{"id":16102,"date":"2024-07-23T10:18:09","date_gmt":"2024-07-23T02:18:09","guid":{"rendered":"https:\/\/92it.top\/?p=16102"},"modified":"2024-07-23T10:40:02","modified_gmt":"2024-07-23T02:40:02","slug":"nodejs%e5%a4%84%e7%90%86%e5%9b%be%e7%89%87%e7%9a%84%e5%87%a0%e7%a7%8d%e6%96%b9%e6%b3%95%e4%bd%bf%e7%94%a8sharp%ef%bc%8cjimp","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=16102","title":{"rendered":"Nodejs\u5904\u7406\u56fe\u7247\u7684\u51e0\u79cd\u65b9\u6cd5,\u4f7f\u7528sharp\uff0cjimp\uff0cwebconvert"},"content":{"rendered":"\n<p><strong>\u4f7f\u7528sharp<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>sharp \u662f Node.js \u5e73\u53f0\u4e0a\u76f8\u5f53\u70ed\u95e8\u7684\u4e00\u4e2a\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u5176\u5b9e\u9645\u4e0a\u662f\u57fa\u4e8e C \u8bed\u8a00\u7f16\u5199 \u7684 libvips \u5e93\u5c01\u88c5\u800c\u6765\uff0c\u56e0\u6b64\u9ad8\u6027\u80fd\u4e5f\u6210\u4e86 sharp \u7684\u4e00\u5927\u5356\u70b9\u3002sharp \u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u5e38\u89c1\u7684\u56fe\u7247\u7f16\u8f91\u64cd\u4f5c\uff0c\u5982\u88c1\u526a\u3001\u683c\u5f0f\u8f6c\u6362\u3001\u65cb\u8f6c\u53d8\u6362\u3001\u6ee4\u955c\u6dfb\u52a0\u7b49\u3002\u5f53\u7136\uff0c\u7f51\u7edc\u4e0a\u76f8\u5173\u7684\u6587\u7ae0\u6bd4\u8f83\u591a\uff0csharp \u7684<a href=\"https:\/\/link.juejin.cn?target=http%3A%2F%2Fsharp.pixelplumbing.com%2Fen%2Fstable%2F\" target=\"_blank\" rel=\"noreferrer noopener\">\u5b98\u65b9\u6587\u6863<\/a>\u4e5f\u6bd4\u8f83\u8be6\u7ec6\u3002sharp\u662f\u6700\u5feb\u7684 Node.js \u6a21\u5757\u7528\u4e8e\u8c03\u6574 JPEG, PNG, WebP \u548c TIFF \u56fe\u7247\u5927\u5c0f\u3002<\/p>\n\n\n\n<p><strong>1. \u5b89\u88c5Sharp\u5e93<\/strong><\/p>\n\n\n\n<p>\u5b89\u88c5Sharp\u5e93\u53ef\u4ee5\u4f7f\u7528npm\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">npm install sharp<\/pre>\n\n\n\n<p><strong>2. \u8c03\u7528Sharp\u5e93<\/strong><\/p>\n\n\n\n<p>\u5728\u4ee3\u7801\u4e2d\u8c03\u7528Sharp\u5e93\uff0c\u53ef\u4ee5\u5148\u5f15\u5165Sharp\u5e93\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">const sharp = require('sharp');<\/pre>\n\n\n\n<p><strong>3. \u56fe\u7247\u683c\u5f0f\u8f6c\u6362<\/strong><\/p>\n\n\n\n<p>\u5229\u7528Sharp\u5e93\uff0c\u53ef\u4ee5\u5c06\u56fe\u7247\u683c\u5f0f\u8f6c\u6362\u4e3a\u5176\u5b83\u683c\u5f0f\uff0c\u4f8b\u5982\u5c06JPEG\u56fe\u7247\u8f6c\u6362\u4e3aPNG\u56fe\u7247\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sharp('input.jpg').toFormat('png').toFile('output.png', (err, info) => {\/\/ \u5904\u7406\u9519\u8bef\u6216\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570\n});<\/pre>\n\n\n\n<p><strong>4. \u5c3a\u5bf8\u8c03\u6574<\/strong><\/p>\n\n\n\n<p>\u5229\u7528Sharp\u5e93\uff0c\u53ef\u4ee5\u8c03\u6574\u56fe\u7247\u7684\u5c3a\u5bf8\uff0c\u4f8b\u5982\u5c06\u56fe\u7247\u5bbd\u5ea6\u8c03\u6574\u4e3a800\u50cf\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sharp('input.png').resize(800, null).toFile('output.png', (err, info) => {\/\/ \u5904\u7406\u9519\u8bef\u6216\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570});<\/pre>\n\n\n\n<p><strong>5. \u538b\u7f29<\/strong><\/p>\n\n\n\n<p>\u5229\u7528Sharp\u5e93\uff0c\u53ef\u4ee5\u538b\u7f29\u56fe\u7247\u6587\u4ef6\u5927\u5c0f\uff0c\u4f8b\u5982\u5c06\u56fe\u7247\u6587\u4ef6\u538b\u7f29\u4e3a50%\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sharp('input.png').jpeg({ quality: 50 }).toFile('output.png', (err, info) => {\/\/ \u5904\u7406\u9519\u8bef\u6216\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570});<\/pre>\n\n\n\n<p><strong>6. \u88c1\u526a<\/strong><\/p>\n\n\n\n<p>\u5229\u7528Sharp\u5e93\uff0c\u53ef\u4ee5\u88c1\u526a\u56fe\u7247\uff0c\u4f8b\u5982\u5c06\u56fe\u7247\u88c1\u526a\u4e3a400&#215;400\u50cf\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sharp('input.png').resize(800, 800).extract({ width: 400, height: 400, left: 200, top: 200 }).toFile('output.png', (err, info) => {\/\/ \u5904\u7406\u9519\u8bef\u6216\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570});<\/pre>\n\n\n\n<p><strong>7. \u65cb\u8f6c<\/strong><\/p>\n\n\n\n<p>\u5229\u7528Sharp\u5e93\uff0c\u53ef\u4ee5\u65cb\u8f6c\u56fe\u7247\uff0c\u4f8b\u5982\u5c06\u56fe\u7247\u9006\u65f6\u9488\u65cb\u8f6c90\u5ea6\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sharp('input.png').rotate(-90).toFile('output.png', (err, info) => {\/\/ \u5904\u7406\u9519\u8bef\u6216\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570});<\/pre>\n\n\n\n<p><strong>8. \u6dfb\u52a0\u6c34\u5370<\/strong><\/p>\n\n\n\n<p>\u5229\u7528Sharp\u5e93\uff0c\u53ef\u4ee5\u5728\u56fe\u7247\u4e0a\u6dfb\u52a0\u6c34\u5370\uff0c\u4f8b\u5982\u5c06\u6587\u5b57\u201cHello World\u201d\u6dfb\u52a0\u5230\u56fe\u7247\u5de6\u4e0a\u89d2\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sharp('input.png').resize(800, null).overlayWith(Buffer.from('Hello World'), { gravity: 'northwest' }).toFile('output.png', (err, info) => {\/\/ \u5904\u7406\u9519\u8bef\u6216\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570});<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u662f\u4f7f\u7528Sharp\u5e93\u7684\u57fa\u672c\u6b65\u9aa4\uff0c\u5177\u4f53\u4f7f\u7528\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<p><strong>\u91cd\u8981\uff1a\u5b89\u88c5 Tips<\/strong> \u8001\u7248\u672cnode\u5b89\u88c5sharp<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u6211\u7684node\u7248\u672c\u6bd4\u8f83\u8001\uff0c\u5b89\u88c5\u6700\u65b0\u7248\u672c\u7684sharp\u4f1a\u51fa\u9519\uff0c\u53ef\u4ee5\u5b89\u88c50.28.0\u7248\u672c\u7684sharp\nroot@e345068e1d64:\/usr\/src\/app# node -v\nv16.1.0\n\n#\u53ef\u4ee5\u5b89\u88c50.28.0\u7248\u672c\u7684sharp\n\u5b89\u88c5\u547d\u4ee4\uff1anpm install sharp@0.28.0<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#\u81ea\u5df1\u5199\u7684\u8f6c\u6362\u51fd\u6570\nasync function createThumbnail(inputFile, outputFile, width, height) {\n  await sharp(inputFile)\n    .resize(width, height)\n    .toFile(outputFile)\n    .then(() => {\n      console.log('\u7f29\u7565\u56fe\u6210\u529f');\n      return;\n    })\n    .catch(err => {\n      console.error(err);\n      copyFile('\/mnt\/face-swapper\/public\/wechat\/image-preview.jpg', outputFile);\n    });\n};<\/pre>\n\n\n\n<p><strong>\u4f7f\u7528jimp<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Jimp \u662f\u4e00\u4e2a\u7528\u4e8e Node.js \u7684\u56fe\u7247\u5904\u7406\u5e93\uff0c\u5b83\u652f\u6301\u8bfb\u53d6\u3001\u64cd\u4f5c\u548c\u4fdd\u5b58\u591a\u79cd\u683c\u5f0f\u7684\u56fe\u7247\uff0c\u6bd4\u5982 PNG\u3001JPEG\u3001BMP\u3001GIF \u7b49\u7b49\u3002Jimp\u5904\u7406\u901f\u5ea6\u8981\u6bd4sharp\u6162\u4e86\u4e0d\u5c11\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 Jimp \u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p><strong>1. \u5b89\u88c5 Jimp<\/strong><\/p>\n\n\n\n<p>\u901a\u8fc7 npm \u547d\u4ee4\u5b89\u88c5 Jimp\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">npm install jimp<\/pre>\n\n\n\n<p><strong>2. \u5f15\u5165 Jimp<\/strong><\/p>\n\n\n\n<p>\u5728\u4ee3\u7801\u4e2d\u5f15\u5165 Jimp \u6a21\u5757\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">const Jimp = require('jimp');<\/pre>\n\n\n\n<p><strong>3. \u8bfb\u53d6\u56fe\u7247<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528 Jimp.read() \u65b9\u6cd5\u8bfb\u53d6\u56fe\u7247\uff0c\u5e76\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u5904\u7406\u56fe\u7247\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Jimp.read('path\/to\/image.png', (err, image) => {if (err) throw err;\/\/ \u5bf9\u56fe\u7247\u8fdb\u884c\u64cd\u4f5c\n});<\/pre>\n\n\n\n<p><strong>4. \u64cd\u4f5c\u56fe\u7247<\/strong><\/p>\n\n\n\n<p>Jimp \u652f\u6301\u591a\u79cd\u64cd\u4f5c\uff0c\u6bd4\u5982\u8c03\u6574\u5927\u5c0f\u3001\u88c1\u526a\u3001\u65cb\u8f6c\u3001\u7f29\u653e\u3001\u6ee4\u955c\u7b49\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8c03\u6574\u5927\u5c0f\nimage.resize(200, 200)\/\/ \u88c1\u526a\nimage.crop(10, 10, 100, 100)\/\/ \u65cb\u8f6c\nimage.rotate(45)\/\/ \u7f29\u653e\nimage.scale(0.5)\/\/ \u6ee4\u955c\nimage.greyscale().blur(5)<\/pre>\n\n\n\n<p><strong>5. \u4fdd\u5b58\u56fe\u7247<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528 Jimp.write() \u65b9\u6cd5\u4fdd\u5b58\u56fe\u7247\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">image.write('path\/to\/new\/image.png', (err) => {if (err) throw err;console.log('Image saved.');\n});####\u5b8c\u6574\u4ee3\u7801\u793a\u4f8b\nconst Jimp = require('jimp');Jimp.read('path\/to\/image.png', (err, image) => {if (err) throw err;image.resize(200, 200).crop(10, 10, 100, 100).rotate(45).scale(0.5).greyscale().blur(5).write('path\/to\/new\/image.png', (err) => {if (err) throw err;console.log('Image saved.');});\n});<\/pre>\n\n\n\n<p>Tips\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#\u81ea\u5df1\u5b9a\u4e49\u7684\u5904\u7406\u51fd\u6570\nasync function createThumbnail(inputFile, outputFile, width, height) {\n\n    \/\/ \u52a0\u8f7d\u56fe\u7247\n    await Jimp.read(inputFile) \/\/ \u66ff\u6362\u4e3a\u4f60\u7684\u56fe\u7247\u8def\u5f84\n        .then(image => {\n            \/\/ \u8bbe\u7f6e\u7f29\u7565\u56fe\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\n            const thumbnailWidth = width; \/\/ \u7f29\u7565\u56fe\u7684\u5bbd\u5ea6\n            const thumbnailHeight = height; \/\/ \u7f29\u7565\u56fe\u7684\u9ad8\u5ea6\n\n            \/\/ \u521b\u5efa\u7f29\u7565\u56fe\n            return image.resize(thumbnailWidth, thumbnailHeight)\n                .quality(100) \/\/ \u8bbe\u7f6e\u56fe\u7247\u8d28\u91cf\n                .write(outputFile); \/\/ \u4fdd\u5b58\u7f29\u7565\u56fe\uff0c\u66ff\u6362\u4e3a\u4f60\u60f3\u8981\u4fdd\u5b58\u7684\u8def\u5f84\n        })\n        .catch(err => {\n\n            copyFile('\/mnt\/face-swapper\/public\/wechat\/image-preview.jpg', outputFile);\n        });\n};<\/pre>\n\n\n\n<p><strong>\u4f7f\u7528webconvert<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>WebP\u662f\u4e00\u79cd\u56fe\u50cf\u6587\u4ef6\u683c\u5f0f\uff0c\u7531Google\u5f00\u53d1\u3002\u5b83\u65e8\u5728\u63d0\u4f9b\u66f4\u9ad8\u7684\u56fe\u50cf\u538b\u7f29\u7387\u548c\u66f4\u597d\u7684\u56fe\u50cf\u8d28\u91cf\uff0c\u4ee5\u66ff\u4ee3\u4f20\u7edf\u7684PNG\u3001JPEG\u548cGIF\u7b49\u683c\u5f0f\u3002WebP\u683c\u5f0f\u4f7f\u7528\u4e86\u5148\u8fdb\u7684\u538b\u7f29\u7b97\u6cd5\uff0c\u53ef\u663e\u8457\u51cf\u5c0f\u56fe\u50cf\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u540c\u65f6\u4fdd\u6301\u8f83\u9ad8\u7684\u89c6\u89c9\u8d28\u91cf\u3002\u5c3d\u7ba1WebP\u683c\u5f0f\u5728\u6027\u80fd\u548c\u538b\u7f29\u65b9\u9762\u5177\u6709\u4f18\u52bf\uff0c\u4f46\u76ee\u524d\u5e76\u4e0d\u662f\u6240\u6709\u7684\u6d4f\u89c8\u5668\u548c\u64cd\u4f5c\u7cfb\u7edf\u90fd\u652f\u6301\u8be5\u683c\u5f0f\u3002\u56e0\u6b64\uff0c\u5c06WebP\u683c\u5f0f\u8f6c\u6362\u4e3aPNG\u683c\u5f0f\u53ef\u4ee5\u786e\u4fdd\u56fe\u50cf\u5728\u5404\u79cd\u5e73\u53f0\u548c\u8bbe\u5907\u4e0a\u5f97\u5230\u826f\u597d\u7684\u652f\u6301\u548c\u5c55\u793a\u3002\u4e0d\u540c\u6d4f\u89c8\u5668\u5bf9WebP\u683c\u5f0f\u7684\u652f\u6301\u7a0b\u5ea6\u4e0d\u540c\u3002\u6709\u4e9b\u6d4f\u89c8\u5668\u53ef\u4ee5\u539f\u751f\u652f\u6301WebP\u683c\u5f0f\uff0c\u800c\u53e6\u4e00\u4e9b\u5219\u9700\u8981\u901a\u8fc7\u7279\u5b9a\u7684\u63d2\u4ef6\u6216\u6269\u5c55\u6765\u5b9e\u73b0\u3002\u5c06WebP\u683c\u5f0f\u8f6c\u6362\u4e3aPNG\u683c\u5f0f\u53ef\u4ee5\u6d88\u9664\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u786e\u4fdd\u56fe\u50cf\u5728\u6240\u6709\u4e3b\u6d41\u6d4f\u89c8\u5668\u4e2d\u90fd\u80fd\u6b63\u5e38\u663e\u793a\uff0c\u964d\u4f4e\u7528\u6237\u7684\u4f7f\u7528\u95e8\u69db\u3002\u8f6c\u6362WebP\u5230PNG\u683c\u5f0f\u53ef\u4ee5\u786e\u4fdd\u539f\u59cb\u56fe\u50cf\u7684\u8d28\u91cf\u5f97\u5230\u4fdd\u7559\u3002<\/p>\n\n\n\n<p>\u5728\u540c\u7b49\u8d28\u91cf\u4e0b\uff0cWebP\u683c\u5f0f\u56fe\u50cf\u7684\u4f53\u79ef\u8981\u6bd4JPEG\u683c\u5f0f\u56fe\u50cf\u5c0f40%\u3002\u76ee\u524d\u4e92\u8054\u7f51\u7684\u6d41\u91cf\u4e2d\u670965%\u4e3a\u56fe\u7247\uff0c\u8fd9\u610f\u5473\u5982\u679cGoogle\u8ba9WebP\u683c\u5f0f\u5f97\u5230\u666e\u53ca\u7684\u8bdd\uff0c\u6d4f\u89c8\u7f51\u9875\u7684\u901f\u5ea6\u5c06\u5927\u5e45\u63d0\u5347\u3002<\/p>\n\n\n\n<p>1. \u5b89\u88c5 Node.js \u548c npm\uff08\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u5b89\u88c5\u7684\u8bdd\uff09\u3002<\/p>\n\n\n\n<p>2. \u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u754c\u9762\uff0c\u4f7f\u7528 npm \u5b89\u88c5 webpconvert\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">npm install -g webp-convert<\/pre>\n\n\n\n<p>3. \u8f6c\u6362\u4e00\u5f20\u56fe\u7247\u683c\u5f0f\u4e3a WebP \u683c\u5f0f\u7684\u547d\u4ee4\u884c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">npm install -g webp-convert<\/pre>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u6709\u4e00\u5f20\u540d\u4e3a &#8220;example.png&#8221; \u7684 PNG \u56fe\u7247\uff0c\u5c06\u5b83\u8f6c\u6362\u4e3a WebP \u683c\u5f0f\u5e76\u8f93\u51fa\u5230 &#8220;example.webp&#8221;\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">webpconvert example.png example.webp<\/pre>\n\n\n\n<p>4. \u6839\u636e\u9700\u8981\uff0c\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e9b\u9009\u9879\u6765\u8c03\u6574\u8f6c\u6362\u7684\u8d28\u91cf\u548c\u5927\u5c0f\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p>&#8211; \u8c03\u6574\u8f93\u51fa\u56fe\u7247\u8d28\u91cf\u7b49\u7ea7\uff1a\u4f7f\u7528 &#8220;-q&#8221; \u6216 &#8220;&#8211;quality&#8221; \u9009\u9879\uff0c\u5e76\u6307\u5b9a\u4e00\u4e2a\u4ecb\u4e8e 0 \u5230 100 \u4e4b\u95f4\u7684\u6570\u5b57\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">webpconvert example.png example.webp -q 80<\/pre>\n\n\n\n<p>&#8211; \u8c03\u6574\u8f93\u51fa\u56fe\u7247\u5927\u5c0f\uff1a\u4f7f\u7528 &#8220;-r&#8221; \u6216 &#8220;&#8211;resize&#8221; \u9009\u9879\uff0c\u5e76\u6307\u5b9a\u4e00\u4e2a\u767e\u5206\u6bd4\u6216\u50cf\u7d20\u503c\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">webpconvert example.png example.webp -r 50%<\/pre>\n\n\n\n<p>&#8211; \u8f6c\u6362\u56fe\u7247\u5e76\u81ea\u52a8\u66ff\u6362\u539f\u6587\u4ef6\uff08\u9700\u4f7f\u7528 &#8220;-o&#8221; \u6216 &#8220;&#8211;overwrite&#8221; \u9009\u9879\uff09\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">webpconvert example.png -o<\/pre>\n\n\n\n<p>\u66f4\u591a\u9009\u9879\u548c\u7528\u6cd5\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c &#8220;webpconvert &#8211;help&#8221; \u547d\u4ee4\u6765\u67e5\u770b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528sharp sharp \u662f Node.js \u5e73\u53f0\u4e0a\u76f8\u5f53\u70ed\u95e8\u7684\u4e00\u4e2a\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u5176\u5b9e\u9645\u4e0a\u662f\u57fa\u4e8e C \u8bed\u8a00\u7f16\u5199  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16102"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16102"}],"version-history":[{"count":3,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16102\/revisions"}],"predecessor-version":[{"id":16106,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16102\/revisions\/16106"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}