{"id":1121710,"date":"2025-01-08T19:12:39","date_gmt":"2025-01-08T11:12:39","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1121710.html"},"modified":"2025-01-08T19:12:45","modified_gmt":"2025-01-08T11:12:45","slug":"python%e9%87%8c%e9%9d%a2%e5%a6%82%e4%bd%95%e6%8b%b7%e8%b4%9d%e4%b8%80%e4%b8%aa%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1121710.html","title":{"rendered":"python\u91cc\u9762\u5982\u4f55\u62f7\u8d1d\u4e00\u4e2a\u5bf9\u8c61"},"content":{"rendered":"

\"python\u91cc\u9762\u5982\u4f55\u62f7\u8d1d\u4e00\u4e2a\u5bf9\u8c61\"<\/p>\n

Python\u91cc\u9762\u5982\u4f55\u62f7\u8d1d\u4e00\u4e2a\u5bf9\u8c61<\/strong>\uff1a\u4f7f\u7528copy.copy()<\/code>\u51fd\u6570\u3001\u4f7f\u7528copy.deepcopy()<\/code>\u51fd\u6570\u3001\u5b9e\u73b0\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\u3002\u4f7f\u7528copy.deepcopy()<\/code>\u51fd\u6570<\/strong>\u662f\u6700\u4e3a\u63a8\u8350\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u4f1a\u9012\u5f52\u5730\u590d\u5236\u5bf9\u8c61\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u786e\u4fdd\u5b8c\u5168\u72ec\u7acb\u7684\u526f\u672c\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u89e3\u91ca\u5982\u4f55\u5728Python\u4e2d\u62f7\u8d1d\u5bf9\u8c61\uff0c\u5e76\u63a2\u8ba8\u6bcf\u79cd\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001\u4f7f\u7528copy.copy()<\/code>\u51fd\u6570<\/h3>\n<\/p>\n

copy.copy()<\/code>\u51fd\u6570\u7528\u4e8e\u521b\u5efa\u5bf9\u8c61\u7684\u6d45\u62f7\u8d1d\u3002\u6d45\u62f7\u8d1d\u4f1a\u590d\u5236\u5bf9\u8c61\u672c\u8eab\uff0c\u4f46\u4e0d\u4f1a\u9012\u5f52\u5730\u590d\u5236\u5bf9\u8c61\u5185\u90e8\u7684\u6240\u6709\u5f15\u7528\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u5bf9\u8c61\u5185\u90e8\u6709\u5176\u4ed6\u5bf9\u8c61\u5f15\u7528\uff0c\u8fd9\u4e9b\u5f15\u7528\u5c06\u6307\u5411\u539f\u6765\u7684\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u65b0\u521b\u5efa\u7684\u526f\u672c\u3002<\/p>\n<\/p>\n

1.1\u3001\u6d45\u62f7\u8d1d\u7684\u57fa\u672c\u4f7f\u7528<\/h4>\n<\/p>\n

import copy<\/p>\n
class MyClass:<\/p>\n
    def __init__(self, value):<\/p>\n
        self.value = value<\/p>\n
obj1 = MyClass([1, 2, 3])<\/p>\n
obj2 = copy.copy(obj1)<\/p>\n
print(obj1.value)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
print(obj2.value)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
obj1.value.append(4)<\/p>\n
print(obj1.value)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
print(obj2.value)  # \u8f93\u51fa: [1, 2, 3, 4]  # \u6ce8\u610f\uff0c\u8fd9\u91ccobj2\u7684value\u4e5f\u88ab\u4fee\u6539\u4e86<\/p>\n
<\/code><\/pre>\n<\/p>\n
1.2\u3001\u6d45\u62f7\u8d1d\u7684\u4f18\u7f3a\u70b9<\/h4>\n<\/p>\n
    \n
  • \u4f18\u70b9<\/strong>\uff1a\u6d45\u62f7\u8d1d\u901f\u5ea6\u8f83\u5feb\uff0c\u9002\u7528\u4e8e\u5bf9\u8c61\u5185\u90e8\u6ca1\u6709\u590d\u6742\u5d4c\u5957\u7ed3\u6784\u7684\u60c5\u51b5\u3002<\/li>\n
  • \u7f3a\u70b9<\/strong>\uff1a\u6d45\u62f7\u8d1d\u65e0\u6cd5\u5904\u7406\u5bf9\u8c61\u5185\u90e8\u5d4c\u5957\u7684\u5f15\u7528\uff0c\u5bb9\u6613\u9020\u6210\u6570\u636e\u6df7\u6dc6\u3002<\/li>\n<\/ul>\n
    \u4e8c\u3001\u4f7f\u7528copy.deepcopy()<\/code>\u51fd\u6570<\/h3>\n<\/p>\n
    copy.deepcopy()<\/code>\u51fd\u6570\u7528\u4e8e\u521b\u5efa\u5bf9\u8c61\u7684\u6df1\u62f7\u8d1d\u3002\u6df1\u62f7\u8d1d\u4f1a\u9012\u5f52\u5730\u590d\u5236\u5bf9\u8c61\u5185\u90e8\u7684\u6240\u6709\u5f15\u7528\uff0c\u786e\u4fdd\u65b0\u5bf9\u8c61\u5b8c\u5168\u72ec\u7acb\u4e8e\u539f\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
    2.1\u3001\u6df1\u62f7\u8d1d\u7684\u57fa\u672c\u4f7f\u7528<\/h4>\n<\/p>\n
    import copy<\/p>\n
    class MyClass:<\/p>\n
        def __init__(self, value):<\/p>\n
            self.value = value<\/p>\n
    obj1 = MyClass([1, 2, 3])<\/p>\n
    obj2 = copy.deepcopy(obj1)<\/p>\n
    print(obj1.value)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
    print(obj2.value)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
    obj1.value.append(4)<\/p>\n
    print(obj1.value)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
    print(obj2.value)  # \u8f93\u51fa: [1, 2, 3]  # \u6ce8\u610f\uff0c\u8fd9\u91ccobj2\u7684value\u6ca1\u6709\u88ab\u4fee\u6539<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    2.2\u3001\u6df1\u62f7\u8d1d\u7684\u4f18\u7f3a\u70b9<\/h4>\n<\/p>\n
      \n
    • \u4f18\u70b9<\/strong>\uff1a\u6df1\u62f7\u8d1d\u80fd\u591f\u5b8c\u5168\u72ec\u7acb\u5730\u590d\u5236\u5bf9\u8c61\u53ca\u5176\u5185\u90e8\u5d4c\u5957\u7684\u6240\u6709\u5f15\u7528\uff0c\u907f\u514d\u6570\u636e\u6df7\u6dc6\u3002<\/li>\n
    • \u7f3a\u70b9<\/strong>\uff1a\u6df1\u62f7\u8d1d\u901f\u5ea6\u8f83\u6162\uff0c\u9002\u7528\u4e8e\u5bf9\u8c61\u5185\u90e8\u6709\u590d\u6742\u5d4c\u5957\u7ed3\u6784\u7684\u60c5\u51b5\u3002<\/li>\n<\/ul>\n
      \u4e09\u3001\u5b9e\u73b0\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5<\/h3>\n<\/p>\n
      \u6709\u65f6\uff0c\u5185\u7f6e\u7684copy.copy()<\/code>\u548ccopy.deepcopy()<\/code>\u51fd\u6570\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\uff0c\u6b64\u65f6\u53ef\u4ee5\u5b9e\u73b0\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
      3.1\u3001\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\u7684\u57fa\u672c\u5b9e\u73b0<\/h4>\n<\/p>\n
      class MyClass:<\/p>\n
          def __init__(self, value):<\/p>\n
              self.value = value<\/p>\n
          def __copy__(self):<\/p>\n
              return MyClass(self.value.copy())<\/p>\n
          def __deepcopy__(self, memo):<\/p>\n
              from copy import deepcopy<\/p>\n
              return MyClass(deepcopy(self.value, memo))<\/p>\n
      obj1 = MyClass([1, 2, 3])<\/p>\n
      obj2 = obj1.__copy__()<\/p>\n
      obj3 = obj1.__deepcopy__({})<\/p>\n
      print(obj1.value)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
      print(obj2.value)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
      print(obj3.value)  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
      obj1.value.append(4)<\/p>\n
      print(obj1.value)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
      print(obj2.value)  # \u8f93\u51fa: [1, 2, 3, 4]  # \u6d45\u62f7\u8d1d<\/p>\n
      print(obj3.value)  # \u8f93\u51fa: [1, 2, 3]  # \u6df1\u62f7\u8d1d<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      3.2\u3001\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9<\/h4>\n<\/p>\n
        \n
      • \u4f18\u70b9<\/strong>\uff1a\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\u53ef\u4ee5\u7cbe\u786e\u63a7\u5236\u5bf9\u8c61\u62f7\u8d1d\u7684\u884c\u4e3a\uff0c\u6ee1\u8db3\u7279\u6b8a\u9700\u6c42\u3002<\/li>\n
      • \u7f3a\u70b9<\/strong>\uff1a\u5b9e\u73b0\u590d\u6742\u5ea6\u8f83\u9ad8\uff0c\u9700\u8981\u7406\u89e3\u5bf9\u8c61\u7ed3\u6784\u548c\u62f7\u8d1d\u673a\u5236\u3002<\/li>\n<\/ul>\n
        \u56db\u3001\u5b9e\u4f8b\u5206\u6790\uff1a\u4e0d\u540c\u7c7b\u578b\u5bf9\u8c61\u7684\u62f7\u8d1d<\/h3>\n<\/p>\n
        \u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u5728\u62f7\u8d1d\u65f6\u53ef\u80fd\u8868\u73b0\u51fa\u4e0d\u540c\u7684\u884c\u4e3a\uff0c\u4e0b\u9762\u5c06\u8be6\u7ec6\u5206\u6790\u51e0\u79cd\u5e38\u89c1\u5bf9\u8c61\u7c7b\u578b\u7684\u62f7\u8d1d\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
        4.1\u3001\u5217\u8868\u5bf9\u8c61\u7684\u62f7\u8d1d<\/h4>\n<\/p>\n
        \u5217\u8868\u662fPython\u4e2d\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u62f7\u8d1d\u65b9\u5f0f\u6709\u591a\u79cd\u9009\u62e9\uff0c\u5305\u62ec\u6d45\u62f7\u8d1d\u3001\u6df1\u62f7\u8d1d\u548c\u5207\u7247\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
        import copy<\/p>\n
        list1 = [1, 2, [3, 4]]<\/p>\n
        list2 = copy.copy(list1)<\/p>\n
        list3 = copy.deepcopy(list1)<\/p>\n
        list4 = list1[:]<\/p>\n
        list1[2].append(5)<\/p>\n
        print(list1)  # \u8f93\u51fa: [1, 2, [3, 4, 5]]<\/p>\n
        print(list2)  # \u8f93\u51fa: [1, 2, [3, 4, 5]]  # \u6d45\u62f7\u8d1d<\/p>\n
        print(list3)  # \u8f93\u51fa: [1, 2, [3, 4]]  # \u6df1\u62f7\u8d1d<\/p>\n
        print(list4)  # \u8f93\u51fa: [1, 2, [3, 4, 5]]  # \u5207\u7247\u64cd\u4f5c\uff08\u6d45\u62f7\u8d1d\uff09<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        4.2\u3001\u5b57\u5178\u5bf9\u8c61\u7684\u62f7\u8d1d<\/h4>\n<\/p>\n
        \u5b57\u5178\u662fPython\u4e2d\u7684\u53e6\u4e00\u79cd\u91cd\u8981\u6570\u636e\u7ed3\u6784\uff0c\u5176\u62f7\u8d1d\u65b9\u5f0f\u4e5f\u6709\u591a\u79cd\u9009\u62e9\u3002<\/p>\n<\/p>\n
        import copy<\/p>\n
        dict1 = {'a': 1, 'b': {'c': 2}}<\/p>\n
        dict2 = copy.copy(dict1)<\/p>\n
        dict3 = copy.deepcopy(dict1)<\/p>\n
        dict1['b']['c'] = 3<\/p>\n
        print(dict1)  # \u8f93\u51fa: {'a': 1, 'b': {'c': 3}}<\/p>\n
        print(dict2)  # \u8f93\u51fa: {'a': 1, 'b': {'c': 3}}  # \u6d45\u62f7\u8d1d<\/p>\n
        print(dict3)  # \u8f93\u51fa: {'a': 1, 'b': {'c': 2}}  # \u6df1\u62f7\u8d1d<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        4.3\u3001\u81ea\u5b9a\u4e49\u7c7b\u5bf9\u8c61\u7684\u62f7\u8d1d<\/h4>\n<\/p>\n
        \u81ea\u5b9a\u4e49\u7c7b\u5bf9\u8c61\u7684\u62f7\u8d1d\u9700\u8981\u7279\u522b\u6ce8\u610f\uff0c\u5c24\u5176\u662f\u7c7b\u4e2d\u5305\u542b\u590d\u6742\u6570\u636e\u7ed3\u6784\u65f6\u3002<\/p>\n<\/p>\n
        import copy<\/p>\n
        class Node:<\/p>\n
            def __init__(self, value):<\/p>\n
                self.value = value<\/p>\n
                self.children = []<\/p>\n
        node1 = Node(1)<\/p>\n
        node2 = Node(2)<\/p>\n
        node1.children.append(node2)<\/p>\n
        node3 = copy.copy(node1)<\/p>\n
        node4 = copy.deepcopy(node1)<\/p>\n
        node1.children[0].value = 3<\/p>\n
        print(node1.children[0].value)  # \u8f93\u51fa: 3<\/p>\n
        print(node3.children[0].value)  # \u8f93\u51fa: 3  # \u6d45\u62f7\u8d1d<\/p>\n
        print(node4.children[0].value)  # \u8f93\u51fa: 2  # \u6df1\u62f7\u8d1d<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u4e94\u3001\u6027\u80fd\u6bd4\u8f83\u4e0e\u4f18\u5316\u5efa\u8bae<\/h3>\n<\/p>\n
        \u62f7\u8d1d\u5bf9\u8c61\u65f6\u9700\u8981\u8003\u8651\u6027\u80fd\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6027\u80fd\u6bd4\u8f83\u4e0e\u4f18\u5316\u5efa\u8bae\u3002<\/p>\n<\/p>\n
        5.1\u3001\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d\u7684\u6027\u80fd\u6bd4\u8f83<\/h4>\n<\/p>\n
        \u6d45\u62f7\u8d1d\u901a\u5e38\u6bd4\u6df1\u62f7\u8d1d\u901f\u5ea6\u5feb\uff0c\u56e0\u4e3a\u5b83\u53ea\u590d\u5236\u5bf9\u8c61\u672c\u8eab\uff0c\u800c\u4e0d\u9012\u5f52\u5730\u590d\u5236\u5bf9\u8c61\u5185\u90e8\u7684\u5f15\u7528\u3002\u7136\u800c\uff0c\u6d45\u62f7\u8d1d\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u6df7\u6dc6\uff0c\u5c24\u5176\u662f\u5904\u7406\u590d\u6742\u6570\u636e\u7ed3\u6784\u65f6\u3002<\/p>\n<\/p>\n
        5.2\u3001\u4f18\u5316\u5efa\u8bae<\/h4>\n<\/p>\n
          \n
        • \u9009\u62e9\u5408\u9002\u7684\u62f7\u8d1d\u65b9\u5f0f<\/strong>\uff1a\u6839\u636e\u5bf9\u8c61\u7684\u590d\u6742\u5ea6\u9009\u62e9\u6d45\u62f7\u8d1d\u6216\u6df1\u62f7\u8d1d\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6df1\u62f7\u8d1d\u64cd\u4f5c\u3002<\/li>\n
        • \u4f7f\u7528\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5<\/strong>\uff1a\u5982\u679c\u5185\u7f6e\u7684\u62f7\u8d1d\u65b9\u6cd5\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\uff0c\u53ef\u4ee5\u5b9e\u73b0\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\uff0c\u7cbe\u786e\u63a7\u5236\u62f7\u8d1d\u884c\u4e3a\u3002<\/li>\n
        • \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u62f7\u8d1d<\/strong>\uff1a\u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u5c3d\u91cf\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u62f7\u8d1d\u64cd\u4f5c\uff0c\u51cf\u5c11\u6027\u80fd\u5f00\u9500\u3002<\/li>\n<\/ul>\n
          \u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6cd5<\/h3>\n<\/p>\n
          \u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u62f7\u8d1d\u5bf9\u8c61\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
          6.1\u3001\u5faa\u73af\u5f15\u7528\u5bfc\u81f4\u7684\u6df1\u62f7\u8d1d\u95ee\u9898<\/h4>\n<\/p>\n
          \u5faa\u73af\u5f15\u7528\u662f\u6307\u5bf9\u8c61\u5185\u90e8\u7684\u5f15\u7528\u5f62\u6210\u73af\u8def\uff0c\u5bfc\u81f4copy.deepcopy()<\/code>\u51fd\u6570\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49__deepcopy__<\/code>\u65b9\u6cd5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<\/p>\n
          import copy<\/p>\n
          class Node:<\/p>\n
              def __init__(self, value):<\/p>\n
                  self.value = value<\/p>\n
                  self.children = []<\/p>\n
              def __deepcopy__(self, memo):<\/p>\n
                  if self in memo:<\/p>\n
                      return memo[self]<\/p>\n
                  copy_node = Node(self.value)<\/p>\n
                  memo[self] = copy_node<\/p>\n
                  copy_node.children = copy.deepcopy(self.children, memo)<\/p>\n
                  return copy_node<\/p>\n
          node1 = Node(1)<\/p>\n
          node2 = Node(2)<\/p>\n
          node1.children.append(node2)<\/p>\n
          node2.children.append(node1)<\/p>\n
          node3 = copy.deepcopy(node1)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          6.2\u3001\u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u62f7\u8d1d\u95ee\u9898<\/h4>\n<\/p>\n
          \u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u62f7\u8d1d\u53ef\u80fd\u9047\u5230\u4e00\u4e9b\u7279\u6b8a\u95ee\u9898\uff0c\u4f8b\u5982\u5bf9\u8c61\u4e2d\u5305\u542b\u4e0d\u53ef\u62f7\u8d1d\u7684\u8d44\u6e90\uff08\u5982\u6587\u4ef6\u53e5\u67c4\u3001\u7f51\u7edc\u8fde\u63a5\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<\/p>\n
          import copy<\/p>\n
          class Resource:<\/p>\n
              def __init__(self, name):<\/p>\n
                  self.name = name<\/p>\n
              def __copy__(self):<\/p>\n
                  return Resource(self.name)<\/p>\n
              def __deepcopy__(self, memo):<\/p>\n
                  return Resource(copy.deepcopy(self.name, memo))<\/p>\n
          resource1 = Resource('file.txt')<\/p>\n
          resource2 = copy.copy(resource1)<\/p>\n
          resource3 = copy.deepcopy(resource1)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
          \u5728Python\u4e2d\u62f7\u8d1d\u5bf9\u8c61\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528copy.copy()<\/code>\u51fd\u6570\u3001\u4f7f\u7528copy.deepcopy()<\/code>\u51fd\u6570\u4ee5\u53ca\u5b9e\u73b0\u81ea\u5b9a\u4e49\u62f7\u8d1d\u65b9\u6cd5\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u5408\u9002\u7684\u62f7\u8d1d\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6570\u636e\u6df7\u6dc6\u548c\u6027\u80fd\u95ee\u9898\u3002\u7406\u89e3\u5bf9\u8c61\u7684\u7ed3\u6784\u548c\u62f7\u8d1d\u673a\u5236\u662f\u5b9e\u73b0\u9ad8\u6548\u62f7\u8d1d\u7684\u5173\u952e\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u62f7\u8d1d\u65b9\u5f0f\uff0c\u5e76\u6ce8\u610f\u5904\u7406\u5e38\u89c1\u95ee\u9898\uff0c\u53ef\u4ee5\u786e\u4fdd\u5bf9\u8c61\u62f7\u8d1d\u7684\u6b63\u786e\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<\/p>\n
          \u901a\u8fc7\u4ee5\u4e0a\u8be6\u7ec6\u7684\u5206\u6790\u548c\u5b9e\u4f8b\u5c55\u793a\uff0c\u5e0c\u671b\u8bfb\u8005\u80fd\u591f\u5168\u9762\u638c\u63e1Python\u4e2d\u5bf9\u8c61\u62f7\u8d1d\u7684\u5404\u79cd\u65b9\u6cd5\u548c\u6280\u5de7\u3002<\/p>\n<\/p>\n
          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
           \u5728Python\u4e2d\uff0c\u5982\u4f55\u5224\u65ad\u4e00\u4e2a\u5bf9\u8c61\u662f\u5426\u53ef\u4ee5\u88ab\u6df1\u62f7\u8d1d\uff1f<\/strong>
          \u8981\u5224\u65ad\u4e00\u4e2a\u5bf9\u8c61\u662f\u5426\u53ef\u4ee5\u88ab\u6df1\u62f7\u8d1d\uff0c\u901a\u5e38\u9700\u8981\u8003\u8651\u5bf9\u8c61\u7684\u7c7b\u578b\u548c\u5185\u90e8\u7ed3\u6784\u3002\u5927\u591a\u6570\u5185\u7f6e\u7c7b\u578b\uff0c\u5982\u5217\u8868\u3001\u5b57\u5178\u548c\u96c6\u5408\u7b49\u90fd\u53ef\u4ee5\u88ab\u6df1\u62f7\u8d1d\u3002\u7136\u800c\uff0c\u67d0\u4e9b\u5bf9\u8c61\uff08\u4f8b\u5982\u6253\u5f00\u7684\u6587\u4ef6\u5bf9\u8c61\u6216\u7ebf\u7a0b\uff09\u53ef\u80fd\u65e0\u6cd5\u88ab\u6df1\u62f7\u8d1d\u3002\u53ef\u4ee5\u4f7f\u7528copy<\/code>\u6a21\u5757\u4e2d\u7684deepcopy<\/code>\u51fd\u6570\u6765\u5c1d\u8bd5\u6df1\u62f7\u8d1d\u5bf9\u8c61\uff0c\u5e76\u6355\u6349\u4efb\u4f55\u53ef\u80fd\u7684\u5f02\u5e38\uff0c\u4ece\u800c\u5224\u65ad\u5176\u53ef\u62f7\u8d1d\u6027\u3002<\/p>\n
          \u4f7f\u7528copy<\/code>\u6a21\u5757\u8fdb\u884c\u6d45\u62f7\u8d1d\u548c\u6df1\u62f7\u8d1d\u65f6\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong>
          \u6d45\u62f7\u8d1d\u53ea\u590d\u5236\u5bf9\u8c61\u672c\u8eab\u4ee5\u53ca\u5176\u76f4\u63a5\u5305\u542b\u7684\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u590d\u5236\u5d4c\u5957\u5bf9\u8c61\u7684\u5185\u5bb9\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5982\u679c\u539f\u59cb\u5bf9\u8c61\u4e2d\u7684\u5d4c\u5957\u5bf9\u8c61\u53d1\u751f\u53d8\u5316\uff0c\u6d45\u62f7\u8d1d\u540e\u7684\u5bf9\u8c61\u4e5f\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u76f8\u53cd\uff0c\u6df1\u62f7\u8d1d\u4f1a\u9012\u5f52\u5730\u590d\u5236\u6240\u6709\u5d4c\u5957\u5bf9\u8c61\uff0c\u786e\u4fdd\u539f\u59cb\u5bf9\u8c61\u548c\u62f7\u8d1d\u5bf9\u8c61\u4e4b\u95f4\u6ca1\u6709\u4efb\u4f55\u5171\u4eab\u7684\u53ef\u53d8\u5bf9\u8c61\u3002\u56e0\u6b64\uff0c\u4fee\u6539\u6df1\u62f7\u8d1d\u7684\u5d4c\u5957\u5bf9\u8c61\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u5bf9\u8c61\u3002<\/p>\n
          \u5728\u4f7f\u7528\u6df1\u62f7\u8d1d\u65f6\uff0c\u6709\u4ec0\u4e48\u6027\u80fd\u4e0a\u7684\u8003\u8651\uff1f<\/strong>
          \u6df1\u62f7\u8d1d\u901a\u5e38\u6bd4\u6d45\u62f7\u8d1d\u8017\u8d39\u66f4\u591a\u7684\u65f6\u95f4\u548c\u5185\u5b58\uff0c\u5c24\u5176\u662f\u5f53\u5bf9\u8c61\u975e\u5e38\u590d\u6742\u6216\u5d4c\u5957\u5c42\u7ea7\u8f83\u6df1\u65f6\u3002\u6bcf\u4e00\u4e2a\u5d4c\u5957\u5bf9\u8c61\u90fd\u9700\u8981\u88ab\u590d\u5236\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u4f7f\u7528\u6df1\u62f7\u8d1d\u65f6\uff0c\u5efa\u8bae\u8bc4\u4f30\u5bf9\u8c61\u7684\u590d\u6742\u6027\u4ee5\u53ca\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002\u5982\u679c\u5bf9\u8c61\u8f83\u4e3a\u7b80\u5355\u4e14\u4e0d\u5305\u542b\u5d4c\u5957\u7ed3\u6784\uff0c\u4f7f\u7528\u6d45\u62f7\u8d1d\u53ef\u80fd\u66f4\u4e3a\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u91cc\u9762\u5982\u4f55\u62f7\u8d1d\u4e00\u4e2a\u5bf9\u8c61\uff1a\u4f7f\u7528copy.copy()\u51fd\u6570\u3001\u4f7f\u7528copy.deepcopy()\u51fd\u6570\u3001\u5b9e\u73b0 […]","protected":false},"author":3,"featured_media":1121725,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1121710"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1121710"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1121710\/revisions"}],"predecessor-version":[{"id":1121729,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1121710\/revisions\/1121729"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1121725"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1121710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1121710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1121710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}