{"id":977870,"date":"2024-12-27T06:33:09","date_gmt":"2024-12-26T22:33:09","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/977870.html"},"modified":"2024-12-27T06:33:11","modified_gmt":"2024-12-26T22:33:11","slug":"python%e5%a6%82%e4%bd%95%e6%9b%b4%e6%94%b9%e7%b1%bb%e5%b1%9e%e6%80%a7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/977870.html","title":{"rendered":"Python\u5982\u4f55\u66f4\u6539\u7c7b\u5c5e\u6027"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24203126\/9f4de218-7646-49f8-a473-b95f4c693c63.webp\" alt=\"Python\u5982\u4f55\u66f4\u6539\u7c7b\u5c5e\u6027\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u66f4\u6539\u7c7b\u5c5e\u6027\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u76f4\u63a5\u901a\u8fc7\u7c7b\u540d\u8bbf\u95ee\u3001\u901a\u8fc7\u7c7b\u65b9\u6cd5\u4fee\u6539\u3001\u4f7f\u7528\u88c5\u9970\u5668\u7ba1\u7406\u8bbf\u95ee\u6743\u9650\u3002<\/strong> \u5176\u4e2d\uff0c\u76f4\u63a5\u901a\u8fc7\u7c7b\u540d\u8bbf\u95ee\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u9002\u5408\u4e8e\u7b80\u5355\u7684\u7c7b\u5c5e\u6027\u4fee\u6539\u3002\u901a\u8fc7\u7c7b\u65b9\u6cd5\u4fee\u6539\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u548c\u5c5e\u6027\u9a8c\u8bc1\u3002\u4f7f\u7528\u88c5\u9970\u5668\u7ba1\u7406\u8bbf\u95ee\u6743\u9650\u5219\u53ef\u4ee5\u4e3a\u7c7b\u5c5e\u6027\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u589e\u52a0\u63a7\u5236\u548c\u5b89\u5168\u6027\u3002<\/p>\n<\/p>\n<p><p>\u8be6\u7ec6\u63cf\u8ff0\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\uff1a\u76f4\u63a5\u901a\u8fc7\u7c7b\u540d\u8bbf\u95ee\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u7c7b\u5c5e\u6027\uff08\u53c8\u79f0\u4e3a\u7c7b\u53d8\u91cf\uff09\uff0c\u5b83\u4eec\u662f\u7c7b\u7ea7\u522b\u7684\u53d8\u91cf\uff0c\u5171\u4eab\u4e8e\u6240\u6709\u5b9e\u4f8b\u4e4b\u95f4\u3002\u901a\u8fc7\u7c7b\u540d\u8bbf\u95ee\u548c\u4fee\u6539\u7c7b\u5c5e\u6027\u975e\u5e38\u76f4\u89c2\u548c\u7b80\u5355\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7c7b<code>Car<\/code>\uff0c\u5b83\u6709\u4e00\u4e2a\u7c7b\u5c5e\u6027<code>wheels<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>Car.wheels<\/code>\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u5b83\u3002\u8fd9\u79cd\u65b9\u5f0f\u76f4\u63a5\u64cd\u4f5c\u7c7b\u672c\u8eab\uff0c\u4e0d\u9700\u8981\u5b9e\u4f8b\u5316\u5bf9\u8c61\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u5728\u7c7b\u7684\u6240\u6709\u5b9e\u4f8b\u4e2d\u5171\u4eab\u7684\u5c5e\u6027\u3002<\/p>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u66f4\u6df1\u5165\u5730\u63a2\u8ba8\u5982\u4f55\u5728Python\u4e2d\u4fee\u6539\u7c7b\u5c5e\u6027\uff0c\u4ee5\u53ca\u5404\u79cd\u65b9\u6cd5\u7684\u5e94\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u901a\u8fc7\u7c7b\u540d\u76f4\u63a5\u4fee\u6539\u7c7b\u5c5e\u6027<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u7c7b\u5c5e\u6027\u662f\u7c7b\u7684\u6240\u6709\u5b9e\u4f8b\u5171\u4eab\u7684\u53d8\u91cf\u3002\u8981\u4fee\u6539\u7c7b\u5c5e\u6027\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u7c7b\u540d\u76f4\u63a5\u8bbf\u95ee\u548c\u8d4b\u503c\u3002<\/p>\n<\/p>\n<p><h4>1.1 \u7c7b\u5c5e\u6027\u7684\u5b9a\u4e49\u4e0e\u521d\u59cb\u5316<\/h4>\n<\/p>\n<p><p>\u7c7b\u5c5e\u6027\u662f\u5728\u7c7b\u4f53\u5185\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u4e0e\u5b9e\u4f8b\u5c5e\u6027\u4e0d\u540c\uff0c\u5b83\u662f\u6240\u6709\u5b9e\u4f8b\u5171\u4eab\u7684\u3002\u901a\u5e38\u5728\u7c7b\u5b9a\u4e49\u65f6\u5c31\u521d\u59cb\u5316\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Car:<\/p>\n<p>    wheels = 4  # \u7c7b\u5c5e\u6027<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c<code>wheels<\/code>\u662f\u4e00\u4e2a\u7c7b\u5c5e\u6027\uff0c\u8868\u793a\u6c7d\u8f66\u7684\u8f6e\u5b50\u6570\u3002<\/p>\n<\/p>\n<p><h4>1.2 \u901a\u8fc7\u7c7b\u540d\u4fee\u6539\u7c7b\u5c5e\u6027<\/h4>\n<\/p>\n<p><p>\u8981\u66f4\u6539\u7c7b\u5c5e\u6027\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u7c7b\u540d\u8fdb\u884c\u8d4b\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u76f4\u89c2\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u5c5e\u6027\u7684\u4fee\u6539\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">Car.wheels = 6  # \u4fee\u6539\u7c7b\u5c5e\u6027<\/p>\n<p>print(Car.wheels)  # \u8f93\u51fa: 6<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4fee\u6539\u540e\uff0c\u6240\u6709\u5b9e\u4f8b\u5728\u8bbf\u95ee\u8be5\u5c5e\u6027\u65f6\u90fd\u4f1a\u770b\u5230\u66f4\u65b0\u540e\u7684\u503c\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u901a\u8fc7\u5b9e\u4f8b\u8bbf\u95ee\u7c7b\u5c5e\u6027<\/h3>\n<\/p>\n<p><p>\u5b9e\u4f8b\u53ef\u4ee5\u8bbf\u95ee\u7c7b\u5c5e\u6027\uff0c\u4f46\u5e76\u4e0d\u80fd\u76f4\u63a5\u4fee\u6539\u7c7b\u5c5e\u6027\u3002\u5982\u679c\u5c1d\u8bd5\u901a\u8fc7\u5b9e\u4f8b\u4fee\u6539\u7c7b\u5c5e\u6027\uff0c\u5b9e\u9645\u4e0a\u4f1a\u521b\u5efa\u4e00\u4e2a\u540c\u540d\u7684\u5b9e\u4f8b\u5c5e\u6027\u3002<\/p>\n<\/p>\n<p><h4>2.1 \u8bbf\u95ee\u7c7b\u5c5e\u6027<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u5b9e\u4f8b\u8bbf\u95ee\u7c7b\u5c5e\u6027\u65f6\uff0cPython\u4f1a\u67e5\u627e\u7c7b\u5c5e\u6027\u503c\u5e76\u8fd4\u56de\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">car1 = Car()<\/p>\n<p>print(car1.wheels)  # \u8f93\u51fa: 6<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2.2 \u5b9e\u4f8b\u4fee\u6539\u7c7b\u5c5e\u6027\u7684\u8bef\u533a<\/h4>\n<\/p>\n<p><p>\u5982\u679c\u5c1d\u8bd5\u901a\u8fc7\u5b9e\u4f8b\u6765\u4fee\u6539\u7c7b\u5c5e\u6027\uff0c\u53ea\u4f1a\u5728\u8be5\u5b9e\u4f8b\u4e2d\u521b\u5efa\u4e00\u4e2a\u540c\u540d\u7684\u5b9e\u4f8b\u5c5e\u6027\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u7c7b\u5c5e\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">car1.wheels = 8  # \u5b9e\u9645\u4e0a\u521b\u5efa\u4e86\u4e00\u4e2a\u5b9e\u4f8b\u5c5e\u6027<\/p>\n<p>print(car1.wheels)  # \u8f93\u51fa: 8<\/p>\n<p>print(Car.wheels)  # \u8f93\u51fa: 6<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6b64\u65f6\uff0c<code>car1.wheels<\/code>\u662f\u4e00\u4e2a\u5b9e\u4f8b\u5c5e\u6027\uff0c\u5e76\u672a\u6539\u53d8<code>Car<\/code>\u7c7b\u7684<code>wheels<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u901a\u8fc7\u7c7b\u65b9\u6cd5\u4fee\u6539\u7c7b\u5c5e\u6027<\/h3>\n<\/p>\n<p><p>\u7c7b\u65b9\u6cd5\u662f\u4e00\u79cd\u80fd\u8bbf\u95ee\u7c7b\u53d8\u91cf\u7684\u7279\u6b8a\u65b9\u6cd5\uff0c\u901a\u8fc7<code>@classmethod<\/code>\u88c5\u9970\u5668\u5b9a\u4e49\u3002\u5b83\u63a5\u6536\u7c7b\u672c\u8eab\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u901a\u5e38\u547d\u540d\u4e3a<code>cls<\/code>\u3002<\/p>\n<\/p>\n<p><h4>3.1 \u7c7b\u65b9\u6cd5\u7684\u5b9a\u4e49<\/h4>\n<\/p>\n<p><p>\u7c7b\u65b9\u6cd5\u9002\u5408\u4e8e\u9700\u8981\u8bbf\u95ee\u548c\u4fee\u6539\u7c7b\u5c5e\u6027\u7684\u573a\u5408\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Car:<\/p>\n<p>    wheels = 4<\/p>\n<p>    @classmethod<\/p>\n<p>    def set_wheels(cls, number):<\/p>\n<p>        cls.wheels = number<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.2 \u4f7f\u7528\u7c7b\u65b9\u6cd5\u4fee\u6539\u7c7b\u5c5e\u6027<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u7c7b\u65b9\u6cd5\u4fee\u6539\u7c7b\u5c5e\u6027\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5c5e\u6027\u7684\u66f4\u65b0\uff0c\u8fd8\u53ef\u4ee5\u8fdb\u884c\u903b\u8f91\u9a8c\u8bc1\u7b49\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">Car.set_wheels(10)<\/p>\n<p>print(Car.wheels)  # \u8f93\u51fa: 10<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u4fee\u6539\u7c7b\u5c5e\u6027\uff0c\u8fd8\u53ef\u4ee5\u4e3a\u4fee\u6539\u8fc7\u7a0b\u6dfb\u52a0\u989d\u5916\u7684\u903b\u8f91\uff0c\u6bd4\u5982\u8f93\u5165\u9a8c\u8bc1\u7b49\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528\u88c5\u9970\u5668\u7ba1\u7406\u7c7b\u5c5e\u6027<\/h3>\n<\/p>\n<p><p>\u88c5\u9970\u5668\u53ef\u4ee5\u63d0\u4f9b\u7c7b\u5c5e\u6027\u7684\u8bbf\u95ee\u63a7\u5236\u548c\u9a8c\u8bc1\u3002\u5e38\u7528\u7684\u88c5\u9970\u5668\u6709<code>@property<\/code>\u548c<code>@staticmethod<\/code>\u7b49\u3002<\/p>\n<\/p>\n<p><h4>4.1 \u4f7f\u7528@property\u88c5\u9970\u5668<\/h4>\n<\/p>\n<p><p><code>@property<\/code>\u88c5\u9970\u5668\u53ef\u4ee5\u5c06\u7c7b\u65b9\u6cd5\u8f6c\u53d8\u4e3a\u5c5e\u6027\u8bbf\u95ee\uff0c\u4f7f\u5f97\u5c5e\u6027\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u66f4\u52a0\u5b89\u5168\u548c\u7075\u6d3b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Car:<\/p>\n<p>    _wheels = 4<\/p>\n<p>    @property<\/p>\n<p>    def wheels(self):<\/p>\n<p>        return self._wheels<\/p>\n<p>    @wheels.setter<\/p>\n<p>    def wheels(self, number):<\/p>\n<p>        if number &gt;= 0:<\/p>\n<p>            Car._wheels = number<\/p>\n<p>        else:<\/p>\n<p>            r<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>se ValueError(&quot;Wheels cannot be negative&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>4.2 \u901a\u8fc7\u88c5\u9970\u5668\u63a7\u5236\u5c5e\u6027\u8bbf\u95ee<\/h4>\n<\/p>\n<p><p>\u4f7f\u7528\u88c5\u9970\u5668\u53ef\u4ee5\u5728\u5c5e\u6027\u4fee\u6539\u524d\u540e\u6267\u884c\u989d\u5916\u7684\u903b\u8f91\uff0c\u6bd4\u5982\u6570\u636e\u9a8c\u8bc1\u548c\u4e8b\u4ef6\u89e6\u53d1\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">car1 = Car()<\/p>\n<p>car1.wheels = 6  # \u901a\u8fc7setter\u4fee\u6539\u5c5e\u6027<\/p>\n<p>print(car1.wheels)  # \u8f93\u51fa: 6<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u5f0f\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u5b89\u5168\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u9002\u7528\u4e8e\u590d\u6742\u5c5e\u6027\u7684\u7ba1\u7406\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n<p><p>\u5728\u9009\u62e9\u5982\u4f55\u4fee\u6539\u7c7b\u5c5e\u6027\u65f6\uff0c\u9700\u8981\u8003\u8651\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><h4>5.1 \u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n<ul>\n<li><strong>\u76f4\u63a5\u4fee\u6539\u7c7b\u5c5e\u6027<\/strong>\uff1a\u9002\u7528\u4e8e\u7b80\u5355\u7684\u7c7b\u5c5e\u6027\u66f4\u65b0\uff0c\u65e0\u9700\u989d\u5916\u903b\u8f91\u3002<\/li>\n<li><strong>\u7c7b\u65b9\u6cd5\u4fee\u6539\u7c7b\u5c5e\u6027<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u5728\u4fee\u6539\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u9a8c\u8bc1\u6216\u5176\u4ed6\u64cd\u4f5c\u7684\u573a\u5408\u3002<\/li>\n<li><strong>\u88c5\u9970\u5668\u7ba1\u7406\u7c7b\u5c5e\u6027<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u4e25\u683c\u63a7\u5236\u5c5e\u6027\u8bbf\u95ee\u548c\u4fee\u6539\u6743\u9650\u7684\u573a\u5408\u3002<\/li>\n<\/ul>\n<p><h4>5.2 \u6ce8\u610f\u4e8b\u9879<\/h4>\n<\/p>\n<ul>\n<li><strong>\u907f\u514d\u5b9e\u4f8b\u5c5e\u6027\u8986\u76d6<\/strong>\uff1a\u901a\u8fc7\u5b9e\u4f8b\u4fee\u6539\u7c7b\u5c5e\u6027\u65f6\u9700\u5c0f\u5fc3\uff0c\u907f\u514d\u521b\u5efa\u540c\u540d\u5b9e\u4f8b\u5c5e\u6027\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u5b89\u5168<\/strong>\uff1a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4fee\u6539\u7c7b\u5c5e\u6027\u65f6\uff0c\u9700\u8003\u8651\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u7ebf\u7a0b\u9501\u3002<\/li>\n<li><strong>\u4fdd\u6301\u4e00\u81f4\u6027<\/strong>\uff1a\u786e\u4fdd\u7c7b\u5c5e\u6027\u7684\u4fee\u6539\u5728\u6574\u4e2a\u5e94\u7528\u4e2d\u4fdd\u6301\u4e00\u81f4\uff0c\u907f\u514d\u51fa\u73b0\u610f\u5916\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<p><p>\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u65b9\u6cd5\u548c\u5e94\u7528\u573a\u666f\u7684\u6df1\u5165\u7406\u89e3\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u548c\u7ef4\u62a4Python\u7c7b\u7684\u5c5e\u6027\uff0c\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u4fee\u6539\u7c7b\u5c5e\u6027\u7684\u503c\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u7c7b\u5c5e\u6027\u53ef\u4ee5\u901a\u8fc7\u7c7b\u540d\u76f4\u63a5\u8bbf\u95ee\u548c\u4fee\u6539\u3002\u6bd4\u5982\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u7c7b<code>MyClass<\/code>\uff0c\u5e76\u4e14\u5176\u4e2d\u6709\u4e00\u4e2a\u7c7b\u5c5e\u6027<code>class_attr<\/code>\uff0c\u53ef\u4ee5\u901a\u8fc7<code>MyClass.class_attr = new_value<\/code>\u6765\u66f4\u6539\u5176\u503c\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u5f71\u54cd\u6240\u6709\u5b9e\u4f8b\uff0c\u56e0\u4e3a\u7c7b\u5c5e\u6027\u662f\u5171\u4eab\u7684\u3002<\/p>\n<p><strong>\u66f4\u6539\u7c7b\u5c5e\u6027\u4f1a\u5f71\u54cd\u5b9e\u4f8b\u5c5e\u6027\u5417\uff1f<\/strong><br \/>\u66f4\u6539\u7c7b\u5c5e\u6027\u4f1a\u5f71\u54cd\u6240\u6709\u672a\u8986\u76d6\u8be5\u5c5e\u6027\u7684\u5b9e\u4f8b\u3002\u5982\u679c\u67d0\u4e2a\u5b9e\u4f8b\u5df2\u7ecf\u5b9a\u4e49\u4e86\u540c\u540d\u7684\u5b9e\u4f8b\u5c5e\u6027\uff0c\u90a3\u4e48\u8be5\u5b9e\u4f8b\u5c06\u4f7f\u7528\u81ea\u5df1\u7684\u5c5e\u6027\uff0c\u800c\u4e0d\u662f\u7c7b\u5c5e\u6027\u3002\u56e0\u6b64\uff0c\u7406\u89e3\u7c7b\u5c5e\u6027\u548c\u5b9e\u4f8b\u5c5e\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528\u5b9e\u4f8b\u65b9\u6cd5\u6765\u4fee\u6539\u7c7b\u5c5e\u6027\uff1f<\/strong><br \/>\u53ef\u4ee5\u5728\u7c7b\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5b9e\u4f8b\u65b9\u6cd5\u6765\u4fee\u6539\u7c7b\u5c5e\u6027\u3002\u5728\u65b9\u6cd5\u4e2d\u4f7f\u7528<code>MyClass.class_attr = new_value<\/code>\u6765\u66f4\u65b0\u7c7b\u5c5e\u6027\u3002\u8fd9\u6837\uff0c\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u6240\u6709\u5b9e\u4f8b\u90fd\u5c06\u80fd\u591f\u8bbf\u95ee\u66f4\u65b0\u540e\u7684\u7c7b\u5c5e\u6027\u503c\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">class MyClass:\n    class_attr = &#39;\u521d\u59cb\u503c&#39;\n    \n    def update_class_attr(self, new_value):\n        MyClass.class_attr = new_value\n\nobj = MyClass()\nobj.update_class_attr(&#39;\u65b0\u503c&#39;)\nprint(MyClass.class_attr)  # \u8f93\u51fa: \u65b0\u503c\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u66f4\u6539\u7c7b\u5c5e\u6027\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u76f4\u63a5\u901a\u8fc7\u7c7b\u540d\u8bbf\u95ee\u3001\u901a\u8fc7\u7c7b\u65b9\u6cd5\u4fee\u6539\u3001\u4f7f\u7528\u88c5\u9970\u5668\u7ba1\u7406\u8bbf\u95ee\u6743\u9650\u3002 \u5176\u4e2d\uff0c\u76f4\u63a5 [&hellip;]","protected":false},"author":3,"featured_media":977879,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/977870"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=977870"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/977870\/revisions"}],"predecessor-version":[{"id":977880,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/977870\/revisions\/977880"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/977879"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=977870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=977870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=977870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}