{"id":140,"date":"2025-03-28T09:56:41","date_gmt":"2025-03-28T01:56:41","guid":{"rendered":"https:\/\/blog.eo2suite.cn\/?p=140"},"modified":"2025-03-28T10:00:28","modified_gmt":"2025-03-28T02:00:28","slug":"%e6%80%a1%e6%b0%a7%e6%a1%8c%e9%9d%a2%e7%ab%af-office-%e6%96%87%e6%a1%a3%e4%b8%ad%e7%9a%84%e5%9b%be%e7%89%87%e5%8e%8b%e7%bc%a9%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/blog.eo2suite.cn\/?p=140","title":{"rendered":"\u6021\u6c27\u684c\u9762\u7aef Office \u6587\u6863\u4e2d\u7684\u56fe\u7247\u538b\u7f29\u5b9e\u73b0"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5f15\u8a00<\/h2>\n\n\n\n<p>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u529e\u516c\u73af\u5883\u4e2d\uff0cOffice \u6587\u6863\u5df2\u6210\u4e3a\u4f01\u4e1a\u65e5\u5e38\u534f\u4f5c\u7684\u91cd\u8981\u8f7d\u4f53\u3002\u968f\u7740\u9ad8\u6e05\u56fe\u7247\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u6587\u6863\u4e2d\u7684\u56fe\u7247\u4e0d\u4ec5\u4e30\u5bcc\u4e86\u8868\u8fbe\u5185\u5bb9\uff0c\u63d0\u5347\u4e86\u6587\u6863\u7684\u53ef\u8bfb\u6027\u548c\u4e13\u4e1a\u6027\uff0c\u4f46\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u4e00\u7cfb\u5217\u6280\u672f\u6311\u6218\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b58\u50a8\u8d1f\u62c5<\/strong>\uff1a\u5927\u91cf\u9ad8\u6e05\u56fe\u7247\u4f1a\u663e\u8457\u589e\u52a0\u6587\u6863\u4f53\u79ef\uff0c\u5360\u7528\u4f01\u4e1a\u5b9d\u8d35\u7684\u5b58\u50a8\u8d44\u6e90<\/li>\n\n\n\n<li>\u5355\u5f20\u9ad8\u6e05\u56fe\u7247\u53ef\u80fd\u8fbe\u5230\u6570 MB \u5927\u5c0f<\/li>\n\n\n\n<li>\u4e00\u4efd\u6587\u6863\u52a8\u8f84\u5305\u542b\u6570\u5341\u5f20\u56fe\u7247<\/li>\n\n\n\n<li>\u4f01\u4e1a\u7ea7\u5b58\u50a8\u6210\u672c\u5c45\u9ad8\u4e0d\u4e0b<\/li>\n\n\n\n<li><strong>\u4f20\u8f93\u6548\u7387<\/strong>\uff1a\u8fc7\u5927\u7684\u6587\u4ef6\u4f1a\u5f71\u54cd\u6587\u6863\u7684\u4e0a\u4f20\u4e0b\u8f7d\u901f\u5ea6<\/li>\n\n\n\n<li>\u7f51\u7edc\u5e26\u5bbd\u53d7\u9650\u65f6\u4e0b\u8f7d\u7f13\u6162<\/li>\n\n\n\n<li>\u79fb\u52a8\u529e\u516c\u573a\u666f\u4e0b\u4f53\u9a8c\u66f4\u5dee<\/li>\n\n\n\n<li>\u591a\u4eba\u540c\u65f6\u8bbf\u95ee\u65f6\u670d\u52a1\u5668\u538b\u529b\u5927<\/li>\n\n\n\n<li><strong>\u534f\u4f5c\u4f53\u9a8c<\/strong>\uff1a\u6587\u6863\u52a0\u8f7d\u7f13\u6162\u4f1a\u5f71\u54cd\u591a\u4eba\u534f\u4f5c\u6548\u7387<\/li>\n\n\n\n<li>\u6253\u5f00\u5927\u6587\u6863\u8017\u65f6\u957f<\/li>\n\n\n\n<li>\u9875\u9762\u6e32\u67d3\u5361\u987f<\/li>\n\n\n\n<li>\u5b9e\u65f6\u534f\u4f5c\u5ef6\u8fdf\u9ad8<\/li>\n\n\n\n<li>\u5f71\u54cd\u56e2\u961f\u5de5\u4f5c\u6548\u7387<\/li>\n\n\n\n<li><strong>\u7248\u672c\u7ba1\u7406<\/strong>\uff1a\u5927\u4f53\u79ef\u6587\u6863\u7684\u7248\u672c\u63a7\u5236\u4e5f\u9762\u4e34\u6311\u6218<\/li>\n\n\n\n<li>\u5360\u7528\u66f4\u591a\u7248\u672c\u5b58\u50a8\u7a7a\u95f4<\/li>\n\n\n\n<li>\u5386\u53f2\u7248\u672c\u5bf9\u6bd4\u8017\u65f6\u589e\u52a0<\/li>\n\n\n\n<li>\u6587\u6863\u5907\u4efd\u6210\u672c\u63d0\u9ad8<\/li>\n<\/ul>\n\n\n\n<p>\u4e3a\u4e86\u4f18\u5316\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u5728\u6021\u6c27\u684c\u9762\u7aef\u4e2d\u5f00\u53d1\u4e86\u667a\u80fd\u56fe\u7247\u538b\u7f29\u529f\u80fd\u3002\u8be5\u529f\u80fd\u53ef\u4ee5\u5728\u4fdd\u8bc1\u56fe\u7247\u89c6\u89c9\u8d28\u91cf\u7684\u524d\u63d0\u4e0b\uff0c\u6709\u6548\u964d\u4f4e\u6587\u6863\u4f53\u79ef\uff0c\u63d0\u5347\u534f\u4f5c\u6548\u7387\u3002\u672c\u6587\u5c06\u4ece\u6280\u672f\u9009\u578b\u3001\u538b\u7f29\u7b56\u7565\u3001\u6027\u80fd\u4f18\u5316\u7b49\u591a\u4e2a\u7ef4\u5ea6\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e00\u529f\u80fd\u7684\u8bbe\u8ba1\u601d\u8def\u548c\u5b9e\u73b0\u7ec6\u8282\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u672f\u65b9\u6848\u6982\u8ff0<\/h2>\n\n\n\n<p>\u6211\u4eec\u7684\u6280\u672f\u9009\u578b\u4e3b\u8981\u57fa\u4e8e\u4ee5\u4e0b\u8003\u8651\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Sharp<\/strong>\uff1a\u9009\u62e9 <a href=\"https:\/\/sharp.pixelplumbing.com\/\">Sharp<\/a> \u4f5c\u4e3a\u6838\u5fc3\u56fe\u50cf\u5904\u7406\u5e93<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u57fa\u4e8e libvips \u5b9e\u73b0\uff0cC++ \u5e95\u5c42\u4fdd\u8bc1\u9ad8\u6027\u80fd<\/li>\n\n\n\n<li>\u5185\u5b58\u5360\u7528\u4f4e\uff0c\u9002\u5408\u6279\u91cf\u5904\u7406<\/li>\n\n\n\n<li>\u652f\u6301\u4e3b\u6d41\u56fe\u7247\u683c\u5f0f\uff0c\u538b\u7f29\u6548\u679c\u4f18\u5f02<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Electron Utility Process<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06 CPU \u5bc6\u96c6\u578b\u7684\u538b\u7f29\u4efb\u52a1\u9694\u79bb\u5230\u72ec\u7acb\u8fdb\u7a0b<\/li>\n\n\n\n<li>\u907f\u514d\u963b\u585e\u4e3b\u8fdb\u7a0b\uff0c\u4fdd\u8bc1\u754c\u9762\u54cd\u5e94\u6d41\u7545<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>p-limit<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u667a\u80fd\u63a7\u5236\u5e76\u53d1\u4efb\u52a1\u6570\u91cf<\/li>\n\n\n\n<li>\u4f18\u5316\u7cfb\u7edf\u8d44\u6e90\u5229\u7528<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u538b\u7f29\u7b56\u7565\u8be6\u89e3<\/h2>\n\n\n\n<p>\u5728\u6021\u6c27\u684c\u9762\u7aef\u4e2d\uff0c\u6211\u4eec\u4e3b\u8981\u5904\u7406 JPEG \u548c PNG \u8fd9\u4e24\u79cd\u6700\u5e38\u89c1\u7684\u56fe\u7247\u683c\u5f0f\u3002\u9488\u5bf9\u4e0d\u540c\u7684\u683c\u5f0f\uff0c\u6211\u4eec\u91c7\u7528\u4e86\u4e0d\u540c\u7684\u538b\u7f29\u7b56\u7565\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JPEG \u538b\u7f29\u7b56\u7565<\/h3>\n\n\n\n<p>JPEG \u683c\u5f0f\u4e3b\u8981\u7528\u4e8e\u7167\u7247\u7b49\u8272\u5f69\u4e30\u5bcc\u7684\u56fe\u50cf\uff0c\u6211\u4eec\u91c7\u7528\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8d28\u91cf\u63a7\u5236<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ed8\u8ba4\u8d28\u91cf\u503c\u8bbe\u7f6e\u4e3a 75<\/li>\n\n\n\n<li>\u901a\u8fc7 <code>estimateQuality<\/code> \u51fd\u6570\u8bc4\u4f30\u539f\u56fe\u8d28\u91cf<\/li>\n\n\n\n<li>\u538b\u7f29\u540e\u7684\u8d28\u91cf\u4e0d\u8d85\u8fc7\u539f\u56fe\u8d28\u91cf<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f18\u5316\u9009\u9879<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u542f\u7528 mozjpeg \u4f18\u5316<\/li>\n\n\n\n<li>\u4fdd\u7559\u91cd\u8981\u7684\u5143\u6570\u636e\u4fe1\u606f<\/li>\n\n\n\n<li>\u79fb\u9664\u4e0d\u5fc5\u8981\u7684\u989c\u8272\u914d\u7f6e\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>async function compressJPEG(buffer: Buffer, qualityFactor: number) {\n  const originalQuality = await estimateQuality(buffer);\n  const targetQuality = Math.min(75, originalQuality);\n\n  return sharp(buffer)\n    .jpeg({\n      quality: Math.round(targetQuality * qualityFactor),\n      mozjpeg: true,\n    })\n    .toBuffer();\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8981\u8bc4\u4f30\u539f\u56fe\u8d28\u91cf\uff1f<\/h4>\n\n\n\n<p>\u5728\u56fe\u7247\u538b\u7f29\u8fc7\u7a0b\u4e2d\uff0c\u8bc4\u4f30\u539f\u56fe\u8d28\u91cf\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6b65\u9aa4\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u539f\u56e0\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u907f\u514d\u8fc7\u5ea6\u538b\u7f29<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u539f\u56fe\u5df2\u7ecf\u7ecf\u8fc7\u538b\u7f29\uff08\u6bd4\u5982\u8d28\u91cf\u503c\u4e3a 60\uff09\uff0c\u518d\u4f7f\u7528\u66f4\u9ad8\u7684\u8d28\u91cf\u503c\uff08\u5982 75\uff09\u8fdb\u884c\u538b\u7f29\u53cd\u800c\u4f1a\u589e\u52a0\u6587\u4ef6\u5927\u5c0f<\/li>\n\n\n\n<li>\u901a\u8fc7\u8bc4\u4f30\u539f\u56fe\u8d28\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u538b\u7f29\u540e\u7684\u8d28\u91cf\u4e0d\u4f1a\u8d85\u8fc7\u539f\u56fe\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6587\u4ef6\u4f53\u79ef\u589e\u52a0<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u667a\u80fd\u8d28\u91cf\u63a7\u5236<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>JPEG \u56fe\u7247\u7684\u8d28\u91cf\u503c\u8303\u56f4\u662f 0-100<\/li>\n\n\n\n<li>\u901a\u8fc7\u5206\u6790\u91cf\u5316\u8868\uff08Quantization Tables\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u4f30\u7b97\u51fa\u539f\u56fe\u7684\u538b\u7f29\u8d28\u91cf<\/li>\n\n\n\n<li>\u8fd9\u6837\u53ef\u4ee5\u6839\u636e\u539f\u56fe\u8d28\u91cf\u52a8\u6001\u8c03\u6574\u538b\u7f29\u53c2\u6570\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u5730\u4f7f\u7528\u56fa\u5b9a\u503c<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4fdd\u6301\u56fe\u7247\u8d28\u91cf\u5e73\u8861<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8e\u5df2\u7ecf\u9ad8\u5ea6\u538b\u7f29\u7684\u56fe\u7247\uff0c\u7ee7\u7eed\u538b\u7f29\u53ef\u80fd\u4f1a\u5bfc\u81f4\u660e\u663e\u7684\u8d28\u91cf\u635f\u5931<\/li>\n\n\n\n<li>\u901a\u8fc7\u8bc4\u4f30\u539f\u56fe\u8d28\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6587\u4ef6\u5927\u5c0f\u548c\u89c6\u89c9\u8d28\u91cf\u4e4b\u95f4\u627e\u5230\u66f4\u597d\u7684\u5e73\u8861\u70b9<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u8d28\u91cf\u8bc4\u4f30\u7684\u5b9e\u73b0\u539f\u7406<\/h4>\n\n\n\n<p>\u6211\u4eec\u901a\u8fc7\u5206\u6790 JPEG \u6587\u4ef6\u7684\u91cf\u5316\u8868\u6765\u4f30\u7b97\u56fe\u7247\u8d28\u91cf\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u51c6\u91cf\u5316\u8868<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 JPEG \u6807\u51c6\u4e2d\u5b9a\u4e49\u7684\u57fa\u51c6\u4eae\u5ea6\u91cf\u5316\u8868\uff08\u8d28\u91cf\u503c 50\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6bd4\u8f83\u7b97\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63d0\u53d6\u56fe\u7247\u4e2d\u7684\u91cf\u5316\u8868<\/li>\n\n\n\n<li>\u5c06\u5b9e\u9645\u91cf\u5316\u8868\u4e0e\u57fa\u51c6\u8868\u8fdb\u884c\u6bd4\u8f83<\/li>\n\n\n\n<li>\u8ba1\u7b97\u7f29\u653e\u56e0\u5b50\u5e76\u4f7f\u7528\u7ecf\u9a8c\u516c\u5f0f\u4f30\u7b97\u8d28\u91cf\u503c<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8d28\u91cf\u8ba1\u7b97<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u7f29\u653e\u56e0\u5b50\u5c0f\u4e8e 1 \u65f6\uff0c\u8868\u793a\u8d28\u91cf\u4f4e\u4e8e 50<\/li>\n\n\n\n<li>\u5f53\u7f29\u653e\u56e0\u5b50\u5927\u4e8e 1 \u65f6\uff0c\u8868\u793a\u8d28\u91cf\u9ad8\u4e8e 50<\/li>\n\n\n\n<li>\u6700\u7ec8\u7ed3\u679c\u88ab\u9650\u5236\u5728 0-100 \u8303\u56f4\u5185<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u65b9\u6cd5\u8ba9\u6211\u4eec\u80fd\u591f\u667a\u80fd\u5730\u63a7\u5236\u538b\u7f29\u8fc7\u7a0b\uff0c\u907f\u514d\u538b\u7f29\u540e\u6587\u4ef6\u53d8\u5927\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PNG \u538b\u7f29\u7b56\u7565<\/h3>\n\n\n\n<p>PNG \u683c\u5f0f\u5e38\u7528\u4e8e\u9700\u8981\u900f\u660e\u5ea6\u7684\u56fe\u50cf\u548c\u56fe\u6807\uff0c\u538b\u7f29\u7b56\u7565\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u6700\u9ad8\u538b\u7f29\u7ea7\u522b\uff08level 9\uff09<\/li>\n\n\n\n<li>\u542f\u7528\u8c03\u8272\u677f\u6a21\u5f0f<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u4f7f\u7528\u8c03\u8272\u677f\u6a21\u5f0f\uff1f<\/h4>\n\n\n\n<p>\u8c03\u8272\u677f\u6a21\u5f0f\uff08Palette Mode\uff09\u662f PNG \u683c\u5f0f\u4e2d\u4e00\u79cd\u91cd\u8981\u7684\u4f18\u5316\u6280\u672f\uff0c\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u5b58\u50a8\u4f18\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20\u7edf PNG \u4f7f\u7528 RGB\/RGBA \u6a21\u5f0f\uff0c\u6bcf\u4e2a\u50cf\u7d20\u9700\u8981 3-4 \u4e2a\u5b57\u8282<\/li>\n\n\n\n<li>\u8c03\u8272\u677f\u6a21\u5f0f\u5c06\u989c\u8272\u4fe1\u606f\u5b58\u50a8\u5728\u4e00\u4e2a\u67e5\u627e\u8868\u4e2d<\/li>\n\n\n\n<li>\u6bcf\u4e2a\u50cf\u7d20\u53ea\u9700\u8981\u4e00\u4e2a\u7d22\u5f15\u503c\uff08\u901a\u5e38\u662f 1 \u4e2a\u5b57\u8282\uff09\u6765\u5f15\u7528\u989c\u8272\u8868<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9002\u7528\u573a\u666f<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8e\u989c\u8272\u6570\u91cf\u6709\u9650\u7684\u56fe\u50cf\uff08\u5982\u56fe\u6807\u3001Logo\uff09\u6548\u679c\u6700\u4f73<\/li>\n\n\n\n<li>\u5f53\u56fe\u50cf\u4e2d\u91cd\u590d\u989c\u8272\u8f83\u591a\u65f6\uff0c\u53ef\u663e\u8457\u51cf\u5c0f\u6587\u4ef6\u5927\u5c0f<\/li>\n\n\n\n<li>\u7279\u522b\u9002\u5408\u6241\u5e73\u5316\u8bbe\u8ba1\u7684 UI \u5143\u7d20<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u538b\u7f29\u6548\u7387<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51cf\u5c11\u4e86\u50cf\u7d20\u6570\u636e\u7684\u5b58\u50a8\u7a7a\u95f4<\/li>\n\n\n\n<li>\u63d0\u9ad8\u4e86 DEFLATE \u7b97\u6cd5\u7684\u538b\u7f29\u6548\u7387<\/li>\n\n\n\n<li>\u53ef\u4ee5\u5728\u4fdd\u6301\u89c6\u89c9\u8d28\u91cf\u7684\u540c\u65f6\u5927\u5e45\u51cf\u5c0f\u6587\u4ef6\u4f53\u79ef<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u667a\u80fd\u8f6c\u6362<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sharp \u5e93\u4f1a\u81ea\u52a8\u8bc4\u4f30\u662f\u5426\u9002\u5408\u4f7f\u7528\u8c03\u8272\u677f\u6a21\u5f0f<\/li>\n\n\n\n<li>\u5982\u679c\u989c\u8272\u8fc7\u591a\uff0c\u4f1a\u81ea\u52a8\u964d\u7ea7\u5230\u6807\u51c6 RGB\/RGBA \u6a21\u5f0f<\/li>\n\n\n\n<li>\u786e\u4fdd\u6700\u7ec8\u8f93\u51fa\u7684\u56fe\u50cf\u8d28\u91cf<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u7528\u4f18\u5316\u7b56\u7565<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u6240\u6709\u56fe\u7247\u683c\u5f0f\uff0c\u6211\u4eec\u90fd\u91c7\u7528\u4ee5\u4e0b\u901a\u7528\u7b56\u7565\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9608\u503c\u63a7\u5236<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u6700\u5c0f\u538b\u7f29\u9608\u503c\uff0850KB\uff09<\/li>\n\n\n\n<li>\u53ea\u5728\u538b\u7f29\u6548\u679c\u663e\u8457\u65f6\u624d\u4fdd\u5b58<\/li>\n\n\n\n<li>\u907f\u514d\u8fc7\u5ea6\u538b\u7f29<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6027\u80fd\u4f18\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 Utility Process \u5904\u7406\u538b\u7f29\u4efb\u52a1<\/li>\n\n\n\n<li>\u6839\u636e CPU \u6838\u5fc3\u6570\u63a7\u5236\u5e76\u53d1<\/li>\n\n\n\n<li>\u6279\u91cf\u5904\u7406\u65f6\u5206\u6279\u6267\u884c<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5e76\u53d1\u63a7\u5236\u5b9e\u73b0<\/h4>\n\n\n\n<p>\u5728\u5904\u7406\u5927\u91cf\u56fe\u7247\u65f6\uff0c\u6211\u4eec\u4f7f\u7528 <code>p-limit<\/code> \u5e93\u6765\u63a7\u5236\u5e76\u53d1\u4efb\u52a1\u6570\u91cf\u3002\u5177\u4f53\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u52a8\u6001\u5e76\u53d1\u6570\u8bbe\u7f6e<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6839\u636e CPU \u6838\u5fc3\u6570\u786e\u5b9a\u5e76\u53d1\u6570\nconst concurrency = Math.max(os.cpus().length - 1, 1);\nconst limit = pLimit(concurrency);<\/code><\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4efb\u52a1\u961f\u5217\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5c06\u6240\u6709\u56fe\u7247\u538b\u7f29\u4efb\u52a1\u6620\u5c04\u4e3a\u9650\u5236\u5e76\u53d1\u7684 Promise\nconst tasks = images.map((image) =&gt;\n  limit(async () =&gt; {\n    try {\n      const imageBuffer = await readFile(image);\n      \/\/ ... \u538b\u7f29\u5904\u7406\u903b\u8f91 ...\n\n      completed++;\n      \/\/ \u66f4\u65b0\u8fdb\u5ea6\n      const progressPercentage = Math.round((completed \/ totalImages) * 100);\n      process.parentPort.postMessage({\n        type: 'loading',\n        payload: {\n          progress: `${progressPercentage}%`,\n        },\n      });\n\n      return sizeReduction;\n    } catch (error) {\n      console.error(`Error processing ${image}:`, error);\n      return 0;\n    }\n  })\n);<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u6211\u4eec\u5728\u6021\u6c27\u684c\u9762\u7aef\u91cc\u505a\u4e86\u4e2a\u633a\u5b9e\u7528\u7684\u529f\u80fd &#8211; Office \u6587\u6863\u56fe\u7247\u538b\u7f29\u3002\u8fd9\u4e2a\u529f\u80fd\u76f4\u63a5\u5e2e\u7528\u6237\u89e3\u51b3\u4e86\u6587\u6863\u592a\u5927\u3001\u6253\u5f00\u6162\u7684\u95ee\u9898\uff0c\u8ba9\u5927\u5bb6\u534f\u4f5c\u8d77\u6765\u66f4\u987a\u7545\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u94fe\u63a5<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/sharp.pixelplumbing.com\/\">Sharp &#8211; High performance Node.js image processing<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.electronjs.org\/docs\/latest\/tutorial\/process-model#utility-process\">Electron Utility Process &#8211; \u5b9e\u7528\u7a0b\u5e8f\u8fdb\u7a0b<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/sindresorhus\/p-limit\">p-limit &#8211; Run multiple promise-returning &amp; async functions with limited concurrency<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5728\u5f53\u4eca\u6570\u5b57\u5316\u529e\u516c\u73af\u5883\u4e2d\uff0cOffice \u6587\u6863\u5df2\u6210\u4e3a\u4f01\u4e1a\u65e5\u5e38\u534f\u4f5c\u7684\u91cd\u8981\u8f7d\u4f53\u3002\u968f\u7740\u9ad8\u6e05\u56fe\u7247\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u6587\u6863\u4e2d\u7684 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-140","post","type-post","status-publish","format-standard","hentry","category-technology-sharing"],"_links":{"self":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts\/140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=140"}],"version-history":[{"count":2,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts\/140\/revisions"}],"predecessor-version":[{"id":147,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts\/140\/revisions\/147"}],"wp:attachment":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}