{"id":9753,"date":"2026-01-10T14:55:20","date_gmt":"2026-01-10T06:55:20","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/cn\/what-is-a-png-file\/"},"modified":"2026-01-10T14:55:20","modified_gmt":"2026-01-10T06:55:20","slug":"what-is-a-png-file","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/cn\/what-is-a-png-file\/","title":{"rendered":"\u4ec0\u4e48\u662fPNG\u6587\u4ef6\uff1f"},"content":{"rendered":"<h1>\u4ec0\u4e48\u662fPNG\u6587\u4ef6\uff1f<\/h1>\n<p>PNG\u662f\u4e00\u79cd\u5f53\u4eca\u975e\u5e38\u6d41\u884c\u7684\u6587\u4ef6\u683c\u5f0f\u3002PNG\u7684\u5168\u79f0\u662f<a href=\"https:\/\/www.techtarget.com\/whatis\/definition\/PNG-Portable-Network-Graphics\">\u4fbf\u643a\u5f0f\u7f51\u7edc\u56fe\u5f62<\/a>\uff0c\u5b83\u662f\u4e00\u79cd\u652f\u6301\u65e0\u635f\u6570\u636e\u538b\u7f29\u7684\u4f4d\u56fe\u56fe\u5f62\u6587\u4ef6\u683c\u5f0f\u3002PNG\u652f\u6301\u5168\u5f69\u975e\u8c03\u8272\u677f\u7684<a href=\"https:\/\/www.nixsensor.com\/blog\/what-is-rgb-color\/\" rel=\"noopener noreferrer\" target=\"_blank\">RGB<\/a>\u6216RGBA\u56fe\u50cf\uff0c\u4ee5\u53ca\u57fa\u4e8e\u8c03\u8272\u677f\u7684\u56fe\u50cf\uff08\u5305\u542b24\u4f4dRGB\u621632\u4f4dRGBA\u989c\u8272\u7684\u8c03\u8272\u677f\uff09\u3001\u5e26\u6216\u4e0d\u5e26\u900f\u660e\u5ea6\u7684alpha\u901a\u9053\uff0c\u4ee5\u53ca\u7070\u5ea6\u56fe\u50cf\u3002\u975eRGB\u8272\u5f69\u7a7a\u95f4\u5982<a href=\"https:\/\/www.printingcenterusa.com\/blog\/what-is-cmyk-and-why-is-it-used-for-printing\/\" rel=\"noopener noreferrer\" target=\"_blank\">CMYK<\/a>\u4e0d\u88ab\u652f\u6301\uff0c\u56e0\u4e3aPNG\u5de5\u4f5c\u7ec4\u521b\u5efa\u8be5\u683c\u5f0f\u7684\u521d\u8877\u662f\u7528\u4e8e\u7f51\u7edc\u56fe\u50cf\u4f20\u8f93\uff0c\u800c\u975e\u9ad8\u8d28\u91cf\u5370\u5237\u56fe\u5f62\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone wp-image-10771 size-full\" decoding=\"async\" height=\"421\" loading=\"lazy\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1.png 582w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1-300x217.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1-150x109.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1-400x289.png 400w\" width=\"582\"\/><\/p>\n<h1>PNG\u683c\u5f0f\u7684\u7279\u70b9<\/h1>\n<h3><strong><span class=\"mw-headline\" id=\"Transparency_of_image\">\u56fe\u50cf\u900f\u660e\u5ea6<\/span><\/strong><\/h3>\n<ul>\n<li>\u60a8\u53ef\u4ee5\u8f7b\u677e\u4e3aPNG\u683c\u5f0f\u6307\u5b9a\u900f\u660e\u80cc\u666f\u3002PNG\u63d0\u4f9b\u4e86\u591a\u79cd\u900f\u660e\u5ea6\u9009\u62e9\u3002\u5bf9\u4e8e\u771f\u5f69\u8272\u548c\u7070\u5ea6\u56fe\u50cf\uff0c\u53ef\u4ee5\u5c06\u5355\u4e2a\u50cf\u7d20\u503c\u8bbe\u7f6e\u4e3a\u900f\u660e\uff0c\u6216\u8005\u6dfb\u52a0\u4e00\u4e2aalpha\u901a\u9053\uff08\u5141\u8bb8\u4efb\u610f\u6bd4\u4f8b\u7684\u90e8\u5206\u900f\u660e\uff09\u3002\u5bf9\u4e8e\u5df2\u8c03\u8272\u677f\u5316\u7684\u56fe\u50cf\uff0c\u53ef\u4ee5\u5c06alpha\u503c\u6dfb\u52a0\u5230\u8c03\u8272\u677f\u6761\u76ee\u4e2d\u3002<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"Animation\">\u52a8\u753b<\/span><\/strong><\/h3>\n<ul>\n<li>PNG\u4e0d\u539f\u751f\u652f\u6301\u52a8\u753b\u3002<a href=\"https:\/\/en.wikipedia.org\/wiki\/Multiple-image_Network_Graphics#:~:text=Multiple%2Dimage%20Network%20Graphics%20(MNG,free%20software%20reference%20implementations%20available.\" rel=\"noopener noreferrer\" target=\"_blank\"> MNG<\/a>\u7531PNG\u5c0f\u7ec4\u6210\u5458\u521b\u5efa\uff0c\u662fPNG\u7684\u6269\u5c55\u3002MNG\u4e0ePNG\u5177\u6709\u76f8\u4f3c\u7684\u57fa\u672c\u7ed3\u6784\uff0c\u5e76\u4f7f\u7528\u8bb8\u591a\u76f8\u540c\u7684\u6784\u5efa\u5143\u7d20\uff0c\u4f46\u5b83\u66f4\u52a0\u590d\u6742\uff0c\u5e76\u5177\u6709\u72ec\u7acb\u7684\u6587\u4ef6\u7b7e\u540d\uff0c\u56e0\u6b64\u4e0e\u5927\u591a\u6570\u5728\u7ebf\u6d4f\u89c8\u5668\u6216\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684PNG\u89e3\u7801\u5668\u4e0d\u517c\u5bb9\u3002<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"Pixel_format\">\u50cf\u7d20\u683c\u5f0f<\/span><\/strong><\/h3>\n<ul>\n<li>PNG\u56fe\u50cf\u4e2d\u6784\u6210\u50cf\u7d20\u7684\u6570\u5b57\u53ef\u4ee5\u662f\u8c03\u8272\u677f\u4e2d\u6837\u672c\u6570\u636e\u7684\u7d22\u5f15\uff0c\u4e5f\u53ef\u4ee5\u662f\u6837\u672c\u6570\u636e\u672c\u8eab\u3002PLTE\u5757\u5305\u542b\u4e00\u4e2a\u79f0\u4e3a\u8c03\u8272\u677f\u7684\u72ec\u7acb\u8868\u683c\u3002\u5355\u4e2a\u50cf\u7d20\u7684\u6837\u672c\u6570\u636e\u7531\u4e00\u5230\u56db\u4e2a\u6570\u5b57\u7684\u5143\u7ec4\u7ec4\u6210\u3002\u56fe\u50cf\u4e2d\u7684\u6bcf\u4e2a\u6574\u6570\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u7ed3\u6784\u8fdb\u884c\u7f16\u7801\uff0c\u65e0\u8bba\u50cf\u7d20\u6570\u636e\u8868\u793a\u7684\u662f\u8c03\u8272\u677f\u7d22\u5f15\u8fd8\u662f\u663e\u5f0f\u6837\u672c\u503c\u3002<\/li>\n<\/ul>\n<h1><span class=\"mw-headline\" id=\"Advantages\">\u4f18\u70b9<\/span>\u7684PNG<\/h1>\n<h3><strong>\u6548\u7387<\/strong><\/h3>\n<ul>\n<li>\u5728\u6548\u7387\u65b9\u9762\uff0cPNG\u5728\u89e3\u7801\u548c\u6e32\u67d3\u4efb\u4f55\u6e10\u8fdb\u5f0f\u56fe\u50cf\u6e32\u67d3\u3001\u538b\u7f29\u548c\u8fc7\u6ee4\u65b9\u9762\u90fd\u8868\u73b0\u9ad8\u6548<\/li>\n<\/ul>\n<h3><strong>\u7075\u6d3b\u6027<\/strong><\/h3>\n<ul>\n<li>\u5728\u7075\u6d3b\u6027\u65b9\u9762\uff0c\u672a\u6765\u53ef\u4ee5\u6dfb\u52a0\u65b0\u529f\u80fd\u548c\u79c1\u6709\u6269\u5c55\uff0c\u800c\u65e0\u9700\u4fee\u6539\u524d\u4e00\u53e5\u3002<\/li>\n<\/ul>\n<h3><strong>\u5b8c\u6574\u6027<\/strong><\/h3>\n<ul>\n<li>\u5b83\u53ef\u4ee5\u8868\u793a\u771f\u5f69\u8272\u3001\u7d22\u5f15\u8272\u548c\u7070\u5ea6\u56fe\u50cf\u3002<\/li>\n<\/ul>\n<h3><strong>\u538b\u7f29<\/strong><\/h3>\n<ul>\n<li>\u60a8\u53ef\u4ee5\u9ad8\u6548\u4e14\u4e00\u81f4\u5730\u538b\u7f29PNG\u3002<\/li>\n<\/ul>\n<h3><strong>\u6cd5\u5f8b\u9650\u5236\u7684\u81ea\u7531<\/strong><\/h3>\n<ul>\n<li>\u6240\u4f7f\u7528\u7684\u7b97\u6cd5\u662f\u514d\u8d39\u4e14\u53ef\u4f9b\u4eba\u4eec\u4f7f\u7528\u7684\u3002<\/li>\n<\/ul>\n<p><img alt=\"\" class=\"alignnone wp-image-10773 size-full\" decoding=\"async\" height=\"421\" loading=\"lazy\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01.png 581w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-300x217.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-150x109.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-400x290.png 400w\" width=\"581\"\/><\/p>\n<h1><span class=\"mw-headline\" id=\"Comparison_with_other_file_formats\">\u4e0e\u5176\u4ed6\u6587\u4ef6\u683c\u5f0f\u8fdb\u884c\u6bd4\u8f83<\/span><\/h1>\n<h3><strong><span class=\"mw-headline\" id=\"Graphics_Interchange_Format_(GIF)\">\u56fe\u5f62\u4ea4\u6362\u683c\u5f0f\uff08GIF\uff09<\/span><\/strong><\/h3>\n<ul>\n<li>\u5bf9\u4e8e\u5927\u591a\u6570\u56fe\u50cf\uff0c\u4e00\u4e2a<a href=\"https:\/\/www.howtogeek.com\/441185\/what-is-a-gif-and-how-do-you-use-them\/\" rel=\"noopener noreferrer\" target=\"_blank\">GIF<\/a>\u6587\u4ef6\u7684\u5927\u5c0f\u901a\u5e38\u5927\u4e8e\u7d22\u5f15\u578bPNG\u56fe\u50cf\u3002<\/li>\n<li>PNG\u63d0\u4f9b\u7684\u900f\u660e\u5ea6\u9009\u9879\u6bd4GIF\u8981\u5e7f\u6cdb\u5f97\u591a<\/li>\n<li>\u5c06\u56fe\u50cf\u4ecePNG\u683c\u5f0f\u8f6c\u6362\u4e3aGIF\u65f6\uff0c\u56fe\u50cf\u8d28\u91cf\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"JPEG\">JPEG<\/span><\/strong><\/h3>\n<ul>\n<li>PNG\u683c\u5f0f\u53ef\u4ee5\u6bd4JPEG\u66f4\u6709\u6548\u5730\u538b\u7f29\u56fe\u50cf\u6570\u636e<\/li>\n<li>JPEG\u4e0d\u652f\u6301\u900f\u660e\u5ea6<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"TIFF\">TIFF<\/span><\/strong><\/h3>\n<ul>\n<li>PNG\u4ec5\u652f\u6301\u975e\u9884\u4e58\u900f\u660e\u5ea6\uff0c\u800c<a href=\"https:\/\/www.widen.com\/blog\/whats-the-difference-between-png-jpeg-gif-and-tiff\" rel=\"noopener noreferrer\" target=\"_blank\">TIFF<\/a>\u4e5f\u652f\u6301\u9884\u4e58\u900f\u660e\u5ea6\u3002<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"JPEG-LS\">JPEG-LS<\/span><\/strong><\/h3>\n<ul>\n<li>JPEG-LS\u901a\u5e38\u6bd4PNG\u8868\u73b0\u66f4\u597d<\/li>\n<li>PNG\u548cJPEG-LS\u90fd\u662f\u53ef\u9009\u683c\u5f0f\uff0c\u6587\u4ef6\u5927\u5c0f\u662f\u4e00\u4e2a\u91cd\u8981\u8003\u91cf\u56e0\u7d20<\/li>\n<\/ul>\n<p><img alt=\"\" class=\"alignnone wp-image-10774 size-full\" decoding=\"async\" height=\"421\" loading=\"lazy\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03.png 581w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-300x217.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-150x109.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-400x290.png 400w\" width=\"581\"\/><\/p>\n<h1>\u5c06PNG\u8f6c\u6362\u4e3aPDF<\/h1>\n<p>\u5982\u4f55\u5c06PNG\u8f6c\u6362\u4e3aPDF\u3002\u5f88\u7b80\u5355\u3002\u60a8\u53ea\u9700\u4f7f\u7528\u4efb\u4f55\u7f51\u7edc\u6d4f\u89c8\u5668\u8bbf\u95eeAdobe Acrobat\u5728\u7ebf\u670d\u52a1\uff0c\u7136\u540e\u627e\u5230\u201c\u5c06JPG\u8f6c\u6362\u4e3aPDF\u201d\u7684\u9875\u9762\u3002\u8981\u4e0a\u4f20\u56fe\u50cf\u6587\u4ef6\uff0c\u8bf7\u5c06\u5176\u62d6\u653e\u5230\u4e0a\u4f20\u533a\u57df\uff0c\u6216\u70b9\u51fb\u201c\u9009\u62e9\u6587\u4ef6\u201d\u6309\u94ae\u3002<\/p>\n<h1>\u4f7f\u7528Visual Paradigm\u5728\u7ebf\u514d\u8d39PDF\u7f16\u8f91\u5668\u7f16\u8f91PDF\u6587\u6863<\/h1>\n<p>Visual Paradigm\u73b0\u5728\u63d0\u4f9b\u4e86\u4e00\u9879\u65b0\u7684PDF\u7f16\u8f91\u529f\u80fd\u3002\u60a8\u53ef\u4ee5\u8f7b\u677e\u4e0a\u4f20\u4efb\u4f55PDF\u6587\u4ef6\u5e76\u4fee\u6539\u5b83\u3002\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528\uff0c\u81ea\u884c\u81ea\u5b9a\u4e49\u539f\u59cbPDF\uff0c\u4f8b\u5982\u7f16\u8f91\u5185\u5bb9\u3001\u6dfb\u52a0\u56fe\u7247\u3001\u8868\u683c\/\u56fe\u8868\u6216\u5176\u4ed6\u8bbe\u8ba1\u5143\u7d20\u3002\u60a8\u53ef\u4ee5\u70b9\u51fb<a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\" rel=\"noopener noreferrer\" target=\"_blank\">\u8fd9\u91cc<\/a>\u6765\u67e5\u770bVP\u5728\u7ebf\u514d\u8d39PDF\u7f16\u8f91\u5668\u3002<\/p>\n<p>\u5728VP Online\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u65b9\u7684\u4e0a\u4f20PDF\u6807\u7b7e\u6765\u63d0\u4ea4\u60a8\u7684PDF\u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u4ece\u60a8\u7684\u5728\u7ebf\u5b58\u50a8\u7a7a\u95f4\uff08\u5305\u62ecGoogle Drive\u3001Dropbox\uff09\u4e2d\u9009\u62e9\u6587\u4ef6\uff0c\u6216\u76f4\u63a5\u62d6\u653e\u6587\u4ef6\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone wp-image-10776 size-full\" decoding=\"async\" height=\"375\" loading=\"lazy\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4.png 792w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-300x142.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-768x364.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-150x71.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-400x189.png 400w\" width=\"792\"\/><\/p>\n<p>\u6587\u6863\u4e2d\u7684\u6587\u5b57\u548c\u56fe\u7247\u90fd\u53ef\u4ee5\u8fdb\u884c\u4fee\u6539\u3002\u53cc\u51fb\u6587\u672c\u6846\u53ef\u8c03\u6574\u5185\u5bb9\u548c\u5b57\u4f53\u8bbe\u7f6e\u3002\u9009\u62e9\u4e00\u4e2a\u5f62\u72b6\u6216\u56fe\u7247\u8fdb\u884c\u7f16\u8f91\uff0c\u7136\u540e\u8fdb\u884c\u8c03\u6574\uff0c\u5982\u7f29\u653e\u3001\u6dfb\u52a0\u6548\u679c\u7b49\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone wp-image-9592 size-full\" decoding=\"async\" height=\"226\" loading=\"lazy\" sizes=\"auto, (max-width: 816px) 100vw, 816px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1.png 816w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-300x83.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-768x213.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-150x42.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-400x111.png 400w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-705x195.png 705w\" width=\"816\"\/><\/p>\n<p>\u5b8c\u6210\u7f16\u8f91\u540e\uff0c\u60a8\u53ef\u4ee5\u5728\u7ebf\u5206\u4eab\u4fee\u6539\u540e\u7684PDF\uff0c\u6216\u5c06\u5176\u4e0b\u8f7d\u3002\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528<a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\">Visual Paradigm\u5728\u7ebfPDF\u7f16\u8f91\u5668<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fPNG\u6587\u4ef6\uff1f PNG\u662f\u4e00\u79cd\u5f53\u4eca\u975e\u5e38\u6d41\u884c\u7684\u6587\u4ef6\u683c\u5f0f\u3002PNG\u7684\u5168\u79f0\u662f\u4fbf\u643a\u5f0f\u7f51\u7edc\u56fe\u5f62\uff0c\u5b83\u662f\u4e00\u79cd\u652f\u6301\u65e0\u635f\u6570\u636e\u538b\u7f29 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