我正在尝试进行无限滚动并使用React-Waypoint。
我想无限展示{this._renderList() }
。
但是它仍然没有用。
我正在使用YTS API,并且似乎具有页面和限制参数...你们对如何无限显示数据有想法吗?
这是yts API的链接 https://yts.am/api#list_movies
import React, {Component} from 'react';
import L_MovieList from './L_MovieList';
import L_Ranking from './L_Ranking';
import './L_Right_List.css';
import Waypoint from 'react-waypoint';
class L_BoxOffice extends Component {
state = {
currentPage: 0,
data : []
};
constructor(props) {
super(props);
this.state = {
movies: []
}
this._renderRankings = this._renderRankings.bind(this);
this._renderList = this._renderList.bind(this);
}
componentWillMount() {
this._getMovies();
}
_renderRankings = () => {
const movies = this.state.movies.map((movie, i) => {
console.log(movie)
return <L_Ranking title={movie.title_english} key={movie.id} genres={movie.genres} index={i}/>
})
return movies
}
_renderList = () => {
fetch(`https://yts.am/api/v2/list_movies.json?sort_by=download_count&page=${this.state.currentPage}`)
.then((res) => this.setState((prevState) => ({currentPage: prevState.currentPage + 1, data: res.body}));
const movies = this.state.movies.map((movie) => {
console.log(movie)
return <L_MovieList title={movie.title_english} poster={movie.medium_cover_image} key={movie.id} genres={movie.genres} language={movie.language} runtime={movie.runtime} year={movie.year} rating={movie.rating} likes={movie.likes} trcode={movie.yt_trailer_code}/>
})
return movies
}
_getMovies = async () => {
const movies = await this._callApi()
this.setState({
movies
})
}
_callApi = () => {
return fetch('https://yts.am/api/v2/list_movies.json?sort_by=download_count&limit=10').then(potato => potato.json())
.then(json => json.data.movies)
.catch(err => console.log(err))
}
getNextPage = () => {
fetch(`https://yts.am/api/v2/list_movies.json?sort_by=download_count&page=${this.state.currentPage}`).
then((res) => this.setState((prevState) => ({currentPage: prevState.currentPage + 1, data: res.body}));
}
render() {
const {movies} = this.state;
let sub_title;
let right_information;
if (this.props.page == 'main') {
sub_title = <div>Today Box Office</div>;
right_information = <div>
aaa</div>;
} else if (this.props.page == 'box_office') {
right_information = <div className={movies
? "L_Right_List"
: "L_Right_List--loading"}>
{this._renderList()}
{
this.state.data.map((currentData) => <div>{this._renderList()}</div>)
}
<Waypoint onEnter={this.getNextPage}/>
</div>;
}
return (<div style={{
backgroundColor: '#E5E5E5',
paddingTop: '20px',
paddingLeft: '20px'
}}>
{sub_title}
<div className={movies
? "L_Left_Ranking"
: "L_Left_Ranking--loading"}>
<div className="L_Left_Ranking_title">영화랭킹</div>
{this._renderRankings()}
</div>
{right_information}
</div>);
}
}
export default L_BoxOffice;