{"id":854,"date":"2022-06-07T10:44:34","date_gmt":"2022-06-07T02:44:34","guid":{"rendered":"http:\/\/47.98.165.52\/?p=854"},"modified":"2022-06-07T10:44:34","modified_gmt":"2022-06-07T02:44:34","slug":"__repr__%e6%96%b9%e6%b3%95%ef%bc%9a%e6%98%be%e7%a4%ba%e5%b1%9e%e6%80%a7","status":"publish","type":"post","link":"\/?p=854","title":{"rendered":"__repr__()\u65b9\u6cd5\uff1a\u663e\u793a\u5c5e\u6027"},"content":{"rendered":"<p>\u6211\u4eec\u7ecf\u5e38\u4f1a\u76f4\u63a5\u8f93\u51fa\u7c7b\u7684\u5b9e\u4f8b\u5316\u5bf9\u8c61\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">class CLanguage:    \n    pass\nclangs = CLanguage()\nprint(clangs)<\/code><\/pre>\n<p>\u7a0b\u5e8f\u8fd0\u884c\u7ed3\u679c\u4e3a\uff1a<\/p>\n<pre><code>&lt;__main__.CLanguage object at 0x000001A7275221D0&gt;<\/code><\/pre>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u76f4\u63a5\u8f93\u51fa\u67d0\u4e2a\u5b9e\u4f8b\u5316\u5bf9\u8c61\uff0c\u672c\u610f\u5f80\u5f80\u662f\u60f3\u4e86\u89e3\u8be5\u5bf9\u8c61\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u4f8b\u5982\u8be5\u5bf9\u8c61\u6709\u54ea\u4e9b\u5c5e\u6027\uff0c\u5b83\u4eec\u7684\u503c\u5404\u662f\u591a\u5c11\u7b49\u7b49\u3002\u4f46\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5f97\u5230\u7684\u4fe1\u606f\u53ea\u4f1a\u662f\u201c\u7c7b\u540d+object at+\u5185\u5b58\u5730\u5740\u201d\uff0c\u5bf9\u6211\u4eec\u4e86\u89e3\u8be5\u5b9e\u4f8b\u5316\u5bf9\u8c61\u5e2e\u52a9\u4e0d\u5927\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u6709\u6ca1\u6709\u53ef\u80fd\u81ea\u5b9a\u4e49\u8f93\u51fa\u5b9e\u4f8b\u5316\u5bf9\u8c61\u65f6\u7684\u4fe1\u606f\u5462\uff1f\u7b54\u6848\u662f\u80af\u5b9a\uff0c\u901a\u8fc7\u91cd\u5199\u7c7b\u7684 <strong>repr<\/strong>() \u65b9\u6cd5\u5373\u53ef\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5f53\u6211\u4eec\u8f93\u51fa\u67d0\u4e2a\u5b9e\u4f8b\u5316\u5bf9\u8c61\u65f6\uff0c\u5176\u8c03\u7528\u7684\u5c31\u662f\u8be5\u5bf9\u8c61\u7684 <strong>repr<\/strong>() \u65b9\u6cd5\uff0c\u8f93\u51fa\u7684\u662f\u8be5\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u3002<\/p>\n<p>\u4ee5\u672c\u8282\u5f00\u5934\u7684\u7a0b\u5e8f\u4e3a\u4f8b\uff0c\u6267\u884c print(clangs) \u7b49\u540c\u4e8e\u6267\u884c print(clangs.<strong>repr<\/strong>())\uff0c\u7a0b\u5e8f\u7684\u8f93\u51fa\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff08\u8f93\u51fa\u7684\u5185\u5b58\u5730\u5740\u53ef\u80fd\u4e0d\u540c\uff09\u3002<\/p>\n<p>\u548c <strong>init<\/strong>(self) \u7684\u6027\u8d28\u4e00\u6837\uff0c<a href=\"http:\/\/c.biancheng.net\/python\/\">Python<\/a> \u4e2d\u7684\u6bcf\u4e2a\u7c7b\u90fd\u5305\u542b <strong>repr<\/strong>() \u65b9\u6cd5\uff0c\u56e0\u4e3a object \u7c7b\u5305\u542b <strong>reper<\/strong>() \u65b9\u6cd5\uff0c\u800c Python \u4e2d\u6240\u6709\u7684\u7c7b\u90fd\u76f4\u63a5\u6216\u95f4\u63a5\u7ee7\u627f\u81ea object \u7c7b\u3002<\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<strong>repr<\/strong>() \u4f1a\u8fd4\u56de\u548c\u8c03\u7528\u8005\u6709\u5173\u7684 \u201c\u7c7b\u540d+object at+\u5185\u5b58\u5730\u5740\u201d\u4fe1\u606f\u3002\u5f53\u7136\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5728\u7c7b\u4e2d\u91cd\u5199\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u4ece\u800c\u5b9e\u73b0\u5f53\u8f93\u51fa\u5b9e\u4f8b\u5316\u5bf9\u8c61\u65f6\uff0c\u8f93\u51fa\u6211\u4eec\u60f3\u8981\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-python\">class CLanguage:\n    def __init__(self):\n        self.name = &quot;C\u8bed\u8a00\u4e2d\u6587\u7f51&quot;\n        self.add = &quot;http:\/\/c.biancheng.net&quot;\n    def __repr__(self):\n        return &quot;CLanguage[name=&quot;+ self.name +&quot;,add=&quot; + self.add +&quot;]&quot;\nclass GoLanguage:\n    def __init__(self):\n        self.name = &quot;Go\u8bed\u8a00\u4e2d\u6587\u793e\u533a&quot;\n        self.add = &quot;https:\/\/studygolang.com\/&quot;\nClangs = CLanguage()\nGolangs = GoLanguage()\nprint(Clangs)\nprint(Golangs)<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<pre><code>CLanguage[name=C\u8bed\u8a00\u4e2d\u6587\u7f51,add=http:\/\/c.biancheng.net]\n&lt;__main__.GoLanguage object at 0x000001C67CE80EB8&gt;<\/code><\/pre>\n<p>\u7531\u6b64\u53ef\u89c1\uff0c<strong>repr<\/strong>() \u65b9\u6cd5\u662f\u7c7b\u7684\u5b9e\u4f8b\u5316\u5bf9\u8c61\u7528\u6765\u505a\u201c\u81ea\u6211\u4ecb\u7ecd\u201d\u7684\u65b9\u6cd5\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u4f1a\u8fd4\u56de\u5f53\u524d\u5bf9\u8c61\u7684\u201c\u7c7b\u540d+object at+\u5185\u5b58\u5730\u5740\u201d\uff0c\u800c\u5982\u679c\u5bf9\u8be5\u65b9\u6cd5\u8fdb\u884c\u91cd\u5199\uff0c\u53ef\u4ee5\u4e3a\u5176\u5236\u4f5c\u81ea\u5b9a\u4e49\u7684\u81ea\u6211\u63cf\u8ff0\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u7ecf\u5e38\u4f1a\u76f4\u63a5\u8f93\u51fa\u7c7b\u7684\u5b9e\u4f8b\u5316\u5bf9\u8c61\uff0c\u4f8b\u5982\uff1a class CLanguage: pass clangs = CLanguage() prin   \u2026 &#8230;<\/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\/854"}],"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=854"}],"version-history":[{"count":1,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/854\/revisions"}],"predecessor-version":[{"id":855,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/854\/revisions\/855"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=854"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}