React Audio Player 更改音频的当前时间

Question

我正在使用 Bootstrap 在 React 中开发一个自定义音频播放器，我希望能够快进或快退 5 秒播放。 我还希望能够使用滑块更改时间。 这在某种程度上是行不通的。 目前，代码的行为方式是，如果我快进或快退 5 秒，MP-3 会再次启动。

应用程序.js

import "bootstrap/dist/css/bootstrap.min.css";
import "./index.scss";
import { Button, Card, Container, ProgressBar } from "react-bootstrap";

import AudioPlayer from "./components/AudioPlayer";

export default function App() {
  return (
    <div className="App">
      <Container>
        <h1>Hello CodeSandbox</h1>
        <Card>
          <Card.Header> Audio </Card.Header>
          <Card.Body>
            <AudioPlayer
              audioSrc="/assets/Test_ogg_mp3_48kbps.wav.ogg"
              name="Lehrpfad Audio 1"
            />
          </Card.Body>
        </Card>
      </Container>
    </div>
  );
}

音频播放器

import React from "react";
import { Button, ProgressBar, InputGroup, FormControl } from "react-bootstrap";
import {
  PlayCircleFill,
  PauseCircleFill,
  VolumeMuteFill,
  VolumeDownFill,
  VolumeUpFill,
} from "react-bootstrap-icons";

class AudioPlayer extends React.Component {
  constructor(props) {
    super(props);
    this.audioRef = React.createRef();
    this.audioSrc = props.audioSrc;

    this.state = {
      isPlaying: false,
      currentTime: 0,
      volume: 1, // Range between 0 and 1
      progress: 0,
    };
  }

  togglePlayPause() {
    const { isPlaying } = this.state;
    const audio = this.audioRef.current;
    if (isPlaying) {
      audio.pause();
    } else {
      audio.play();
    }
    this.setState({ isPlaying: !isPlaying });
  }

  handleTimeUpdate() {
    const audio = this.audioRef.current;
    if (audio && !isNaN(audio.duration)) {
      const progressPercentage = (audio.currentTime / audio.duration) * 100;
      this.setState({ progress: progressPercentage });
      if (progressPercentage >= 100) {
        this.setState({ isPlaying: false, progress: 0 });
      }
    }
  }

  getVolumeIcon() {
    const { volume } = this.state;
    if (volume <= 0) {
      return <VolumeMuteFill />;
    } else if (volume > 0 && volume <= 0.5) {
      return <VolumeDownFill />;
    } else {
      return <VolumeUpFill />;
    }
  }

  handleVolumeChange(e) {
    const newVolume = e.target.value;
    this.setState({ volume: newVolume });
    if (this.audioRef.current) {
      this.audioRef.current.volume = newVolume;
    }
  }

  skipTime(seconds) {
    const player = document.getElementById("Player");
    if (player && !isNaN(player.currentTime)) {
      player.currentTime += seconds;
      this.setState();
    }
  }

  render() {
    const { isPlaying, progress, volume } = this.state;
    return (
      <div className="container mt-5 audio-player">
        <audio
          id="Player"
          ref={this.audioRef}
          src={this.audioSrc} // Ersetze dies durch den Pfad zu deiner Audiodatei
          onTimeUpdate={this.handleTimeUpdate.bind(this)}
          onEnded={() => this.setState({ isPlaying: false })}
        />
        <div className="d-flex align-items-center">
          <Button variant="primary" onClick={() => this.skipTime(-5)}>
            {" "}
            -5s{" "}
          </Button>
          <Button
            variant="primary"
            onClick={this.togglePlayPause.bind(this)}
            className="mx-2"
          >
            {isPlaying ? <PauseCircleFill /> : <PlayCircleFill />}
          </Button>
          <Button variant="primary" onClick={() => this.skipTime(5)}>
            {" "}
            +5s{" "}
          </Button>
        </div>
        <ProgressBar
          striped
          variant="success"
          now={progress}
          label={`${Math.round(progress)}%`}
        />
        <InputGroup className="mt-3">
          <InputGroup.Text>{this.getVolumeIcon()}</InputGroup.Text>
          <FormControl
            type="range"
            min="0"
            max="1"
            step="0.1"
            value={volume}
            onChange={this.handleVolumeChange.bind(this)}
          />
        </InputGroup>
      </div>
    );
  }
}

export default AudioPlayer;

我尝试了我想到的一切，但没有成功。 我确实接受一种方法会改变时间。

codesandbox.io 片段

Answer 1

import React from "react";
import { Button, ProgressBar, InputGroup, FormControl } from "react-bootstrap";
import {
  PlayCircleFill,
  PauseCircleFill,
  VolumeMuteFill,
  VolumeDownFill,
  VolumeUpFill,
  ArrowClockwise,
  ArrowCounterclockwise,
} from "react-bootstrap-icons";

class AudioPlayer extends React.Component {
  constructor(props) {
    super(props);
    this.audioRef = React.createRef();
    this.audioSrc = props.audioSrc;
    this.audioName = props.audioName || props.audioSrc;

    this.state = {
      isPlaying: false,
      currentTime: 0,
      volume: 1, // Range between 0 and 1
      progress: 0,
    };
  }

  togglePlayPause() {
    const { isPlaying } = this.state;
    const audio = this.audioRef.current;
    if (isPlaying) {
      audio.pause();
    } else {
      audio.play();
    }
    this.setState({ isPlaying: !isPlaying });
  }

  handleTimeUpdate() {
    const audio = this.audioRef.current;
    if (audio && !isNaN(audio.duration)) {
      const progressPercentage = (audio.currentTime / audio.duration) * 100;
      this.setState({ progress: progressPercentage });
      if (progressPercentage >= 100) {
        this.setState({ isPlaying: false, progress: 0 });
      }
    }
  }

  getVolumeIcon() {
    const { volume } = this.state;
    if (volume <= 0) {
      return <VolumeMuteFill />;
    } else if (volume > 0 && volume <= 0.5) {
      return <VolumeDownFill />;
    } else {
      return <VolumeUpFill />;
    }
  }

  handleVolumeChange(e) {
    const newVolume = e.target.value;
    this.setState({ volume: newVolume });
    if (this.audioRef.current) {
      this.audioRef.current.volume = newVolume;
    }
  }

  skipTime(seconds) {
    const audio = this.audioRef.current;
    if (audio && !isNaN(audio.currentTime)) {
      audio.currentTime += seconds;
    }
  }

  render() {
    const { isPlaying, progress, volume } = this.state;
    return (
      <div className="audio-player">
        <p>{this.audioName}</p>
        <audio
          id="Player"
          ref={this.audioRef}
          src={this.audioSrc} // Ersetze dies durch den Pfad zu deiner Audiodatei
          onTimeUpdate={this.handleTimeUpdate.bind(this)}
          onEnded={() => this.setState({ isPlaying: false })}
          controls
        />
        <Button
          variant={isPlaying ? "danger" : "success"}
          onClick={this.togglePlayPause.bind(this)}
          className="playPauseBtn"
        >
          {isPlaying ? (
            <PauseCircleFill size={80} />
          ) : (
            <PlayCircleFill size={80} />
          )}
        </Button>
        <div className="audio-controls">
          <Button variant="primary" onClick={() => this.skipTime(-5)}>
            <ArrowCounterclockwise size={50} />
            -5sec
          </Button>

          <Button variant="primary" onClick={() => this.skipTime(5)}>
            <ArrowClockwise size={50} />
            +5sec
          </Button>
        </div>
        <ProgressBar
          striped
          variant="success"
          now={progress}
          label={`${Math.round(progress)}%`}
        />
        <InputGroup className="volume-input">
          <InputGroup.Text>{this.getVolumeIcon()}</InputGroup.Text>
          <FormControl
            type="range"
            min="0"
            max="1"
            step="0.1"
            value={volume}
            onChange={this.handleVolumeChange.bind(this)}
          />
        </InputGroup>
      </div>
    );
  }
}

export default AudioPlayer;