Javascript 将来自axios get的数据用作另一个Vue文件的道具
我有一些代码将计算机的ip地址解析为lat/long,如下所示 ip_resolve.vueJavascript 将来自axios get的数据用作另一个Vue文件的道具,javascript,vue.js,axios,Javascript,Vue.js,Axios,我有一些代码将计算机的ip地址解析为lat/long,如下所示 ip_resolve.vue <script> const axios = require('axios').default; const ipRegex = /ip=(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})$/gmi export default { name: 'ip', props: { ip: String, lat: String, long: Stri
<script>
const axios = require('axios').default;
const ipRegex = /ip=(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})$/gmi
export default {
name: 'ip',
props: {
ip: String,
lat: String,
long: String
},
mounted () {
axios.get('https://www.cloudflare.com/cdn-cgi/trace')
.then(response => (
this.ip = ipRegex.exec(response.data)[1]
)
.then(
axios.get('https://cors-anywhere.herokuapp.com/http://api.ipstack.com/'+this.ip+'?access_key=<key>')
.then( response => (
this.lat = response.data.latitude,
this.long = response.data.longitude
)
)
)
)
}
}
</script>
const axios=require('axios')。默认值;
常量ipRegex=/ip=(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})$/gmi
导出默认值{
名称:“ip”,
道具:{
ip:字符串,
拉特:弦,
长:字符串
},
挂载(){
axios.get()https://www.cloudflare.com/cdn-cgi/trace')
。然后(响应=>(
this.ip=ipRegex.exec(response.data)[1]
)
.那么(
axios.get()https://cors-anywhere.herokuapp.com/http://api.ipstack.com/“+this.ip+”?访问密钥=”)
。然后(响应=>(
this.lat=response.data.latitude,
this.long=response.data.longitude
)
)
)
)
}
}
我想将lat/long“返回”到App.Vue,在那里它会将lat/long作为道具传递给“Weather.js”
App.Vue
<template>
<div id="app">
<img alt="Vue logo" src="./assets/logo.png">
<ip></ip>
<Weather lat={{lat}} long={{long}} />
</div>
</template>
<script>
import Weather from './components/Weather.vue'
import ip from './components/ip_resolve.vue'
export default {
name: 'App',
components: {
Weather,
ip
}
}
</script>
从“./components/Weather.vue”导入天气
从“./components/ip_resolve.vue”导入ip
导出默认值{
名称:“应用程序”,
组成部分:{
天气,
知识产权
}
}
我读过一些关于$emit的书,但是我不熟悉设计范例,也不知道如何实现它。有人能给我一些最佳实践吗
谢谢,在您的
ip_解析中。vue
从axios获取数据后,使用此选项发出事件:
this.$emit('response'{
lat:response.data.latitude,
long:response.data.longitude
}
然后在你的App.vue
中:
以及App.vue
中的
内部:
导出默认值{
名称:“应用程序”,
数据(){
返回{
纬度:0,
长:0
}
},
组成部分:{
天气,
知识产权
},
方法:{
onResponse($event){
this.lat=$event.lat
this.long=$event.long
}
}
}
你就快到了
这是如何在ip组件上发出数据的:
<script>
const axios = require('axios').default;
const ipRegex = /ip=(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})$/gmi
export default {
name: 'ip',
props : {
ip: String
},
mounted () {
axios.get('https://www.cloudflare.com/cdn-cgi/trace')
.then(function(response) {
this.ip = ipRegex.exec(response.data)[1]
return axios.get('https://cors-anywhere.herokuapp.com/http://api.ipstack.com/'+this.ip+'?access_key=<key>')
})
.then(function(response) {
this.$emit('change', {
lat : response.data.latitude,
long : response.data.longitude
})
})
}
}
</script>
<template>
<div id="app">
<img alt="Vue logo" src="./assets/logo.png">
<ip @update="updateCoords"></ip>
<weather :lat="lat" :long="long" />
</div>
</template>
<script>
import Weather from './components/Weather.vue'
import ip from './components/ip_resolve.vue'
export default {
name: 'App',
components: {
Weather,
ip
},
data : () => ({
lat : null,
long : null,
}),
methods : {
updateCoords (coords) {
this.lat = coords.lat
this.long = coords.long
}
}
}
</script>
const axios=require('axios')。默认值;
常量ipRegex=/ip=(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})$/gmi
导出默认值{
名称:“ip”,
道具:{
ip:字符串
},
挂载(){
axios.get()https://www.cloudflare.com/cdn-cgi/trace')
.然后(功能(响应){
this.ip=ipRegex.exec(response.data)[1]
返回axios.get('https://cors-anywhere.herokuapp.com/http://api.ipstack.com/“+this.ip+”?访问密钥=”)
})
.然后(功能(响应){
此.$emit('change'{
lat:response.data.latitude,
long:response.data.longitude
})
})
}
}
然后是如何接收并将其推送到天气组件:
<script>
const axios = require('axios').default;
const ipRegex = /ip=(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})$/gmi
export default {
name: 'ip',
props : {
ip: String
},
mounted () {
axios.get('https://www.cloudflare.com/cdn-cgi/trace')
.then(function(response) {
this.ip = ipRegex.exec(response.data)[1]
return axios.get('https://cors-anywhere.herokuapp.com/http://api.ipstack.com/'+this.ip+'?access_key=<key>')
})
.then(function(response) {
this.$emit('change', {
lat : response.data.latitude,
long : response.data.longitude
})
})
}
}
</script>
<template>
<div id="app">
<img alt="Vue logo" src="./assets/logo.png">
<ip @update="updateCoords"></ip>
<weather :lat="lat" :long="long" />
</div>
</template>
<script>
import Weather from './components/Weather.vue'
import ip from './components/ip_resolve.vue'
export default {
name: 'App',
components: {
Weather,
ip
},
data : () => ({
lat : null,
long : null,
}),
methods : {
updateCoords (coords) {
this.lat = coords.lat
this.long = coords.long
}
}
}
</script>
从“./components/Weather.vue”导入天气
从“./components/ip_resolve.vue”导入ip
导出默认值{
名称:“应用程序”,
组成部分:{
天气,
知识产权
},
数据:()=>({
lat:null,
long:null,
}),
方法:{
更新单词(coords){
this.lat=coords.lat
this.long=coords.long
}
}
}
你不在App.vue中安装/axios有什么原因吗?这会简化事情。如果你在ip和天气组件中都需要,你可以通过道具将值传递给ip和天气组件。