{"id":1052,"date":"2023-06-08T17:31:29","date_gmt":"2023-06-08T09:31:29","guid":{"rendered":"http:\/\/xinyixx.com\/?p=1052"},"modified":"2023-08-14T17:10:03","modified_gmt":"2023-08-14T09:10:03","slug":"python11","status":"publish","type":"post","link":"https:\/\/www.xinyixx.com\/index.php\/2023\/06\/08\/python11\/","title":{"rendered":"python\u7a0b\u5e8f11\uff1a\u7528graphviz\u753b\u4e00\u4e2a\u5173\u7cfb\u56fe"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Graphviz\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u7ed8\u5236\u5404\u79cd\u7c7b\u578b\u7684\u56fe\u5f62\uff0c\u5305\u62ec\u6d41\u7a0b\u56fe\u3001\u7c7b\u56fe\u3001\u65f6\u5e8f\u56fe\u7b49\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u9700\u8981\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Graphviz\u6765\u7ed8\u5236\u56fe\u5f62\u3002Graphviz\u4f7f\u7528\u4e00\u79cd\u79f0\u4e3a\u201cdot\u8bed\u8a00\u201d\u7684\u7b80\u5355\u8bed\u6cd5\u6765\u63cf\u8ff0\u56fe\u5f62\u7ed3\u6784\u548c\u5c5e\u6027\u3002\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u7f16\u5199dot\u8bed\u8a00\u4ee3\u7801\uff0c\u7136\u540e\u4f7f\u7528Graphviz\u547d\u4ee4\u884c\u5de5\u5177\u5c06\u5176\u8f6c\u6362\u4e3a\u56fe\u5f62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6b21\uff0c\u9700\u8981\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Graphviz\u7684\u5e03\u5c40\u7b97\u6cd5\u6765\u63a7\u5236\u56fe\u5f62\u7684\u5916\u89c2\u3002Graphviz\u63d0\u4f9b\u4e86\u591a\u79cd\u5e03\u5c40\u7b97\u6cd5\uff0c\u5305\u62ecdot\u3001neato\u3001twopi\u3001circo\u548cfdp\u7b49\u7b49\u3002\u6bcf\u79cd\u7b97\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u70b9\u548c\u9650\u5236\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u6700\u5408\u9002\u7684\u7b97\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u9700\u8981\u4e86\u89e3\u5982\u4f55\u5c06Graphviz\u4e0e\u5176\u4ed6\u5de5\u5177\u96c6\u6210\uff0c\u4ee5\u5b9e\u73b0\u66f4\u591a\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u811a\u672c\u6765\u751f\u6210dot\u8bed\u8a00\u4ee3\u7801\uff0c\u7136\u540e\u4f7f\u7528Graphviz\u5c06\u5176\u8f6c\u6362\u4e3a\u56fe\u5f62\u3002\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u5de5\u5177\u6765\u5904\u7406\u56fe\u50cf\u6587\u4ef6\uff0c\u4f8b\u5982ImageMagick\u6216Inkscape\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u6309\u7167\u7ba1\u7406\u9700\u8981\u5728\u7ec8\u7aef\u4e0b\u8f7d\u6a21\u5757\uff1a<code>pip install graphviz<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5199\u5165\u6e90\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>from graphviz import Digraph# \u521b\u5efa\u4e00\u4e2a\u6709\u5411\u56fe\u5bf9\u8c61<br>dot = Digraph(comment='My Graph')# \u6dfb\u52a0\u8282\u70b9<br>dot.node('A', 'Node A')<br>dot.node('B', 'Node B')<br>dot.node('C', 'Node C')<br>dot.node('D', 'Node D')<br>dot.node('E', 'Node E')<br>dot.node('F', 'Node F')<br>dot.node('G', 'Node G')<br>dot.node('H', 'Node H')<br>dot.node('I', 'Node I')<br>dot.node('J', 'Node J')<br>dot.node('K', 'Node K')<br>dot.node('L', 'Node L')<br>dot.node('M', 'Node M')# \u6dfb\u52a0\u8fb9<br>dot.edge('A', 'B')<br>dot.edge('B', 'C')<br>dot.edge('C', 'D')<br>dot.edge('D', 'A')<br>dot.edge('E', 'B')<br>dot.edge('C', 'D')<br>dot.edge('C', 'F')<br>dot.edge('H', 'I')<br>dot.edge('I', 'J')<br>dot.edge('K', 'I')<br>dot.edge('F', 'F')<br>dot.edge('E', 'D')<br>dot.edge('C', 'A')<br>dot.edge('D', 'L')<br>dot.edge('G', 'H')<br>dot.edge('L', 'M')<br>dot.edge('C', 'H')<br>dot.edge('L', 'J')# \u751f\u6210DOT\u8bed\u8a00\u4ee3\u7801<br>dot_source = dot.source# \u5c06DOT\u8bed\u8a00\u4ee3\u7801\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d<br>with open('my_graph.dot', 'w') as f:<br>    f.write(dot_source)# \u4f7f\u7528Graphviz\u5c06DOT\u6587\u4ef6\u8f6c\u6362\u4e3aPNG\u56fe\u50cf\u6587\u4ef6<br>dot.render('my_graph', format='png', view=True)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u6765\u8fd0\u884c\u8bd5\u4e00\u4e0b\uff0c\u770b\u4e00\u4e0b\u6548\u679c\u3002\u4e0b\u56fe\u662f\u751f\u6210\u7684.dot\u6587\u4ef6<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"475\" height=\"781\" src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image-26.png\" alt class=\"wp-image-1053\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-26.png 475w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-26-182x300.png 182w\" sizes=\"(max-width: 475px) 100vw, 475px\"><\/noscript><img decoding=\"async\" width=\"475\" height=\"781\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20475%20781%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-1053 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20475%20781%22%3E%3C%2Fsvg%3E 475w\" sizes=\"(max-width: 475px) 100vw, 475px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-26.png 475w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-26-182x300.png 182w\" data-src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image-26.png\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u6210png\u56fe\u50cf\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"722\" height=\"607\" src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image-27.png\" alt class=\"wp-image-1054\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-27.png 722w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-27-300x252.png 300w\" sizes=\"(max-width: 722px) 100vw, 722px\"><\/noscript><img decoding=\"async\" width=\"722\" height=\"607\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20722%20607%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-1054 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20722%20607%22%3E%3C%2Fsvg%3E 722w\" sizes=\"(max-width: 722px) 100vw, 722px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-27.png 722w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2023\/06\/image-27-300x252.png 300w\" data-src=\"http:\/\/xinyixx.com\/wp-content\/uploads\/2023\/06\/image-27.png\"><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Graphviz\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u7ed8\u5236\u5404\u79cd\u7c7b\u578b\u7684\u56fe\u5f62\uff0c\u5305\u62ec\u6d41\u7a0b\u56fe\u3001\u7c7b\u56fe\u3001\u65f6\u5e8f\u56fe\u7b49\u7b49\u3002 \u9996\u5148\uff0c\u9700\u8981\u4e86 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[14,10],"tags":[71,69,77],"class_list":["post-1052","post","type-post","status-publish","format-standard","hentry","category-teacher","category-coding","tag-python","tag-learning","tag-coding","entry"],"_links":{"self":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/posts\/1052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/comments?post=1052"}],"version-history":[{"count":0,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/posts\/1052\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/media?parent=1052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/categories?post=1052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xinyixx.com\/index.php\/wp-json\/wp\/v2\/tags?post=1052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}