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spiltImage.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>图片切割器</title>
<style>
/* 重置默认样式 */
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
background-color: #f4f6f8;
color: #333;
display: flex;
flex-direction: column;
height: 100vh;
overflow: hidden;
}
h1 {
margin: 20px;
color: #4A90E2;
text-align: center;
}
.main-container {
display: flex;
flex: 1;
overflow: hidden;
}
/* 左侧容器 */
.left-panel {
flex: 0 0 50%;
padding: 20px;
overflow-y: auto;
background-color: #fff;
}
.upload-section {
display: flex;
flex-direction: column;
align-items: center;
}
#upload {
margin-bottom: 20px;
padding: 20px;
border: 2px dashed #4A90E2;
border-radius: 8px;
width: 100%;
cursor: pointer;
transition: background-color 0.3s;
text-align: center;
font-size: 16px;
color: #4A90E2;
}
#upload:hover {
background-color: #f0f8ff;
}
.controls {
display: flex;
flex-wrap: wrap;
gap: 15px;
justify-content: center;
margin-bottom: 20px;
}
.controls label {
display: flex;
flex-direction: column;
font-size: 14px;
color: #555;
}
.controls input[type="number"] {
padding: 8px 12px;
margin-top: 5px;
border: 1px solid #ccc;
border-radius: 5px;
width: 80px;
transition: border-color 0.3s;
}
.controls input[type="number"]:focus {
border-color: #4A90E2;
outline: none;
}
.controls button, .controls a {
padding: 10px 20px;
background-color: #4A90E2;
color: #fff;
border: none;
border-radius: 25px;
cursor: pointer;
text-decoration: none;
font-size: 16px;
transition: background-color 0.3s, transform 0.2s;
}
.controls button:hover, .controls a:hover {
background-color: #357ABD;
transform: translateY(-2px);
}
#canvas {
width: 100%;
max-width: 100%;
border-radius: 10px;
margin-bottom: 20px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
/* 右侧容器 */
.right-panel {
flex: 0 0 50%;
padding: 20px;
overflow-y: auto;
background-color: #fafafa;
border-left: 1px solid #ddd;
}
.right-panel h2 {
margin-bottom: 20px;
color: #4A90E2;
text-align: center;
}
#preview {
display: flex;
flex-direction: column;
gap: 15px;
}
.preview-item {
background-color: #fff;
border: 1px solid #e0e0e0;
border-radius: 8px;
padding: 10px;
text-align: center;
transition: transform 0.3s, box-shadow 0.3s;
}
.preview-item:hover {
transform: translateY(-5px);
box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.preview-item img {
max-width: 100%;
height: auto;
border-radius: 5px;
margin-bottom: 8px;
}
.preview-item span {
display: block;
font-size: 14px;
color: #666;
}
/* 美化滚动条 */
::-webkit-scrollbar {
width: 8px;
background-color: #f4f6f8;
}
::-webkit-scrollbar-thumb {
background-color: #c1c1c1;
border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
background-color: #a8a8a8;
}
/* 适配移动设备 */
@media (max-width: 800px) {
.main-container {
flex-direction: column;
}
.left-panel, .right-panel {
flex: 1 1 auto;
width: 100%;
}
.controls {
flex-direction: column;
align-items: center;
}
.controls label, .controls button, .controls a {
width: 100%;
max-width: 300px;
}
.controls input[type="number"] {
width: 100%;
}
}
</style>
</head>
<body>
<h1>图片切割器</h1>
<div class="main-container">
<!-- 左侧面板 -->
<div class="left-panel">
<div class="upload-section">
<input type="file" id="upload" accept="image/*" title="点击上传图片">
<canvas id="canvas"></canvas>
</div>
<div class="controls">
<label for="rows">
行数:
<input type="number" id="rows" min="1" value="2">
</label>
<label for="cols">
列数:
<input type="number" id="cols" min="1" value="2">
</label>
<button id="split">切割图片</button>
</div>
<div class="controls" id="downloadSection" style="display:none;">
<a id="download" href="#" download="split_images.zip">打包下载</a>
</div>
</div>
<!-- 右侧面板 -->
<div class="right-panel">
<h2>预览切割后的图片</h2>
<div id="preview"></div>
</div>
</div>
<!-- 引入JSZip库 -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.0/jszip.min.js"></script>
<script>
const upload = document.getElementById('upload');
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
const splitBtn = document.getElementById('split');
const rowsInput = document.getElementById('rows');
const colsInput = document.getElementById('cols');
const preview = document.getElementById('preview');
const downloadBtn = document.getElementById('download');
const downloadSection = document.getElementById('downloadSection');
let image = new Image();
let zip = new JSZip();
let baseFileName = "split_image"; // 默认文件名前缀
// 处理文件名，去除扩展名并进行简单的安全化
function getBaseFileName(filename) {
const lastDot = filename.lastIndexOf('.');
let name = lastDot !== -1 ? filename.substring(0, lastDot) : filename;
// 简单替换空格和特殊字符
name = name.replace(/[^a-zA-Z0-9_-]/g, '_');
return name;
}
upload.addEventListener('change', (e) => {
const file = e.target.files[0];
if(!file) return;
// 获取并处理文件名
baseFileName = getBaseFileName(file.name);
const reader = new FileReader();
reader.onload = function(event) {
image = new Image();
image.onload = function() {
// 调整Canvas大小以适应图片
const maxWidth = 700;
const scale = Math.min(maxWidth / image.width, 1);
canvas.width = image.width * scale;
canvas.height = image.height * scale;
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.drawImage(image, 0, 0, canvas.width, canvas.height);
preview.innerHTML = '';
downloadSection.style.display = 'none';
zip = new JSZip(); // 重置ZIP
}
image.src = event.target.result;
}
reader.readAsDataURL(file);
});
splitBtn.addEventListener('click', () => {
const rows = parseInt(rowsInput.value);
const cols = parseInt(colsInput.value);
if (isNaN(rows) || isNaN(cols) || rows < 1 || cols < 1) {
alert('请输入有效的行数和列数。');
return;
}
if (!image.src) {
alert('请先上传一张图片。');
return;
}
// 清除之前的预览和ZIP内容
preview.innerHTML = '';
downloadSection.style.display = 'none';
zip = new JSZip();
const pieceWidth = Math.floor(image.width / cols);
const pieceHeight = Math.floor(image.height / rows);
let count = 1;
for(let y=0; y<rows; y++) {
for(let x=0; x<cols; x++) {
const tempCanvas = document.createElement('canvas');
const tempCtx = tempCanvas.getContext('2d');
tempCanvas.width = pieceWidth;
tempCanvas.height = pieceHeight;
tempCtx.drawImage(
image,
x * pieceWidth,
y * pieceHeight,
pieceWidth,
pieceHeight,
0,
0,
pieceWidth,
pieceHeight
);
const dataURL = tempCanvas.toDataURL('image/png');
// 添加到预览
const img = document.createElement('img');
img.src = dataURL;
const div = document.createElement('div');
div.className = 'preview-item';
div.appendChild(img);
const span = document.createElement('span');
span.textContent = `${baseFileName}_${count}.png`;
div.appendChild(span);
preview.appendChild(div);
// 添加到ZIP
zip.file(`${baseFileName}_${count}.png`, dataURL.split(',')[1], {base64: true});
count++;
}
}
// 生成ZIP并提供下载链接
zip.generateAsync({type:"blob"})
.then(function(content) {
const url = URL.createObjectURL(content);
downloadBtn.href = url;
downloadBtn.download = `${baseFileName}.zip`;
downloadSection.style.display = 'flex';
})
.catch(function(err){
console.error("生成ZIP文件时出错:", err);
alert('生成ZIP文件时出错，请检查控制台日志。');
});
});
</script>
</body>
</html>