From 023c73a75acbdf4ae97cbf792d0bc9ceaf139167 Mon Sep 17 00:00:00 2001 From: lichaojun Date: Mon, 23 Sep 2024 19:52:47 +0800 Subject: [PATCH] =?UTF-8?q?feat:=20=E6=89=B9=E9=87=8F=E8=A3=81=E5=89=AA?= =?UTF-8?q?=E5=8A=9F=E8=83=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- index.js | 60 ++++++ package-lock.json | 480 ++++++++++++++++++++++++++++++++++++++++++++++ package.json | 14 ++ 3 files changed, 554 insertions(+) create mode 100644 index.js create mode 100644 package-lock.json create mode 100644 package.json diff --git a/index.js b/index.js new file mode 100644 index 0000000..5a5f4dd --- /dev/null +++ b/index.js @@ -0,0 +1,60 @@ +const sharp = require('sharp'); +const fs = require('fs'); +const path = require('path'); + +// 常见图片格式 +const imageExtensions = new Set(['jpg', 'jpeg', 'png', 'gif', 'webp', 'tiff', 'svg']); +//图片文件夹路径 +const inputDir = 'H:/商品资料/ppt1032-国庆假期出游安全'; +//输出比例 +const outputArr = [ + { + name: '主图1：1', + scale: [1, 1], + dir: '', + }, + { + name: '主图3：4', + scale: [3, 4], + dir: '', + }, +]; + +//创建输出文件夹 +outputArr.forEach((item) => { + item.dir = `${inputDir}/${item.scale.join('x')}`; + if (!fs.existsSync(item.dir)) { + fs.mkdirSync(item.dir); + } +}); + +async function resizeImage(imageDir, outputDir, scale) { + let imgData = await sharp(imageDir).metadata(); + await sharp(imageDir) + .extract({ + width: imgData.width, + height: Math.floor(imgData.width / (scale[0] / scale[1])), + left: 0, + top: 0, + }) + .toFile(outputDir); +} + +//读取输入目录下所有文件 +fs.readdirSync(inputDir).forEach(async (file) => { + console.log(file); + const ext = file.split('.').pop().toLowerCase(); + if (imageExtensions.has(ext)) { + const inputPath = path.join(inputDir, file); + outputArr.forEach((item) => { + const outputPath = path.join(item.dir, file); + resizeImage(inputPath, outputPath, item.scale) + .then(() => { + console.log(`${file}的${item.name}图片已生成`); + }) + .catch((err) => { + console.error(`${file}的${item.name}图片生成失败`, err); + }); + }); + } +}); diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..a12e382 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,480 @@ +{ + "name": "sharp_img", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "sharp_img", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "sharp": "^0.33.5" + } + }, + "node_modules/@emnapi/runtime": { + "version": "1.2.0", + "resolved": "https://registry.npmmirror.com/@emnapi/runtime/-/runtime-1.2.0.tgz", + "integrity": "sha512-bV21/9LQmcQeCPEg3BDFtvwL6cwiTMksYNWQQ4KOxCZikEGalWtenoZ0wCiukJINlGCIi2KXx01g4FoH/LxpzQ==", + "optional": true, + "dependencies": { + "tslib": "^2.4.0" + } + }, + "node_modules/@img/sharp-darwin-arm64": { + "version": "0.33.5", + "resolved": "https://registry.npmmirror.com/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.33.5.tgz", + "integrity": 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