feat: doc拼图

src/doc_img_merge.js

@@ -0,0 +1,58 @@
+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));

src/product_cover_img.js

@@ -45,12 +45,14 @@ async function resizeImage(imageDir, outputDir, scale) {
 }
 
 //读取输入目录下所有文件
-fs.readdirSync(previewDir).forEach(async (file, index) => {
+let execNum = 0;
-    if (index > 4) {
+fs.readdirSync(previewDir).forEach(async (file) => {
-        return;
-    }
     const ext = file.split('.').pop().toLowerCase();
     if (cover.imgFormat.has(ext)) {
+        execNum++;
+        if (execNum > 5) {
+            return;
+        }
         const inputPath = path.join(previewDir, file);
         cover.scaleArr.forEach((item) => {
             const outputPath = path.join(item.dir, file);