import React, { Component } from 'react';
export default class Music extends Component {
constructor(props) {
super(props);
this.state = {
songs:[
{"id":"1","title":"Love","singer":"cone翻唱团","album":"Love shot","year":"2016","type":"翻唱"},
{"id":"2","title":"Fever","singer":"rosy","album":"Medley Song","year":"2019","type":"原唱"},
{"id":"3","title":"和你","singer":"李飘飘","album":"和你合集","year":"2020","type":"翻唱"},
{"id":"4","title":"我很快乐","singer":"鹿小桃","album":"我很快乐","year":"2019","type":"翻唱"},
{"id":"5","title":"暖暖","singer":"郑豪豪","album":"暖暖","year":"2018","type":"翻唱"},
{"id":"6","title":"我想念","singer":"颜辞","album":"继一.","year":"2021","type":"翻唱"},
{"id":"7","title":"潮汐","singer":"紫沐","album":"潮汐","year":"2022","type":"翻唱"},
{"id":"8","title":"刻在我心底的名字","singer":"卢广仲","album":"刻在我心底的声音","year":"2016","type":"原唱"},
{"id":"9","title":"如故","singer":"卿月怀","album":"载不动愁","year":"2021","type":"原唱"},
{"id":"10","title":"舒伯特玫瑰","singer":"朱康伟；利阳","album":"舒伯特","year":"2019","type":"原唱"}
],
mp3file: '',
nowitem:'',
nowtitle:''
};
}
handleClick(item, e) {
let file='http://localhost:8088/myServer/mybase/mp3/'+item.title+'.mp3';
this.setState({mp3file: file});
this.setState({nowitem: item.id});
this.setState({nowitem: item.title});
console.log(this.state.mp3file);
}
deleteClick(item, e){
let id=item.id;
id=Number(id);
var mp3=this.state.songs;
mp3.splice(id-1,1);
this.setState({songs: mp3});
console.log(id,this.state.songs);
}
nextplay = (e) =>{
let id=this.state.nowitem;
id=Number(id);
let item=this.state.songs[id];
let file='http://localhost:8088/myServer/mybase/mp3/'+item.title+'.mp3';
this.setState({mp3file: file});
this.setState({nowitem: id+1});
this.setState({nowitem: item.title});
}
render(){
return (
<div>
<table style={{width:'80%'}}>
<thead>
<tr>
<td>歌曲名字</td>
<td>歌手</td>
<td>专辑</td>
<td>发行年份</td>
<td>原唱/翻唱</td>
</tr></thead>
<tbody>
{
this.state.songs.map((item, index)=>{
return(
<tr key={"div2_"+index} style={{marginLeft:12, marginTop:4}}>
<td>
<a href="#" onClick={this.deleteClick.bind(this, item)} style={{marginRight:'10px'}}><img src={require('../../images/deletefile.png')} /></a>
<a href="#" onClick={this.handleClick.bind(this, item)} style={{textDecoration:'none'}}><img src={require('../../images/play.png')} width="20" height="20" style={{marginRight:'10px'}}/>{item.title}</a>
</td>
<td>{item.singer}</td>
<td>{item.album}</td>
<td>{item.year}</td>
<td>{item.title}</td>
</tr>
)
})
}</tbody>
</table>
<div >
<button onClick={() => {this.nextplay()}} style={{position:'absolute', top:300, left:60, width:50,height:50,borderRadius:'30%',border: '1px solid #d5d5d5',fontSize:'13px'}}>下一曲</button>
<audio id="myMp3" src={this.state.mp3file} controls="controls" autoPlay="autoplay" preload="auto" style={{position:'absolute', top:300, left:120, width:600}}></audio>
</div>
</div>
)
}
}
mp3歌曲是从后台提取的，以后会做成动态，即数据库提取数据。
还想做一个单曲循环的功能但是还在研究。
本实例还是有bug的，比如说删除了该歌曲，上一曲播放点击下一曲，被删除的仍然可以播放。