400,消息:Spotify API中的“无搜索查询”

问题描述

我正在尝试从Spotify API获得答复(跟踪列表(json)),但我不断收到此错误:{status: 400,message: "No search query"}这是我的Spotify.api模块中的函数:


 search(term) {
 const accessToken = Spotify.getAccessToken();
 return fetch(`https://api.spotify.com/v1/search?type=TRACK&q=${term}`,{
              headers: {
                Authorization: `Bearer ${accessToken}`,},}).then(response => {
              return response.json();
            }).then(jsonResponse => {
              if (!jsonResponse.tracks) {
                return [];
              }
              return jsonResponse.tracks.items.map(track => ({
                id: track.id,name: track.name,artist: track.artists[0].name,album: track.album.name,}));
            });
          },

这是状态所在的app.js(主要容器组件);这些都在类react构造函数中:

  
    search(term) {
        Spotify.search(term).then(searchResults => {
          this.setState({
            searchResults: searchResults
          })
        })
      }
    
      render() {
        return ( 
        <div> 
           <div className = "App" >
           < SearchBar onSearch={this.search} /> 
            <div className="App-playlist">
            < SearchResults searchResults={this.state.searchResults}
            onAdd={this.addTrack} /> 
            < Playlist playlistName={this.state.playlistName}
            playlistTracks={this.state.playlistTracks}
            onRemove={this.removeTrack}
            onNameChange={this.updatePlaylistName}
            onSave={this.savePlaylist} />
            </div> 
          </div> 
        </div>);
      }
    }

这是searchBar.js组件,将在其中请求输入(或跟踪):


search() {
     this.props.onSearch(this.state.term);
   }
 
   handleTermChange(event) {
     this.setState = { term: event.target.value };
   }
 
   render() {
     return (
       <div className="SearchBar">
         <input
           onChange={this.handleTermChange}
           placeholder="Enter A Song,Album,or Artist"
         />
         <button className="SearchButton" onClick={this.search}>SEARCH</button>
       </div>
     );
   }
 }

解决方法

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