{"id":81,"date":"2021-06-18T20:13:11","date_gmt":"2021-06-18T12:13:11","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/python\/?p=81"},"modified":"2021-07-04T17:25:55","modified_gmt":"2021-07-04T09:25:55","slug":"python%e5%b1%80%e9%83%a8%e5%8f%98%e9%87%8f%e5%92%8c%e5%85%a8%e5%b1%80%e5%8f%98%e9%87%8f","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/python\/post-81.html","title":{"rendered":"python\u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf"},"content":{"rendered":"\n<p>python\u5c40\u90e8\u53d8\u91cf, \u662f\u5728<strong>\u51fd\u6570\u5185\u90e8<\/strong>\u5b9a\u4e49\u7684\u53d8\u91cf, \u53ea\u80fd\u5728\u51fd\u6570\u5185\u90e8\u4f7f\u7528<\/p>\n\n\n\n<p>\u5168\u5c40\u53d8\u91cf, \u662f\u5728<strong>\u51fd\u6570\u5916\u90e8<\/strong>\u5b9a\u4e49\u7684\u53d8\u91cf, \u53ef\u4ee5\u5728\u51fd\u6570\u5916\u6216\u51fd\u6570\u5185\u4f7f\u7528, \u662f\u5168\u5c40\u7684<\/p>\n\n\n\n<p><strong>ps:<\/strong> \u5176\u4ed6\u8bed\u8a00\u4e2d, \u4e00\u822c\u4e0d\u63a8\u8350\u4f7f\u7528\u5168\u5c40\u53d8\u91cf<\/p>\n\n\n\n<h2>\u5c40\u90e8\u53d8\u91cf<\/h2>\n\n\n\n<p>\u5c40\u90e8\u53d8\u91cf\u751f\u547d\u5468\u671f, \u4ec5\u5728\u51fd\u6570\u8fd0\u884c\u65f6\u751f\u6548, \u8303\u56f4\u4e5f\u4ec5\u9650\u4e8e\u8be5\u51fd\u6570, \u5373<\/p>\n\n\n\n<ul><li>\u51fd\u6570\u6267\u884c\u5b8c\u6bd5, \u5c40\u90e8\u53d8\u91cf\u88ab\u56de\u6536,<\/li><li>\u5982\u679c\u4e0e\u5168\u5c40\u53d8\u91cf\u91cd\u540d, \u9ed8\u8ba4\u4f7f\u7528\u7684\u662f\u5c40\u90e8\u53d8\u91cf<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>def sayHello():\n    name = \"xiaoming\"\n    print(name+\",hello\")\n\n#\u5982\u679c\u5728\u51fd\u6570\u4f53\u5916\u4f7f\u7528name,\u5219\u4f1a\u62a5\u9519\n#print(name)\n\nsayHello()<\/code><\/pre>\n\n\n\n<h2>\u5168\u5c40\u53d8\u91cf<\/h2>\n\n\n\n<p>\u5168\u5c40\u53d8\u91cf, \u9ed8\u8ba4\u5728\u5f53\u524dpy\u51fd\u6570\u4e2d\u6709\u6548, \u82e5\u5f53\u4f5c\u6a21\u5757\u88ab\u5bfc\u5165, \u53ef\u4ee5\u4f7f\u7528\u6a21\u5757.\u53d8\u91cf<\/p>\n\n\n\n<p>\u5168\u5c40\u53d8\u91cf, \u5e94\u8be5\u5728\u88ab\u8c03\u7528\u524d\u58f0\u660e, \u5b9e\u9645\u5f00\u53d1\u4e2d\u63a8\u8350\u653e\u5728\u9876\u90e8<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def sayHello():\n\n    print(name+\",hello\")\n\nname = \"\u5f20\u4e09\"  #\u5b9a\u4e49\u4e00\u4e2a\u91cd\u540d\u7684name, \u5728\u51fd\u6570\u4e2d\u88ab\u8c03\u7528\n\nsayHello()<\/code><\/pre>\n\n\n\n<p>\u5168\u5c40\u53d8\u91cf, \u9ed8\u8ba4\u4e0d\u5141\u8bb8\u51fd\u6570\u4f53\u4e2d\u4fee\u6539\u5168\u5c40\u53d8\u91cf\u7684\u503c, \u5982\u679c\u8981\u4fee\u6539, \u4e00\u822c\u4f7f\u7528global\u58f0\u660e( \u5982\u679c\u4fee\u6539\u4e86\u5168\u5c40\u53d8\u91cf\u7684\u5f15\u7528, \u5219\u5fc5\u987b\u4f7f\u7528global, \u5982\u679c\u4ec5\u4fee\u6539\u503c, \u53ef\u4ee5\u4e0d\u9700\u8981, \u9700\u8981\u7406\u89e3\u4e0a\u4e00\u8282\u4e2d\u53d8\u91cf\u7684\u53ef\u53d8\u4e0e\u4e0d\u53ef\u53d8 )<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>num = 10\n\ndef demo1():\n    global num  #\u5982\u679c\u6ca1\u6709\u8fd9\u53e5\u8bdd, \u90a3\u4e48\u4e0d\u4f1a\u4fee\u6539\u5168\u5c40\u53d8\u91cfnum\u7684\u503c\n    num = 99\n    print(num)\n\ndef demo2():\n    print(num)\n\ndemo1()\ndemo2()<\/code><\/pre>\n\n\n\n<p>\u5f53\u672a\u4f7f\u7528global\u58f0\u660e\u65f6, \u51fd\u6570\u7ed9\u5168\u5c40\u53d8\u91cf\u8d4b\u503c\u65f6\u7cfb\u7edf\u81ea\u52a8\u751f\u6210\u4e00\u4e2a\u540c\u540d\u5c40\u90e8\u53d8\u91cf<\/p>\n\n\n\n<p>\u6b64\u5916, \u5168\u5c40\u53d8\u91cf\u547d\u540d\u65f6, \u63a8\u8350\u4f7f\u7528\u524d\u7f00\u6807\u8bb0, \u6bd4\u5982 gl_num<\/p>\n","protected":false},"excerpt":{"rendered":"<p>python\u5c40\u90e8\u53d8\u91cf, \u662f\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf, \u53ea\u80fd\u5728\u51fd\u6570\u5185\u90e8\u4f7f\u7528 \u5168\u5c40\u53d8\u91cf, \u662f\u5728\u51fd\u6570\u5916\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf, \u53ef&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/python\/post-81.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">python\u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/81"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/comments?post=81"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/81\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/media?parent=81"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/categories?post=81"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/tags?post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}