{"id":2469,"date":"2017-07-20T10:40:12","date_gmt":"2017-07-20T02:40:12","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=2469"},"modified":"2025-01-08T15:44:58","modified_gmt":"2025-01-08T07:44:58","slug":"python%e5%9f%ba%e7%a1%8009-%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%9a%84%e8%bf%9b%e4%b8%80%e6%ad%a5%e6%8b%93%e5%b1%95","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/python\/python%e5%9f%ba%e7%a1%8009-%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%9a%84%e8%bf%9b%e4%b8%80%e6%ad%a5%e6%8b%93%e5%b1%95\/","title":{"rendered":"Python\u57fa\u784009 \u9762\u5411\u5bf9\u8c61\u7684\u8fdb\u4e00\u6b65\u62d3\u5c55"},"content":{"rendered":"<h3>\u8c03\u7528\u7c7b\u7684\u5176\u5b83\u4fe1\u606f<\/h3>\n<p>\u5728\u5b9a\u4e49\u65b9\u6cd5\u65f6\uff0c\u5fc5\u987b\u6709self\u8fd9\u4e00\u53c2\u6570\u3002\u8fd9\u4e2a\u53c2\u6570\u8868\u793a\u67d0\u4e2a\u5bf9\u8c61\u3002\u5bf9\u8c61\u62e5\u6709\u7c7b\u7684\u6240\u6709\u6027\u8d28\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7self\uff0c\u8c03\u7528\u7c7b\u5c5e\u6027\u3002<\/p>\n<div class=\"cnblogs_code\">\n<div class=\"cnblogs_code_toolbar\"><\/div>\n<pre>class Human(object):\n    laugh = 'hahahaha'\n    def show_laugh(self):\n        print self.laugh\n    def laugh_100th(self):\n        for i in range(100):\n            self.show_laugh()\n\nli_lei = Human() \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\nli_lei.laugh_100th()<\/pre>\n<div class=\"cnblogs_code_toolbar\"><\/div>\n<\/div>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u7c7b\u5c5e\u6027laugh\u3002\u5728\u65b9\u6cd5show_laugh()\u4e2d\uff0c\u901a\u8fc7self.laugh\uff0c\u8c03\u7528\u4e86\u8be5\u5c5e\u6027\u7684\u503c\u3002<\/p>\n<p>\u8fd8\u53ef\u4ee5\u7528\u76f8\u540c\u7684\u65b9\u5f0f\u8c03\u7528\u5176\u5b83\u65b9\u6cd5\u3002\u65b9\u6cd5show_laugh()\uff0c\u5728\u65b9\u6cd5laugh_100th\u4e2d()\u88ab\u8c03\u7528\u3002<\/p>\n<p>\u901a\u8fc7\u5bf9\u8c61\u53ef\u4ee5\u4fee\u6539\u7c7b\u5c5e\u6027\u503c\u3002\u4f46\u8fd9\u662f\u5371\u9669\u7684\u3002\u7c7b\u5c5e\u6027\u88ab\u6240\u6709\u540c\u4e00\u7c7b\u53ca\u5176\u5b50\u7c7b\u7684\u5bf9\u8c61\u5171\u4eab\u3002\u7c7b\u5c5e\u6027\u503c\u7684\u6539\u53d8\u4f1a\u5f71\u54cd\u6240\u6709\u7684\u5bf9\u8c61\u3002<\/p>\n<h3>__init__()\u65b9\u6cd5<\/h3>\n<p>__init__()\u662f\u4e00\u4e2a\u7279\u6b8a\u65b9\u6cd5(special method)\u3002Python\u6709\u4e00\u4e9b\u7279\u6b8a\u65b9\u6cd5\u3002Python\u4f1a\u7279\u6b8a\u7684\u5bf9\u5f85\u5b83\u4eec\u3002\u7279\u6b8a\u65b9\u6cd5\u7684\u7279\u70b9\u662f\u540d\u5b57\u524d\u540e\u6709\u4e24\u4e2a\u4e0b\u5212\u7ebf\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5728\u7c7b\u4e2d\u5b9a\u4e49\u4e86__init__()\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u521b\u5efa\u5bf9\u8c61\u65f6\uff0cPython\u4f1a\u81ea\u52a8\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e5f\u53eb\u521d\u59cb\u5316\u3002<\/p>\n<div class=\"cnblogs_code\">\n<pre>class happyBird(Bird):\n    def __init__(self,more_words):\n        print 'We are happy birds.',more_words\n\nsummer = happyBird('Happy,Happy!')<\/pre>\n<\/div>\n<p>\u8fd9\u91cc\u7ee7\u627f\u4e86Bird\u7c7b\uff0c\u5b83\u7684\u5b9a\u4e49\u89c1\u4e0a\u4e00\u8bb2\u3002<\/p>\n<p>\u5c4f\u5e55\u4e0a\u6253\u5370\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<pre>We are happy birds.Happy,Happy!<\/pre>\n<\/div>\n<p>\u6211\u4eec\u770b\u5230\uff0c\u5c3d\u7ba1\u6211\u4eec\u53ea\u662f\u521b\u5efa\u4e86summer\u5bf9\u8c61\uff0c\u4f46__init__()\u65b9\u6cd5\u88ab\u81ea\u52a8\u8c03\u7528\u4e86\u3002\u6700\u540e\u4e00\u884c\u7684\u8bed\u53e5(summer = happyBird&#8230;)\u5148\u521b\u5efa\u4e86\u5bf9\u8c61\uff0c\u7136\u540e\u6267\u884c\uff1a<\/p>\n<p>summer.__init__(more_words)<\/p>\n<p>&#8216;Happy,Happy!&#8217; \u88ab\u4f20\u9012\u7ed9\u4e86__init__()\u7684\u53c2\u6570more_words<\/p>\n<h3>\u5bf9\u8c61\u7684\u6027\u8d28<\/h3>\n<p>\u6211\u4eec\u8bb2\u5230\u4e86\u8bb8\u591a\u5c5e\u6027\uff0c\u4f46\u8fd9\u4e9b\u5c5e\u6027\u662f\u7c7b\u7684\u5c5e\u6027\u3002\u6240\u6709\u5c5e\u4e8e\u8be5\u7c7b\u7684\u5bf9\u8c61\u4f1a\u5171\u4eab\u8fd9\u4e9b\u5c5e\u6027\u3002\u6bd4\u5982\u8bf4\uff0c\u9e1f\u90fd\u6709\u7fbd\u6bdb\uff0c\u9e21\u90fd\u4e0d\u4f1a\u98de\u3002<\/p>\n<p>\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5b9a\u4e49\u5bf9\u8c61\u7684\u6027\u8d28\uff0c\u7528\u4e8e\u8bb0\u5f55\u8be5\u5bf9\u8c61\u7684\u7279\u522b\u4fe1\u606f\u3002\u6bd4\u5982\u8bf4\uff0c\u4eba\u8fd9\u4e2a\u7c7b\u3002\u6027\u522b\u662f\u67d0\u4e2a\u4eba\u7684\u4e00\u4e2a\u6027\u8d28\uff0c\u4e0d\u662f\u6240\u6709\u7684\u4eba\u7c7b\u90fd\u662f\u7537\uff0c\u6216\u8005\u90fd\u662f\u5973\u3002\u8fd9\u4e2a\u6027\u8d28\u7684\u503c\u968f\u7740\u5bf9\u8c61\u7684\u4e0d\u540c\u800c\u4e0d\u540c\u3002\u674e\u96f7\u662f\u4eba\u7c7b\u7684\u4e00\u4e2a\u5bf9\u8c61\uff0c\u6027\u522b\u662f\u7537\uff1b\u97e9\u7f8e\u7f8e\u4e5f\u662f\u4eba\u7c7b\u7684\u4e00\u4e2a\u5bf9\u8c61\uff0c\u6027\u522b\u662f\u5973\u3002<\/p>\n<p>\u5f53\u5b9a\u4e49\u7c7b\u7684\u65b9\u6cd5\u65f6\uff0c\u5fc5\u987b\u8981\u4f20\u9012\u4e00\u4e2aself\u7684\u53c2\u6570\u3002\u8fd9\u4e2a\u53c2\u6570\u6307\u4ee3\u7684\u5c31\u662f\u7c7b\u7684\u4e00\u4e2a\u5bf9\u8c61\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u64cd\u7eb5self\uff0c\u6765\u4fee\u6539\u67d0\u4e2a\u5bf9\u8c61\u7684\u6027\u8d28\u3002\u6bd4\u5982\u7528\u7c7b\u6765\u65b0\u5efa\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5373\u4e0b\u9762\u4f8b\u5b50\u4e2d\u7684li_lei, \u90a3\u4e48li_lei\u5c31\u88abself\u8868\u793a\u3002\u6211\u4eec\u901a\u8fc7\u8d4b\u503c\u7ed9self.attribute\uff0c\u7ed9li_lei\u8fd9\u4e00\u5bf9\u8c61\u589e\u52a0\u4e00\u4e9b\u6027\u8d28\uff0c\u6bd4\u5982\u8bf4\u6027\u522b\u7684\u7537\u5973\u3002self\u4f1a\u4f20\u9012\u7ed9\u5404\u4e2a\u65b9\u6cd5\u3002\u5728\u65b9\u6cd5\u5185\u90e8\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f15\u7528self.attribute\uff0c\u67e5\u8be2\u6216\u4fee\u6539\u5bf9\u8c61\u7684\u6027\u8d28\u3002<\/p>\n<p>\u8fd9\u6837\uff0c\u5728\u7c7b\u5c5e\u6027\u7684\u4e4b\u5916\uff0c\u53c8\u7ed9\u6bcf\u4e2a\u5bf9\u8c61\u589e\u6dfb\u4e86\u5404\u81ea\u7279\u8272\u7684\u6027\u8d28\uff0c\u4ece\u800c\u80fd\u63cf\u8ff0\u591a\u6837\u7684\u4e16\u754c\u3002<\/p>\n<div class=\"cnblogs_code\">\n<pre>class Human(object):\n    def __init__(self, input_gender):\n        self.gender = input_gender\n    def printGender(self):\n        print self.gender\n\nli_lei = Human('male') # \u8fd9\u91cc\uff0c'male'\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9__init__()\u65b9\u6cd5\u7684input_gender\u53d8\u91cf\u3002\nprint li_lei.gender\nli_lei.printGender()<\/pre>\n<\/div>\n<p>\u5728\u521d\u59cb\u5316\u4e2d\uff0c\u5c06\u53c2\u6570input_gender\uff0c\u8d4b\u503c\u7ed9\u5bf9\u8c61\u7684\u6027\u8d28\uff0c\u5373self.gender\u3002<\/p>\n<p>li_lei\u62e5\u6709\u4e86\u5bf9\u8c61\u6027\u8d28gender\u3002gender\u4e0d\u662f\u4e00\u4e2a\u7c7b\u5c5e\u6027\u3002Python\u5728\u5efa\u7acb\u4e86li_lei\u8fd9\u4e00\u5bf9\u8c61\u4e4b\u540e\uff0c\u4f7f\u7528li_lei.gender\u8fd9\u4e00\u5bf9\u8c61\u6027\u8d28\uff0c\u4e13\u95e8\u50a8\u5b58\u5c5e\u4e8e\u5bf9\u8c61li_lei\u7684\u7279\u6709\u4fe1\u606f\u3002<\/p>\n<p>\u5bf9\u8c61\u7684\u6027\u8d28\u4e5f\u53ef\u4ee5\u88ab\u5176\u5b83\u65b9\u6cd5\u8c03\u7528\uff0c\u8c03\u7528\u65b9\u6cd5\u4e0e\u7c7b\u5c5e\u6027\u7684\u8c03\u7528\u76f8\u4f3c\uff0c\u6b63\u5982\u5728printGender()\u65b9\u6cd5\u4e2d\u7684\u8c03\u7528\u3002<\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7self\u8c03\u7528\u7c7b\u5c5e\u6027<\/p>\n<p>__init__(): \u5728\u5efa\u7acb\u5bf9\u8c61\u65f6\u81ea\u52a8\u6267\u884c<\/p>\n<p>\u7c7b\u5c5e\u6027\u548c\u5bf9\u8c61\u7684\u6027\u8d28\u7684\u533a\u522b<\/p>\n<p>\u4f5c\u8005\uff1aVamei \u51fa\u5904\uff1ahttps:\/\/www.cnblogs.com\/vamei<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8c03\u7528\u7c7b\u7684\u5176\u5b83\u4fe1\u606f \u5728\u5b9a\u4e49\u65b9\u6cd5\u65f6\uff0c\u5fc5\u987b\u6709self\u8fd9\u4e00\u53c2\u6570\u3002\u8fd9\u4e2a\u53c2\u6570\u8868\u793a\u67d0\u4e2a\u5bf9\u8c61\u3002\u5bf9\u8c61\u62e5\u6709\u7c7b\u7684\u6240\u6709\u6027\u8d28\uff0c\u90a3\u4e48\u6211\u4eec\u53ef &#8230; <a title=\"Python\u57fa\u784009 \u9762\u5411\u5bf9\u8c61\u7684\u8fdb\u4e00\u6b65\u62d3\u5c55\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/jishu\/python\/python%e5%9f%ba%e7%a1%8009-%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%9a%84%e8%bf%9b%e4%b8%80%e6%ad%a5%e6%8b%93%e5%b1%95\/\" aria-label=\"\u9605\u8bfb Python\u57fa\u784009 \u9762\u5411\u5bf9\u8c61\u7684\u8fdb\u4e00\u6b65\u62d3\u5c55\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[654],"tags":[],"class_list":["post-2469","post","type-post","status-publish","format-standard","hentry","category-python"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=2469"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2469\/revisions"}],"predecessor-version":[{"id":9174,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2469\/revisions\/9174"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=2469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=2469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=2469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}