var that = this;
that.setData({
hideModal: false
})
var animation = wx.createAnimation({
duration: 600,//动画的持续时间默认400ms 数值越⼤，动画越慢数值越⼩，动画越快
timingFunction: 'ease',//动画的效果默认值是linear
})
this.animation = animation
setTimeout(function () {
that.fadeIn();//调⽤显⽰动画
borderbox}, 200)
},
// 隐藏遮罩层
hideModal: function () {
var that = this;
var animation = wx.createAnimation({
duration: 800,//动画的持续时间默认400ms 数值越⼤，动画越慢数值越⼩，动画越快
timingFunction: 'ease',//动画的效果默认值是linear
})
this.animation = animation
that.fadeDown();//调⽤隐藏动画
setTimeout(function () {
that.setData({
hideModal: true
})
}, 720)//先执⾏下滑动画，再隐藏模块
},
/
/动画集
fadeIn: function () {
anslateY(0).step()
this.setData({
animationData: port()//动画实例的export⽅法导出动画数据传递给组件的animation属性 })
},
fadeDown: function () {
anslateY(300).step()
this.setData({
animationData: port(),
})
},
})
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