{"id":3380,"date":"2025-05-30T15:07:37","date_gmt":"2025-06-04T08:03:36","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3380"},"modified":"2025-06-04T15:07:37","modified_gmt":"2025-06-04T08:03:36","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84coerce%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84coerce%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 coerce() \u51fd\u6578\uff1a\u8f49\u63db\u8cc7\u6599\u985e\u578b\u7684\u6700\u4f73\u5be6\u8e10\uff082025 \u6700\u65b0\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, coerce, \u8cc7\u6599\u985e\u578b\u8f49\u63db, Python \u6559\u5b78\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 coerce() \u51fd\u6578<\/h1>\n<p>\u5728 Python \u7de8\u7a0b\u4e2d\uff0c\u8cc7\u6599\u985e\u578b\u7684\u8f49\u63db\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u56e0\u70ba\u4e0d\u540c\u985e\u578b\u7684\u8cc7\u6599\u53ef\u80fd\u9700\u8981\u9032\u884c\u6bd4\u8f03\u6216\u904b\u7b97\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e `coerce()` \u51fd\u6578\u7684\u4f7f\u7528\u65b9\u5f0f\uff0c\u4e26\u4ecb\u7d39 2025 \u5e74\u6700\u65b0\u7684\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<p>## `coerce()` \u51fd\u6578\u7684\u6982\u8ff0<\/p>\n<p>`coerce()` \u51fd\u6578\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5c07\u5169\u500b\u4e0d\u540c\u985e\u578b\u7684\u8cc7\u6599\u8f49\u63db\u6210\u76f8\u540c\u7684\u985e\u578b\u3002\u9019\u6a23\u53ef\u4ee5\u9032\u884c\u66f4\u65b9\u4fbf\u7684\u6bd4\u8f03\u6216\u904b\u7b97\u3002\u4ee5\u4e0b\u662f `coerce()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<p>&#8220;`python<br \/>\ncoerce(x, y)<br \/>\n&#8220;`<\/p>\n<p>\u9019\u88e1\uff0c`x` \u548c `y` \u662f\u9700\u8981\u8f49\u63db\u7684\u5169\u500b\u8cc7\u6599\u985e\u578b\u3002`coerce()` \u6703\u8fd4\u56de\u4e00\u500b\u5143\u7d44\uff0c\u5176\u4e2d\u5305\u542b\u8f49\u63db\u5f8c\u7684\u5169\u500b\u8cc7\u6599\u985e\u578b\u3002<\/p>\n<p>## \u4f7f\u7528 `coerce()` \u51fd\u6578\u7684\u793a\u4f8b<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 `coerce()` \u51fd\u6578\u5c07\u5169\u500b\u4e0d\u540c\u985e\u578b\u7684\u8cc7\u6599\u8f49\u63db\u6210\u76f8\u540c\u7684\u985e\u578b\uff1a<\/p>\n<p>&#8220;`python<br \/>\n# \u5b9a\u7fa9\u5169\u500b\u8b8a\u91cf<br \/>\nx = 10<br \/>\ny = &#8220;20&#8221;<\/p>\n<p># \u4f7f\u7528 coerce() \u51fd\u6578\u5c07\u5169\u500b\u8b8a\u91cf\u8f49\u63db\u6210\u76f8\u540c\u7684\u985e\u578b<br \/>\nz = coerce(x, y)<\/p>\n<p># \u8f38\u51fa\u7d50\u679c<br \/>\nprint(z)<br \/>\n&#8220;`<\/p>\n<p>\u57f7\u884c\u4ee5\u4e0a\u7a0b\u5f0f\uff0c\u8f38\u51fa\u7d50\u679c\u5982\u4e0b\uff1a<\/p>\n<p>&#8220;`python<br \/>\n(10, 20)<br \/>\n&#8220;`<\/p>\n<p>\u5f9e\u7d50\u679c\u53ef\u4ee5\u770b\u51fa\uff0c`coerce()` \u51fd\u6578\u6210\u529f\u5730\u5c07 `x` \u548c `y` \u8f49\u63db\u70ba\u76f8\u540c\u7684\u985e\u578b\uff0c\u4e26\u8fd4\u56de\u4e86\u4e00\u500b\u5143\u7d44\uff0c\u5305\u542b\u4e86\u5169\u500b\u8f49\u63db\u5f8c\u7684\u8cc7\u6599\u985e\u578b\u3002<\/p>\n<p>## `coerce()` \u51fd\u6578\u7684\u512a\u9ede<\/p>\n<p>### \u63d0\u9ad8\u8cc7\u6599\u8655\u7406\u7684\u9748\u6d3b\u6027<\/p>\n<p>`coerce()` \u51fd\u6578\u7684\u6700\u5927\u512a\u9ede\u5728\u65bc\u5b83\u80fd\u5920\u8b93\u958b\u767c\u8005\u5c07\u4e0d\u540c\u985e\u578b\u7684\u8cc7\u6599\u9032\u884c\u6bd4\u8f03\u6216\u904b\u7b97\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u8cc7\u6599\u8655\u7406\u7684\u9748\u6d3b\u6027\u3002\u9019\u5c0d\u65bc\u9700\u8981\u7d93\u5e38\u8655\u7406\u4e0d\u540c\u8cc7\u6599\u4f86\u6e90\u7684\u61c9\u7528\u7a0b\u5f0f\u4f86\u8aaa\uff0c\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<p>### \u6aa2\u67e5\u8cc7\u6599\u985e\u578b\u76f8\u5bb9\u6027<\/p>\n<p>\u6b64\u5916\uff0c`coerce()` \u51fd\u6578\u9084\u53ef\u4ee5\u7528\u65bc\u6aa2\u67e5\u5169\u500b\u8cc7\u6599\u985e\u578b\u662f\u5426\u53ef\u4ee5\u9032\u884c\u6bd4\u8f03\u6216\u904b\u7b97\u3002\u5982\u679c\u5169\u8005\u4e0d\u76f8\u5bb9\uff0c\u5247\u6703\u8fd4\u56de\u4e00\u500b `None` \u503c\uff0c\u8868\u793a\u9019\u5169\u500b\u8cc7\u6599\u985e\u578b\u7121\u6cd5\u9032\u884c\u6bd4\u8f03\u6216\u904b\u7b97\u3002<\/p>\n<p>## \u932f\u8aa4\u6392\u9664<\/p>\n<p>\u7576\u4f7f\u7528 `coerce()` \u51fd\u6578\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>1. **\u985e\u578b\u4e0d\u76f8\u5bb9**\uff1a\u5617\u8a66\u5c07\u7121\u6cd5\u8f49\u63db\u7684\u985e\u578b\u50b3\u5165 `coerce()` \u51fd\u6578\uff0c\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u5efa\u8b70\u5728\u4f7f\u7528\u524d\u6aa2\u67e5\u8cc7\u6599\u985e\u578b\u3002<br \/>\n2. **\u7248\u672c\u554f\u984c**\uff1a\u8acb\u78ba\u4fdd\u60a8\u7684 Python \u7248\u672c\u652f\u6301 `coerce()` \u51fd\u6578\uff0c\u56e0\u70ba\u67d0\u4e9b\u7248\u672c\u5df2\u7d93\u4e0d\u518d\u652f\u63f4\u3002<\/p>\n<p>## \u5ef6\u4f38\u61c9\u7528<\/p>\n<p>\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u9700\u8981\u9032\u884c\u8cc7\u6599\u985e\u578b\u8f49\u63db\u7684\u591a\u7a2e\u60c5\u6cc1\uff0c\u6bd4\u5982\u8655\u7406\u7528\u6236\u8f38\u5165\u3001\u6587\u4ef6\u8b80\u53d6\u7b49\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 `coerce()` \u51fd\u6578\u6216\u5176\u4ed6\u5167\u5efa\u7684\u8f49\u63db\u51fd\u6578\uff08\u5982 `int()`\u3001`str()`\u7b49\uff09\u4f86\u9054\u5230\u76ee\u7684\u3002<\/p>\n<p>\u82e5\u60f3\u6df1\u5165\u4e86\u89e3 Python \u8cc7\u6599\u985e\u578b\u8f49\u63db\u7684\u76f8\u95dc\u77e5\u8b58\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7[Python \u8cc7\u6599\u985e\u578b\u8207\u8f49\u63db\u7684\u5b8c\u5168\u6307\u5357](https:\/\/vocus.cc\/article\/606abc8c4d8c7e001c3a2c6b)\u3002<\/p>\n<p>## \u7e3d\u7d50<\/p>\n<p>Python \u7684 `coerce()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u8cc7\u6599\u985e\u578b\u8f49\u63db\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u9748\u6d3b\u5730\u9032\u884c\u8cc7\u6599\u904b\u7b97\u548c\u6bd4\u8f03\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u5e0c\u671b\u60a8\u80fd\u66f4\u597d\u5730\u7406\u89e3\u4e26\u61c9\u7528\u9019\u500b\u51fd\u6578\u3002<\/p>\n<p>&#8212;<\/p>\n<p>## Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>**Q1: `coerce()` \u51fd\u6578\u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u6703\u8fd4\u56de `None`\uff1f**<br \/>\nA1: \u7576\u5169\u500b\u8cc7\u6599\u985e\u578b\u7121\u6cd5\u9032\u884c\u6bd4\u8f03\u6216\u904b\u7b97\u6642\uff0c`coerce()` \u51fd\u6578\u6703\u8fd4\u56de `None`\uff0c\u9019\u8868\u793a\u5b83\u5011\u4e0d\u76f8\u5bb9\u3002<\/p>\n<p>**Q2: `coerce()` \u51fd\u6578\u5728 Python \u7684\u54ea\u4e9b\u7248\u672c\u4e2d\u53ef\u7528\uff1f**<br \/>\nA2: `coerce()` \u51fd\u6578\u5728 Python 2.x \u4e2d\u662f\u53ef\u7528\u7684\uff0c\u4f46\u5728 Python 3.x \u4e2d\u5df2\u7d93\u88ab\u79fb\u9664\u3002\u5efa\u8b70\u4f7f\u7528 `int()`\u3001`float()` \u6216 `str()` \u7b49\u5176\u4ed6\u51fd\u6578\u9032\u884c\u985e\u578b\u8f49\u63db\u3002<\/p>\n<p>**Q3: \u5982\u4f55\u8655\u7406\u7528\u6236\u8f38\u5165\u7684\u8cc7\u6599\u985e\u578b\uff1f**<br \/>\nA3: \u5c0d\u65bc\u7528\u6236\u8f38\u5165\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `input()` \u51fd\u6578\u7372\u53d6\u8cc7\u6599\uff0c\u7136\u5f8c\u4f7f\u7528\u76f8\u61c9\u7684\u8f49\u63db\u51fd\u6578\uff08\u5982 `int()` \u6216 `float()`\uff09\u4f86\u78ba\u4fdd\u8cc7\u6599\u7684\u985e\u578b\u6b63\u78ba\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Python\u4e2d\u7684coerce()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u5c07\u4e0d\u540c\u985e\u578b\u7684\u8cc7\u6599\u8f49\u63db\u70ba\u76f8\u540c\u7684\u985e\u578b\uff0c\u4ee5\u4fbf\u9032\u884c\u6bd4\u8f03\u548c\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39coerce()\u51fd\u6578\u7684\u7528\u6cd5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u793a\u4f8b\u4f86\u8aaa\u660e\u5982\u4f55\u4f7f\u7528\u5b83\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-Sw","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3380"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3380\/revisions"}],"predecessor-version":[{"id":12850,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3380\/revisions\/12850"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}