{"id":569,"date":"2024-12-26T23:19:56","date_gmt":"2024-12-26T15:19:56","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=569"},"modified":"2024-12-26T23:19:56","modified_gmt":"2024-12-26T15:19:56","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8python%e4%b8%ad%e6%ad%a3%e7%a1%ae%e5%9c%b0%e5%b0%86%e7%94%a8%e6%88%b7%e8%be%93%e5%85%a5%e8%bd%ac%e6%8d%a2%e4%b8%ba%e6%95%b0%e5%ad%97%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/26\/%e5%a6%82%e4%bd%95%e5%9c%a8python%e4%b8%ad%e6%ad%a3%e7%a1%ae%e5%9c%b0%e5%b0%86%e7%94%a8%e6%88%b7%e8%be%93%e5%85%a5%e8%bd%ac%e6%8d%a2%e4%b8%ba%e6%95%b0%e5%ad%97%e7%b1%bb%e5%9e%8b%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u5728Python\u4e2d\u6b63\u786e\u5730\u5c06\u7528\u6237\u8f93\u5165\u8f6c\u6362\u4e3a\u6570\u5b57\u7c7b\u578b\uff1f"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5728 Python \u4e2d\uff0c\u7528\u6237\u8f93\u5165\u901a\u8fc7 <code>input()<\/code> \u51fd\u6570\u63a5\u6536\uff0c\u5b83\u603b\u662f\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u5982\u679c\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u7c7b\u578b\uff08\u5982\u6574\u6570\u6216\u6d6e\u70b9\u6570\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>int()<\/code> \u6216 <code>float()<\/code> \u51fd\u6570\u8fdb\u884c\u8f6c\u6362\u3002\u7136\u800c\uff0c\u7528\u6237\u8f93\u5165\u53ef\u80fd\u4f1a\u5305\u542b\u65e0\u6548\u5b57\u7b26\u6216\u683c\u5f0f\u9519\u8bef\uff0c\u5bfc\u81f4\u8f6c\u6362\u5931\u8d25\uff0c\u56e0\u6b64\u9700\u8981\u9002\u5f53\u7684\u9519\u8bef\u5904\u7406\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u6570<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u671f\u671b\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>int()<\/code> \u6765\u8f6c\u6362\u5b57\u7b26\u4e32\u4e3a\u6574\u6570\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>user_input = input(\"Enter a number: \")\n\ntry:\n    number = int(user_input)  # \u5c1d\u8bd5\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u6570\n    print(f\"The number is {number}\")\nexcept ValueError:\n    print(\"That's not a valid integer!\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u662f\u6709\u6548\u7684\u6574\u6570\uff08\u5982 &#8220;25&#8221;\uff09\uff0c\u5219\u4f1a\u6210\u529f\u8f6c\u6362\u5e76\u6253\u5370\u6570\u5b57\u3002\u5982\u679c\u7528\u6237\u8f93\u5165\u65e0\u6cd5\u8f6c\u6362\u4e3a\u6574\u6570\uff08\u5982 &#8220;abc&#8221; \u6216 &#8220;12.5&#8221;\uff09\uff0c\u5219\u4f1a\u6355\u83b7 <code>ValueError<\/code> \u5f02\u5e38\uff0c\u5e76\u63d0\u793a\u7528\u6237\u8f93\u5165\u65e0\u6548\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u671f\u671b\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6d6e\u70b9\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>float()<\/code> \u6765\u8f6c\u6362\u5b57\u7b26\u4e32\u4e3a\u6d6e\u70b9\u6570\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>user_input = input(\"Enter a decimal number: \")\n\ntry:\n    number = float(user_input)  # \u5c1d\u8bd5\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\n    print(f\"The number is {number}\")\nexcept ValueError:\n    print(\"That's not a valid decimal number!\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u793a\u4f8b\u4e0e\u6574\u6570\u8f6c\u6362\u7c7b\u4f3c\uff0c\u4f46\u5b83\u5904\u7406\u7684\u662f\u6d6e\u70b9\u6570\uff08\u5982 &#8220;12.34&#8221;\uff09\u3002\u5982\u679c\u7528\u6237\u8f93\u5165\u4e0d\u80fd\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\uff08\u5982 &#8220;abc&#8221;\uff09\uff0c\u5219\u4f1a\u6355\u83b7 <code>ValueError<\/code> \u5f02\u5e38\u5e76\u6253\u5370\u9519\u8bef\u6d88\u606f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u5b57<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u65f6\u7528\u6237\u53ef\u80fd\u8f93\u5165\u4e0d\u540c\u683c\u5f0f\u7684\u6570\u5b57\uff08\u6574\u6570\u6216\u6d6e\u70b9\u6570\uff09\u3002\u53ef\u4ee5\u5148\u5c1d\u8bd5\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u5982\u679c\u5931\u8d25\uff0c\u518d\u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>user_input = input(\"Enter a number: \")\n\ntry:\n    number = int(user_input)  # \u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6574\u6570\n    print(f\"The number is an integer: {number}\")\nexcept ValueError:\n    try:\n        number = float(user_input)  # \u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\n        print(f\"The number is a float: {number}\")\n    except ValueError:\n        print(\"That's not a valid number!\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u5c1d\u8bd5\u5c06\u7528\u6237\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u5982\u679c\u5931\u8d25\uff0c\u518d\u5c1d\u8bd5\u5c06\u5176\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u4e24\u8005\u90fd\u5931\u8d25\uff0c\u5219\u8868\u793a\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u65e0\u6548\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u81ea\u52a8\u5904\u7406\u8f93\u5165\u4e2d\u7684\u7a7a\u767d\u5b57\u7b26<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u6237\u53ef\u80fd\u5728\u8f93\u5165\u4e2d\u4e0d\u5c0f\u5fc3\u6dfb\u52a0\u4e86\u7a7a\u683c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>strip()<\/code> \u65b9\u6cd5\u53bb\u9664\u8fd9\u4e9b\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>user_input = input(\"Enter a number: \").strip()\n\ntry:\n    number = int(user_input)  # \u8f6c\u6362\u4e3a\u6574\u6570\n    print(f\"The number is {number}\")\nexcept ValueError:\n    print(\"That's not a valid number!\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>strip()<\/code> \u65b9\u6cd5\u4f1a\u53bb\u6389\u8f93\u5165\u524d\u540e\u7684\u7a7a\u683c\uff0c\u786e\u4fdd\u4e0d\u4f1a\u56e0\u4e3a\u989d\u5916\u7684\u7a7a\u767d\u5b57\u7b26\u5bfc\u81f4\u9519\u8bef\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u7528\u6237\u8f93\u5165\u65e0\u6548\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165\uff0c\u76f4\u5230\u7528\u6237\u63d0\u4f9b\u6709\u6548\u7684\u6570\u5b57\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>while True:\n    user_input = input(\"Enter a number: \")\n    try:\n        number = int(user_input)  # \u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6574\u6570\n        print(f\"The number is {number}\")\n        break  # \u5982\u679c\u6210\u529f\uff0c\u9000\u51fa\u5faa\u73af\n    except ValueError:\n        print(\"That's not a valid integer! Please try again.\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u4e00\u76f4\u63d0\u793a\u7528\u6237\u8f93\u5165\uff0c\u76f4\u5230\u7528\u6237\u63d0\u4f9b\u6709\u6548\u7684\u6574\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 <code>int()<\/code><\/strong> \u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u4f7f\u7528 <code>float()<\/code> \u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528 <code>try-except<\/code> \u5904\u7406\u5f02\u5e38<\/strong>\uff0c\u907f\u514d\u56e0\u7528\u6237\u8f93\u5165\u65e0\u6548\u6570\u636e\u800c\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528 <code>strip()<\/code> \u53bb\u9664\u8f93\u5165\u4e2d\u7684\u591a\u4f59\u7a7a\u683c<\/strong>\uff0c\u786e\u4fdd\u8f6c\u6362\u66f4\u51c6\u786e\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u5faa\u73af\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165<\/strong>\uff0c\u786e\u4fdd\u8f93\u5165\u6709\u6548\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u6570\u5b57\u683c\u5f0f\u6b63\u786e\uff0c\u5e76\u5728\u8f6c\u6362\u8fc7\u7a0b\u4e2d\u5904\u7406\u9519\u8bef\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Python \u4e2d\uff0c\u7528\u6237\u8f93\u5165\u901a\u8fc7 input() \u51fd\u6570\u63a5\u6536\uff0c\u5b83\u603b\u662f\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u5982\u679c\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u7c7b\u578b\uff08 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-569","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=569"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/569\/revisions"}],"predecessor-version":[{"id":570,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/569\/revisions\/570"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}