{"id":711,"date":"2026-07-16T21:03:13","date_gmt":"2026-07-16T13:03:13","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=711"},"modified":"2026-07-16T21:03:13","modified_gmt":"2026-07-16T13:03:13","slug":"%e6%ae%8a%e9%80%94%e5%90%8c%e5%bd%92%e7%9a%84%e6%bc%94%e8%bf%9b%ef%bc%9a%e5%bd%93%e5%90%84%e8%af%ad%e8%a8%80%e7%ba%b7%e7%ba%b7%e6%8b%a5%e6%8a%b1%e7%b1%bb%e5%9e%8b%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2026\/07\/16\/%e6%ae%8a%e9%80%94%e5%90%8c%e5%bd%92%e7%9a%84%e6%bc%94%e8%bf%9b%ef%bc%9a%e5%bd%93%e5%90%84%e8%af%ad%e8%a8%80%e7%ba%b7%e7%ba%b7%e6%8b%a5%e6%8a%b1%e7%b1%bb%e5%9e%8b%e7%b3%bb%e7%bb%9f\/","title":{"rendered":"\u6b8a\u9014\u540c\u5f52\u7684\u6f14\u8fdb\uff1a\u5f53\u5404\u8bed\u8a00\u7eb7\u7eb7\u62e5\u62b1\u201c\u7c7b\u578b\u7cfb\u7edf\u201d"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u8f6f\u4ef6\u5de5\u7a0b\u7684\u6f2b\u957f\u6f14\u8fdb\u53f2\u4e2d\uff0c\u7f16\u7a0b\u8bed\u8a00\u7684\u8bbe\u8ba1\u54f2\u5b66\u66fe\u7ecf\u5386\u8fc7\u4e00\u6b21\u5267\u70c8\u7684\u6447\u6446\u3002\u65e9\u5e74\uff0c\u4e3a\u4e86\u8ffd\u6c42\u6781\u81f4\u7684\u5f00\u53d1\u6548\u7387\u548c\u7075\u6d3b\u6027\uff0c\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff08\u5982 Python\u3001JavaScript\u3001PHP\uff09\u5927\u884c\u5176\u9053\u3002\u7136\u800c\uff0c\u968f\u7740\u9879\u76ee\u89c4\u6a21\u7684\u81a8\u80c0\uff0c\u52a8\u6001\u7c7b\u578b\u5e26\u6765\u7684\u201c\u8fd0\u884c\u65f6\u76f2\u76d2\u201d\u8ba9\u65e0\u6570\u5f00\u53d1\u8005\u5728\u6df1\u591c\u4e3a&nbsp;<code>TypeError<\/code>&nbsp;\u6216&nbsp;<code>ClassCastException<\/code>&nbsp;\u6293\u72c2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8e\u662f\uff0c\u4e00\u573a\u6d69\u6d69\u8361\u8361\u7684\u201c\u7c7b\u578b\u5316\u201d\u8fd0\u52a8\u5728\u5404\u5927\u8bed\u8a00\u751f\u6001\u4e2d\u6084\u7136\u5c55\u5f00\u3002Python \u5f15\u5165\u4e86\u7c7b\u578b\u6807\u6ce8\uff0cJavaScript \u8fce\u6765\u4e86 TypeScript\uff0cPHP \u9010\u6b65\u5b8c\u5584\u7c7b\u578b\u9650\u5236\uff0c\u800c Java \u5219\u901a\u8fc7\u6cdb\u578b\u4e0d\u65ad\u6253\u78e8\u5176\u7c7b\u578b\u5b89\u5168\u3002\u5c3d\u7ba1\u5b83\u4eec\u7684\u5e95\u5c42\u673a\u5236\u622a\u7136\u4e0d\u540c\uff0c\u4f46\u90fd\u6307\u5411\u4e86\u540c\u4e00\u4e2a\u76ee\u6807\uff1a\u5728\u4fdd\u6301\u8bed\u8a00\u6d3b\u529b\u7684\u540c\u65f6\uff0c\u4e3a\u4ee3\u7801\u52a0\u4e0a\u201c\u5b89\u5168\u62a4\u680f\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Python\uff1a\u6e29\u548c\u7684\u201c\u6e10\u8fdb\u5f0f\u201d\u7c7b\u578b\u6807\u6ce8<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Python \u7684\u6f14\u8fdb\u582a\u79f0\u201c\u6e29\u548c\u6d3e\u201d\u7684\u4ee3\u8868\u3002\u4ece 3.5 \u7248\u672c\u5f00\u59cb\uff0cPython \u5f15\u5165\u4e86\u7c7b\u578b\u6807\u6ce8\uff08Type Hints\uff09\u3002\u4f46 Python \u6781\u5176\u514b\u5236\u2014\u2014\u5b83<strong>\u7edd\u4e0d\u6539\u53d8\u8bed\u8a00\u5e95\u5c42\u7684\u52a8\u6001\u7279\u6027<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Python \u4e2d\uff0c<code>def add(a: int, b: int) -&gt; int:<\/code>&nbsp;\u8fd9\u6837\u7684\u8bed\u6cd5\u4ec5\u4ec5\u662f\u4e00\u4efd\u201c\u8bf4\u660e\u4e66\u201d\u3002Python \u89e3\u91ca\u5668\u5728\u8fd0\u884c\u65f6\u5b8c\u5168\u65e0\u89c6\u8fd9\u4e9b\u6807\u6ce8\uff0c\u4f60\u4f9d\u7136\u53ef\u4ee5\u628a\u5b57\u7b26\u4e32\u4f20\u7ed9&nbsp;<code>a<\/code>&nbsp;\u800c\u4e0d\u4f1a\u62a5\u9519\u3002\u5b83\u7684\u771f\u6b63\u53d7\u4f17\u662f\u5f00\u53d1\u8005\u3001IDE \u548c&nbsp;<code>mypy<\/code>&nbsp;\u7b49\u9759\u6001\u68c0\u67e5\u5de5\u5177\u3002\u8fd9\u79cd\u201c\u6e10\u8fdb\u5f0f\u7c7b\u578b\uff08Gradual Typing\uff09\u201d\u7b56\u7565\u6781\u5176\u52a1\u5b9e\uff1a\u65e2\u8ba9\u4ee3\u7801\u5177\u5907\u4e86\u81ea\u6587\u6863\u5316\u7684\u80fd\u529b\uff0c\u63d0\u5347\u4e86\u5927\u578b\u9879\u76ee\u7684\u53ef\u7ef4\u62a4\u6027\uff0c\u53c8\u6ca1\u6709\u7834\u574f Python \u539f\u672c\u7075\u6d3b\u81ea\u7531\u7684\u7075\u9b42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>JavaScript\uff1aTypeScript \u7684\u201c\u964d\u7ef4\u6253\u51fb\u201d<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8bf4 Python \u662f\u6e29\u548c\u6d3e\uff0c\u90a3\u4e48 TypeScript \u5c31\u662f\u201c\u6fc0\u8fdb\u6d3e\u201d\u3002\u4f5c\u4e3a JavaScript \u7684\u8d85\u96c6\uff0cTypeScript \u76f4\u63a5\u5728\u8bed\u8a00\u5c42\u9762\u5f15\u5165\u4e86\u5b8c\u6574\u7684\u9759\u6001\u7c7b\u578b\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e Python \u4e0d\u540c\uff0cTypeScript \u7684\u7c7b\u578b\u662f<strong>\u7f16\u8bd1\u65f6\u5f3a\u5236<\/strong>\u7684\u3002\u5b83\u4f1a\u5728\u4ee3\u7801\u8fd0\u884c\u524d\u8fdb\u884c\u4e25\u683c\u7684\u7c7b\u578b\u68c0\u67e5\uff0c\u4e00\u65e6\u53d1\u73b0\u7c7b\u578b\u4e0d\u5339\u914d\uff0c\u7f16\u8bd1\u5668\u4f1a\u76f4\u63a5\u62a5\u9519\u5e76\u62d2\u7edd\u751f\u6210 JavaScript\u3002\u6b64\u5916\uff0cTypeScript \u91c7\u7528\u4e86\u201c\u7ed3\u6784\u5316\u7c7b\u578b\u7cfb\u7edf\uff08\u9e2d\u5b50\u7c7b\u578b\uff09\u201d\uff0c\u53ea\u8981\u5bf9\u8c61\u957f\u5f97\u50cf\uff0c\u5c31\u80fd\u88ab\u5f53\u4f5c\u540c\u4e00\u79cd\u7c7b\u578b\uff0c\u8fd9\u6bd4 Java \u7684\u201c\u540d\u4e49\u7c7b\u578b\u201d\u7075\u6d3b\u5f97\u591a\u3002\u5982\u4eca\uff0cTypeScript \u5df2\u6210\u4e3a\u73b0\u4ee3\u524d\u7aef\u5927\u578b\u5de5\u7a0b\uff08\u5982 React\u3001Vue 3\uff09\u7684\u7edd\u5bf9\u6807\u914d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>PHP\uff1a\u4ece\u201c\u5f31\u7c7b\u578b\u201d\u5230\u201c\u4e25\u683c\u7ea6\u675f\u201d\u7684\u89c9\u9192<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PHP \u66fe\u662f\u201c\u5f31\u7c7b\u578b\u201d\u7684\u4ee3\u540d\u8bcd\uff0c\u4f46\u5728 PHP 7 \u548c PHP 8 \u7684\u8fde\u7eed\u5927\u7248\u672c\u66f4\u65b0\u4e2d\uff0c\u5b83\u5b8c\u6210\u4e86\u4e00\u573a\u534e\u4e3d\u7684\u8f6c\u8eab\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PHP \u5f15\u5165\u4e86\u6781\u5176\u4e30\u5bcc\u7684\u7c7b\u578b\u58f0\u660e\u673a\u5236\u3002\u5f00\u53d1\u8005\u73b0\u5728\u4e0d\u4ec5\u53ef\u4ee5\u9650\u5236\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u6807\u91cf\u7c7b\u578b\uff08\u5982&nbsp;<code>int<\/code>,&nbsp;<code>string<\/code>\uff09\uff0c\u8fd8\u53ef\u4ee5\u7ea6\u675f\u7c7b\u3001\u63a5\u53e3\u3001\u6570\u7ec4\u751a\u81f3\u8054\u5408\u7c7b\u578b\uff08\u5982&nbsp;<code>int|string<\/code>\uff09\u548c DNF \u7c7b\u578b\u3002\u867d\u7136 PHP \u4f9d\u7136\u662f\u52a8\u6001\u8bed\u8a00\uff0c\u4f46\u8fd9\u4e9b\u8fd0\u884c\u65f6\u548c\u7f16\u8bd1\u65f6\u7684\u7c7b\u578b\u7ea6\u675f\uff0c\u6781\u5927\u5730\u63d0\u5347\u4e86\u6846\u67b6\uff08\u5982 Laravel\u3001Symfony\uff09\u7684\u5065\u58ee\u6027\uff0c\u8ba9 PHP \u6446\u8131\u4e86\u201c\u53ea\u80fd\u5199\u5c0f\u811a\u672c\u201d\u7684\u523b\u677f\u5370\u8c61\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java\uff1a\u6cdb\u578b\u94f8\u5c31\u7684\u201c\u7f16\u8bd1\u671f\u5b89\u5168\u57fa\u77f3\u201d<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u9759\u6001\u7c7b\u578b\u8bed\u8a00\u7684\u6807\u6746\uff0cJava \u65e9\u5728 Java 5 \u5c31\u5f15\u5165\u4e86\u6cdb\u578b\uff08Generics\uff09\uff0c\u8fd9\u662f\u5176\u7c7b\u578b\u7cfb\u7edf\u4e2d\u6700\u6838\u5fc3\u7684\u673a\u5236\u4e4b\u4e00\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Java \u6cdb\u578b\u7684\u672c\u8d28\u662f\u201c\u53c2\u6570\u5316\u7c7b\u578b\u201d\uff0c\u5b83\u5141\u8bb8\u5728\u5b9a\u4e49\u7c7b\u3001\u63a5\u53e3\u6216\u65b9\u6cd5\u65f6\u5c06\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\uff08\u5982&nbsp;<code>List&lt;String&gt;<\/code>\uff09\u3002\u5176\u6700\u5927\u7684\u8d21\u732e\u5728\u4e8e<strong>\u7c7b\u578b\u64e6\u9664\uff08Type Erasure\uff09<\/strong>\u673a\u5236\uff1a\u5728\u7f16\u8bd1\u9636\u6bb5\u8fdb\u884c\u4e25\u683c\u7684\u7c7b\u578b\u6821\u9a8c\uff0c\u675c\u7edd\u4e86\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u5e26\u6765\u7684&nbsp;<code>ClassCastException<\/code>\uff1b\u800c\u5728\u7f16\u8bd1\u540e\uff0c\u6cdb\u578b\u4fe1\u606f\u88ab\u64e6\u9664\uff0c\u4fdd\u8bc1\u4e86\u4e0e\u65e7\u7248\u672c JVM \u7684\u5411\u4e0b\u517c\u5bb9\u3002\u6cdb\u578b\u4e0d\u4ec5\u8ba9\u96c6\u5408\u6846\u67b6\u53d8\u5f97\u5b89\u5168\uff0c\u66f4\u6210\u4e3a\u4e86\u73b0\u4ee3 Java \u6846\u67b6\u8bbe\u8ba1\u7684\u57fa\u77f3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u603b\u7ed3\uff1a\u5b89\u5168\u4e0e\u6548\u7387\u7684\u7ec8\u6781\u5e73\u8861<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7eb5\u89c2\u5404\u8bed\u8a00\u7684\u6f14\u8fdb\uff0c\u6211\u4eec\u4f1a\u53d1\u73b0\u4e00\u4e2a\u6709\u8da3\u7684\u5171\u8bc6\uff1a<strong>\u7eaf\u7cb9\u7684\u52a8\u6001\u7c7b\u578b\u6216\u7eaf\u7cb9\u7684\u9759\u6001\u7c7b\u578b\uff0c\u90fd\u65e0\u6cd5\u5b8c\u7f8e\u9002\u5e94\u73b0\u4ee3\u8f6f\u4ef6\u5de5\u7a0b\u7684\u9700\u6c42\u3002<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Python \u7528\u7c7b\u578b\u6807\u6ce8\u505a\u201c\u6587\u6863\u4e0e\u63d0\u793a\u201d\uff1b<\/li>\n\n\n\n<li>TypeScript \u7528\u7f16\u8bd1\u5668\u505a\u201c\u524d\u7f6e\u62e6\u622a\u201d\uff1b<\/li>\n\n\n\n<li>PHP \u7528\u7c7b\u578b\u58f0\u660e\u505a\u201c\u8fd0\u884c\u65f6\u515c\u5e95\u201d\uff1b<\/li>\n\n\n\n<li>Java \u7528\u6cdb\u578b\u505a\u201c\u67b6\u6784\u7ea7\u7ea6\u675f\u201d\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u4eec\u90fd\u5728\u7528\u81ea\u5df1\u7684\u65b9\u5f0f\uff0c\u5728\u201c\u5f00\u53d1\u6548\u7387\u201d\u4e0e\u201c\u4ee3\u7801\u5b89\u5168\u6027\u201d\u4e4b\u95f4\u5bfb\u627e\u90a3\u4e2a\u6700\u5b8c\u7f8e\u7684\u5e73\u8861\u70b9\u3002\u5bf9\u4e8e\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u7406\u89e3\u8fd9\u4e9b\u8bed\u8a00\u5728\u7c7b\u578b\u7cfb\u7edf\u4e0a\u7684\u8bbe\u8ba1\u54f2\u5b66\uff0c\u6bd4\u5355\u7eaf\u8bb0\u4f4f\u67d0\u4e00\u79cd\u8bed\u6cd5\u66f4\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6f\u4ef6\u5de5\u7a0b\u7684\u6f2b\u957f\u6f14\u8fdb\u53f2\u4e2d\uff0c\u7f16\u7a0b\u8bed\u8a00\u7684\u8bbe\u8ba1\u54f2\u5b66\u66fe\u7ecf\u5386\u8fc7..<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,18,55,52,11,14,6],"tags":[],"class_list":["post-711","post","type-post","status-publish","format-standard","hentry","category-js","category-nodejs","category-php","category-python","category-front","category-back","category-news"],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"author_info":{"info":["\u9648 \u67d0\u4eba"]},"category_info":"<a href=\"https:\/\/mitongxue.cn\/index.php\/category\/front\/js\/\" rel=\"category tag\">JS<\/a> <a href=\"https:\/\/mitongxue.cn\/index.php\/category\/back\/nodejs\/\" rel=\"category tag\">NodeJS<\/a> <a href=\"https:\/\/mitongxue.cn\/index.php\/category\/back\/php\/\" rel=\"category tag\">PHP<\/a> <a href=\"https:\/\/mitongxue.cn\/index.php\/category\/back\/python\/\" rel=\"category tag\">Python<\/a> <a href=\"https:\/\/mitongxue.cn\/index.php\/category\/front\/\" rel=\"category tag\">\u524d\u7aef<\/a> <a href=\"https:\/\/mitongxue.cn\/index.php\/category\/back\/\" rel=\"category tag\">\u540e\u7aef<\/a> <a href=\"https:\/\/mitongxue.cn\/index.php\/category\/news\/\" rel=\"category tag\">\u65b0\u95fb<\/a>","tag_info":"\u65b0\u95fb","comment_count":"0","_links":{"self":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/comments?post=711"}],"version-history":[{"count":1,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/711\/revisions"}],"predecessor-version":[{"id":712,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/711\/revisions\/712"}],"wp:attachment":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/media?parent=711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/categories?post=711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/tags?post=711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}