/**
 * 自定义modal浮层
 * 使用方法：
 * <modal show="{{showModal}}" height='80%' onCancel="modalCancel" onSubmit='modalSubmit'>
 <view>你自己需要展示的内容</view>
 </modal>
 
 属性说明：
 show： 控制modal显示与隐藏
 height：modal的高度
 onCancel：点击取消按钮的回调函数
 onSubmit：点击确定按钮的回调函数
 
 */
 
 Component({
 
 /**
 * 组件的属性列表
 */
 props: {
 // modal的默认高度
 height: '60%',
 
 //是否显示modal
 show: false,
 
 // submit()
 onSubmit:(data) => console.log(data),
 
 // onCancel()
 onCancel:(data) => console.log(data),
 },
 
 /**
 * 组件的初始数据
 */
 data: {
 
 },
 
 /**
 * 组件的方法列表
 */
 methods: {
 clickMask() {
 // this.setData({show: false})
 },
 
 cancel(e) {
 // this.setData({ show: false });
 this.props.onCancel(e);
 },
 
 submit(e) {
 // this.setData({ show: false });
 this.props.onSubmit(e);
 }
 }
 })

 {
 "component": true,
 "usingComponents": {}
 }

.mask{
 position: absolute;
 top: 0;
 bottom: 0;
 width: 100%;
 height: 100%;
 display: flex;
 justify-content: center;
 align-items: center;
 background-color: rgba(0,0,0,0.4);
 z-index: 9999;
}

.modal-content{
 flex-direction: column;
 width: 90%;
 /* height: 80%; */
 position: fixed;
 top: 10%;
 left: 5%;
 background-color: #fff;
 border-radius: 10rpx;
}

.modal-btn-wrapper{
 display: flex;
 flex-direction: row;
 height: 100rpx;
 line-height: 100rpx;
 background-color: #fff;
 border-radius: 10rpx;
 border-top: 2rpx solid rgba(7,17,27,0.1);
}

.cancel-btn, .confirm-btn{
 flex: 1;
 height: 100rpx;
 line-height: 100rpx;
 text-align: center;
 font-size: 32rpx;
}

.cancel-btn{
 border-right: 2rpx solid rgba(7,17,27,0.1);
}

.main-content{
 flex: 1;
 height: 100%;
 overflow-y: hidden; 
}

<view class='mask' a:if='{{show}}' onTap='clickMask'>
 <view class='modal-content' style='height:{{height}}'>
 <scroll-view scroll-y class='main-content'>
 <slot></slot>
 </scroll-view>
 <view class='modal-btn-wrapper'>
 <view class='cancel-btn' style='color:rgba(7,17,27,0.6)' onTap='cancel'>取消</view>
 <view class='confirm-btn' style='color:#13b5f5' onTap='submit'>确定</view>
 </view>
 </view>
</view>

{
 "usingComponents": {
 "modal": "/page/components/modal/modal"
 }
}

<modal show="{{showSearchModal}}" height='80%' onCancel="searchModalCancel" onSubmit='searchModalSubmit'>
 <view>你自己的布局</view>
</modal>

let app = getApp();
Page({
 data: {
 showSearchModal: false,
 },
 
 onLoad() {
 },

 searchModalCancel(){
 this.setData({
 showSearchModal: false,
 });
 dd.alert({
 title: '提示',
 content: '用户点击了取消',
 });
 },

 searchModalSubmit(){
 this.setData({
 showSearchModal: false,
 });
 dd.alert({
 title: '提示',
 content: '用户点击了提交',
 buttonText: '我知道了',
 });
 },
});