{"id":67972,"date":"2023-12-31T15:47:24","date_gmt":"2023-12-31T07:47:24","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=67972"},"modified":"2023-12-31T15:47:27","modified_gmt":"2023-12-31T07:47:27","slug":"dpi%e5%92%8cppi%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/67972.html","title":{"rendered":"dpi\u548cppi\u7684\u533a\u522b"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>dpi\uff08dots per inch\uff09\u548cppi\uff08pixels per inch\uff09\u662f\u8861\u91cf\u56fe\u50cf\u6e05\u6670\u5ea6\u7684\u4e24\u4e2a\u91cd\u8981\u53c2\u6570\u3002\u4e24\u8005\u7684\u533a\u522b\u5305\u62ec\uff1a1.\u5b9a\u4e49\u4e0d\u540c\uff1b2.\u5e94\u7528\u9886\u57df\u4e0d\u540c\uff1b3.\u8ba1\u7b97\u65b9\u5f0f\u4e0d\u540c\uff1b4.\u5bf9\u56fe\u50cf\u8d28\u91cf\u7684\u5f71\u54cd\u4e0d\u540c\u3002dpi\u901a\u5e38\u7528\u4e8e\u6253\u5370\u9886\u57df\uff0c\u8861\u91cf\u6253\u5370\u673a\u8f93\u51fa\u7684\u70b9\u5bc6\u5ea6\uff0c\u800cppi\u5219\u5173\u6ce8\u5c4f\u5e55\u663e\u793a\u7684\u50cf\u7d20\u5bc6\u5ea6\u3002\u4e86\u89e3\u4e8c\u8005\u7684\u533a\u522b\u5bf9\u4e8e\u56fe\u50cf\u8bbe\u8ba1\u548c\u6253\u5370\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u5b9a\u4e49\u4e0d\u540c<\/h2>\n\n\n\n<p>dpi\uff0c\u5373\u6bcf\u82f1\u5bf8\u70b9\u6570\uff0c\u662f\u6307\u5728\u6253\u5370\u8f93\u51fa\u4e2d\uff0c\u6bcf\u82f1\u5bf8\u53ef\u4ee5\u6253\u5370\u591a\u5c11\u4e2a\u70b9\u3002\u8fd9\u662f\u8861\u91cf\u6253\u5370\u673a\u8f93\u51fa\u8d28\u91cf\u7684\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cppi\uff0c\u5373\u6bcf\u82f1\u5bf8\u50cf\u7d20\u6570\uff0c\u63cf\u8ff0\u7684\u662f\u5c4f\u5e55\u4e0a\u6bcf\u82f1\u5bf8\u5185\u5305\u542b\u7684\u50cf\u7d20\u6570\u91cf\u3002ppi\u66f4\u591a\u5730\u7528\u4e8e\u7535\u5b50\u5c4f\u5e55\u548c\u6570\u5b57\u56fe\u50cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u5e94\u7528\u9886\u57df\u4e0d\u540c<\/h2>\n\n\n\n<p>dpi\u4e3b\u8981\u7528\u4e8e\u6253\u5370\u673a\u548c\u626b\u63cf\u4eea\uff0c\u662f\u8861\u91cf\u6253\u5370\u8f93\u51fa\u8d28\u91cf\u7684\u5173\u952e\u6307\u6807\u3002\u9ad8dpi\u503c\u610f\u5473\u7740\u66f4\u7ec6\u81f4\u3001\u66f4\u6e05\u6670\u7684\u6253\u5370\u56fe\u50cf\u3002\u800cppi\u5219\u662f\u63cf\u8ff0\u7535\u5b50\u5c4f\u5e55\u7684\u5206\u8fa8\u7387\uff0c\u5982\u624b\u673a\u3001\u7535\u8111\u663e\u793a\u5c4f\u7b49\uff0cppi\u503c\u9ad8\u4ee3\u8868\u5c4f\u5e55\u663e\u793a\u66f4\u52a0\u7ec6\u817b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u8ba1\u7b97\u65b9\u5f0f\u4e0d\u540c<\/h2>\n\n\n\n<p>dpi\u7684\u8ba1\u7b97\u4f9d\u636e\u662f\u6bcf\u82f1\u5bf8\u4e2d\u7684\u6253\u5370\u70b9\u6570\u3002\u4f8b\u5982\uff0c300dpi\u8868\u793a\u6bcf\u82f1\u5bf8\u4e2d\u6709300\u4e2a\u6253\u5370\u70b9\u3002ppi\u7684\u8ba1\u7b97\u5219\u662f\u57fa\u4e8e\u5c4f\u5e55\u5206\u8fa8\u7387\u548c\u5c4f\u5e55\u5c3a\u5bf8\uff0c\u8ba1\u7b97\u516c\u5f0f\u662f\u5c06\u5c4f\u5e55\u7684\u6c34\u5e73\u548c\u5782\u76f4\u50cf\u7d20\u6570\u5e73\u65b9\u548c\u5f00\u6839\u53f7\u540e\u9664\u4ee5\u5c4f\u5e55\u5bf9\u89d2\u7ebf\u957f\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u5bf9\u56fe\u50cf\u8d28\u91cf\u7684\u5f71\u54cd<\/h2>\n\n\n\n<p>dpi\u9ad8\u7684\u6253\u5370\u8f93\u51fa\u901a\u5e38\u610f\u5473\u7740\u56fe\u50cf\u66f4\u6e05\u6670\u3001\u7ec6\u8282\u66f4\u4e30\u5bcc\u3002\u800c\u5728\u7535\u5b50\u5c4f\u5e55\u4e0a\uff0cppi\u8d8a\u9ad8\uff0c\u56fe\u50cf\u8d8a\u6e05\u6670\uff0c\u50cf\u7d20\u8d8a\u4e0d\u6613\u88ab\u5bdf\u89c9\u3002\u4e24\u8005\u90fd\u5bf9\u6700\u7ec8\u56fe\u50cf\u7684\u8d28\u91cf\u6709\u91cd\u8981\u5f71\u54cd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u5728\u56fe\u50cf\u5904\u7406\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n<p>\u5728\u56fe\u50cf\u5904\u7406\u4e2d\uff0c\u7406\u89e3dpi\u548cppi\u7684\u533a\u522b\u5c24\u4e3a\u91cd\u8981\u3002\u8bbe\u8ba1\u5e08\u5728\u521b\u5efa\u56fe\u50cf\u65f6\u9700\u8981\u6839\u636e\u6700\u7ec8\u8f93\u51fa\u7684\u65b9\u5f0f\uff08\u6253\u5370\u6216\u7535\u5b50\u663e\u793a\uff09\u6765\u9009\u62e9\u5408\u9002\u7684dpi\u6216ppi\u503c\u3002\u4f8b\u5982\uff0c\u4e3a\u4e86\u83b7\u5f97\u9ad8\u8d28\u91cf\u7684\u6253\u5370\u8f93\u51fa\uff0c\u901a\u5e38\u9700\u8981\u66f4\u9ad8\u7684dpi\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. 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class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p>\u7406\u89e3dpi\u548cppi\u7684\u533a\u522b\u5bf9\u4e8e\u56fe\u50cf\u8bbe\u8ba1\u3001\u6253\u5370\u548c\u5c4f\u5e55\u663e\u793a\u90fd\u81f3\u5173\u91cd\u8981\u3002\u6b63\u786e\u7684\u5e94\u7528\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u56fe\u50cf\u8d28\u91cf\u548c\u89c2\u770b\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p><img fetchpriority=\"high\" decoding=\"async\" width=\"484\" height=\"300\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/12\/285369-dpi\u548cppi\u7684\u533a\u522b.png?x-oss-process=image\/auto-orient,1\/format,webp\" class=\"aligncenter\" alt=\"dpi\u548cppi\u7684\u533a\u522b\" \/><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5e38\u89c1\u95ee\u7b54<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-layout-1 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