来自使用节点js的spotify api的奇怪响应

Question

我正在使用nodejs创建一个命令行应用程序。由于某种原因，每当我进入一首曲目(node liri.js spotify-this-song "enter track")时，我都会得到一个随机乐队的响应，该乐队名为“夜间仪式”，歌曲名为“未定义的东西”，专辑名为“大幻觉”。有没有人知道我哪里错了，或者我为什么会得到这些回复？

  function spotifyIt(song) {
  spotify.search({ type: 'track', query: song }, function(err, data) {
    if ( err ) {
        console.log('Error occurred: ' + err);
        return;  //from spotify npm docs
    }
    else{
    var songInfo = data.tracks.items[0];
    var songResult = console.log(songInfo.artists[0].name)
                     console.log(songInfo.name)
                     console.log(songInfo.album.name)
                     console.log(songInfo.preview_url)
    console.log(songResult);
    };
  });
}  

Answer 1

不要紧，我想通了。必须将查询更改为正确的params[]...也就是说，它最终看起来像这样

function spotifyIt() {
  spotify.search({ type: 'track', query: params[1] }, function(err, data) {
    if ( err ) {
        console.log('Error occurred: ' + err);
        return;  //from spotify npm docs
    }
    else{
    var songInfo = data.tracks.items[0];
    var songResult = console.log(songInfo.artists[0].name)
                     console.log(songInfo.name)
                     console.log(songInfo.album.name)
                     console.log(songInfo.preview_url)
    console.log(songResult);
    };
  });
}  

我有一个全局变量var params = process.argv.slice(2);和一个带有另一个params1的switch语句，所以它最终调用了第四个参数，即歌曲标题在终端中命名的位置

switch(params[0]) {
  case "my-tweets":
    myTweets();
    break;
  case "spotify-this-song":
    if(params[1]){  //if a song is put named in 4th paramater go to function
    spotifyIt();
  } else {  //if blank call it blink 182's "whats my age again"
    spotifyIt("What\'s my age again");
  }
    break;