{"id":7121,"date":"2022-09-09T17:24:43","date_gmt":"2022-09-09T09:24:43","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/tw\/?p=7121"},"modified":"2022-09-09T17:40:47","modified_gmt":"2022-09-09T09:40:47","slug":"%e4%bb%80%e9%ba%bc%e6%98%afpng%e6%96%87%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/tw\/%e4%bb%80%e9%ba%bc%e6%98%afpng%e6%96%87%e4%bb%b6%ef%bc%9f\/","title":{"rendered":"\u4ec0\u9ebc\u662fPNG\u6587\u4ef6\uff1f"},"content":{"rendered":"<h1><span id=\"What_is_a_PNG_file\"><span>\u4ec0\u9ebc\u662fPNG\u6587\u4ef6\uff1f<\/span><\/span><\/h1>\n<p><span>PNG \u662f\u7576\u4eca\u975e\u5e38\u6d41\u884c\u7684\u4e00\u7a2e\u6587\u4ef6\u683c\u5f0f\u3002PNG\u5168\u7a31\u662f<\/span><a href=\"https:\/\/www.techtarget.com\/whatis\/definition\/PNG-Portable-Network-Graphics\"><span>Portable Network Graphics<\/span><\/a><span>\uff0c\u662f\u4e00\u7a2e\u652f\u6301\u7121\u640d\u6578\u64da\u58d3\u7e2e\u7684\u5149\u67f5\u5716\u5f62\u6587\u4ef6\u683c\u5f0f\u3002PNG \u652f\u6301\u5168\u5f69\u8272\u975e\u57fa\u65bc\u8abf\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 \u5716\u7247\u4ee5\u53ca\u57fa\u65bc\u8abf\u8272\u677f\u7684\u5716\u50cf\uff08\u5177\u6709 24 \u4f4d RGB \u6216 32 \u4f4d RGBA \u984f\u8272\u7684\u8abf\u8272\u677f\uff09\u3001\u5177\u6709\u6216\u4e0d\u5177\u6709\u900f\u660e\u5ea6\u7684 alpha \u901a\u9053\u548c\u7070\u5ea6\u5716\u50cf\u3002\u7531\u65bc PNG \u5de5\u4f5c\u7d44\u5275\u5efa\u4e86\u7528\u65bc Internet \u5716\u50cf\u50b3\u8f38\u800c\u4e0d\u662f\u7528\u65bc\u9ad8\u8cea\u91cf\u6253\u5370\u5716\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 \u984f\u8272\u7a7a\u9593\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\u9ede<\/span><\/span><\/h1>\n<h3><span id=\"Transparency_of_image\"><strong><span id=\"Transparency_of_image\" class=\"mw-headline\"><span>\u5716\u50cf\u7684\u900f\u660e\u5ea6<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u70ba PNG \u683c\u5f0f\u6307\u5b9a\u900f\u660e\u80cc\u666f\u3002PNG \u70ba\u900f\u660e\u5ea6\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\u3002\u771f\u5f69\u8272\u548c\u7070\u5ea6\u5716\u50cf\u7684\u55ae\u500b\u50cf\u7d20\u503c\u53ef\u4ee5\u8a2d\u7f6e\u70ba\u900f\u660e\uff0c\u6216\u8005\u53ef\u4ee5\u6dfb\u52a0 Alpha \u901a\u9053\uff08\u5141\u8a31\u4efb\u4f55\u767e\u5206\u6bd4\u7684\u90e8\u5206\u900f\u660e\u5ea6\uff09\u3002\u5c0d\u65bc\u5df2\u8abf\u8272\u7684\u5716\u50cf\uff0c\u53ef\u4ee5\u5c07 alpha \u503c\u6dfb\u52a0\u5230\u8abf\u8272\u677f\u689d\u76ee\u4e2d\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"Animation\"><strong><span id=\"Animation\" class=\"mw-headline\"><span>\u52d5\u756b<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>PNG\u672c\u8eab\u4e0d\u652f\u6301\u52d5\u756b\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 \u7d44\u6210\u54e1\u5275\u5efa\uff0c\u662f PNG \u7684\u64f4\u5c55\u3002MNG \u5177\u6709\u8207 PNG \u76f8\u4f3c\u7684\u57fa\u672c\u7d50\u69cb\u4e26\u4f7f\u7528\u8a31\u591a\u76f8\u540c\u7684\u69cb\u5efa\u5143\u7d20\uff0c\u4f46\u5b83\u8981\u5fa9\u96dc\u5f97\u591a\uff0c\u4e26\u4e14\u5177\u6709\u55ae\u7368\u7684\u6587\u4ef6\u7c3d\u540d\uff0c\u56e0\u6b64\u8207\u5927\u591a\u6578\u5728\u7dda\u700f\u89bd\u5668\u6216\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684 PNG \u89e3\u78bc\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>\u69cb\u6210 PNG \u5716\u50cf\u4e2d\u50cf\u7d20\u7684\u6578\u5b57\u53ef\u4ee5\u662f\u8abf\u8272\u677f\u4e2d\u6a23\u672c\u6578\u64da\u7684\u7d22\u5f15\uff0c\u4e5f\u53ef\u4ee5\u662f\u6a23\u672c\u6578\u64da\u672c\u8eab\u7684\u7d22\u5f15\u3002PLTE \u584a\u5305\u542b\u4e00\u500b\u4e0d\u540c\u7684\u8868\uff0c\u7a31\u70ba\u8abf\u8272\u677f\u3002\u55ae\u500b\u50cf\u7d20\u7684\u6a23\u672c\u6578\u64da\u7531\u4e00\u5230\u56db\u500b\u6578\u5b57\u7684\u5143\u7d44\u7d44\u6210\u3002\u5716\u50cf\u4e2d\u7684\u6bcf\u500b\u6574\u6578\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u7d50\u69cb\u9032\u884c\u7de8\u78bc\uff0c\u7121\u8ad6\u50cf\u7d20\u6578\u64da\u8868\u793a\u8abf\u8272\u677f\u7d22\u5f15\u9084\u662f\u986f\u5f0f\u6a23\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\">\u512a\u9ede<\/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\u5c0d\u65bc\u4efb\u4f55\u6f38\u9032\u5f0f\u5716\u50cf\u6e32\u67d3\u3001\u58d3\u7e2e\u548c\u904e\u6ffe\u7684\u89e3\u78bc\u548c\u6e32\u67d3\u90fd\u662f\u9ad8\u6548\u7684<\/span><\/li>\n<\/ul>\n<h3><span id=\"Flexibility\"><strong><span>\u9748\u6d3b\u6027<\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u5728\u9748\u6d3b\u6027\u65b9\u9762\uff0c\u5728\u4e0d\u6539\u8b8a\u524d\u53e5\u7684\u60c5\u6cc1\u4e0b\uff0c\u5141\u8a31\u672a\u4f86\u7684\u6dfb\u52a0\u548c\u79c1\u6709\u64f4\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\u984f\u8272\u548c\u7070\u5ea6\u5716\u50cf\u3002<\/span><\/li>\n<\/ul>\n<h3><span id=\"Compression\"><strong><span>\u58d3\u7e2e<\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u60a8\u53ef\u4ee5\u6709\u6548\u4e14\u4e00\u81f4\u5730\u58d3\u7e2e 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\u8cbb\u7684\uff0c\u53ef\u4f9b\u4eba\u5011\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>\u8207\u5176\u4ed6\u6587\u4ef6\u683c\u5f0f\u6bd4\u8f03<\/span><\/span><\/span><\/h1>\n<h3><span id=\"Graphics_Interchange_Format_GIF\"><strong><span id=\"Graphics_Interchange_Format_(GIF)\" class=\"mw-headline\"><span>\u5716\u5f62\u4ea4\u63db\u683c\u5f0f (GIF)<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>\u5c0d\u65bc\u5927\u591a\u6578\u5716\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 \u5716\u50cf\u5927\u3002<\/span><\/li>\n<li><span>\u8207 GIF \u76f8\u6bd4\uff0cPNG \u63d0\u4f9b\u4e86\u66f4\u5ee3\u6cdb\u7684\u900f\u660e\u5ea6\u9078\u9805<\/span><\/li>\n<li><span>\u5c07\u5716\u50cf\u5f9e PNG \u683c\u5f0f\u8f49\u63db\u70ba GIF \u6642\uff0c\u5716\u50cf\u8cea\u91cf\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff<\/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\u58d3\u7e2e\u5716\u50cf\u6578\u64da<\/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>\u570b\u969b\u96fb\u5f71\u7bc0<\/span><\/span><\/strong><\/span><\/h3>\n<ul>\n<li><span>PNG \u50c5\u652f\u6301\u975e\u9810\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\u9810\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\u73fe\u66f4\u597d<\/span><\/li>\n<li><span>PNG \u548c JPEG-LS \u683c\u5f0f\u90fd\u662f\u53ef\u9078\u7684\uff0c\u6587\u4ef6\u5927\u5c0f\u662f\u4e00\u500b\u91cd\u8981\u6a19\u6e96<\/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>\u5c07 PNG \u8f49\u63db\u70ba PDF<\/span><\/span><\/h1>\n<p><span>\u95dc\u65bc\u5982\u4f55\u5c07 PNG \u8f49\u63db\u70ba PDF\u3002\u9019\u5f88\u7c21\u55ae\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u7db2\u7d61\u700f\u89bd\u5668\u8a2a\u554f Adob\u200b\u200be Acrobat \u5728\u7dda\u670d\u52d9\uff0c\u7136\u5f8c\u627e\u5230\u5c07 JPG \u8f49\u63db\u70ba PDF \u9801\u9762\u3002\u8981\u4e0a\u50b3\u5716\u50cf\u6587\u4ef6\uff0c\u8acb\u5c07\u5176\u62d6\u5165\u62d6\u653e\u5340\u6216\u9078\u64c7\u201c\u9078\u64c7\u6587\u4ef6\u201d\u6309\u9215\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 \u7de8\u8f2f PDF \u6587\u6a94<\/span><\/span><\/h1>\n<p><span>Visual Paradigm \u73fe\u5728\u63d0\u4f9b\u4e86\u7528\u65bc\u7de8\u8f2f PDF \u7684\u65b0\u529f\u80fd\u3002\u60a8\u53ef\u4ee5\u8f15\u9b06\u4e0a\u50b3\u4efb\u4f55 PDF \u6587\u4ef6\u4e26\u4fee\u6539 PDF\u3002\u6bcf\u500b\u4eba\u90fd\u53ef\u4ee5\u8f15\u9b06\u4f7f\u7528\u5b83\u4f86\u81ea\u5b9a\u7fa9\u60a8\u81ea\u5df1\u7684\u539f\u59cb PDF\uff0c\u4f8b\u5982\u7de8\u8f2f\u5167\u5bb9\u3001\u6dfb\u52a0\u5716\u50cf\u3001\u8868\u683c\/\u5716\u8868\u6216\u5176\u4ed6\u8a2d\u8a08\u529f\u80fd\u3002\u60a8\u53ef\u4ee5\u55ae\u64ca<\/span><a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\" target=\"_blank\" rel=\"noopener\"><span>\u6b64\u8655<\/span><\/a><span>\u67e5\u770b VP Online PDF \u7de8\u8f2f\u5668\u3002<\/span><\/p>\n<p><span>\u5728 VP Online \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u9762\u7684\u4e0a\u50b3 PDF \u9078\u9805\u5361\u4f86\u63d0\u4ea4\u60a8\u7684 PDF \u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u5f9e\u5728\u7dda\u9a45\u52d5\u5668\uff08\u5305\u62ec Google Drive\u3001Dropbox\uff09\u4e2d\u9078\u64c7\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\u6a94\u7684\u6587\u5b57\u548c\u5716\u7247\u90fd\u53ef\u4ee5\u66f4\u6539\u3002\u96d9\u64ca\u6587\u672c\u5f62\u72c0\u4ee5\u8abf\u6574\u5167\u5bb9\u548c\u5b57\u9ad4\u7684\u8a2d\u7f6e\u3002\u9078\u64c7\u5f62\u72c0\u6216\u5716\u7247\u9032\u884c\u7de8\u8f2f\uff0c\u7136\u5f8c\u9032\u884c\u8abf\u6574\uff0c\u4f8b\u5982\u8abf\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\u7de8\u8f2f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5728\u7dda\u5171\u4eab\u6216\u4e0b\u8f09\u4fee\u6539\u5f8c\u7684 PDF\u3002<\/span><a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\"><span>\u6bcf\u500b\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528Visual Paradigm Online PDF Editor<\/span><\/a><span>\u8f15\u9b06\u7de8\u8f2f PDF\u00a0\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u9ebc\u662fPNG\u6587\u4ef6\uff1f PNG \u662f\u7576\u4eca\u975e\u5e38\u6d41\u884c\u7684\u4e00\u7a2e\u6587\u4ef6\u683c\u5f0f\u3002PNG\u5168\u7a31\u662fPortable Network Gra 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