You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

59 lines
2.3 KiB
JavaScript

const fs = require('fs');
const path = require('path');
const sharp = require('sharp');
const { getInputDir } = require('../utils/index');
//工作目录文件夹路径
const inputDir = 'E:/商品资料汇总/商品资料(1051-1100)/doc1089-英语小报'; //getInputDir();
// 父文件夹路径
const parentFolder = `${inputDir}/预览图`;
if (!inputDir) {
console.log('未执行手抄报拼图功能,工作目录不存在');
return;
}
async function processImages(folderPath) {
// 读取文件夹内的所有子文件夹
const subFolders = fs.readdirSync(folderPath);
for (const subFolder of subFolders) {
const subFolderPath = path.join(folderPath, subFolder);
const stats = fs.statSync(subFolderPath);
// 确保是文件夹
if (stats.isDirectory()) {
const images = fs.readdirSync(subFolderPath);
const imagePaths = images.map((image) => path.join(subFolderPath, image)).filter((img) => img.endsWith('.jpg') || img.endsWith('.png'));
if (imagePaths.length === 2) {
// 使用 sharp 拼接图片
const [image1, image2] = imagePaths;
// 获取第一张图片的高度
const { width, height } = await sharp(image1).metadata();
const outputImagePath = path.join(folderPath, `${subFolder}.png`);
await sharp({
create: {
width: width, // 宽度使用第一张图片的宽度
height: height * 2, // 高度为两张图片的总高度
channels: 4,
background: { r: 255, g: 255, b: 255, alpha: 0 }, // 背景透明
},
})
.composite([
{ input: await sharp(image1).toBuffer(), top: 0, left: 0 },
{ input: await sharp(image2).toBuffer(), top: height, left: 0 },
])
.toFile(outputImagePath);
console.log(`合并完成: ${outputImagePath}`);
} else {
console.log(`跳过文件夹 ${subFolder}: 找不到两张图片`);
}
}
}
}
// 替换为你自己的文件夹路径
// const folderPath = './your-folder-path';
processImages(parentFolder).catch((err) => console.error(err));