{"id":278,"date":"2018-10-10T19:50:31","date_gmt":"2018-10-10T11:50:31","guid":{"rendered":"https:\/\/develop-note.com\/blog\/?p=278"},"modified":"2022-02-16T22:18:33","modified_gmt":"2022-02-16T14:18:33","slug":"2019ironman-flask-restful-day09","status":"publish","type":"post","link":"https:\/\/www.develop-note.com\/blog\/2018\/10\/10\/2019ironman-flask-restful-day09\/","title":{"rendered":"\u7b2c\u5341\u5c46\u9435\u4eba\u8cfd flask-restful DAY09-\u641e\u61c2Python\u7684\u88dd\u98fe\u5668"},"content":{"rendered":"

\u88dd\u98fe\u5668\u80fd\u505a\u4ec0\u9ebc<\/h1>\n

\u76f8\u4fe1\u5f88\u591a\u8b80\u8005\u90fd\u807d\u904eAOP<\/a>\uff0c\u6240\u4ee5\u7b46\u8005\u5728\u6b64\u5c31\u4e0d\u52a0\u8d05\u8ff0\u4e86\uff0c\u800c\u88dd\u98fe\u5668\u5c31\u662f\u5be6\u73feAOP\u7684\u4e00\u7a2e\u7de8\u5beb\u7a0b\u5e8f\u3002\u7c21\u55ae\u89e3\u91cb\u88dd\u98fe\u5668\u7684\u529f\u7528\u5c31\u662f\uff0c\u518d\u4e0d\u66f4\u6539\u7a0b\u5e8f\u7684\u72c0\u6cc1\u4e0b\u80fd\u5920\u9644\u52a0\u529f\u80fd\u3002\u5728\u4ecb\u7d39\u5982\u4f55\u5be6\u4f5c\u88dd\u98fe\u5668\u524d\uff0c\u5148\u544a\u8a34\u5927\u5bb6\u5982\u4f55\u4f7f\u7528\u3002<\/p>\n

\u4f7f\u7528\u88dd\u98fe\u5668<\/h1>\n

\u5927\u5bb6\u5148\u770b\u4e00\u4e0b\u4e0b\u5217\u4f8b\u5b50\uff1a<\/p>\n

from flask import Flask\n\napp = Flask(__name__)\n@app.route("\/")\ndef hello():\n    return "Hello World!"\n\nif __name__ == "__main__":\n    app.run()<\/code><\/pre>\n
\u76f8\u4fe1\u5404\u4f4d\u8b80\u8005\u5c0d\u65bc\u9019\u4f8b\u5b50\u61c9\u8a72\u4e0d\u964c\u751f\uff0c\u6c92\u932f\u9019\u5c31\u662f\u7b2c\u4e00\u5929\u4ecb\u7d39\u7d66\u5927\u5bb6\u7684\u4f8b\u5b50\uff0c\u800c\u88dd\u98fe\u5668\u5728\u54ea\u5462\uff0c@app.route("\/")<\/code><\/code>\u9019\u5c31\u662f\u88dd\u98fe\u5668\uff0c\u56e0\u70ba\u6709\u5b83Python\u53ef\u4ee5\u5beb\u7684\u66f4\u7c21\u6f54\u3002<\/p>\n
\u5be6\u4f5c\u4e00\u500b\u88dd\u98fe\u5668<\/h1>\n
\u5728\u8a8d\u8b58\u5982\u4f55\u4f7f\u7528\u88dd\u98fe\u5668\u5f8c\u8981\u4ecb\u7d39\u5927\u5bb6\u5982\u4f55\u81ea\u8a02\u4e00\u500b\u88dd\u98fe\u5668\uff0c\u8acb\u5404\u4f4d\u8b80\u8005\u770b\u770b\u4ee5\u4e0b\u4f8b\u5b50\uff1a<\/p>\n
def printHello(func):\n    def wrapper():\n        print('Hello')\n        return func()\n    return wrapper\n\n@printHello\ndef printWorld():\n    print('World')\n\nprintWorld()<\/code><\/pre>\n
\u5982\u6b64\u7b2c\u4e00\u500b\u88dd\u98fe\u5668\u5b8c\u6210\u4e86\uff0c\u76f8\u4fe1\u5927\u5bb6\u61c9\u8a72\u77e5\u9053\u57f7\u884c\u5f8c\u6703\u986f\u793a\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n
Hello\nWorld<\/code><\/pre>\n
\u5c31\u9019\u6a23\u6211\u5011\u5efa\u7acb\u4e86\u4e00\u500b\u6703\u5370\u51faHello\u7684\u88dd\u98fe\u5668\uff0c\u6240\u4ee5\u7576\u6211\u5011\u9700\u8981\u4e00\u500b\u5370\u51faHello Kitty\u7684\u51fd\u5f0f\u8a72\u5982\u4f55\u5beb\u5462\uff1f\u76f8\u4fe1\u8a31\u591a\u8b80\u8005\u5df2\u7d93\u6709\u7b54\u6848\u4e86\uff0c\u5982\u679c\u9084\u6c92\u6709\u60f3\u6cd5\u8acb\u770b\u4ee5\u4e0b\u4f8b\u5b50\uff1a<\/p>\n
@printHello\ndef printKitty():\n    print('Kitty')\n\nprintKitty()<\/code><\/pre>\n
\u88dd\u98fe\u5668\u7684\u539f\u7406<\/h1>\n
\u88dd\u98fe\u5668\u662f\u600e\u6a23\u4e00\u500b\u8a9e\u6cd5\uff0c\u70ba\u4ec0\u9ebc\u4ed6\u80fd\u5920\u9019\u6a23\u5beb\uff0c\u518d\u4f86\u5c31\u662f\u4ed6\u9019\u6a23\u5beb\u662f\u4ee3\u8868\u751a\u9ebc\u5462?\u773c\u5c16\u7684\u8b80\u8005\u53ef\u4ee5\u770b\u5230\u4e00\u500b\u7279\u5225\u7684\u7b26\u865f@<\/code>`\u9019\u5c31\u662f\u4eba\u7a31Python<\/code>`@<\/code>`[\u8a9e\u6cd5\u7cd6](https:\/\/zh.wikipedia.org\/wiki\/%E8%AF%AD%E6%B3%95%E7%B3%96)\u7684\u6771\u897f\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u7684\u7a0b\u5e8f\u8b8a\u5f97\u7c21\u6f54\uff0c\u800c<\/code>`@<\/code><\/code>\u662f\u4ee3\u8868\u751a\u9ebc\u5462?\u8acb\u898b\u4ee5\u4e0b\u4f8b\u5b50:<\/p>\n
printWorld = printHello(printWorld)<\/code><\/pre>\n
\u4e0a\u8ff0\u53ef\u4ee5\u8aaa\u660e@<\/code>`\u7684\u529f\u7528\u5c31\u662f\u5c07<\/code>`printWorld<\/code>`\u4e1f\u5230<\/code>`printHello<\/code>`\u51fd\u5f0f\u4e2d\uff0c\u800c\u6211\u5011\u4e4b\u524d\u5b9a\u7fa9<\/code>`printHello<\/code>`\u51fd\u5f0f\u5c31\u662f\u5c07\u4e1f\u9032\u4f86\u7684\u53c3\u6578<\/code>`printWorld<\/code>`\u5305\u88dd\u5f8c\u50b3\u51fa\u53bb\u3002\u6240\u4ee5\u9019\u908a\u6700\u5916\u9762\u7684<\/code>`printWorld<\/code>`\u6240\u63a5\u6536\u5230\u7684\u6771\u897f\u5c31\u662f\u5305\u88dd\u5f8c\u7684<\/code>`wrapper()<\/code>`\uff0c\u6240\u4ee5\u547c\u53eb<\/code>`printWorld<\/code>`\u6642\u5176\u5be6\u662f\u547c\u53eb<\/code>`wrapper()<\/code>`\u6240\u4ee5\u6703\u5148\u5370\u51fa<\/code>`Hello<\/code>`\u5728\u57f7\u884c\u65b9\u6cd5<\/code>`printWorld<\/code><\/code>\u3002\u76f8\u4fe1\u9019\u6a23\u7684\u89e3\u91cb\u53ef\u4ee5\u8b93\u5927\u5bb6\u5c0d\u65bc\u88dd\u98fe\u5668\u6709\u66f4\u9032\u4e00\u6b65\u7684\u4e86\u89e3\u3002<\/p>\n
\u51fd\u5f0f\u7684\u53c3\u6578\u600e\u9ebc\u8fa6<\/h1>\n
\u5982\u679c\u8aaa\u88dd\u98fe\u5668\u6240\u88dd\u7684\u51fd\u5f0f\u9700\u8981\u8f38\u5165\u53c3\u6578\u8a72\u5982\u4f55\u8655\u7406\u5462\uff0c\u63db\u53e5\u8a71\u8aaa\u60f3\u8981\u6574\u5408printKitty\u8ddfprintWorld\u8a72\u5982\u4f55\u8655\u7406\u5462\uff1f\u76f8\u4fe1\u7d93\u904e\u4e0a\u8ff0\u7684\u4ecb\u7d39\u5f8c\u61c9\u8a72\u4e0d\u96e3\u8655\u7406\uff0c\u4e0d\u904e\u5982\u679c\u8b80\u8005\u5011\u4e0d\u77e5\u9053\u5982\u4f55\u8655\u7406\u8acb\u770b\u4e0b\u5217\u4f8b\u5b50\u5427\uff1a<\/p>\n
def printHello(func):\n    def wrapper(arg):\n        print('Hello')\n        return func(arg)\n    return wrapper\n\n@printHello\ndef printArg(arg):\n    print(arg)\n\nprintArg('World')\nprintArg('Kitty')<\/code><\/pre>\n
\u5c31\u9019\u6a23\u66f4\u9032\u4e00\u6b65\u7684\u88dd\u98fe\u5668\u5b8c\u6210\u4e86\uff0c\u5982\u6b64\u88dd\u98fe\u5668\u53ef\u4ee5\u628a\u53c3\u6578\u50b3\u9054\u7d66\u6240\u5b9a\u7fa9\u7684\u51fd\u5f0f\u3002<\/p>\n
\u51fd\u5f0f\u7684\u53c3\u6578\u5f88\u8907\u96dc\u600e\u9ebc\u8fa6<\/h1>\n
\u5982\u679c\u88dd\u98fe\u5668\u6240\u639b\u8f09\u7684\u51fd\u5f0f\u53c3\u6578\u5f88\u8907\u96dc\u6642\u8a72\u5982\u4f55\u8655\u7f6e\u5462\uff0c\u7e3d\u4e0d\u80fd\u5b9a\u4e86\u4e00\u5806\u985e\u4f3c\u7684\u88dd\u98fe\u5668\u5427\u3002\u6240\u4ee5\u9019\u88e1\u4ecb\u7d39\u4e00\u500b\u901a\u5403\u7684\u53c3\u6578\u8f38\u5165\u5b9a\u7fa9\u65b9\u5f0f\uff0c\u8acb\u898b\u4ee5\u4e0b\u4f8b\u5b50\uff1a<\/p>\n
def printHello(func):\n    def wrapper(*args, **kwargs):\n        print('Hello')\n        return func(*args, **kwargs)\n    return wrapper\n\n@printHello\ndef printSingle(arg):\n    print(arg)\n\n@printHello\ndef printDouble(arg1, arg2):\n    print(arg1)\n    print(arg2)\n\nprintSingle('World')\nprintDouble('Kitty', 'Danny')<\/code><\/pre>\n
\u5176\u4e2d*args, **kwargs\u662f\u751a\u9ebc\u6771\u897f\u554a?\u8acb\u770b\u4e0b\u5217\u8aaa\u660e\u3002<\/p>\n
*args\u8207**kwargs<\/h1>\n
\u5176\u4e2d*args<\/code>`\u662f\u4e00\u500b<\/code>`list<\/code>`\u6307\u7684\u662f\u4e0d\u8ad6\u500b\u6578\u7684\u8f38\u5165\u53c3\u6578\uff0c<\/code>`**kwargs<\/code>`\u662f\u4e00\u500b<\/code>`dict<\/code><\/code>\u6307\u7684\u662f\u4efb\u4f55\u540d\u5b50\u7684\u53c3\u6578\uff0c\u66f4\u9032\u4e00\u6b65\u8acb\u770b\u4e0b\u5217\u8aaa\u660e:<\/p>\n
def func(*args, **kwargs):\n    for item in args:\n        print("I'm args and value is {0}".format(item))\n    for key, value in kwargs.items():\n        print("I'm kwargs and key and value is {0}={1}".format(key, value))\n\nfunc([{\n    'name': 10,\n    'value': 20\n}, 1, 2, 3], 12364)\n\nfunc(name=1023)<\/code><\/pre>\n
\u7d50\u679c\u986f\u793a\u5982\u4e0b<\/p>\n
"I'm args and value is [{'name': 10, 'value': 20}, 1, 2, 3]"\n"I'm args and value is 12364"\n"I'm kwargs and key and value is name=1023"<\/code><\/pre>\n
\u900f\u904e\u9019\u5169\u500b\u53c3\u6578\u53ef\u4ee5\u6307\u5b9a\u6240\u6709\u7684\u8f38\u5165\u53c3\u6578\uff0c\u5982\u6b64\u88dd\u98fe\u5668\u7684\u529f\u80fd\u66f4\u5f37\u5927\u4e86\uff0c\u80fd\u5920\u7528\u5728\u66f4\u591a\u5730\u65b9\u4e86\u3002<\/p>\n
\u88dd\u98fe\u5668\u4e5f\u80fd\u52a0\u53c3\u6578<\/h1>\n
\u8655\u7406\u5b8c\u639b\u8f09\u7684\u88dd\u98fe\u5668\u4e4b\u5f8c\uff0c\u5982\u679c\u60f3\u8981\u5728\u88dd\u98fe\u5668\u4e0a\u8f38\u5165\u53c3\u6578\u8a72\u600e\u9ebc\u8fa6\u5462\uff0c\u5c31\u770b\u770b\u4e0b\u5217\u4f8b\u5b50\u5427\uff1a<\/p>\n
def printArg(arg):\n    def decorator(func):\n        def wrapper(*args, **kwargs):\n            print(arg)\n            return func(*args, **kwargs)\n\n        return wrapper\n\n    return decorator\n\n@printArg('Hi')\ndef sayHiAndPrintArg(arg):\n    print(arg)\n\nsayHiAndPrintArg('World')<\/code><\/pre>\n
\u5c0f\u7d50<\/h1>\n
\u6c92\u60f3\u5230\u5149\u4e00\u500b\u88dd\u98fe\u5668\u4e00\u5929\u9084\u4e0d\u5920\u8b1b\uff0c\u660e\u5929\u63a5\u7e8c\u8b1b\u88dd\u98fe\u5668\u9032\u968e\u7684\u7528\u6cd5\uff0c\u656c\u8acb\u671f\u5f85\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u88dd\u98fe\u5668\u80fd\u505a\u4ec0\u9ebc \u76f8\u4fe1\u5f88\u591a\u8b80\u8005\u90fd\u807d\u904eAOP\uff0c\u6240\u4ee5\u7b46\u8005\u5728\u6b64\u5c31\u4e0d\u52a0\u8d05\u8ff0\u4e86\uff0c\u800c\u88dd\u98fe\u5668\u5c31\u662f\u5be6\u73feAOP\u7684\u4e00\u7a2e\u7de8\u5beb\u7a0b\u5e8f\u3002\u7c21\u55ae … <\/p>\n
\u95b1\u8b80\u5168\u6587\u3008\u7b2c\u5341\u5c46\u9435\u4eba\u8cfd flask-restful DAY09-\u641e\u61c2Python\u7684\u88dd\u98fe\u5668\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[162,4,5,3],"class_list":["post-278","post","type-post","status-publish","format-standard","hentry","category-develop","tag-2018ironman","tag-flask","tag-flask-restful","tag-python"],"_links":{"self":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/comments?post=278"}],"version-history":[{"count":38,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/278\/revisions"}],"predecessor-version":[{"id":2760,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/278\/revisions\/2760"}],"wp:attachment":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/media?parent=278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/categories?post=278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/tags?post=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}