{"id":4479,"date":"2020-04-07T17:18:25","date_gmt":"2020-04-07T09:18:25","guid":{"rendered":"https:\/\/vip.fxxkpython.com\/?p=4479"},"modified":"2020-04-07T17:38:40","modified_gmt":"2020-04-07T09:38:40","slug":"__trashed","status":"publish","type":"post","link":"https:\/\/vip.fxxkpython.com\/?p=4479","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Python \u5c06\u56fe\u7247\u53d8\u4e3a\u5b57\u7b26\u7684\u6a21\u6837"},"content":{"rendered":"\n<p>\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b\uff0c\u5c0f\u5e05b\u539f\u672c\u7684\u5934\u50cf\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/J2icnQspGlaKSHJrM7aRudrDuDSoVKqMZlY4Mo6cib9hu07IAuNBzrialg76OzJZWovTkGNLmDNsPV54IjWJ26yCg\/640?wx_fmt=png\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p>\u7528 Python \u5199\u7684\u811a\u672c\u8f6c\u4e00\u4e0b\uff0c\u5c31\u53d8\u6210\u8fd9\u6837\u4e86\uff1a<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/J2icnQspGlaKSHJrM7aRudrDuDSoVKqMZ4bKp1KVicKpmr3MF5pH0B8GLnxbO7ndU5rd4XickrHsKyRSnzQxDlBqw\/640?wx_fmt=png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u5c06\u56fe\u7247\u4e2d\u7684\u8f6e\u5ed3\uff0c\u7528\u4f60\u559c\u6b22\u7684\u5b57\u7b26\u4ee3\u66ff\uff0c\u662f\u4e0d\u662f\u6709\u70b9\u88c5\u903c\u4e86\uff1a<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_gif\/J2icnQspGlaKSHJrM7aRudrDuDSoVKqMZyicSNhSJHV5tBVZPE4aWDK9DhPHL8VEwCaTOO84XHG0ExSwib19h0hGQ\/640?wx_fmt=gif&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u662f\u5982\u4f55\u5b9e\u73b0\u5462\uff1f\u63a5\u4e0b\u6765\u5c31\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5b66\u4e60 Python \u7684\u6b63\u786e\u59ff\u52bf<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/J2icnQspGlaLxwLU7icqUf2yy4GuE8uLAod8VJ2hiboLaRdvFicZR3OibRictlPHf5pUAo00M3Amo211YZUkhpc1YVnQ\/640?wx_fmt=jpeg\" alt=\"\"\/><\/figure>\n\n\n\n<p><a target=\"_blank\" href=\"http:\/\/mp.weixin.qq.com\/s?__biz=MzU2ODYzNTkwMg==&amp;mid=2247485044&amp;idx=1&amp;sn=9204fb69b150dd817f17140d59766280&amp;chksm=fc8bbee5cbfc37f3fba6610d8033e46da8a81d0b08822f9aa477d8121d1926b71376f07ad454&amp;scene=21#wechat_redirect\" rel=\"noreferrer noopener\"><\/a><\/p>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053\uff0c\u6bcf\u5f20\u56fe\u7247\u90fd\u662f\u7531\u4e00\u4e2a\u4e2a\u50cf\u7d20\u7ec4\u6210\u7684\uff0c\u800c\u4f60\u5728\u624b\u673a\u4e0a\u4e4b\u6240\u4ee5\u53ef\u4ee5\u770b\u5230\u4e94\u989c\u516d\u8272\u7684\u56fe\u7247\uff0c\u662f\u56e0\u4e3a\u6709\u7ea2\u7eff\u84dd\u4e09\u539f\u8272\uff0c\u5b83\u4eec\u53ef\u4ee5\u7ec4\u5408\u6210\u65e0\u6570\u79cd\u989c\u8272\uff0c\u800c\u6211\u4eec\u5e38\u89c1\u7684\u663e\u793a\u5668\u7528\u7684\u5c31\u662f RGB \u7684\u989c\u8272\u6807\u51c6\uff0c\u4e0d\u540c\u7684 RGB \u503c\u4ee3\u8868\u4e0d\u540c\u7684\u989c\u8272\u5f3a\u5ea6\uff0c\u8fd9\u4e2a\u503c\u5728 0 \u5230 255 \u4e4b\u95f4\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/J2icnQspGlaKSHJrM7aRudrDuDSoVKqMZTxM6v6HOKyJwajn3NkKcY3r6AxUqxUialRTqKvaoIy40ZochL7ZGiawg\/640?wx_fmt=png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5176\u5b9e\u6211\u4eec\u60f3\u8981\u8ba9\u56fe\u7247\u4f7f\u7528\u5b57\u7b26\u66ff\u6362\uff0c\u5e76\u4e0d\u9700\u8981\u90a3\u4e48\u591a\u989c\u8272\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u628a\u56fe\u7247\u8f6c\u5316\u4e3a\u7070\u5ea6\u56fe\u50cf\uff0c\u8fd9\u6837\u5b83\u5c31\u53ea\u5269\u4e0b\u5f3a\u5ea6\u4e0d\u540c\u7684\u9ed1\u4e0e\u767d\u4e86\uff0c\u8fd9\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u9700\u8981\u901a\u8fc7\u989c\u8272\u7684\u7070\u5ea6\u503c\u53bb\u533a\u5206\u5c31\u53ef\u4ee5\u5f97\u5230\u9700\u8981\u66ff\u6362\u5b57\u7b26\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u4e00\u5f20\u56fe\u7247\u7684\u6240\u6709\u50cf\u7d20\uff0c\u800c\u6bcf\u4e2a\u50cf\u7d20\u90fd\u6709\u5b83\u7279\u6709\u7684\u7070\u5ea6\u503c\uff0c\u4ece&nbsp;<strong>0&#8212;&#8211;&gt;255<\/strong>&nbsp;\u8868\u793a\u4ece\u6700\u9ed1\u5230\u6700\u767d\uff0c\u90a3\u4e48\u6211\u4eec\u53ea\u8981\u51c6\u5907 256 \u4e2a\u5b57\u7b26\uff0c\u628a\u5b57\u7b26\u66ff\u6362\u6210\u7070\u5ea6\u503c\uff0c\u63a5\u7740\u518d\u8f93\u51fa\u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/J2icnQspGlaKSHJrM7aRudrDuDSoVKqMZ1n2JHe7By9WPkSib4BRElSkJVeImd9icPA0w2AQn56l1g3BjhfXXxRQA\/640?wx_fmt=jpeg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p>\u56e0\u4e3a\u7070\u5ea6\u56fe\u50cf\u53ea\u662f\u9ed1\u767d\u5f3a\u5ea6\u4e0d\u540c\uff0c\u6240\u4ee5\u6211\u4eec\u5e76\u4e0d\u9700\u8981\u7ec6\u81f4\u5230\u6bcf\u4e00\u4e2a\u5177\u4f53\u7684\u6570\u503c\uff0c\u53ef\u4ee5\u628a 0 &#8212;-&gt; 255 \u62c6\u5206\u4e00\u4e0b\uff0c\u6bd4\u5982\u6bcf 25 \u4e2a\u7070\u5ea6\u503c\u4ee3\u8868\u4e00\u79cd\u5f3a\u5ea6\uff1a<\/p>\n\n\n\n<p>0&#8212;&gt;25 &nbsp;&nbsp; &nbsp; &nbsp; \u767d&nbsp; &nbsp; &nbsp; \u5bf9\u5e94\u5b57\u7b26a<br>25&#8212;&gt;50&nbsp; &nbsp; &nbsp; \u6d45\u7070&nbsp; &nbsp;&nbsp;\u5bf9\u5e94\u5b57\u7b26b<br>50&#8212;&gt;75&nbsp; &nbsp; &nbsp; \u7070&nbsp; &nbsp; &nbsp; &nbsp;\u5bf9\u5e94\u5b57\u7b26c<br>&#8230; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u8d8a\u6765\u8d8a\u7070&nbsp; &nbsp;\u5bf9\u5e94\u5b57\u7b26d<br>225&#8212;&gt;250&nbsp; &nbsp;\u9ed1&nbsp; &nbsp; &nbsp; &nbsp;\u5bf9\u5e94\u5b57\u7b26e<br>\u6211\u4eec\u53ef\u4ee5\u5728\u8fd9\u6bcf\u4e2a\u533a\u95f4\u91cc\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\uff0c\u8fd9\u65f6\u5019\u53ea\u8981\u5224\u65ad\u50cf\u7d20\u7684\u7070\u5ea6\u503c\uff0c\u770b\u770b\u8fd9\u4e2a\u503c\u5728\u4ec0\u4e48\u533a\u95f4\uff0c\u5bf9\u5e94\u66ff\u6362\u76f8\u5e94\u7684\u5b57\u7b26\u5c31\u53ef\u4ee5\u4e86\u3002<br>\u6bd4\u5982 a \u8fd9\u4e2a\u5b57\u7b26\u5bf9\u5e94\u7684\u662f&nbsp;<strong>0&#8212;&gt;25<\/strong>&nbsp;\u7684\u7070\u5ea6\u503c\u533a\u95f4\uff0c\u5982\u679c\u6211\u4eec\u83b7\u53d6\u5230\u56fe\u7247\u7684\u67d0\u4e00\u4e2a\u50cf\u7d20\u7684\u7070\u5ea6\u503c\u4e3a 24 \uff0c\u90a3\u4e48\u5c31\u5c06\u8fd9\u4e2a\u50cf\u7d20\u66ff\u6362\u4e3aa\u3002<\/p>\n\n\n\n<p>\u4e8b\u5c31\u662f\u8fd9\u4e48\u4e2a\u4e8b\uff0c\u6211\u4eec\u8fd8\u662f\u6765\u7528\u4ee3\u7801\u4f53\u73b0\u4e00\u4e0b\u4f1a\u6bd4\u8f83\u6e05\u6670\u3002<\/p>\n\n\n\n<h2><strong>0x00 | \u5b9a\u4e49\u5b57\u7b26\u4e32\u5217\u8868<\/strong><\/h2>\n\n\n\n<p><br>\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\uff0c\u6211\u4eec\u5c06\u7070\u5ea6\u503c\u4ee5 25 \u4e3a\u5355\u4f4d\u8fdb\u884c\u62c6\u5206\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5217\u8868\u5c31\u9700\u8981\u6709 11 \u4e2a\u5b57\u7b26\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"572\" height=\"29\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-20-04.png\" alt=\"\" class=\"wp-image-4493\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-20-04.png 572w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-20-04-300x15.png 300w\" sizes=\"(max-width: 572px) 100vw, 572px\" \/><\/figure>\n\n\n\n<p><strong>0x01 |&nbsp;\u83b7\u53d6\u56fe\u7247<\/strong><br>\u60f3\u8981\u901a\u8fc7\u547d\u4ee4\u76f4\u63a5\u83b7\u53d6\u56fe\u7247\u7684\u8def\u5f84\uff0c\u53ef\u4ee5\u7528 sys \u6a21\u5757\u4e2d\u7684 argv \u5c5e\u6027\uff0c\u4ece&nbsp;argv[1] \u4e2d\u53ef\u4ee5\u83b7\u53d6\u5230\u4f7f\u7528 Python \u547d\u4ee4\u643a\u5e26\u7684\u53c2\u6570\uff1a<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"375\" height=\"44\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-22-40.png\" alt=\"\" class=\"wp-image-4494\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-22-40.png 375w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-22-40-300x35.png 300w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/figure><\/div>\n\n\n\n<h2><strong>0x02 |\u00a0\u56fe\u7247\u7b49\u6bd4\u7f29\u653e<\/strong><\/h2>\n\n\n\n<p><br>\u6211\u4eec\u53ef\u4ee5\u81ea\u5df1\u5b9a\u4e49\u4e00\u4e0b\u8981\u8f93\u51fa\u7684\u5b57\u7b26\u56fe\u7247\u5c3a\u5bf8\u3002\u901a\u8fc7 Pillow \u5e93\u6253\u5f00\u56fe\u7247\uff0c\u7b49\u6bd4\u4f8b\u7f29\u653e\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"208\" height=\"23\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-31-55.png\" alt=\"\" class=\"wp-image-4495\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"319\" height=\"40\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-28-18.png\" alt=\"\" class=\"wp-image-4496\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-28-18.png 319w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-28-18-300x38.png 300w\" sizes=\"(max-width: 319px) 100vw, 319px\" \/><\/figure>\n\n\n\n<p>\u6bd4\u5982\u6211\u4eec\u5e0c\u671b\u8f93\u51fa\u7684\u5b57\u7b26\u56fe\u7247\u5bbd\u5ea6\u662f 100 \uff0c\u90a3\u4e48\u5c31\u5148\u83b7\u53d6\u4e0b\u539f\u56fe\u7684\u5bbd\u9ad8\uff0c\u8ba1\u7b97\u4e0b\u5bbd\u9ad8\u6bd4\uff0c\u7136\u540e\u5f97\u51fa\u65b0\u56fe\u7684\u5bbd\u9ad8\uff0c\u751f\u6210\u65b0\u7684\u56fe\u7247\uff1a<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"488\" height=\"146\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-30-07.png\" alt=\"\" class=\"wp-image-4497\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-30-07.png 488w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-30-07-300x90.png 300w\" sizes=\"(max-width: 488px) 100vw, 488px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2><strong>0x03 |\u00a0\u56fe\u7247\u8f6c\u6210\u7070\u5ea6<\/strong><\/h2>\n\n\n\n<p><br>\u5c06\u56fe\u7247\u8f6c\u5316\u4e3a\u7070\u5ea6\u5f88\u7b80\u5355\uff0c\u8c03\u7528 convert \u65b9\u6cd5\u5c31\u53ef\u4ee5\u4e86\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"339\" height=\"20\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-33-01.png\" alt=\"\" class=\"wp-image-4498\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-33-01.png 339w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-33-01-300x18.png 300w\" sizes=\"(max-width: 339px) 100vw, 339px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"366\" height=\"86\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-33-22.png\" alt=\"\" class=\"wp-image-4499\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-33-22.png 366w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-22-33-22-300x70.png 300w\" sizes=\"(max-width: 366px) 100vw, 366px\" \/><\/figure>\n\n\n\n<h2><strong>0x04 | \u83b7\u53d6\u56fe\u7247\u7684\u50cf\u7d20<\/strong><\/h2>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7 image.getdata \u6765\u83b7\u53d6\u56fe\u7247\u7684\u6240\u6709\u50cf\u7d20\u7070\u5ea6\u503c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"310\" height=\"64\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-23-08-25.png\" alt=\"\" class=\"wp-image-4500\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-23-08-25.png 310w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-23-08-25-300x62.png 300w\" sizes=\"(max-width: 310px) 100vw, 310px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u53ef\u4ee5\u6253\u5370\u770b\u770b\u8fd9\u4e9b\u50cf\u7d20\u503c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"377\" height=\"78\" src=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-23-10-21.png\" alt=\"\" class=\"wp-image-4501\" srcset=\"https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-23-10-21.png 377w, https:\/\/vip.fxxkpython.com\/wp-content\/uploads\/2020\/04\/Screenshot-from-2020-04-06-23-10-21-300x62.png 300w\" sizes=\"(max-width: 377px) 100vw, 377px\" 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