{"id":1093765,"date":"2025-01-08T14:34:20","date_gmt":"2025-01-08T06:34:20","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1093765.html"},"modified":"2025-01-08T14:34:23","modified_gmt":"2025-01-08T06:34:23","slug":"python%e6%9e%9a%e4%b8%be%e7%b1%bb%e5%9e%8b%e5%a6%82%e4%bd%95%e5%ad%98%e6%95%b0%e6%8d%ae%e5%ba%93-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1093765.html","title":{"rendered":"python\u679a\u4e3e\u7c7b\u578b\u5982\u4f55\u5b58\u6570\u636e\u5e93"},"content":{"rendered":"

\"python\u679a\u4e3e\u7c7b\u578b\u5982\u4f55\u5b58\u6570\u636e\u5e93\"<\/p>\n

Python\u679a\u4e3e\u7c7b\u578b\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u7684\u65b9\u6cd5\u6709\uff1a\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3001\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u6574\u578b\u3001\u4f7f\u7528\u5e8f\u5217\u5316\u65b9\u5f0f\u5b58\u50a8\u3002<\/strong> \u5176\u4e2d\uff0c\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u8f83\u4e3a\u5e38\u89c1\u548c\u76f4\u89c2\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u63cf\u8ff0\u8fd9\u79cd\u65b9\u6cd5\uff0c\u5e76\u4ecb\u7ecd\u5176\u4ed6\u65b9\u6cd5\u5728\u4e0d\u540c\u60c5\u5883\u4e0b\u7684\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n

\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u52bf\u5728\u4e8e\u76f4\u89c2\u3001\u6613\u4e8e\u8c03\u8bd5\u548c\u7ef4\u62a4\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u5b9a\u4e49\u679a\u4e3e\u7c7b\u578b<\/strong>\uff1a\u9996\u5148\uff0c\u9700\u8981\u5728Python\u4ee3\u7801\u4e2d\u5b9a\u4e49\u679a\u4e3e\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u4e00\u4e2a\u989c\u8272\u679a\u4e3e\u7c7b\uff1a<\/p>\n<\/p>\n

    from enum import Enum<\/p>\n
    class Color(Enum):<\/p>\n
        RED = "red"<\/p>\n
        GREEN = "green"<\/p>\n
        BLUE = "blue"<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  2. \n
    \u5b58\u50a8\u679a\u4e3e\u503c<\/strong>\uff1a\u5728\u5c06\u679a\u4e3e\u503c\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    color = Color.RED<\/p>\n
    color_str = color.value  # \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32 'red'<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  3. \n
    \u5b58\u50a8\u5230\u6570\u636e\u5e93<\/strong>\uff1a\u5c06\u8f6c\u6362\u540e\u7684\u5b57\u7b26\u4e32\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<\/p>\n
    import sqlite3<\/p>\n
    conn = sqlite3.connect('example.db')<\/p>\n
    c = conn.cursor()<\/p>\n
    \u521b\u5efa\u8868<\/strong><\/h2>\n
    c.execute('''CREATE TABLE IF NOT EXISTS colors (id INTEGER PRIMARY KEY, color TEXT)''')<\/p>\n
    \u63d2\u5165\u6570\u636e<\/strong><\/h2>\n
    c.execute("INSERT INTO colors (color) VALUES (?)", (color_str,))<\/p>\n
    conn.commit()<\/p>\n
    conn.close()<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  4. \n
    \u8bfb\u53d6\u679a\u4e3e\u503c<\/strong>\uff1a\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u503c\u5e76\u8f6c\u6362\u56de\u679a\u4e3e\u7c7b\u578b\u3002<\/p>\n<\/p>\n
    conn = sqlite3.connect('example.db')<\/p>\n
    c = conn.cursor()<\/p>\n
    c.execute("SELECT color FROM colors WHERE id=?", (1,))<\/p>\n
    row = c.fetchone()<\/p>\n
    color_str = row[0]<\/p>\n
    color = Color(color_str)  # \u8f6c\u6362\u56de\u679a\u4e3e\u7c7b\u578b<\/p>\n
    conn.close()<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u6574\u578b<\/h3>\n<\/p>\n
    \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u6574\u578b\u8fdb\u884c\u5b58\u50a8\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u679a\u4e3e\u503c\u8f83\u591a\u4e14\u6709\u660e\u663e\u6392\u5e8f\u6216\u6570\u503c\u542b\u4e49\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
      \n
    1. \n
      \u5b9a\u4e49\u679a\u4e3e\u7c7b\u578b<\/strong>\uff1a\u5b9a\u4e49\u679a\u4e3e\u7c7b\u578b\u65f6\uff0c\u8d4b\u4e88\u6bcf\u4e2a\u679a\u4e3e\u503c\u4e00\u4e2a\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      from enum import Enum<\/p>\n
      class Status(Enum):<\/p>\n
          PENDING = 1<\/p>\n
          ACTIVE = 2<\/p>\n
          INACTIVE = 3<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      \u5b58\u50a8\u679a\u4e3e\u503c<\/strong>\uff1a\u5728\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n<\/p>\n
      status = Status.ACTIVE<\/p>\n
      status_int = status.value  # \u8f6c\u6362\u4e3a\u6574\u6570 2<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    3. \n
      \u5b58\u50a8\u5230\u6570\u636e\u5e93<\/strong>\uff1a\u5c06\u8f6c\u6362\u540e\u7684\u6574\u6570\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<\/p>\n
      conn = sqlite3.connect('example.db')<\/p>\n
      c = conn.cursor()<\/p>\n
      \u521b\u5efa\u8868<\/strong><\/h2>\n
      c.execute('''CREATE TABLE IF NOT EXISTS statuses (id INTEGER PRIMARY KEY, status INTEGER)''')<\/p>\n
      \u63d2\u5165\u6570\u636e<\/strong><\/h2>\n
      c.execute("INSERT INTO statuses (status) VALUES (?)", (status_int,))<\/p>\n
      conn.commit()<\/p>\n
      conn.close()<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    4. \n
      \u8bfb\u53d6\u679a\u4e3e\u503c<\/strong>\uff1a\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u503c\u5e76\u8f6c\u6362\u56de\u679a\u4e3e\u7c7b\u578b\u3002<\/p>\n<\/p>\n
      conn = sqlite3.connect('example.db')<\/p>\n
      c = conn.cursor()<\/p>\n
      c.execute("SELECT status FROM statuses WHERE id=?", (1,))<\/p>\n
      row = c.fetchone()<\/p>\n
      status_int = row[0]<\/p>\n
      status = Status(status_int)  # \u8f6c\u6362\u56de\u679a\u4e3e\u7c7b\u578b<\/p>\n
      conn.close()<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528\u5e8f\u5217\u5316\u65b9\u5f0f\u5b58\u50a8<\/h3>\n<\/p>\n
      \u5bf9\u4e8e\u590d\u6742\u7684\u679a\u4e3e\u7c7b\u578b\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5e8f\u5217\u5316\u65b9\u5f0f\u8fdb\u884c\u5b58\u50a8\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u679a\u4e3e\u7c7b\u578b\u5305\u542b\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
        \n
      1. \n
        \u5b9a\u4e49\u590d\u6742\u679a\u4e3e\u7c7b\u578b<\/strong>\uff1a\u5b9a\u4e49\u5305\u542b\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u679a\u4e3e\u7c7b\u578b\u3002<\/p>\n<\/p>\n
        from enum import Enum<\/p>\n
        import json<\/p>\n
        class ComplexEnum(Enum):<\/p>\n
            OPTION_A = {"name": "Option A", "value": 1}<\/p>\n
            OPTION_B = {"name": "Option B", "value": 2}<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        \u5e8f\u5217\u5316\u679a\u4e3e\u503c<\/strong>\uff1a\u5728\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c06\u679a\u4e3e\u503c\u5e8f\u5217\u5316\u4e3aJSON\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
        option = ComplexEnum.OPTION_A<\/p>\n
        option_json = json.dumps(option.value)  # \u5e8f\u5217\u5316\u4e3a JSON \u5b57\u7b26\u4e32<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      3. \n
        \u5b58\u50a8\u5230\u6570\u636e\u5e93<\/strong>\uff1a\u5c06\u5e8f\u5217\u5316\u540e\u7684\u5b57\u7b26\u4e32\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<\/p>\n
        conn = sqlite3.connect('example.db')<\/p>\n
        c = conn.cursor()<\/p>\n
        \u521b\u5efa\u8868<\/strong><\/h2>\n
        c.execute('''CREATE TABLE IF NOT EXISTS complex_options (id INTEGER PRIMARY KEY, option TEXT)''')<\/p>\n
        \u63d2\u5165\u6570\u636e<\/strong><\/h2>\n
        c.execute("INSERT INTO complex_options (option) VALUES (?)", (option_json,))<\/p>\n
        conn.commit()<\/p>\n
        conn.close()<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      4. \n
        \u53cd\u5e8f\u5217\u5316\u679a\u4e3e\u503c<\/strong>\uff1a\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u503c\u5e76\u53cd\u5e8f\u5217\u5316\u4e3a\u679a\u4e3e\u7c7b\u578b\u3002<\/p>\n<\/p>\n
        conn = sqlite3.connect('example.db')<\/p>\n
        c = conn.cursor()<\/p>\n
        c.execute("SELECT option FROM complex_options WHERE id=?", (1,))<\/p>\n
        row = c.fetchone()<\/p>\n
        option_json = row[0]<\/p>\n
        option_dict = json.loads(option_json)<\/p>\n
        option = ComplexEnum(option_dict)  # \u53cd\u5e8f\u5217\u5316\u4e3a\u679a\u4e3e\u7c7b\u578b<\/p>\n
        conn.close()<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
        \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u60c5\u51b5\u548c\u9700\u6c42\u3002\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5<\/strong>\u8f83\u4e3a\u5e38\u89c1\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u573a\u666f\uff1b\u5c06\u679a\u4e3e\u503c\u8f6c\u6362\u4e3a\u6574\u578b\u7684\u65b9\u6cd5<\/strong>\u9002\u7528\u4e8e\u679a\u4e3e\u503c\u8f83\u591a\u4e14\u6709\u6570\u503c\u542b\u4e49\u7684\u60c5\u51b5\uff1b\u4f7f\u7528\u5e8f\u5217\u5316\u65b9\u5f0f\u5b58\u50a8\u7684\u65b9\u6cd5<\/strong>\u9002\u7528\u4e8e\u590d\u6742\u679a\u4e3e\u7c7b\u578b\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9700\u8981\u786e\u4fdd\u5728\u5b58\u50a8\u548c\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u4e00\u81f4\u6027\uff0c\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u6570\u636e\u9a8c\u8bc1\u548c\u9519\u8bef\u5904\u7406\u3002<\/p>\n<\/p>\n
        \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
         1. \u5982\u4f55\u5c06Python\u4e2d\u7684\u679a\u4e3e\u7c7b\u578b\u8f6c\u6362\u4e3a\u6570\u636e\u5e93\u53ef\u4ee5\u5b58\u50a8\u7684\u683c\u5f0f\uff1f<\/strong>
        \u5728Python\u4e2d\uff0c\u679a\u4e3e\u7c7b\u578b\u901a\u5e38\u662f\u901a\u8fc7Enum<\/code>\u7c7b\u5b9a\u4e49\u7684\u3002\u4e3a\u4e86\u5c06\u679a\u4e3e\u7c7b\u578b\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u53ef\u4ee5\u5c06\u679a\u4e3e\u6210\u5458\u7684\u503c\uff08\u4f8b\u5982\uff0c\u6574\u6570\u6216\u5b57\u7b26\u4e32\uff09\u4f5c\u4e3a\u5b57\u6bb5\u7684\u503c\u5b58\u50a8\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u679a\u4e3e\u65f6\u4f7f\u7528\u7684\u503c\u8fdb\u884c\u6620\u5c04\uff0c\u5e76\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6570\u636e\u5e93\u8bb0\u5f55\u65f6\u4f7f\u7528\u8fd9\u4e9b\u503c\u3002<\/p>\n
        2. \u6570\u636e\u5e93\u4e2d\u5b58\u50a8\u7684\u679a\u4e3e\u503c\u5982\u4f55\u4e0ePython\u679a\u4e3e\u7c7b\u578b\u8fdb\u884c\u5339\u914d\uff1f<\/strong>
        \u5728\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u679a\u4e3e\u503c\u65f6\uff0c\u53ef\u4ee5\u5c06\u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u56de\u76f8\u5e94\u7684Python\u679a\u4e3e\u6210\u5458\u3002\u8fd9\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u67e5\u8be2\u7ed3\u679c\u4e0e\u679a\u4e3e\u7c7b\u4e2d\u7684\u6210\u5458\u503c\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528Enum<\/code>\u7684__members__.items()<\/code>\u65b9\u6cd5\u904d\u5386\u6240\u6709\u6210\u5458\uff0c\u627e\u5230\u4e0e\u6570\u636e\u5e93\u4e2d\u5b58\u50a8\u7684\u503c\u5339\u914d\u7684\u6210\u5458\u3002<\/p>\n
        3. \u4f7f\u7528ORM\u6846\u67b6\u65f6\uff0c\u5982\u4f55\u5904\u7406Python\u679a\u4e3e\u7c7b\u578b\u7684\u5b58\u50a8\u4e0e\u8bfb\u53d6\uff1f<\/strong>
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