我尝试进行反应方面的培训,并希望创建一个表单,以便在使用当前输入提交时调用api奇迹,并显示名称和字符搜索的描述。
Api调用还可以,但是当我提交表格时,什么也没有显示任何建议?
import React, { Component, useEffect, useState } from 'react'
import axios from 'axios'
const SearchEngine = React.forwardRef((props, ref) => {
const [asked, setAsked] = useState([]);
const [characterInfos, setCharacterInfos] = useState([]);
const [searchTerm, setSearchTerm] = useState("");
const [loading, setLoading] = useState(true);
const [inputs, setInputs] = useState('');
const handleChange = (event) => {
setInputs(event.target.value);
console.log(inputs);
}
const getCharacters = (inputs) => {
setSearchTerm(inputs)
axios
.get(`https://gateway.marvel.com:443/v1/public/characters?name=${searchTerm}&apikey=XXX`)
.then(response => {
console.log(searchTerm)
console.log(response)
setCharacterInfos(response.data.data.results[0]);
setLoading(false);
console.log(response.data.data.results[0].name)
response.data.data.results.map((item) => {
return characterInfos.push(item.name)
})
localStorage.setItem(characterInfos, JSON.stringify(response.data))
if (!localStorage.getItem('marvelStorageDate')) {
localStorage.setItem('marvelStorageDate', Date.now());
}
})
.catch(error => {
console.log(error);
})
}
return (
<div className="search-container">
<h1>Character Infos</h1>
<form onSubmit={getCharacters}>
<input
type="text"
placeholder="Search"
value={inputs}
onChange={handleChange}
/>
<input type="submit" value="Envoyer" />
</form>
<ul>
<li>{characterInfos.name}</li>
</ul>
</div>
)
})
export default React.memo(SearchEngine)
感谢您的帮助。有没有建议显示所有字符的列表并创建至少使用3个字符的搜索过滤器的建议?
[getCharacters
]以表单提交事件作为参数触发。您假设错误地从状态获取inputs
:
const getCharacters = event => {
event.preventDefault() // Prevent browser making undesired form native requests
// setSearchTerm(inputs); // Not sure what are you trying here but, again, inputs is a form submit event
axios
.get( // use searchValue as query string in the url
`https://gateway.marvel.com:443/v1/public/characters?name=${searchValue}&apikey=XXX`
)
.then(response => {
console.log(searchTerm);
console.log(response);
setCharacterInfos(response.data.data.results[0]);
setLoading(false);
console.log(response.data.data.results[0].name);
response.data.data.results.map(item => {
return characterInfos.push(item.name);
});
localStorage.setItem(characterInfos, JSON.stringify(response.data));
if (!localStorage.getItem("marvelStorageDate")) {
localStorage.setItem("marvelStorageDate", Date.now());
}
})
.catch(error => {
console.log(error);
});
};