{"id":6780,"date":"2022-09-09T17:39:06","date_gmt":"2022-09-09T09:39:06","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/cn\/?p=6780"},"modified":"2022-09-09T17:39:06","modified_gmt":"2022-09-09T09:39:06","slug":"%e4%bb%80%e4%b9%88%e6%98%afpng%e6%96%87%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/cn\/%e4%bb%80%e4%b9%88%e6%98%afpng%e6%96%87%e4%bb%b6%ef%bc%9f\/","title":{"rendered":"\u4ec0\u4e48\u662fPNG\u6587\u4ef6\uff1f"},"content":{"rendered":"<h1><span id=\"What_is_a_PNG_file\"><span>\u4ec0\u4e48\u662fPNG\u6587\u4ef6\uff1f<\/span><\/span><\/h1>\n<p><span>PNG \u662f\u5f53\u4eca\u975e\u5e38\u6d41\u884c\u7684\u4e00\u79cd\u6587\u4ef6\u683c\u5f0f\u3002PNG\u5168\u79f0\u662f<\/span><a href=\"https:\/\/www.techtarget.com\/whatis\/definition\/PNG-Portable-Network-Graphics\"><span>Portable Network Graphics<\/span><\/a><span>\uff0c\u662f\u4e00\u79cd\u652f\u6301\u65e0\u635f\u6570\u636e\u538b\u7f29\u7684\u5149\u6805\u56fe\u5f62\u6587\u4ef6\u683c\u5f0f\u3002PNG \u652f\u6301\u5168\u5f69\u8272\u975e\u57fa\u4e8e\u8c03\u8272\u677f\u7684<\/span><a href=\"https:\/\/www.nixsensor.com\/blog\/what-is-rgb-color\/\" target=\"_blank\" rel=\"noopener\"><span>RGB<\/span><\/a><span>\u6216 RGBA \u56fe\u7247\u4ee5\u53ca\u57fa\u4e8e\u8c03\u8272\u677f\u7684\u56fe\u50cf\uff08\u5177\u6709 24 \u4f4d RGB \u6216 32 \u4f4d RGBA \u989c\u8272\u7684\u8c03\u8272\u677f\uff09\u3001\u5177\u6709\u6216\u4e0d\u5177\u6709\u900f\u660e\u5ea6\u7684 alpha \u901a\u9053\u548c\u7070\u5ea6\u56fe\u50cf\u3002\u7531\u4e8e PNG \u5de5\u4f5c\u7ec4\u521b\u5efa\u4e86\u7528\u4e8e Internet \u56fe\u50cf\u4f20\u8f93\u800c\u4e0d\u662f\u7528\u4e8e\u9ad8\u8d28\u91cf\u6253\u5370\u56fe\u5f62\u7684\u683c\u5f0f\uff0c\u56e0\u6b64\u4e0d\u652f\u6301<\/span><a href=\"https:\/\/www.printingcenterusa.com\/blog\/what-is-cmyk-and-why-is-it-used-for-printing\/\" target=\"_blank\" rel=\"noopener\"><span>CMYK<\/span><\/a><span>\u7b49\u975e RGB \u989c\u8272\u7a7a\u95f4\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9228 \" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02.png\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02.png 582w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-300x217.png 300w\" alt=\"\" width=\"451\" height=\"326\" \/><\/p>\n<h1><span id=\"Characteristics_of_PNG_format\"><span>PNG\u683c\u5f0f\u7684\u7279\u70b9<\/span><\/span><\/h1>\n<h3><span id=\"Transparency_of_image\"><strong><span id=\"Transparency_of_image\" class=\"mw-headline\"><span>\u56fe\u50cf\u7684\u900f\u660e\u5ea6<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u4e3a PNG \u683c\u5f0f\u6307\u5b9a\u900f\u660e\u80cc\u666f\u3002PNG \u4e3a\u900f\u660e\u5ea6\u63d0\u4f9b\u4e86\u591a\u79cd\u9009\u62e9\u3002\u771f\u5f69\u8272\u548c\u7070\u5ea6\u56fe\u50cf\u7684\u5355\u4e2a\u50cf\u7d20\u503c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u900f\u660e\uff0c\u6216\u8005\u53ef\u4ee5\u6dfb\u52a0 Alpha \u901a\u9053\uff08\u5141\u8bb8\u4efb\u4f55\u767e\u5206\u6bd4\u7684\u90e8\u5206\u900f\u660e\u5ea6\uff09\u3002\u5bf9\u4e8e\u5df2\u8c03\u8272\u7684\u56fe\u50cf\uff0c\u53ef\u4ee5\u5c06 alpha \u503c\u6dfb\u52a0\u5230\u8c03\u8272\u677f\u6761\u76ee\u4e2d\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"Animation\"><strong><span id=\"Animation\" class=\"mw-headline\"><span>\u52a8\u753b<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>PNG\u672c\u8eab\u4e0d\u652f\u6301\u52a8\u753b\u3002<\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Multiple-image_Network_Graphics#:~:text=Multiple%2Dimage%20Network%20Graphics%20(MNG,free%20software%20reference%20implementations%20available.\" target=\"_blank\" rel=\"noopener\"><span>MNG<\/span><\/a><span>\u7531 PNG \u7ec4\u6210\u5458\u521b\u5efa\uff0c\u662f PNG \u7684\u6269\u5c55\u3002MNG \u5177\u6709\u4e0e PNG \u76f8\u4f3c\u7684\u57fa\u672c\u7ed3\u6784\u5e76\u4f7f\u7528\u8bb8\u591a\u76f8\u540c\u7684\u6784\u5efa\u5143\u7d20\uff0c\u4f46\u5b83\u8981\u590d\u6742\u5f97\u591a\uff0c\u5e76\u4e14\u5177\u6709\u5355\u72ec\u7684\u6587\u4ef6\u7b7e\u540d\uff0c\u56e0\u6b64\u4e0e\u5927\u591a\u6570\u5728\u7ebf\u6d4f\u89c8\u5668\u6216\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684 PNG \u89e3\u7801\u5668\u4e0d\u517c\u5bb9\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"Pixel_format\"><strong><span id=\"Pixel_format\" class=\"mw-headline\"><span>\u50cf\u7d20\u683c\u5f0f<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u6784\u6210 PNG \u56fe\u50cf\u4e2d\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\u7684\u7d22\u5f15\u3002PLTE \u5757\u5305\u542b\u4e00\u4e2a\u4e0d\u540c\u7684\u8868\uff0c\u79f0\u4e3a\u8c03\u8272\u677f\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\u8c03\u8272\u677f\u7d22\u5f15\u8fd8\u662f\u663e\u5f0f\u6837\u672c\u503c\u3002<\/span><\/li>\n<\/ul>\n<h1><span id=\"Advantages_of_PNG\"><span id=\"Advantages\" class=\"mw-headline\"><\/span><span>PNG\u7684<span id=\"Advantages\" class=\"mw-headline\">\u4f18\u70b9<\/span><\/span><\/span><\/h1>\n<h3><span id=\"Efficiency\"><strong><span>\u6548\u7387<\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u5728\u6548\u7387\u65b9\u9762\uff0cPNG\u5bf9\u4e8e\u4efb\u4f55\u6e10\u8fdb\u5f0f\u56fe\u50cf\u6e32\u67d3\u3001\u538b\u7f29\u548c\u8fc7\u6ee4\u7684\u89e3\u7801\u548c\u6e32\u67d3\u90fd\u662f\u9ad8\u6548\u7684<\/span><\/li>\n<\/ul>\n<h3><span id=\"Flexibility\"><strong><span>\u7075\u6d3b\u6027<\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u5728\u7075\u6d3b\u6027\u65b9\u9762\uff0c\u5728\u4e0d\u6539\u53d8\u524d\u53e5\u7684\u60c5\u51b5\u4e0b\uff0c\u5141\u8bb8\u672a\u6765\u7684\u6dfb\u52a0\u548c\u79c1\u6709\u6269\u5c55\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"Completeness\"><strong><span>\u5b8c\u6574\u6027<\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u5b83\u53ef\u4ee5\u8868\u793a\u771f\u5f69\u8272\u3001\u7d22\u5f15\u989c\u8272\u548c\u7070\u5ea6\u56fe\u50cf\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"Compression\"><strong><span>\u538b\u7f29<\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u60a8\u53ef\u4ee5\u6709\u6548\u4e14\u4e00\u81f4\u5730\u538b\u7f29 PNG\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"Freedom_of_legal_restrictions\"><strong><span>\u6cd5\u5f8b\u9650\u5236\u81ea\u7531<\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u4f7f\u7528\u7684\u7b97\u6cd5\u662f\u514d\u8d39\u7684\uff0c\u53ef\u4f9b\u4eba\u4eec\u4f7f\u7528\u3002<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9227 \" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-1.png\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-1.png 581w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-1-300x217.png 300w\" alt=\"\" width=\"451\" height=\"327\" \/><\/p>\n<h1><span id=\"Compare_with_other_file_formats\"><span id=\"Comparison_with_other_file_formats\" class=\"mw-headline\"><span>\u4e0e\u5176\u4ed6\u6587\u4ef6\u683c\u5f0f\u6bd4\u8f83<\/span><\/span><\/span><\/h1>\n<h3><span id=\"Graphics_Interchange_Format_GIF\"><strong><span id=\"Graphics_Interchange_Format_(GIF)\" class=\"mw-headline\"><span>\u56fe\u5f62\u4ea4\u6362\u683c\u5f0f (GIF)<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u5bf9\u4e8e\u5927\u591a\u6570\u56fe\u50cf\uff0c<\/span><a href=\"https:\/\/www.howtogeek.com\/441185\/what-is-a-gif-and-how-do-you-use-them\/\" target=\"_blank\" rel=\"noopener\"><span>GIF<\/span><\/a><span>\u6587\u4ef6\u7684\u5927\u5c0f\u6bd4\u7d22\u5f15\u7684 PNG \u56fe\u50cf\u5927\u3002<\/span><\/li>\n<li><span>\u4e0e GIF \u76f8\u6bd4\uff0cPNG \u63d0\u4f9b\u4e86\u66f4\u5e7f\u6cdb\u7684\u900f\u660e\u5ea6\u9009\u9879<\/span><\/li>\n<li><span>\u5c06\u56fe\u50cf\u4ece PNG \u683c\u5f0f\u8f6c\u6362\u4e3a GIF \u65f6\uff0c\u56fe\u50cf\u8d28\u91cf\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd<\/span><\/li>\n<\/ul>\n<h3><span id=\"JPEG\"><strong><span id=\"JPEG\" class=\"mw-headline\"><span>JPEG<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>PNG\u683c\u5f0f\u6bd4JPEG\u66f4\u80fd\u538b\u7f29\u56fe\u50cf\u6570\u636e<\/span><\/li>\n<li><span>JPEG \u4e0d\u652f\u6301\u900f\u660e\u5ea6<\/span><\/li>\n<\/ul>\n<h3><span id=\"TIFF\"><strong><span id=\"TIFF\" class=\"mw-headline\"><span>\u56fd\u9645\u7535\u5f71\u8282<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>PNG \u4ec5\u652f\u6301\u975e\u9884\u4e58 alpha\uff0c\u800c<\/span><a href=\"https:\/\/www.widen.com\/blog\/whats-the-difference-between-png-jpeg-gif-and-tiff\" target=\"_blank\" rel=\"noopener\"><span>TIFF<\/span><\/a><span>\u4e5f\u652f\u6301\u9884\u4e58 alpha\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"JPEG-LS\"><strong><span id=\"JPEG-LS\" class=\"mw-headline\"><span>JPEG-LS<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>JPEG-LS \u901a\u5e38\u6bd4 PNG \u8868\u73b0\u66f4\u597d<\/span><\/li>\n<li><span>PNG \u548c JPEG-LS \u683c\u5f0f\u90fd\u662f\u53ef\u9009\u7684\uff0c\u6587\u4ef6\u5927\u5c0f\u662f\u4e00\u4e2a\u91cd\u8981\u6807\u51c6<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9231 \" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-1.png\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-1.png 581w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-1-300x217.png 300w\" alt=\"\" width=\"450\" height=\"326\" \/><\/p>\n<h1><span id=\"Convert_PNGs_to_PDFs\"><span>\u5c06 PNG \u8f6c\u6362\u4e3a PDF<\/span><\/span><\/h1>\n<p><span>\u5173\u4e8e\u5982\u4f55\u5c06 PNG \u8f6c\u6362\u4e3a PDF\u3002\u8fd9\u5f88\u7b80\u5355\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u7f51\u7edc\u6d4f\u89c8\u5668\u8bbf\u95ee Adob\u200b\u200be Acrobat \u5728\u7ebf\u670d\u52a1\uff0c\u7136\u540e\u627e\u5230\u5c06 JPG \u8f6c\u6362\u4e3a PDF \u9875\u9762\u3002\u8981\u4e0a\u4f20\u56fe\u50cf\u6587\u4ef6\uff0c\u8bf7\u5c06\u5176\u62d6\u5165\u62d6\u653e\u533a\u6216\u9009\u62e9\u201c\u9009\u62e9\u6587\u4ef6\u201d\u6309\u94ae\u3002<\/span><\/p>\n<h1><span id=\"Edit_the_PDF_documents_with_Visual_Paradigm_Online_PDF_Editor\"><span>\u4f7f\u7528 Visual Paradigm Online PDF Editor \u7f16\u8f91 PDF \u6587\u6863<\/span><\/span><\/h1>\n<p><span>Visual Paradigm \u73b0\u5728\u63d0\u4f9b\u4e86\u7528\u4e8e\u7f16\u8f91 PDF \u7684\u65b0\u529f\u80fd\u3002\u60a8\u53ef\u4ee5\u8f7b\u677e\u4e0a\u4f20\u4efb\u4f55 PDF \u6587\u4ef6\u5e76\u4fee\u6539 PDF\u3002\u6bcf\u4e2a\u4eba\u90fd\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528\u5b83\u6765\u81ea\u5b9a\u4e49\u60a8\u81ea\u5df1\u7684\u539f\u59cb PDF\uff0c\u4f8b\u5982\u7f16\u8f91\u5185\u5bb9\u3001\u6dfb\u52a0\u56fe\u50cf\u3001\u8868\u683c\/\u56fe\u8868\u6216\u5176\u4ed6\u8bbe\u8ba1\u529f\u80fd\u3002\u60a8\u53ef\u4ee5\u5355\u51fb<\/span><a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\" target=\"_blank\" rel=\"noopener\"><span>\u6b64\u5904<\/span><\/a><span>\u67e5\u770b VP Online PDF \u7f16\u8f91\u5668\u3002<\/span><\/p>\n<p><span>\u5728 VP Online \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u9762\u7684\u4e0a\u4f20 PDF \u9009\u9879\u5361\u6765\u63d0\u4ea4\u60a8\u7684 PDF \u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u4ece\u5728\u7ebf\u9a71\u52a8\u5668\uff08\u5305\u62ec Google Drive\u3001Dropbox\uff09\u4e2d\u9009\u62e9\u6587\u4ef6\uff0c\u6216\u62d6\u653e\u6587\u4ef6\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337.png\" width=\"583\" height=\"276\" \/><\/p>\n<p><span>\u6587\u6863\u7684\u6587\u5b57\u548c\u56fe\u7247\u90fd\u53ef\u4ee5\u66f4\u6539\u3002\u53cc\u51fb\u6587\u672c\u5f62\u72b6\u4ee5\u8c03\u6574\u5185\u5bb9\u548c\u5b57\u4f53\u7684\u8bbe\u7f6e\u3002\u9009\u62e9\u5f62\u72b6\u6216\u56fe\u7247\u8fdb\u884c\u7f16\u8f91\uff0c\u7136\u540e\u8fdb\u884c\u8c03\u6574\uff0c\u4f8b\u5982\u8c03\u6574\u5927\u5c0f\u3001\u6dfb\u52a0\u6548\u679c\u7b49\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9592 size-full\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1.png\" sizes=\"auto, (max-width: 816px) 100vw, 816px\" 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-5335-1-705x195.png 705w\" alt=\"\" width=\"816\" height=\"226\" \/><\/p>\n<p><span>\u5b8c\u6210\u7f16\u8f91\u540e\uff0c\u60a8\u53ef\u4ee5\u5728\u7ebf\u5171\u4eab\u6216\u4e0b\u8f7d\u4fee\u6539\u540e\u7684 PDF\u3002<\/span><a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\"><span>\u6bcf\u4e2a\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528Visual Paradigm Online PDF Editor<\/span><\/a><span>\u8f7b\u677e\u7f16\u8f91 PDF\u00a0\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fPNG\u6587\u4ef6\uff1f PNG \u662f\u5f53\u4eca\u975e\u5e38\u6d41\u884c\u7684\u4e00\u79cd\u6587\u4ef6\u683c\u5f0f\u3002PNG\u5168\u79f0\u662fPortable Network Gra 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