微信小程序获取省市县的具体方法
时间: 2024-01-13 17:02:31 浏览: 210
获取省市县的具体方法如下:
1. 在小程序中引入wx-server-sdk模块
```javascript
const cloud = require('wx-server-sdk')
cloud.init()
```
2. 创建云函数,通过调用第三方API获取省市县数据
```javascript
exports.main = async (event, context) => {
const res = await cloud.callFunction({
name: 'http',
data: {
url: 'http://www.xxx.com/api/getRegion',
method: 'GET'
}
})
const { code, data } = JSON.parse(res.result)
if (code === 200) {
return data
} else {
throw new Error('获取省市县数据失败')
}
}
```
3. 在小程序页面中调用云函数获取省市县数据
```javascript
wx.cloud.callFunction({
name: 'getRegion',
success: res => {
console.log(res.result)
},
fail: err => {
console.error(err)
}
})
```
4. 解析省市县数据,渲染省市县下拉选择器
```javascript
const provinces = []
const cities = {}
const counties = {}
data.forEach(region => {
if (region.level === 1) {
provinces.push(region)
} else if (region.level === 2) {
if (!cities[region.parentCode]) {
cities[region.parentCode] = []
}
cities[region.parentCode].push(region)
} else if (region.level === 3) {
if (!counties[region.parentCode]) {
counties[region.parentCode] = []
}
counties[region.parentCode].push(region)
}
})
this.setData({
provinces,
cities,
counties
})
```
以上就是获取省市县的具体方法。需要注意的是,调用第三方API获取省市县数据时需要保证网络通畅,且API返回的数据格式必须是JSON格式。
阅读全文
相关推荐


















