{"id":164581,"date":"2020-10-07T13:44:51","date_gmt":"2020-10-07T05:44:51","guid":{"rendered":"http:\/\/4563.org\/?p=164581"},"modified":"2020-10-08T16:03:31","modified_gmt":"2020-10-08T08:03:31","slug":"%e6%9c%a8%e5%85%b0%e9%87%8d%e7%94%9f%ef%bc%9a%e6%9b%b4%e5%a4%9a-%e7%9a%84%e5%a6%99%e7%94%a8%ef%bc%8c-self-%e7%9a%84%e6%8b%93%e5%b1%95%e8%af%ad%e4%b9%89","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=164581","title":{"rendered":"\u6728\u5170\u91cd\u751f\uff1a\u66f4\u591a $ \u7684\u5999\u7528\uff0c self \u7684\u62d3\u5c55\u8bed\u4e49"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u6728\u5170\u91cd\u751f\uff1a\u66f4\u591a $ \u7684\u5999\u7528\uff0c self \u7684\u62d3\u5c55\u8bed\u4e49               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xuanwu <\/span>  <span><i><\/i> 1<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u6728\u5170\u91cd\u751f\uff1a\u66f4\u591a $ \u7684\u5999\u7528\uff0cself \u7684\u62d3\u5c55\u8bed\u4e49<\/p>\n<p>\u8282\u9009:<\/p>\n<h2>2 self \u4e0d\u53ef\u4ee3\u66ff<\/h2>\n<h3>2.1 \u53ef\u7528\u5173\u952e\u8bcd\u547d\u540d\u53d8\u91cf<\/h3>\n<p>\u4e0e PHP \u7c7b\u4f3c\uff0c\u5e26 $ \u53ef\u4ee5\u7528\u5173\u952e\u8bcd\u547d\u540d\u53d8\u91cf\uff1a<\/p>\n<pre><code>&gt; $while = 4 &gt; $while 4 <\/code><\/pre>\n<p>\u800c\u7528 self \u5219\u4e0d\u5141\u8bb8\uff1a<\/p>\n<pre><code>&gt; self.while = 3 (..\u2022\u02d8_\u02d8\u2022..) File \"&lt;STDIN&gt;\", line 1:6, unexpected token \"WHILE\" self.while = 3      ^ &gt; self.while (..\u2022\u02d8_\u02d8\u2022..) File \"&lt;STDIN&gt;\", line 1:6, unexpected token \"WHILE\" self.while <\/code><\/pre>\n<h3>2.2 \u5e94\u53d8\u5c5e\u6027<\/h3>\n<p>\u5e94\u53d8\u5c5e\u6027\uff08 attr \uff09\u76f8\u5173\u8bed\u6cd5\u5bf9\u5e94 Python \u4e2d\u7684 @property \u548c setter \u3002\u8fd9\u91cc\u8d77\u540d\u201c\u5e94\u53d8\u5c5e\u6027\u201d\u662f\u56e0\u4e3a attribute \u548c property \u7684\u542b\u4e49\u533a\u522b\u5f88\u5fae\u5999\uff0c\u6682\u65f6\u672a\u627e\u5230\u5408\u9002\u4e2d\u6587\u4e0e\u7c7b\u578b\u5185\u4e00\u822c\u5c5e\u6027\u53d8\u91cf\u4f5c\u533a\u5206\uff0c\u4e8e\u662f\u7528\u529f\u80fd\u7279\u70b9\u547d\u540d\u3002\u4e0b\u56fe\u5de6\u8fb9\u4e3a\u6728\u5170\uff0c\u53f3\u8fb9\u4e3a Python \u540c\u529f\u80fd\u4ee3\u7801\uff0c\u91cd\u70b9\u5728\u4e09\u4e2a attr \u3002\u8fd9\u90e8\u5206\u529f\u80fd\u672a\u53d1\u73b0\u53ef\u4ee3\u66ff\u7684 self \u8bed\u6cd5\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/10\/2020-10-01_\u5e94\u53d8\u5c5e\u6027.png\" alt=\"\u6728\u5170\u91cd\u751f\uff1a\u66f4\u591a $ \u7684\u5999\u7528\uff0c self \u7684\u62d3\u5c55\u8bed\u4e49\" \/><\/p>\n<h2>\u540e\u611f<\/h2>\n<p>\u4f5c\u4e3a\u672a\u53c2\u4e0e\u6728\u5170\u539f\u59cb\u8bbe\u8ba1\u7684\u7b2c\u4e09\u65b9\uff0c\u4ec5\u4ece\u590d\u73b0\u51fa\u7684\u529f\u80fd\u5f88\u96be\u5b8c\u5168\u9886\u4f1a\u8bbe\u8ba1\u610f\u56fe\u3002\u5c31\u4e2a\u4eba\u611f\u89c9\uff0c\u6728\u5170\u7684 $ \u76f8\u5173\u8bed\u6cd5\u8bbe\u8ba1\u7b80\u5316\u4e86 Python \u7684 self \u76f8\u5173\u8bed\u6cd5\u3002\u5bf9 self \u7684\u8bed\u4e49\u62d3\u5c55\u867d\u7136\u770b\u4f3c\u4fe1\u624b\u62c8\u6765\u4f46\u4e5f\u6709\u5408\u7406\u4e4b\u5904\u3002\u662f\u5426\u5bf9\u591a\u7ebf\u7a0b\u6709\u7279\u522b\u597d\u5904\u5f85\u7814\u7a76\u3002<\/p>\n<p>\u8bf7\u8d50\u6559\u3002<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>2<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"3615473\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : yonng <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5b9e\u5728\u4e0d\u77e5\u9053\u8fd9\u95e8\u8bed\u8a00\u7684\u76ee\u6807\u5b9a\u4f4d\u662f\u5565                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3615474\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Achilless <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u670d\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u6728\u5170\u91cd\u751f\uff1a\u66f4\u591a $ \u7684\u5999\u7528\uff0c se&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/164581"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=164581"}],"version-history":[{"count":1,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/164581\/revisions"}],"predecessor-version":[{"id":164583,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/164581\/revisions\/164583"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=164581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=164581"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=164581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}