随着技术的发展，开发的复杂度也越来越高，传统开发方式将一个系统做成了整块应用，经常出现的情况就是一个小小的改动或者一个小功能的增加可能会引起整体逻辑的修改，造成牵一发而动全身。
通过组件化开发，可以有效实现单独开发，单独维护，而且他们之间可以随意的进行组合。大大提升开发效率低，降低维护成本。
今天给大家介绍的一款组件仿美团右侧侧边栏弹框筛选框popup alert；附源码下载地址：https://ext.dcloud.net.cn/plugin?id=13602
效果图如下：
实现代码如下：
# cc-selectCity
#### 使用方法
```使用方法
<!-- 省市区选择 show:是否显示 @sureSelectArea：确认事件 @hideShow：隐藏事件-->
<cc-selectCity :show="show" @sureSelectArea="onsetCity" @hideShow="onhideShow"></cc-selectCity>
<!-- 事件处理 -->
openPicker() {
console.log('执行打开地址选择器')
this.show = true
},
onhideShow() {
this.show = false
console.log('执行了关闭地址选择器')
},
//选中省市区
onsetCity(e) {
let data = e.detail.target.dataset;
let address = data.province + data.city + data.area;
this.show = false
this.addressData.address = address
}
```
#### HTML代码实现部分
```html
<template>
<view>
<view class="editaddress">
<view class="content">
<view class="row">
<view class="nominal">收货人</view>
<view class="input"><input placeholder="请输入收货人姓名" v-model="addressData.name" type="text" />
</view>
</view>
<view class="row">
<view class="nominal">电话号码</view>
<view class="input"><input placeholder="请输入收货人电话号码" v-model="addressData.phone" type="number"
maxlength="11" /></view>
</view>
<view class="row">
<view class="nominal">所在地区</view>
<view class="input selectcity" @tap="openPicker">
<input placeholder="请选择省市区" disabled type="text" v-model="addressData.address" />
<image src="/static/images/home/right.png" class="rights"></image>
</view>
</view>
<view class="row">
<view class="nominal">详细地址</view>
<view class="input"><textarea style="font-size: 28upx;" v-model="addressData.moreAddres"
auto-height="true" placeholder="输入详细地址" v-if="show == false"></textarea></view>
</view>
<view class="row">
<view class="nominal" style="color: 666;margin-top: 10upx;">设为默认地址</view>
<view class="input switch">
<switch :color="colors" style="transform:scale(0.8)" @change="switchChange"
:checked="addressData.isdefult == 1"></switch>
</view>
</view>
</view>
<view class="save">
<view class="btn" :style="'background:' + colors">保存地址</view>
</view>
<!-- 省市区选择 show:是否显示 @sureSelectArea：确认事件 @hideShow：隐藏事件-->
<cc-selectCity :show="show" @sureSelectArea="onsetCity" @hideShow="onhideShow"></cc-selectCity>
</view>
</view>
</template>
<script>
export default {
data() {
return {
colors: '#f37b1d',
show: false,
addressData: {
name: '',
phone: '',
address: '',
moreAddres: '',
isdefult: 0
},
isShow: true
};
},
methods: {
openPicker() {
console.log('执行打开地址选择器')
this.show = true
},
onhideShow() {
this.show = false
console.log('执行了关闭地址选择器')
},
//选中省市区
onsetCity(e) {
let data = e.detail.target.dataset;
let address = data.province + data.city + data.area;
this.show = false
this.addressData.address = address
},
//
switchChange(e) {
}
}
};
</script>
<style lang="scss" scoped>
.save {
position: fixed;
bottom: 0;
width: 100%;
height: 120upx;
display: flex;
justify-content: center;
align-items: center;
}
.save view {
display: flex;
}
.save .btn {
box-shadow: 0upx 5upx 10upx rgba(0, 0, 0, 0.4);
width: 70%;
height: 80upx;
border-radius: 80upx;
background-color: #f23a3a;
color: #fff;
justify-content: center;
align-items: center;
font-size: 30upx;
margin-bottom: 60px;
}
.save .btn .icon {
height: 80upx;
color: #fff;
font-size: 30upx;
justify-content: center;
align-items: center;
}
.content {
display: flex;
flex-wrap: wrap;
margin-top: 40upx;
}
.content view {
display: flex;
}
.content .row {
width: 92%;
margin: 0 4%;
border-bottom: solid 1upx #eee;
}
.content .row .nominal {
width: 30%;
height: 80upx;
font-size: 28upx;
font-family: Droid Sans Fallback;
font-weight: 400;
color: rgba(51, 51, 51, 1);
align-items: center;
}
.content .row .input {
width: 70%;
padding: 20upx 0;
align-items: center;
font-size: 28upx;
}
.content .row .input input {
font-size: 28upx;
color: #333333;
}
.content .row .switch {
justify-content: flex-end;
}
.content .row .input textarea {
min-height: 40upx;
line-height: 40upx;
}
.content .del_box {
width: 100%;
display: block;
overflow: hidden;
margin-right: 30upx;
}
.content .del {
width: 240upx;
height: 80upx;
float: right;
justify-content: center;
align-items: center;
font-size: 28upx;
color: #F23A3A;
margin: 0 auto;
margin-top: 50upx;
border-radius: 38upx;
background-color: rgba(255, 0, 0, 0.05);
border-bottom: solid 1upx #eee;
}
.selectcity input {
width: 90%;
}
.selectcity image {
width: 40upx;
height: 40upx;
float: right;
}
</style>
```
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