{"id":511,"date":"2019-01-09T00:27:33","date_gmt":"2019-01-08T15:27:33","guid":{"rendered":"https:\/\/www.nblog09.com\/w\/?p=511"},"modified":"2021-11-07T10:31:53","modified_gmt":"2021-11-07T01:31:53","slug":"python-protected-private","status":"publish","type":"post","link":"https:\/\/www.nblog09.com\/w\/2019\/01\/09\/python-protected-private\/","title":{"rendered":"Python\u306ePrivate\u5909\u6570\u3068Protected\u5909\u6570(_variable)\u3068Private\u5909\u6570(__variable)\u306b\u3064\u3044\u3066\u8a73\u7d30"},"content":{"rendered":"

Public, Protected, Private\u5909\u6570\u306e\u305d\u308c\u305e\u308c\u306e\u5ba3\u8a00\u65b9\u6cd5<\/h2>\n

Python\u306eProtected\u5909\u6570\u306f_(\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2)\u304c1\u3064\u306e\u3082\u306e\u3067\u3001Private\u5909\u6570\u306f_(\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2)\u304c\uff12\u3064\u306e\u3082\u306e\u3067\u3042\u308b\u3002
\n
\nPublic\u5909\u6570\u3001Protected\u5909\u6570\u3001Private\u5909\u6570\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u7279\u5fb4\u304c\u3042\u308b\u3002<\/p>\n

\"\"<\/p>\n

\u305d\u308c\u305e\u308c\u3001\u5b9a\u7fa9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u884c\u3046\u3002<\/p>\n

\n

Example<\/h4>\n
    \n
  • \u4e00\u822c\u7684\u306a\u5909\u6570\u306e\u5b9a\u7fa9(public\u5909\u6570)<\/li>\n<\/ul>\n
    \nclass Person:
    \n    def __init__(self, name, age):
    \n        self.name=name
    \n        self.age=age\n<\/div>\n

     <\/p>\n

      \n
    • Protected\u5909\u6570(\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3092\uff11\u3064\u3064\u3051\u308b)<\/li>\n<\/ul>\n
      \nclass Person:
      \n    def __init__(self, name, age):
      \n        self._name=name # _\u30921\u3064\u3064\u3051\u308b<\/strong>
      \n        self._age=age # _\u30921\u3064\u3064\u3051\u308b<\/strong>\n<\/div>\n

       <\/p>\n

        \n
      • Private\u5909\u6570(\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3092\uff12\u3064\u3064\u3051\u308b)<\/li>\n<\/ul>\n
        \nclass Person:
        \n    def __init__(self, name, age):
        \n        self.__name=name # _\u30922\u3064\u3064\u3051\u308b<\/strong>
        \n        self.__age=age # _\u30922\u3064\u3064\u3051\u308b<\/strong>\n<\/div>\n<\/div>\n
        <\/div>\n

        Public\u5909\u6570\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n

        Public\u5909\u6570\u306b\u306f\u3001\u30af\u30e9\u30b9\u5185\u3001\u7d99\u627f\u5148\u3001\u30af\u30e9\u30b9\u5916\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/span><\/p>\n

        \u5916\u90e8\u304b\u3089\u81ea\u7531\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u5229\u7528\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3001\u5916\u90e8\u304b\u3089\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3044\u5909\u6570\u306b\u306fPublic\u5909\u6570\u3092\u8a2d\u5b9a\u3057\u306a\u3044\u3002<\/p>\n

        \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001Public\u5909\u6570\u306f\u3001\u30af\u30e9\u30b9\u5185\u3001\u5b50\u30af\u30e9\u30b9\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002<\/p>\n

        \n

        Example<\/h4>\n
          \n
        • Public\u5909\u6570\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9<\/li>\n<\/ul>\n
          \n

          class Human:
          \n    msg = \"Hello\" # Public\u30af\u30e9\u30b9\u5909\u6570<\/strong>
          \n    def __init__(self, name, age):
          \n        self.name = name
          \n        self.age = age # Public\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570<\/strong>
          \n    def print_msg(self):
          \n        print(\"{} name = {}, age = {}\".format(self.msg, self.name, self.age))# Public\u5909\u6570\u306b\u30af\u30e9\u30b9\u5185\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/strong><\/p>\n

          class SubHuman(Human):<\/p>\n

              def print_all(self):
          \n        print(self.msg, self.name, self.age) # \u7d99\u627f\u3057\u305f\u5b50\u30af\u30e9\u30b9\u3067\u3082public\u5909\u6570\u306b\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/strong><\/p>\n

          ### \u30af\u30e9\u30b9\u306e\u5916 ###<\/strong>
          \ntaro = Human(\"Taro\", 20)
          \njiro = Human(\"Jiro\", 18) <\/p>\n

          print(taro.name) # \u30af\u30e9\u30b9\u5916\u304b\u3089\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/strong>
          \njiro.name = \"suburo\" # Public\u5909\u6570\u306f\u76f4\u63a5\u7de8\u96c6\u3067\u304d\u308b<\/strong><\/p>\n<\/div>\n<\/div>\n

          <\/div>\n

          Protected\u5909\u6570\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n

          \u4e00\u822c\u7684\u306b\u3001Protected\u5909\u6570\u306b\u306f\u3001\u30af\u30e9\u30b9\u5185\u3068\u30af\u30e9\u30b9\u81ea\u8eab\u3068\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u306e\u307f\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/span>
          \n\u305f\u3060\u3057\u3001Java\u306a\u3069\u306e\u8a00\u8a9e\u306eProtected\u5909\u6570\u3068\u7570\u306a\u308a\u3001python\u3067\u306f\u3001\u30af\u30e9\u30b9\u306e\u5916\u304b\u3089\u3067\u3082Protected\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002
          \n\u305d\u306e\u305f\u3081\u3001Protected\u5909\u6570\u306b\u306f\u30af\u30e9\u30b9\u5916\u304b\u3089\u306f\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3044\u3088\u3046\u306b\u5b9f\u88c5\u3059\u308b\u3002
          \n\uff08Example\u53c2\u7167\uff09<\/p>\n

          \n

          Example<\/h4>\n
            \n
          • Protected\u5909\u6570\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9<\/li>\n<\/ul>\n
            \nclass Human:
            \n    _msg = \"Hello\" # Protected\u30af\u30e9\u30b9\u5909\u6570<\/strong>
            \n    def __init__(self, name, age):
            \n        self._name = name
            \n        self._age = age # Protected\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570<\/strong>
            \n    def print_msg(self):
            \n        print(\"{} name = {}, age = {}\".format(self._msg, self._name, self._age))# Protected\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9<\/strong><\/p>\n

            ### \u30af\u30e9\u30b9\u306e\u5916 ###<\/strong>
            \ntaro = Human(\"Taro\", 20)
            \njiro = Human(\"Jiro\", 18) <\/p>\n

            print(taro._name) # \u30af\u30e9\u30b9\u5916\u304b\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304c\u3001Protected\u5909\u6570\u3067\u306f\u30af\u30e9\u30b9\u5916\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u306f\u975e\u63a8\u5968\u3067\u3001\u5b9f\u88c5\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/strong><\/p>\n

            jiro._name = \"suburo\" # \u307e\u305fProtected\u5909\u6570\u3092\u76f4\u63a5\u7de8\u96c6\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b<\/strong><\/p>\n<\/div>\n<\/div>\n

            <\/div>\n

            Private\u5909\u6570\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n

            Private\u5909\u6570\u306f\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u30922\u3064\u4ed8\u3051\u3066\u4f5c\u6210\u3059\u308b\u3002
            \nPrivate\u5909\u6570\u306f\u30af\u30e9\u30b9\u306e\u4e2d\u304b\u3089\u3057\u304b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044<\/span>\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u30af\u30e9\u30b9\u306e\u5916\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002
            \n\u305f\u3060\u3057\u3001Private\u5909\u6570\u3082\u3001\u7279\u6b8a\u306a\u65b9\u6cd5\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u540d._\u30af\u30e9\u30b9\u540d\u5909\u6570\u540d__\u5909\u6570\u540d\u3068\u3059\u308b\u3068<\/span>\uff09\u3067\u30af\u30e9\u30b9\u306e\u5916\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002<\/p>\n

            \n

            Example<\/h4>\n
              \n
            • Private\u5909\u6570\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9<\/li>\n<\/ul>\n
              \nclass Human:
              \n    __msg = \"Hello\" # Private\u30af\u30e9\u30b9\u5909\u6570<\/strong><\/p>\n

                  def __init__(self, name, age, gender):
              \n        self.__name = name
              \n        self.__age = age # Private\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570<\/strong>
              \n        self._gender = gender # Protected\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570<\/strong><\/p>\n

                  def print_msg(self):
              \n        print(\"{} name = {}, age = {}\".format(self.__msg, self.__name, self.__age))
              \n        # \u30af\u30e9\u30b9\u306e\u4e2d\u304b\u3089\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/strong><\/p>\n

              ### \u30af\u30e9\u30b9\u306e\u5916 ###<\/strong>
              \ntaro = Human(\"Taro\", 20, 'Man')
              \njiro = Human(\"Jiro\", 18, 'Man')<\/p>\n

              print(taro.__name) # \u3053\u308c\u3060\u3068\u30a2\u30af\u30bb\u30b9\u3067\u304d\u305a\u30a8\u30e9\u30fc\u306b\u306a\u308b(AttributeError: 'Human' object has no attribute '__name')<\/strong><\/p>\n

              print(taro._Human__name) # Private\u5909\u6570\u3060\u304c\u3001\u3053\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3059\u308b\u3068\u30af\u30e9\u30b9\u5916\u304b\u3089\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304c\u5b9f\u88c5\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/strong><\/p>\n

              jiro._Human__name = \"saburo\" # Private\u5909\u6570\u306e\u66f8\u304d\u63db\u3048\u3082\u3067\u304d\u308b<\/strong><\/p>\n

              print(jiro._Human__name)
              \njiro._Human__msg = \"GoodBye\"
              \nprint(jiro._Human__msg)<\/p>\n<\/div>\n

                \n
              • \u5b50\u30af\u30e9\u30b9\u304b\u3089\u306eProtected, Private\u5909\u6570\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/li>\n<\/ul>\n
                \n

                class SubHuman(Human):
                \n    def __init__(self, name, age, gender):
                \n        super().__init__(name, age, gender)<\/p>\n

                    def print_name(self):
                \n        print(self._gender) # Protected\u5909\u6570\u306f\u7d99\u627f\u5148\u304b\u3089\u3082\u53c2\u7167\u3067\u304d\u308b<\/strong>
                \n        print(self.__name) # Private\u5909\u6570\u306f\u3001\u7d99\u627f\u5148\u3060\u3068\u3053\u306e\u307e\u307e\u30a2\u30af\u30bb\u30b9\u3067\u304d\u305a\u30a8\u30e9\u30fc<\/strong><\/p>\n

                sample = SubHuman(\"Shiro\", 24, \"man\")
                \nsample.print_name()<\/p>\n<\/div>\n<\/div>\n

                \u4ee5\u4e0a\u3001Python\u306eProtected\u5909\u6570\u3068Private\u5909\u6570\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u305f\u3002<\/p>\n

                <\/div>\n","protected":false},"excerpt":{"rendered":"

                Public, Protected, Private\u5909\u6570\u306e\u305d\u308c\u305e\u308c\u306e\u5ba3\u8a00\u65b9\u6cd5 Python\u306eProtected\u5909\u6570\u306f_(\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2)\u304c1\u3064\u306e\u3082\u306e\u3067\u3001Private\u5909\u6570\u306f_(\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2)\u304c\uff12\u3064\u306e\u3082\u306e\u3067\u3042\u308b\u3002 Pub […]<\/p>\n","protected":false},"author":1,"featured_media":386,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[9,219],"tags":[216,215,14],"class_list":{"0":"post-511","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-python","8":"category-it-programming","9":"tag-private","10":"tag-protected","11":"tag-python","12":"entry"},"uagb_featured_image_src":{"full":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480.jpg",853,480,false],"thumbnail":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480-150x150.jpg",150,150,true],"medium":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480-300x169.jpg",300,169,true],"medium_large":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480-768x432.jpg",768,432,true],"large":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480.jpg",853,480,false],"1536x1536":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480.jpg",853,480,false],"2048x2048":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480.jpg",853,480,false],"home-middle":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480.jpg",622,350,false],"home-top":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480.jpg",746,420,false],"sidebar-thumbnail":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/01\/night-196431__480.jpg",100,56,false]},"uagb_author_info":{"display_name":"9nmatsumoto","author_link":"https:\/\/www.nblog09.com\/w\/author\/9nmatsumoto\/"},"uagb_comment_info":1,"uagb_excerpt":"Public, Protected, Private\u5909\u6570\u306e\u305d\u308c\u305e\u308c\u306e\u5ba3\u8a00\u65b9\u6cd5 Python\u306eProtected…","_links":{"self":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/comments?post=511"}],"version-history":[{"count":35,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/511\/revisions"}],"predecessor-version":[{"id":3550,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/511\/revisions\/3550"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/media\/386"}],"wp:attachment":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/media?parent=511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/categories?post=511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/tags?post=511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}