小程序开发之模态框组件封装

{
 "navigationBarTitleText": "XXXX",
 "usingComponents": {
 "print-popups": "/components/popups/popups"
 }
}

<view>
 <print-popups ifOpen='{{modelStatus}}' bind:ifClose='closeModel'>
 <view slot='popups_main' class='popups_main'>
 <view class='popups_item'>添加新设备</view>
 <view class='popups_item print_name'>
 <input class='print_input' value='设备1' auto-focus />
 <view class='print_tip'>（点击设备可编辑）</view>
 </view>
 <view class='popups_item print_id'>
 <input placeholder="请输入新添设备ID" />
 <view class='print_id_check'>可用</view>
 </view>
 <button class='popups_item print_btn' type='primary' size='mini'>添加</button>
 </view>
 </print-popups> 
</view>

Page({
 /**
 * 页面的初始数据
 */
 data: {
 modelStatus: false
 },
 /**
 * 点击按钮打开模态框
 */
 openModel () {
 const modelStatus = !this.modelStatus
 this.setData({ modelStatus})
 },
 /**
 * 子组件触发的事件
 */ 
 closeModel (event) {
 console.log(event.detail.value)
 this.setData({
 modelStatus: event.detail.value
 })
 }
})

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

<!--components/popups/popups.wxml-->
<view wx:if="{{ifOpen}}">
 <view class='popups_shade' bindtap='popupsClose'></view>
 <view class='popups_content'>
 <image src='./images/close.png' class='popups_close' bindtap='popupsClose'></image>
 <slot name='popups_main'/>
 </view>
</view>

/* components/popups/popups.wxss */
/* 遮罩 */
.popups_shade {
 width: 100%;
 height: 100%;
 position: fixed;
 top: 0;
 left: 0;
 z-index: 1000;
 background: #000;
 opacity: 0.7;
 overflow: hidden;
}
/* 弹出层内容 */
.popups_content {
 width: 500rpx;
 height: 350rpx;
 overflow: hidden;
 position: fixed;
 top: 0px;
 left: 0px;
 bottom: 0px;
 right: 0px;
 margin: auto;
 z-index: 1001;
 background: #FAFAFA;
 border-radius: 5px;
}
.popups_close {
 width: 30rpx;
 height: 30rpx;
 position: absolute;
 right: 3px;
 top: 3px;
}

// components/popups/popups.js
Component({
 options: {
 multipleSlots: true
 },
 /**
 * 组件的属性列表
 */
 properties: {
 ifOpen: Boolean
 },

 /**
 * 组件的初始数据
 */
 data: {
 
 },

 /**
 * 父子组件通信
 * 组件的方法列表
 */
 methods: {
 popupsClose () {
 console.log('关闭弹出层' + this.properties.ifOpen)
 this.triggerEvent('ifClose', { value: !this.properties.ifOpen})
 }
 }
})