Javascript 如何使用纬度和经度设置新位置的地图视图
我无法设置输入IP地址的地图视图,而标记可以移动到给定输入IP地址地图上的新位置。地图似乎停留在初始位置,而标记移动到新位置Javascript 如何使用纬度和经度设置新位置的地图视图,javascript,reactjs,api,restapi,react-leaflet,Javascript,Reactjs,Api,Restapi,React Leaflet,我无法设置输入IP地址的地图视图,而标记可以移动到给定输入IP地址地图上的新位置。地图似乎停留在初始位置,而标记移动到新位置 import React, { useEffect, useState} from "react"; import Result from "../src/Components/Result"; import {MapContainer, TileLayer, Marker, Popup } from 'react-leaflet'
import React, { useEffect, useState} from "react";
import Result from "../src/Components/Result";
import {MapContainer, TileLayer, Marker, Popup } from 'react-leaflet';
function App() {
const APP_KEY = PERSONAL_KEY;
const [IPdata, SetIPData] = useState([]);
const [search, setSearch] = useState("");
const [query, setQuery] = useState("8.8.8.8");
const [loaded, setLoaded] = useState(false);
useEffect(() => {
getIp();
setLoaded(true);
}, [query]);
async function getIp() {
const response = await fetch(`https://geo.ipify.org/api/v1?apiKey=${APP_KEY}&ipAddress=${query}`);
const data = await response.json();
console.log(data);
SetIPData(data)
}
function handleChange(event) {
setSearch(event.target.value);
console.log(event.target.value);
}
function handleSubmit(event) {
event.preventDefault();
setQuery(search);
setSearch('');
}
return (
loaded ? (
<div>
<div className="container">
<div className="input-section">
<h1 className="header"> IP Address Tracker</h1>
<form onSubmit={handleSubmit} className="search-form">
<input className="search-input" type="text" placeholder="Search for any IP address or domain" onChange={handleChange} />
<button className="search-button" type="submit"> Go! </button>
</form>
</div>
<div className="result-container">
<Result
heading={"IP Address"}
searchResult={IPdata.ip}
/>
<Result
heading={"Location"}
searchResult={IPdata?.location?.country}
/>
<Result
heading={"Timezone"}
searchResult={"UTC" + IPdata?.location?.timezone}
/>
<Result
heading={"ISP"}
searchResult={IPdata.isp}
/>
</div>
</div>
{IPdata.location && (
<MapContainer
center={[IPdata.location?.lat, IPdata.location?.lng]}
zoom={13}
scrollWheelZoom={true}
>
<TileLayer
attribution='© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
/>
<Marker position={[IPdata?.location?.lat, IPdata?.location?.lng]}>
<Popup>Your IP Location</Popup>
</Marker>
</MapContainer>
)
}
</div>) : <p>Loading...</p>
)
}
export default App;
因此,当我在input中键入一个新的IP地址时,它应该将映射更改为一个新位置
import React, { useEffect, useState} from "react";
import Result from "../src/Components/Result";
import {MapContainer, TileLayer, Marker, Popup } from 'react-leaflet';
function App() {
const APP_KEY = PERSONAL_KEY;
const [IPdata, SetIPData] = useState([]);
const [search, setSearch] = useState("");
const [query, setQuery] = useState("8.8.8.8");
const [loaded, setLoaded] = useState(false);
useEffect(() => {
getIp();
setLoaded(true);
}, [query]);
async function getIp() {
const response = await fetch(`https://geo.ipify.org/api/v1?apiKey=${APP_KEY}&ipAddress=${query}`);
const data = await response.json();
console.log(data);
SetIPData(data)
}
function handleChange(event) {
setSearch(event.target.value);
console.log(event.target.value);
}
function handleSubmit(event) {
event.preventDefault();
setQuery(search);
setSearch('');
}
return (
loaded ? (
<div>
<div className="container">
<div className="input-section">
<h1 className="header"> IP Address Tracker</h1>
<form onSubmit={handleSubmit} className="search-form">
<input className="search-input" type="text" placeholder="Search for any IP address or domain" onChange={handleChange} />
<button className="search-button" type="submit"> Go! </button>
</form>
</div>
<div className="result-container">
<Result
heading={"IP Address"}
searchResult={IPdata.ip}
/>
<Result
heading={"Location"}
searchResult={IPdata?.location?.country}
/>
<Result
heading={"Timezone"}
searchResult={"UTC" + IPdata?.location?.timezone}
/>
<Result
heading={"ISP"}
searchResult={IPdata.isp}
/>
</div>
</div>
{IPdata.location && (
<MapContainer
center={[IPdata.location?.lat, IPdata.location?.lng]}
zoom={13}
scrollWheelZoom={true}
>
<TileLayer
attribution='© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
/>
<Marker position={[IPdata?.location?.lat, IPdata?.location?.lng]}>
<Popup>Your IP Location</Popup>
</Marker>
</MapContainer>
)
}
</div>) : <p>Loading...</p>
)
}
export default App;
import React,{useffect,useState}来自“React”;
从“./src/Components/Result”导入结果;
从“react传单”导入{MapContainer、TileLayer、Marker、Popup};
函数App(){
const APP_KEY=个人_KEY;
const[IPdata,SetIPData]=useState([]);
const[search,setSearch]=useState(“”);
const[query,setQuery]=useState(“8.8.8.8”);
const[loaded,setLoaded]=useState(false);
useffect(()=>{
getIp();
setLoaded(真);
},[查询];
异步函数getIp(){
const response=等待获取(`https://geo.ipify.org/api/v1?apiKey=${APP_KEY}&ipAddress=${query}`);
const data=wait response.json();
控制台日志(数据);
SetIPData(数据)
}
函数句柄更改(事件){
setSearch(事件、目标、值);
日志(event.target.value);
}
函数handleSubmit(事件){
event.preventDefault();
设置查询(搜索);
集搜索(“”);
}
返回(
装载的(
IP地址跟踪器
走!
{IPdata.location&&(
您的IP地址
)
}
):正在加载
)
}
导出默认应用程序;
由于此原因,无法使用状态更改中心
除了它的子级之外,MapContainer道具是不变的:更改
它们在第一次设置之后,将不会对系统产生任何影响
映射实例或其容器
不过,我相信如果你添加一个关键道具,它可能会起作用。你可以试试看它是否有效
<MapContainer
center={[IPdata.location?.lat, IPdata.location?.lng]}
zoom={13}
scrollWheelZoom={true}
key={`${IPdata.location?.lat}${IPdata.location?.lng}`}
>
哪个对你有效?添加关键道具有效