{"id":429224,"date":"2021-04-18T09:18:16","date_gmt":"2021-04-18T01:18:16","guid":{"rendered":"http:\/\/4563.org\/?p=429224"},"modified":"2021-04-18T09:18:16","modified_gmt":"2021-04-18T01:18:16","slug":"q%ef%bc%9a%e6%80%8e%e4%b9%88%e7%bb%99%e4%b8%80%e4%b8%aa%e4%b9%b1%e5%ba%8f%e5%85%83%e7%bb%84%e5%88%97%e8%a1%a8%e6%8c%89%e6%97%b6%e9%97%b4%e6%8e%92%e5%ba%8f%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=429224","title":{"rendered":"Q\uff1a\u600e\u4e48\u7ed9\u4e00\u4e2a\u4e71\u5e8f\u5143\u7ec4\u5217\u8868\u6309\u65f6\u95f4\u6392\u5e8f\uff1f"},"content":{"rendered":"
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Q\uff1a\u600e\u4e48\u7ed9\u4e00\u4e2a\u4e71\u5e8f\u5143\u7ec4\u5217\u8868\u6309\u65f6\u95f4\u6392\u5e8f\uff1f <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : maloneleo88 <\/span> <\/i> 7<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
list = [(‘2021-03-18 21:30’, ‘16863’, ‘4032’, ‘0’, ‘3’),(‘2021-03-18 19:15’, ‘42898’, ‘9917’, ‘2’, ‘2’),(‘2021-03-16 21:30’, ‘9918’, ‘7239’, ‘1’, ‘0’),(‘2021-03-16 19:15’, ‘9916’, ‘16988’, ‘1’, ‘0’),(‘2021-03-09 21:30’, ‘9924’, ‘9914’, ‘0’, ‘1’),(‘2021-03-18 21:30’, ‘16863’, ‘4032’, ‘0’, ‘3’)]<\/p>\n

\u8981\u8f6c\u6362\u65e5\u671f\u65f6\u95f4\u6210\u65f6\u95f4\u6233\u5417\uff1f\u8fd8\u662f\u6709\u66f4\u7b80\u5355\u7684\u65b9\u6cd5\uff1f\u4e3b\u8981\u5217\u8868\u91cc\u662f\u5143\u7ec4\uff0c\u5e94\u8be5\u600e\u4e48\u5199\u5462\uff1f
\u6211\u60f3\u5012\u5e8f\uff0c\u662f\u6309\u6b63\u5e8f\u6392\u5b8c\u4e86\u518d reversed \u5417\uff1f <\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (13<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : touchwithe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    list.sort(lambda item: datetime.datetime.strptime(item[0], \u2018%Y-%m-%D %H:%M\u2019), reverse=True)
    \u624b\u673a\u56de\u590d\uff0c\u6ca1\u6d4b\u8bd5\uff0c\u5e94\u8be5\u662f\u8fd9\u6837\u7684\u3002\u770b\u4e00\u4e0b list.sort \u7684\u4e24\u4e2a\u53c2\u6570\u5c31\u77e5\u9053\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \n
    \u8cc7\u6df1\u5927\u4f6c : echowuhao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u8f6c\u6362\u76f4\u63a5\u7528 str \u6bd4\u8f83\u5e94\u8be5\u4e5f\u662f\u5bf9\u7684\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : infun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    “`python
    import time<\/p>\n

    def take_first(elem):
    time_string = elem[0]
    return time_string<\/p>\n

    input_list = [(‘2021-03-18 21:30’, ‘16863’, ‘4032’, ‘0’, ‘3’),(‘2021-03-18 19:15’, ‘42898’, ‘9917’, ‘2’, ‘2’),(‘2021-03-16 21:30’, ‘9918’, ‘7239’, ‘1’, ‘0’),(‘2021-03-16 19:15’, ‘9916’, ‘16988’, ‘1’, ‘0’),(‘2021-03-09 21:30’, ‘9924’, ‘9914’, ‘0’, ‘1’),(‘2021-03-18 21:30’, ‘16863’, ‘4032’, ‘0’, ‘3’)]<\/p>\n

    input_list.sort(key=take_first, reverse=True)<\/p>\n

    print(input_list)
    “` <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Gorgine <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    list = [(‘2021-03-18 21:30’, ‘16863’, ‘4032’, ‘0’, ‘3’),(‘2021-03-18 19:15’, ‘42898’, ‘9917’, ‘2’, ‘2’),(‘2021-03-16 21:30’, ‘9918’, ‘7239’, ‘1’, ‘0’),(‘2021-03-16 19:15’, ‘9916’, ‘16988’, ‘1’, ‘0’),(‘2021-03-09 21:30’, ‘9924’, ‘9914’, ‘0’, ‘1’),(‘2021-03-18 21:30’, ‘16863’, ‘4032’, ‘0’, ‘3’)]
    sorted_list = sorted(list, key=lambda x: x[0], reverse=True)
    print(sorted_list) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : infun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0a\u8fd9\u4e2a\u66f4\u597d <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : maloneleo88 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @touchwithe
    @infun
    @echowuhao
    @infun
    \u8c22\u8c22\u554a \uff01\uff01\uff01 <\/p>\n

    @Gorgine \u8fd9\u4e48\u9a9a\u7684\u64cd\u4f5c\u662f\u600e\u4e48\u505a\u5230\u7684\uff0c \u4e5f\u6ca1\u7528 datatme \u3002 \u8bb2\u8bb2\u554a\u5927\u795e lambda \u4e0d\u592a\u61c2\uff0c\u4e0d\u5c31\u662f\u533f\u540d\u51fd\u6570\u5417\uff1f \u600e\u4e48\u5c31\u6309\u65f6\u95f4\u6392\u5217\u4e86\u5462\uff1f\uff1f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : touchwithe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @maloneleo88 \u5b57\u7b26\u4e32\u6392\u5e8f\u662f\u9010\u4e2a\u6bd4\u8f83\u5b57\u7b26\uff0c\u6240\u4ee5\u6b63\u597d\u548c\u65e5\u671f\u6392\u5e8f\u7684\u7ed3\u679c\u4e00\u6837 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Gorgine <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5bf9 \u65f6\u95f4\u6bd4\u8f83\u6ca1\u5fc5\u8981\u8f6c\u6210 datetime \u6216\u8005\u65f6\u95f4\u6233 \u5b57\u7b26\u4e32\u4e5f\u662f\u53ef\u4ee5\u6bd4\u8f83\u7684<\/p>\n

    sorted \u6709\u4e2a\u53c2\u6570\u53eb key\uff0c \u8fd9\u4e2a key \u53ef\u4ee5\u4f20\u4e2a\u51fd\u6570\u8fdb\u53bb\uff0c\u51fd\u6570\u7684\u53c2\u6570\u9ed8\u8ba4\u5c31\u662f\u8fd9\u4e2a list \u7684 item\uff0c\u5c31\u662f\u6bcf\u4e2a\u5143\u7956\uff0c\u6240\u4ee5\u5728\u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u91cc\u9762\u53d6 x[0]\uff0c\u5c31\u53d6\u5230\u6765\u5143\u7956\u7684\u7b2c\u4e00\u9879\uff0c\u4e5f\u5c31\u662f\u90a3\u4e2a\u65f6\u95f4\u5b57\u7b26\u4e32\uff0c\u7136\u540e sorted \u4f1a\u6839\u636e x[0]\u6765\u7ed9\u8fd9\u4e2a list \u6392\u5e8f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : maloneleo88 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @touchwithe
    @Gorgine <\/p>\n

    666<\/p>\n

    \u64e6\uff0c\u4e0d\u5b66\u4e86\u3002 \u6211\u8fd9\u6485\u815a\u6345\u5495\u4e00\u4e2a\u5c0f\u65f6\u6ca1\u6345\u5495\u51fa\u6765\u3002\u3002<\/p>\n

    \u8001\u5927\u4eec \u63a5\u6d3b\u5417\uff1f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : Gorgine <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @maloneleo88 \u63a5\u548b\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : maloneleo88 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Gorgine \u597d\u7684 \u7b49\u6709\u673a\u4f1a\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \n
    \u8cc7\u6df1\u5927\u4f6c : lululau <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    sorted_list = sorted(list, key=operator.itemgetter(0), reverse=True) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : lululau <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    https:\/\/gist.github.com\/lululau\/c740a2a3915358ec5ed0c8d613687f19