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Delete pdf提词器 directory

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ElmGates
2025-12-27 13:09:21 +08:00
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commit b806e5e30c
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88
pdf提词器/index.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>PDF提词器</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<div class="container">
<header>
<h1>PDF提词器</h1>
<p class="subtitle">上传PDF文件，自动生成镜像提词效果</p>
</header>
<div class="upload-section" id="uploadSection">
<div class="upload-area" id="uploadArea">
<svg class="upload-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4"></path>
<polyline points="7 10 12 15 17 10"></polyline>
<line x1="12" y1="15" x2="12" y2="3"></line>
</svg>
<p class="upload-text">点击或拖拽PDF文件到此处</p>
<input type="file" id="fileInput" accept=".pdf" hidden>
</div>
</div>
<div class="controls" id="controls" style="display: none;">
<div class="control-group">
<label for="speedSlider">滚动速度：</label>
<input type="range" id="speedSlider" min="0.5" max="5" value="2" step="0.5">
<span id="speedValue">2</span>
</div>
<div class="control-group">
<button id="fullscreenBtn" class="btn secondary">
<svg class="btn-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"/>
</svg>
全屏
</button>
<button id="playBtn" class="btn primary">开始</button>
<button id="pauseBtn" class="btn secondary" disabled>暂停</button>
<button id="resetBtn" class="btn secondary">重置</button>
</div>
</div>
<div class="display-area" id="displayArea" style="display: none;">
<div class="teleprompter-container">
<div class="scroll-indicator">上下滚动查看内容</div>
<div class="teleprompter-content" id="teleprompterContent">
<!-- PDF页面将在这里显示 -->
</div>
</div>
</div>
<div class="loading" id="loading" style="display: none;">
<div class="spinner"></div>
<p>正在处理PDF文件...</p>
</div>
<div class="floating-controls" id="floatingControls" style="display: none;">
<button id="floatPlayBtn" class="float-btn" title="开始/暂停">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor">
<polygon points="5,3 19,12 5,21"/>
</svg>
</button>
<button id="floatResetBtn" class="float-btn" title="重置">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor">
<polyline points="1,4 1,10 7,10"/>
<path d="M3.51,15a9,9 0 1,0 2.13,-9.36L1,10"/>
</svg>
</button>
<button id="floatExitBtn" class="float-btn" title="退出全屏">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path d="M8 3v3a2 2 0 0 1-2 2H3m18 0h-3a2 2 0 0 1-2-2V3m0 18v-3a2 2 0 0 1 2-2h3M3 16h3a2 2 0 0 1 2 2v3"/>
</svg>
</button>
<div class="float-speed-control">
<input type="range" id="floatSpeedSlider" min="0.5" max="5" value="2" step="0.5">
<span id="floatSpeedValue">2</span>
</div>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js"></script>
<script src="script.js"></script>
</body>
</html>

408
pdf提词器/script.js
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class PDFTeleprompter {
constructor() {
this.pdfDoc = null;
this.pages = [];
this.isPlaying = false;
this.animationId = null;
this.scrollPosition = 0;
this.scrollSpeed = 2;
this.initializeElements();
this.bindEvents();
}
initializeElements() {
this.uploadArea = document.getElementById('uploadArea');
this.fileInput = document.getElementById('fileInput');
this.controls = document.getElementById('controls');
this.displayArea = document.getElementById('displayArea');
this.teleprompterContent = document.getElementById('teleprompterContent');
this.loading = document.getElementById('loading');
this.speedSlider = document.getElementById('speedSlider');
this.speedValue = document.getElementById('speedValue');
this.playBtn = document.getElementById('playBtn');
this.pauseBtn = document.getElementById('pauseBtn');
this.resetBtn = document.getElementById('resetBtn');
this.fullscreenBtn = document.getElementById('fullscreenBtn');
// 悬浮控制面板元素
this.floatingControls = document.getElementById('floatingControls');
this.floatPlayBtn = document.getElementById('floatPlayBtn');
this.floatResetBtn = document.getElementById('floatResetBtn');
this.floatExitBtn = document.getElementById('floatExitBtn');
this.floatSpeedSlider = document.getElementById('floatSpeedSlider');
this.floatSpeedValue = document.getElementById('floatSpeedValue');
// 滚动容器
this.teleprompterContainer = document.querySelector('.teleprompter-container');
}
bindEvents() {
this.uploadArea.addEventListener('click', () => this.fileInput.click());
this.fileInput.addEventListener('change', (e) => this.handleFileUpload(e));
this.uploadArea.addEventListener('dragover', (e) => this.handleDragOver(e));
this.uploadArea.addEventListener('drop', (e) => this.handleDrop(e));
this.speedSlider.addEventListener('input', (e) => {
this.scrollSpeed = parseFloat(e.target.value);
this.speedValue.textContent = this.scrollSpeed;
if (this.floatSpeedSlider) {
this.floatSpeedSlider.value = this.scrollSpeed;
this.floatSpeedValue.textContent = this.scrollSpeed;
}
});
this.playBtn.addEventListener('click', () => this.play());
this.pauseBtn.addEventListener('click', () => this.pause());
this.resetBtn.addEventListener('click', () => this.reset());
this.fullscreenBtn.addEventListener('click', () => this.toggleFullscreen());
// 悬浮控制面板事件
if (this.floatPlayBtn) {
this.floatPlayBtn.addEventListener('click', () => this.togglePlayPause());
this.floatResetBtn.addEventListener('click', () => this.reset());
this.floatExitBtn.addEventListener('click', () => this.exitFullscreen());
this.floatSpeedSlider.addEventListener('input', (e) => {
this.scrollSpeed = parseFloat(e.target.value);
this.floatSpeedValue.textContent = this.scrollSpeed;
this.speedSlider.value = this.scrollSpeed;
this.speedValue.textContent = this.scrollSpeed;
});
}
// 全屏状态变化监听
['fullscreenchange', 'webkitfullscreenchange', 'mozfullscreenchange', 'MSFullscreenChange'].forEach(event => {
document.addEventListener(event, () => this.handleFullscreenChange());
});
// 手动滚动监听
this.teleprompterContainer.addEventListener('scroll', () => {
if (!this.isPlaying) {
this.scrollPosition = this.teleprompterContainer.scrollTop;
}
});
// 防止滚动时自动播放
this.teleprompterContainer.addEventListener('mousedown', () => {
if (this.isPlaying) {
this.pause();
}
});
// 键盘快捷键
document.addEventListener('keydown', (e) => {
if (e.key === ' ' || e.key === 'Spacebar') {
e.preventDefault();
this.togglePlayPause();
} else if (e.key === 'f' || e.key === 'F') {
e.preventDefault();
this.toggleFullscreen();
} else if (e.key === 'Escape') {
if (document.fullscreenElement) {
this.exitFullscreen();
}
}
});
// 触摸手势支持
let touchStartY = 0;
this.teleprompterContainer.addEventListener('touchstart', (e) => {
touchStartY = e.touches[0].clientY;
if (this.isPlaying) {
this.pause();
}
});
this.teleprompterContainer.addEventListener('touchmove', (e) => {
e.preventDefault();
const touchY = e.touches[0].clientY;
const deltaY = touchStartY - touchY;
this.teleprompterContainer.scrollTop += deltaY;
touchStartY = touchY;
this.scrollPosition = this.teleprompterContainer.scrollTop;
});
}
async handleFileUpload(event) {
const file = event.target.files[0];
if (file && file.type === 'application/pdf') {
await this.processPDF(file);
}
}
async processPDF(file) {
this.showLoading(true);
try {
const arrayBuffer = await file.arrayBuffer();
this.pdfDoc = await pdfjsLib.getDocument({ data: arrayBuffer }).promise;
await this.renderAllPages();
this.showControls();
} catch (error) {
console.error('Error processing PDF:', error);
alert('处理PDF文件时出错，请重试');
} finally {
this.showLoading(false);
}
}
async renderAllPages() {
this.pages = [];
this.teleprompterContent.innerHTML = '';
const totalPages = this.pdfDoc.numPages;
for (let pageNum = 1; pageNum <= totalPages; pageNum++) {
const page = await this.pdfDoc.getPage(pageNum);
const canvas = await this.renderPageToCanvas(page);
const img = document.createElement('img');
img.src = canvas.toDataURL('image/png');
img.style.width = '100%';
img.style.height = 'auto';
img.style.marginBottom = '20px';
this.teleprompterContent.appendChild(img);
this.pages.push(img);
}
}
async renderPageToCanvas(page) {
const viewport = page.getViewport({ scale: 1.5 });
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
canvas.width = viewport.width;
canvas.height = viewport.height;
const renderContext = {
canvasContext: context,
viewport: viewport
};
await page.render(renderContext).promise;
return canvas;
}
showLoading(show) {
this.loading.style.display = show ? 'block' : 'none';
}
showControls() {
this.uploadArea.parentElement.style.display = 'none';
this.controls.style.display = 'flex';
this.displayArea.style.display = 'block';
}
play() {
if (!this.isPlaying) {
this.isPlaying = true;
this.playBtn.disabled = true;
this.pauseBtn.disabled = false;
this.animateScroll();
}
}
pause() {
this.isPlaying = false;
this.playBtn.disabled = false;
this.pauseBtn.disabled = true;
if (this.animationId) {
cancelAnimationFrame(this.animationId);
}
}
reset() {
this.pause();
this.scrollPosition = 0;
this.teleprompterContainer.scrollTop = 0;
}
animateScroll() {
if (!this.isPlaying) return;
const contentHeight = this.teleprompterContent.scrollHeight;
const containerHeight = this.teleprompterContainer.offsetHeight;
this.scrollPosition += this.scrollSpeed;
if (this.scrollPosition > contentHeight) {
this.scrollPosition = 0;
}
this.teleprompterContainer.scrollTop = this.scrollPosition;
this.animationId = requestAnimationFrame(() => this.animateScroll());
}
toggleFullscreen() {
if (!document.fullscreenElement) {
this.enterFullscreen();
} else {
this.exitFullscreen();
}
}
enterFullscreen() {
const element = this.displayArea;
if (element.requestFullscreen) {
element.requestFullscreen();
} else if (element.webkitRequestFullscreen) {
element.webkitRequestFullscreen();
} else if (element.msRequestFullscreen) {
element.msRequestFullscreen();
} else if (element.mozRequestFullScreen) {
element.mozRequestFullScreen();
}
}
exitFullscreen() {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
}
}
handleFullscreenChange() {
const isFullscreen = !!(
document.fullscreenElement ||
document.webkitFullscreenElement ||
document.mozFullScreenElement ||
document.msFullscreenElement
);
if (isFullscreen) {
this.displayArea.classList.add('fullscreen');
document.body.classList.add('fullscreen');
this.floatingControls.style.display = 'flex';
this.fullscreenBtn.innerHTML = `
<svg class="btn-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path d="M8 3v3a2 2 0 0 1-2 2H3m18 0h-3a2 2 0 0 1-2-2V3m0 18v-3a2 2 0 0 1 2-2h3M3 16h3a2 2 0 0 1 2 2v3"/>
</svg>
退出全屏
`;
} else {
this.displayArea.classList.remove('fullscreen');
document.body.classList.remove('fullscreen');
this.floatingControls.style.display = 'none';
this.fullscreenBtn.innerHTML = `
<svg class="btn-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"/>
</svg>
全屏
`;
}
}
togglePlayPause() {
if (this.isPlaying) {
this.pause();
this.updatePlayButtons(false);
} else {
this.play();
this.updatePlayButtons(true);
}
}
updatePlayButtons(isPlaying) {
const playIcon = `
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor">
<polygon points="5,3 19,12 5,21"/>
</svg>
`;
const pauseIcon = `
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor">
<rect x="6" y="4" width="4" height="16"/>
<rect x="14" y="4" width="4" height="16"/>
</svg>
`;
if (isPlaying) {
this.floatPlayBtn.innerHTML = pauseIcon;
} else {
this.floatPlayBtn.innerHTML = playIcon;
}
}
play() {
if (!this.isPlaying) {
this.isPlaying = true;
this.playBtn.disabled = true;
this.pauseBtn.disabled = false;
this.updatePlayButtons(true);
this.animateScroll();
}
}
pause() {
this.isPlaying = false;
this.playBtn.disabled = false;
this.pauseBtn.disabled = true;
this.updatePlayButtons(false);
if (this.animationId) {
cancelAnimationFrame(this.animationId);
}
}
// 键盘快捷键
setupKeyboardShortcuts() {
document.addEventListener('keydown', (e) => {
switch(e.code) {
case 'Space':
e.preventDefault();
if (this.isPlaying) {
this.pause();
} else {
this.play();
}
break;
case 'KeyR':
if (e.ctrlKey || e.metaKey) {
e.preventDefault();
this.reset();
}
break;
}
});
}
}
// 初始化应用
document.addEventListener('DOMContentLoaded', () => {
const teleprompter = new PDFTeleprompter();
teleprompter.setupKeyboardShortcuts();
});
// 添加触摸手势支持
let touchStartY = 0;
document.addEventListener('touchstart', (e) => {
touchStartY = e.touches[0].clientY;
});
document.addEventListener('touchend', (e) => {
const touchEndY = e.changedTouches[0].clientY;
const diff = touchStartY - touchEndY;
if (Math.abs(diff) > 50) {
// 滑动控制滚动速度
const speedSlider = document.getElementById('speedSlider');
const currentSpeed = parseInt(speedSlider.value);
if (diff > 0 && currentSpeed < 10) {
speedSlider.value = currentSpeed + 1;
} else if (diff < 0 && currentSpeed > 1) {
speedSlider.value = currentSpeed - 1;
}
speedSlider.dispatchEvent(new Event('input'));
}
});

407
pdf提词器/styles.css
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* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
color: #333;
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 20px;
}
header {
text-align: center;
margin-bottom: 40px;
color: white;
}
h1 {
font-size: 2.5rem;
margin-bottom: 10px;
font-weight: 300;
}
.subtitle {
font-size: 1.1rem;
opacity: 0.9;
}
.upload-section {
margin-bottom: 30px;
}
.upload-area {
border: 2px dashed rgba(255, 255, 255, 0.5);
border-radius: 15px;
padding: 60px 20px;
text-align: center;
cursor: pointer;
transition: all 0.3s ease;
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
}
.upload-area:hover {
border-color: rgba(255, 255, 255, 0.8);
background: rgba(255, 255, 255, 0.2);
transform: translateY(-2px);
}
.upload-area.dragover {
border-color: white;
background: rgba(255, 255, 255, 0.3);
transform: scale(1.02);
}
.upload-icon {
width: 60px;
height: 60px;
color: white;
margin-bottom: 15px;
}
.upload-text {
color: white;
font-size: 1.2rem;
font-weight: 300;
}
.controls {
background: white;
border-radius: 15px;
padding: 30px;
margin-bottom: 30px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
display: flex;
align-items: center;
justify-content: space-between;
flex-wrap: wrap;
gap: 20px;
}
.control-group {
display: flex;
align-items: center;
gap: 15px;
}
.control-group label {
font-weight: 500;
color: #555;
}
input[type="range"] {
width: 150px;
height: 6px;
border-radius: 3px;
background: #ddd;
outline: none;
-webkit-appearance: none;
}
input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
width: 18px;
height: 18px;
border-radius: 50%;
background: #667eea;
cursor: pointer;
}
#speedValue {
font-weight: bold;
color: #667eea;
min-width: 20px;
}
.btn {
padding: 12px 24px;
border: none;
border-radius: 8px;
font-size: 1rem;
cursor: pointer;
transition: all 0.3s ease;
font-weight: 500;
}
.btn.primary {
background: #667eea;
color: white;
}
.btn.primary:hover {
background: #5a6fd8;
transform: translateY(-1px);
}
.btn.secondary {
background: #f1f3f4;
color: #333;
}
.btn.secondary:hover:not(:disabled) {
background: #e8eaed;
transform: translateY(-1px);
}
.btn:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.display-area {
background: white;
border-radius: 15px;
overflow: hidden;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
margin: 20px;
max-height: 70vh;
}
.teleprompter-container {
height: 500px;
overflow-y: auto;
overflow-x: hidden;
position: relative;
background: #000;
cursor: grab;
scrollbar-width: thin;
scrollbar-color: #666 #222;
}
.teleprompter-container::-webkit-scrollbar {
width: 8px;
}
.teleprompter-container::-webkit-scrollbar-track {
background: #222;
}
.teleprompter-container::-webkit-scrollbar-thumb {
background: #666;
border-radius: 4px;
}
.teleprompter-container::-webkit-scrollbar-thumb:hover {
background: #888;
}
.teleprompter-container:active {
cursor: grabbing;
}
.teleprompter-content {
padding: 20px;
transform: scaleX(-1);
transition: transform 0.3s ease;
min-height: 100%;
}
.teleprompter-content img {
width: 100%;
height: auto;
display: block;
margin-bottom: 20px;
border-radius: 8px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}
/* 全屏模式无边框 */
.display-area.fullscreen {
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
z-index: 999;
border-radius: 0;
margin: 0;
max-height: none;
}
.display-area.fullscreen .teleprompter-container {
height: 100vh;
border-radius: 0;
margin: 0;
padding: 0;
}
.display-area.fullscreen .teleprompter-content {
padding: 0;
}
.display-area.fullscreen .teleprompter-content img {
border-radius: 0;
box-shadow: none;
margin-bottom: 0;
}
/* 滚动提示 */
.scroll-indicator {
position: absolute;
right: 10px;
top: 50%;
transform: translateY(-50%);
background: rgba(0, 0, 0, 0.5);
color: white;
padding: 8px 12px;
border-radius: 20px;
font-size: 12px;
opacity: 0;
transition: opacity 0.3s ease;
pointer-events: none;
z-index: 10;
}
.teleprompter-container:hover .scroll-indicator {
opacity: 1;
}
.loading {
text-align: center;
color: white;
padding: 40px;
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top: 4px solid white;
border-radius: 50%;
animation: spin 1s linear infinite;
margin: 0 auto 20px;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.btn-icon {
width: 16px;
height: 16px;
margin-right: 8px;
vertical-align: middle;
}
.floating-controls {
position: fixed;
top: 20px;
right: 20px;
background: rgba(0, 0, 0, 0.8);
backdrop-filter: blur(10px);
border-radius: 15px;
padding: 15px;
display: flex;
align-items: center;
gap: 10px;
z-index: 1000;
transition: all 0.3s ease;
box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.floating-controls:hover {
background: rgba(0, 0, 0, 0.9);
transform: translateY(-2px);
}
.float-btn {
width: 45px;
height: 45px;
border: none;
border-radius: 50%;
background: rgba(255, 255, 255, 0.2);
color: white;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.3s ease;
backdrop-filter: blur(5px);
}
.float-btn:hover {
background: rgba(255, 255, 255, 0.3);
transform: scale(1.1);
}
.float-btn svg {
width: 20px;
height: 20px;
}
.float-speed-control {
display: flex;
align-items: center;
gap: 8px;
padding: 0 10px;
}
.float-speed-control input[type="range"] {
width: 100px;
height: 4px;
background: rgba(255, 255, 255, 0.3);
}
.float-speed-control input[type="range"]::-webkit-slider-thumb {
width: 14px;
height: 14px;
background: white;
}
#floatSpeedValue {
color: white;
font-size: 0.9rem;
font-weight: bold;
min-width: 25px;
}
/* 全屏模式样式 */
.display-area.fullscreen {
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
z-index: 999;
border-radius: 0;
margin: 0;
}
.display-area.fullscreen .teleprompter-container {
height: 100vh;
border-radius: 0;
}
/* 全屏时隐藏原控制面板 */
body.fullscreen .controls {
display: none !important;
}
@media (max-width: 768px) {
.controls {
flex-direction: column;
align-items: stretch;
}
.control-group {
justify-content: center;
}
h1 {
font-size: 2rem;
}
.teleprompter-container {
height: 400px;
}
}