前端Vue自定义简单实用中国省市区三级联动选择器， 请访问uni-app插件市场地址：https://ext.dcloud.net.cn/plugin?id=13118
效果图如下：
#### 使用方法
```使用方法
<!-- themeColor:主题颜色 ref:设置唯一ref pickerValueDefault:默认选择 @onCancel:取消事件 @onConfirm:确认事件 -->
<cc-city-picker :themeColor="themeColor" ref="mpvueCityPicker" :pickerValueDefault="cityPickerValueDefault"
@onCancel="onCancel" @onConfirm="onConfirm"></cc-city-picker>
```
#### HTML代码实现部分
```html
<template>
<view class="content">
<form @submit="formSubmit" @reset="formReset">
<!-- leftTitle:左边标题 name：输入框名字 value：输入框选择值 placeholder：占位符 @click：点击事件-->
<ccInputSelView leftTitle="收获地址" name="location" :value="pickerText" placeholder="请选择位置"
@click="showMulLinkageThreePicker"></ccInputSelView>
<ccInputView leftTitle="详细地址" name="address" :value="address" placeholder="请输入详细地址">
</ccInputView>
<!-- themeColor:主题颜色 ref:设置唯一ref pickerValueDefault:默认选择 @onCancel:取消事件 @onConfirm:确认事件 -->
<cc-city-picker :themeColor="themeColor" ref="mpvueCityPicker" :pickerValueDefault="cityPickerValueDefault"
@onCancel="onCancel" @onConfirm="onConfirm"></cc-city-picker>
<view class="uni-btn-v">
<button class="botBtn" type="primary" form-type="submit">下一步</button>
<view class="tipText"> 注意事项: 请确保您填写的房屋信息真实无误 </view>
</view>
</form>
</view>
</template>
<script>
import ccInputSelView from '../../components/cc-inputSelView/ccInputSelView.vue'
import ccInputView from '../../components/cc-inputSelView/ccInputView.vue'
export default {
components: {
ccInputSelView,
ccInputView
},
data() {
return {
cityPickerValueDefault: [0, 0, 1],
themeColor: '#0BBBEF',
pickerText: '',
address: ''
}
},
methods: {
// 三级联动选择
showMulLinkageThreePicker() {
this.$refs.mpvueCityPicker.show()
},
onConfirm(e) {
this.pickerText = e.label
},
onCancel(e) {
console.log(e)
},
formSubmit: function(e) {
console.log('form发生了submit事件，携带数据为：' + JSON.stringify(e));
var formdata = e.detail.value;
uni.showModal({
title: '温馨提示',
content: 'formsubmit事件携带数据为：' + JSON.stringify(e.detail.value)
})
},
}
}
</script>
<style>
.content {
display: flex;
flex-direction: column;
}
.uni-btn-v {
width: 100%;
height: auto;
}
.botBtn {
width: 90%;
margin-top: 36px;
}
.tipText {
width: 100%;
margin-left: 0px;
text-align: center;
color: #666666;
margin-top: 36px;
margin-bottom: 36px;
font-size: 28rpx;
}
</style>
```
