{"id":372,"date":"2022-02-08T19:59:44","date_gmt":"2022-02-08T11:59:44","guid":{"rendered":"http:\/\/47.98.165.52\/?p=372"},"modified":"2022-02-09T09:25:05","modified_gmt":"2022-02-09T01:25:05","slug":"%e7%94%9f%e6%88%90%e5%99%a8","status":"publish","type":"post","link":"\/?p=372","title":{"rendered":"\u751f\u6210\u5668"},"content":{"rendered":"

\u751f\u6210\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u7f16\u5199\u8fd4\u56de\u5143\u7d20\u5e8f\u5217\u7684\u51fd\u6570\u6240\u9700\u7684\u4ee3\u7801\u53d8\u5f97\u7b80\u5355\u3001\u9ad8\u6548\u3002\u57fa\u4e8eyield\u8bed\u53e5\uff0c\u751f\u6210\u5668\u53ef\u4ee5\u6682\u505c\u51fd\u6570\u5e76\u8fd4\u56de\u4e00\u4e2a\u4e2d\u95f4\u7ed3\u679c\u3002\u8be5\u51fd\u6570\u4f1a\u4fdd\u5b58\u6267\u884c\u4e0a\u4e0b\u6587\uff0c\u7a0d\u540e\u5728\u5fc5\u8981\u65f6\u53ef\u4ee5\u6062\u590d\u3002<\/p>\n

def fibonacci():\n    a, b = 0, 1\n    while True:\n        yield b\n        a, b = b, a+b<\/code><\/pre>\n
\u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\u4e00\u4e2agenerator\u5bf9\u8c61\uff0c\u662f\u7279\u6b8a\u7684\u8fed\u4ee3\u5668\uff0c\u5b83\u77e5\u9053\u5982\u4f55\u4fdd\u5b58\u4e0a\u4e0b\u6587\uff0c\u53ef\u4ee5\u88ab\u65e0\u9650\u6b21\u8c03\u7528\uff0c\u6bcf\u6b21\u90fd\u4f1a\u751f\u6210\u5e8f\u5217\u7684\u4e0b\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n
def power(values):\n    for value in values:\n        print('powering %s' % value)\n        yield value\ndef adder(values):\n    for value in values:\n        print('adding to %s' % value)\n    if value % 2 == 0:\n        yield value +3\n    else:\n        yield value + 2    <\/code><\/pre>\n
\u751f\u6210\u5668\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u7279\u6027\uff0c\u5c31\u662f\u80fd\u591f\u5229\u7528next\u51fd\u6570\u4e0e\u8c03\u7528\u7684\u4ee3\u7801\u8fdb\u884c\u4ea4\u4e92\u3002yield\u53d8\u6210\u4e86\u4e00\u4e2a\u8868\u8fbe\u5f0f\uff0c\u800c\u503c\u53ef\u4ee5\u901a\u8fc7\u540d\u4e3asend\u7684\u65b0\u65b9\u6cd5\u8fdb\u884c\u4f20\u9012\u3002<\/p>\n
def psychologist():\n    print('Please tell me your problems')\n    while True:\n        answer = (yield)\n        if answer is not None:\n            if answer.endswith('?'):\n                print("Don't ask yourself too much questions")\n            elif 'good' in answer:\n                print("Ahh that's good, go on")\n            elif 'bad' in answer:\n                print("Don't be so nagative")<\/code><\/pre>\n
\u4e0b\u9762\u662f\u8c03\u7528psychologist()<\/code>\u7684\u793a\u4f8b\u5bf9\u8bdd<\/p>\n
In [12]: free = psychologist()\n\nIn [13]: next(free)\nPlease tell me your problems\n\nIn [14]: free.send('I feel bad')\nDon't be so nagative\n\nIn [15]: free.send('Fuck you?')\nDon't ask yourself too much questions\n\nIn [16]: free.send('ok, fuck your mom is good')\nAhh that's good, go on<\/code><\/pre>\n
send\u7684\u4f5c\u7528\u548cnext\u7c7b\u4f3c\uff0c\u4f46\u4f1a\u5c06\u51fd\u6570\u5b9a\u4e49\u5185\u90e8\u4f20\u5165\u7684\u503c\u53d8\u6210yield\u7684\u8fd4\u56de\u503c\u3002incident\uff0c\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u6839\u636e\u5ba2\u6237\u7aef\u4ee3\u7801\u6765\u6539\u53d8\u81ea\u8eab\u884c\u4e3a\u3002\u4e3a\u5b8c\u6210\u8fd9\u4e00\u884c\u4e3a\uff0c\u8fd8\u6dfb\u52a0\u4e86\u53e6\u5916\u4e24\u4e2a\u51fd\u6570\uff1athrow<\/strong>\u548cclose<\/strong>\u3002\u5b83\u4eec\u5c06\u5411\u751f\u6210\u5668\u629b\u51fa\u9519\u8bef\u3002<\/p>\n
    \n
  • throw:\u5141\u8bb8\u5ba2\u6237\u7aef\u4ee3\u7801\u53d1\u9001\u8981\u629b\u51fa\u7684\u4efb\u4f55\u7c7b\u578b\u7684\u5f02\u5e38\u3002<\/li>\n
  • close:\u4f5c\u7528\u76f8\u540c\uff0c\u4f46\u4f1a\u5f15\u53d1\u7279\u5b9a\u7684\u5f02\u5e38\u2014\u2014GeneratorExit\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u751f\u6210\u5668\u51fd\u6570\u5fc5\u987b\u518d\u6b21\u5f15\u53d1GeneratorExit\u6216StopIteration\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    \u751f\u6210\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u7f16\u5199\u8fd4\u56de\u5143\u7d20\u5e8f\u5217\u7684\u51fd\u6570\u6240\u9700\u7684\u4ee3\u7801\u53d8\u5f97\u7b80\u5355\u3001\u9ad8\u6548\u3002\u57fa\u4e8eyield\u8bed\u53e5\uff0c\u751f\u6210\u5668\u53ef\u4ee5\u6682\u505c\u51fd\u6570\u5e76\u8fd4\u56de\u4e00\u4e2a\u4e2d\u95f4\u7ed3   \u2026 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[34],"tags":[],"_links":{"self":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts\/372"}],"collection":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=372"}],"version-history":[{"count":2,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/372\/revisions"}],"predecessor-version":[{"id":374,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/372\/revisions\/374"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=372"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}