{"id":2932,"date":"2025-06-01T16:44:59","date_gmt":"2025-06-04T09:22:59","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2932"},"modified":"2025-06-04T16:44:59","modified_gmt":"2025-06-04T09:22:59","slug":"python%e4%b8%ad%e7%9a%84ne%e9%81%8b%e7%ae%97%e7%ac%a6%ef%bc%9a%e9%87%8d%e8%bc%89%e9%a1%9e%e7%9a%84%e4%b8%8d%e7%ad%89%e6%96%bc%e9%81%8b%e7%ae%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python%e4%b8%ad%e7%9a%84ne%e9%81%8b%e7%ae%97%e7%ac%a6%ef%bc%9a%e9%87%8d%e8%bc%89%e9%a1%9e%e7%9a%84%e4%b8%8d%e7%ad%89%e6%96%bc%e9%81%8b%e7%ae%97%e7%ac%a6\/","title":{"rendered":"Python \u4e2d\u7684 `__ne__()` \u904b\u7b97\u7b26\uff1a\u91cd\u8f09\u985e\u7684\u4e0d\u7b49\u65bc\u904b\u7b97\u7b26\uff082025 \u6700\u65b0\u6559\u5b78\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, __ne__\"><\/p>\n<h1>Python \u4e2d\u7684 `__ne__()` \u904b\u7b97\u7b26<\/h1>\n<p>\u5728 Python \u4e2d\uff0c`__ne__()` \u662f\u7528\u65bc\u91cd\u8f09\u985e\u7684\u4e0d\u7b49\u65bc\u904b\u7b97\u7b26\uff08`!=`\uff09\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u6bd4\u8f03\u5169\u500b\u7269\u4ef6\u662f\u5426\u4e0d\u76f8\u7b49\u3002\u9019\u662f\u4e00\u500b\u7279\u6b8a\u65b9\u6cd5\uff0c\u901a\u5e38\u7528\u65bc\u81ea\u5b9a\u7fa9\u985e\u5225\u4e2d\uff0c\u4ee5\u63d0\u4f9b\u81ea\u5b9a\u7fa9\u7684\u6bd4\u8f03\u884c\u70ba\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p>&#8220;`python<br \/>\nclass_name.__ne__(object)<br \/>\n&#8220;`<\/p>\n<p>`__ne__()` \u65b9\u6cd5\u6703\u6bd4\u8f03\u5169\u500b\u7269\u4ef6\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u5982\u679c\u4e0d\u76f8\u7b49\u5247\u8fd4\u56de `True`\uff0c\u5426\u5247\u8fd4\u56de `False`\u3002\u5728 Python \u4e2d\uff0c\u4f7f\u7528 `!=` \u9032\u884c\u4e0d\u7b49\u65bc\u6bd4\u8f03\u6642\uff0c\u5be6\u969b\u4e0a\u662f\u8abf\u7528\u8a72\u65b9\u6cd5\u3002<\/p>\n<p>### \u5be6\u4f5c\u7bc4\u4f8b<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5be6\u4f5c\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u81ea\u5b9a\u7fa9\u985e\u5225\u4e2d\u91cd\u8f09 `__ne__()` \u65b9\u6cd5\uff1a<\/p>\n<p>&#8220;`python<br \/>\nclass MyClass:<br \/>\n    def __init__(self, value):<br \/>\n        self.value = value<\/p>\n<p>    def __ne__(self, other):<br \/>\n        if isinstance(other, MyClass):<br \/>\n            return self.value != other.value<br \/>\n        return NotImplemented<\/p>\n<p># \u5275\u5efa MyClass \u7684\u5be6\u4f8b<br \/>\nobj1 = MyClass(1)<br \/>\nobj2 = MyClass(2)<br \/>\nobj3 = MyClass(1)<\/p>\n<p># \u6bd4\u8f03\u5169\u500b\u7269\u4ef6\u662f\u5426\u4e0d\u76f8\u7b49<br \/>\nresult1 = obj1 != obj2  # True<br \/>\nresult2 = obj1 != obj3  # False<\/p>\n<p># \u8f38\u51fa\u7d50\u679c<br \/>\nprint(result1)  # \u8f38\u51fa: True<br \/>\nprint(result2)  # \u8f38\u51fa: False<br \/>\n&#8220;`<\/p>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b `MyClass` \u7684\u5be6\u4f8b\uff0c\u4e26\u91cd\u8f09\u4e86 `__ne__()` \u65b9\u6cd5\u4f86\u6bd4\u8f03\u5169\u500b\u7269\u4ef6\u7684 `value` \u5c6c\u6027\u3002\u7576 `obj1` \u548c `obj2` \u6bd4\u8f03\u6642\uff0c\u56e0\u70ba\u5b83\u5011\u7684\u503c\u4e0d\u540c\uff0c\u6240\u4ee5\u8fd4\u56de `True`\uff1b\u800c `obj1` \u548c `obj3` \u7684\u503c\u76f8\u540c\uff0c\u8fd4\u56de `False`\u3002<\/p>\n<p>### \u932f\u8aa4\u6392\u9664<\/p>\n<p>\u5982\u679c\u5728\u4f7f\u7528 `__ne__()` \u65b9\u6cd5\u6642\u9047\u5230\u554f\u984c\uff0c\u8acb\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<p>1. \u78ba\u4fdd\u91cd\u8f09\u65b9\u6cd5\u6b63\u78ba\u5be6\u73fe\uff1a`__ne__()` \u65b9\u6cd5\u61c9\u8a72\u8fd4\u56de `True` \u6216 `False`\u3002<br \/>\n2. \u78ba\u4fdd\u6b63\u78ba\u8655\u7406\u5176\u4ed6\u985e\u578b\u7684\u7269\u4ef6\uff1a\u5982\u679c\u4f60\u6bd4\u8f03\u7684\u7269\u4ef6\u4e0d\u662f\u81ea\u5b9a\u7fa9\u985e\u5225\uff0c\u61c9\u8a72\u8fd4\u56de `NotImplemented`\u3002<\/p>\n<p>### \u5ef6\u4f38\u61c9\u7528<\/p>\n<p>\u9664\u4e86 `__ne__()` \u65b9\u6cd5\uff0cPython \u9084\u63d0\u4f9b\u4e86\u5176\u4ed6\u7279\u6b8a\u65b9\u6cd5\u4f86\u9032\u884c\u6bd4\u8f03\uff0c\u4f8b\u5982 `__eq__()`\uff08\u7b49\u65bc\uff09\u3001`__lt__()`\uff08\u5c0f\u65bc\uff09\u3001`__gt__()`\uff08\u5927\u65bc\uff09\u7b49\u3002\u9019\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5e6b\u52a9\u4f60\u81ea\u5b9a\u7fa9\u985e\u5225\u7684\u6bd4\u8f03\u884c\u70ba\uff0c\u5f9e\u800c\u4f7f\u4f60\u7684\u985e\u5225\u5728\u6392\u5e8f\u548c\u96c6\u5408\u64cd\u4f5c\u4e2d\u66f4\u5177\u5f48\u6027\u3002<\/p>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cPython \u4e2d\u7684 `__ne__()` \u65b9\u6cd5\u662f\u7528\u65bc\u91cd\u8f09\u985e\u7684\u4e0d\u7b49\u65bc\u904b\u7b97\u7b26\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u6bd4\u8f03\u5169\u500b\u7269\u4ef6\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u4e26\u8fd4\u56de\u76f8\u61c9\u7684\u5e03\u6797\u503c\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\uff0c\u4e5f\u8b93\u958b\u767c\u8005\u80fd\u5920\u4ee5\u66f4\u76f4\u89c0\u7684\u65b9\u5f0f\u9032\u884c\u7269\u4ef6\u6bd4\u8f03\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 Python \u7684\u7279\u6b8a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u53c3\u95b1 [\u9019\u88e1\u7684\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/60314c3e9c8e7f001f3c2b0f)\u3002<\/p>\n<p>### Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>**Q1: `__ne__()` \u65b9\u6cd5\u53ef\u4ee5\u8207\u54ea\u4e9b\u985e\u578b\u7684\u7269\u4ef6\u6bd4\u8f03\uff1f**<br \/>\nA1: `__ne__()` \u65b9\u6cd5\u4e3b\u8981\u7528\u4f86\u6bd4\u8f03\u540c\u4e00\u985e\u5225\u7684\u7269\u4ef6\u3002\u5982\u679c\u9700\u8981\u6bd4\u8f03\u5176\u4ed6\u985e\u578b\u7684\u7269\u4ef6\uff0c\u61c9\u8fd4\u56de `NotImplemented`\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u5728 Python \u4e2d\u91cd\u8f09\u5176\u4ed6\u6bd4\u8f03\u904b\u7b97\u7b26\uff1f**<br \/>\nA2: \u53ef\u4ee5\u91cd\u8f09\u5176\u4ed6\u7279\u6b8a\u65b9\u6cd5\uff0c\u4f8b\u5982 `__eq__()`\uff08\u7b49\u65bc\uff09\u3001`__lt__()`\uff08\u5c0f\u65bc\uff09\u7b49\uff0c\u4ee5\u81ea\u5b9a\u7fa9\u6bd4\u8f03\u884c\u70ba\u3002<\/p>\n<p>**Q3: \u5982\u679c\u91cd\u8f09 `__ne__()` \u65b9\u6cd5\uff0c\u4f46\u4f7f\u7528 `!=` \u6bd4\u8f03\u6642\u4ecd\u7136\u8fd4\u56de `True`\uff0c\u8a72\u600e\u9ebc\u8fa6\uff1f**<br \/>\nA3: \u8acb\u6aa2\u67e5 `__ne__()` \u7684\u5be6\u73fe\uff0c\u78ba\u4fdd\u6b63\u78ba\u8655\u7406\u6240\u6709\u6bd4\u8f03\u908f\u8f2f\uff0c\u4e26\u8fd4\u56de\u76f8\u61c9\u7684\u5e03\u6797\u503c\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u4e2d\u7684ne()\u904b\u7b97\u7b26\u662f\u7528\u65bc\u91cd\u8f09\u985e\u7684\u4e0d\u7b49\u65bc\u904b\u7b97\u7b26\uff0c\u5b83\u53ef\u4ee5\u6bd4\u8f03\u5169\u500b\u5c0d\u8c61\u662f\u5426\u4e0d\u76f8\u7b49\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5e03\u723e\u503c\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u6bd4\u8f03\u5169\u500b\u5c0d\u8c61\u7684\u503c\uff0c\u4ee5\u78ba\u5b9a\u5b83\u5011\u662f\u5426\u4e0d\u76f8\u7b49\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-2932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-Li","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=2932"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2932\/revisions"}],"predecessor-version":[{"id":13010,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2932\/revisions\/13010"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=2932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}