{"id":3550,"date":"2025-06-02T15:21:44","date_gmt":"2025-06-04T07:24:43","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3550"},"modified":"2025-06-04T15:21:44","modified_gmt":"2025-06-04T07:24:43","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84yield%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84yield%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684 yield() \u51fd\u6578\uff1a\u529f\u80fd\u3001\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u66f4\u65b0\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, yield, \u8fed\u4ee3\u5668, Python \u7a0b\u5f0f\u6559\u5b78\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u7684 yield() \u51fd\u6578<\/h1>\n<p>\u5728 Python \u4e2d\uff0c`yield()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u4e14\u9748\u6d3b\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5275\u5efa\u53ef\u4ee5\u8fd4\u56de\u591a\u500b\u503c\u7684\u8fed\u4ee3\u5668\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u51fd\u6578\u7684\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7bc0\u7701\u5167\u5b58\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e `yield()` \u51fd\u6578\u7684\u6700\u65b0\u8a9e\u6cd5\u3001\u61c9\u7528\u5be6\u4f8b\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u4f60\u57282025\u5e74\u5229\u7528 Python \u9032\u884c\u66f4\u9ad8\u6548\u7684\u7a0b\u5f0f\u8a2d\u8a08\u3002<\/p>\n<p>## yield() \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5<\/p>\n<p>`yield()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p>&#8220;`python<br \/>\ndef function_name(parameters):<br \/>\n    yield value<br \/>\n&#8220;`<\/p>\n<p>## yield() \u7684\u5de5\u4f5c\u539f\u7406<\/p>\n<p>\u7576\u4f60\u8abf\u7528\u4e00\u500b\u5305\u542b `yield` \u7684\u51fd\u6578\u6642\uff0c\u9019\u500b\u51fd\u6578\u6703\u8fd4\u56de\u4e00\u500b\u8fed\u4ee3\u5668\uff0c\u800c\u4e0d\u662f\u4e00\u500b\u55ae\u4e00\u7684\u503c\u3002\u6bcf\u6b21\u8abf\u7528\u8fed\u4ee3\u5668\u6642\uff0c\u5b83\u6703\u8fd4\u56de `yield` \u8a9e\u53e5\u4e2d\u6307\u5b9a\u7684\u503c\uff0c\u7136\u5f8c\u66ab\u505c\u51fd\u6578\u7684\u57f7\u884c\uff0c\u76f4\u5230\u4e0b\u4e00\u6b21\u8abf\u7528\u8fed\u4ee3\u5668\u6642\u624d\u6703\u7e7c\u7e8c\u57f7\u884c\u51fd\u6578\u3002<\/p>\n<p>## \u5be6\u4f5c\u7bc4\u4f8b\uff1a\u8fd4\u56de\u5076\u6578\u5217\u8868<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u8fd4\u56de\u6578\u5b57\u5217\u8868\u4e2d\u6240\u6709\u5076\u6578\u7684\u51fd\u6578\u7bc4\u4f8b\uff1a<\/p>\n<p>&#8220;`python<br \/>\ndef get_even_numbers(numbers):<br \/>\n    for number in numbers:<br \/>\n        if number % 2 == 0:<br \/>\n            yield number<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u500b\u51fd\u6578\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `yield` \u8a9e\u53e5\u4f86\u8fd4\u56de\u5217\u8868\u4e2d\u7684\u5076\u6578\u3002\u6bcf\u6b21\u8abf\u7528\u8fed\u4ee3\u5668\u6642\uff0c\u5b83\u6703\u8fd4\u56de\u4e00\u500b\u5076\u6578\uff0c\u7136\u5f8c\u66ab\u505c\u51fd\u6578\u7684\u57f7\u884c\u3002<\/p>\n<p>### \u6e2c\u8a66\u51fd\u6578<\/p>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u6e2c\u8a66\u9019\u500b\u51fd\u6578\uff1a<\/p>\n<p>&#8220;`python<br \/>\nnumbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\n<p>even_numbers = get_even_numbers(numbers)<\/p>\n<p>for number in even_numbers:<br \/>\n    print(number)<br \/>\n&#8220;`<\/p>\n<p>\u9019\u6bb5\u4ee3\u78bc\u7684\u8f38\u51fa\u7d50\u679c\u662f\uff1a<\/p>\n<p>&#8220;`<br \/>\n2<br \/>\n4<br \/>\n6<br \/>\n8<br \/>\n10<br \/>\n&#8220;`<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u5011\u7684\u51fd\u6578\u6b63\u78ba\u5730\u8fd4\u56de\u4e86\u5217\u8868\u4e2d\u7684\u6240\u6709\u5076\u6578\u3002<\/p>\n<p>## \u932f\u8aa4\u6392\u9664<\/p>\n<p>\u5728\u4f7f\u7528 `yield()` \u51fd\u6578\u6642\uff0c\u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\uff1a<\/p>\n<p>1. **\u672a\u4f7f\u7528\u8fed\u4ee3\u5668**\uff1a\u5982\u679c\u4f60\u8abf\u7528\u51fd\u6578\u800c\u4e0d\u4f7f\u7528\u8fed\u4ee3\u5668\uff0c\u5c07\u4e0d\u6703\u7372\u5f97\u4efb\u4f55\u8f38\u51fa\u3002<br \/>\n2. **\u8a9e\u6cd5\u932f\u8aa4**\uff1a\u78ba\u4fdd `yield` \u8a9e\u53e5\u7684\u6b63\u78ba\u4f4d\u7f6e\uff0c\u4efb\u4f55\u8a9e\u6cd5\u932f\u8aa4\u90fd\u6703\u5c0e\u81f4\u51fd\u6578\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<p>## \u5ef6\u4f38\u61c9\u7528<\/p>\n<p>`yield()` \u51fd\u6578\u7684\u61c9\u7528\u7bc4\u570d\u5f88\u5ee3\uff0c\u5305\u62ec\uff1a<\/p>\n<p>&#8211; \u6a94\u6848\u8b80\u53d6\uff1a\u9010\u884c\u8b80\u53d6\u5927\u578b\u6a94\u6848\u800c\u4e0d\u4f54\u7528\u5927\u91cf\u5167\u5b58\u3002<br \/>\n&#8211; \u865b\u64ec\u8a18\u61b6\u9ad4\uff1a\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u50c5\u5728\u9700\u8981\u6642\u751f\u6210\u6578\u64da\u3002<\/p>\n<p>\u60f3\u4e86\u89e3\u66f4\u591a Python \u7684\u9032\u968e\u61c9\u7528\uff0c\u8acb\u53c3\u8003\u6211\u5011\u7684\u5176\u4ed6\u6559\u5b78\u6587\u7ae0 [\u9019\u88e1](https:\/\/vocus.cc) \u3002<\/p>\n<p>## \u7d50\u8ad6<\/p>\n<p>Python \u4e2d\u7684 `yield()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u4f60\u5275\u5efa\u9ad8\u6548\u7684\u8fed\u4ee3\u5668\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\u8207\u7bc4\u4f8b\uff0c\u5e0c\u671b\u4f60\u80fd\u66f4\u597d\u5730\u638c\u63e1\u9019\u9805\u6280\u8853\uff0c\u4e26\u5728\u5be6\u969b\u958b\u767c\u4e2d\u904b\u7528\u81ea\u5982\u3002<\/p>\n<p>## Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>**Q1\uff1ayield() \u51fd\u6578\u548c return \u6709\u4ec0\u9ebc\u5340\u5225\uff1f**<br \/>\nA1\uff1a`yield()` \u51fd\u6578\u6703\u8fd4\u56de\u4e00\u500b\u8fed\u4ee3\u5668\uff0c\u5141\u8a31\u51fd\u6578\u5728\u591a\u6b21\u8abf\u7528\u4e2d\u4fdd\u6301\u72c0\u614b\uff0c\u800c `return` \u5247\u6703\u7d42\u6b62\u51fd\u6578\u7684\u57f7\u884c\u4e26\u8fd4\u56de\u4e00\u500b\u55ae\u4e00\u503c\u3002<\/p>\n<p>**Q2\uff1a\u5982\u4f55\u5728 yield() \u51fd\u6578\u4e2d\u50b3\u905e\u53c3\u6578\uff1f**<br \/>\nA2\uff1a\u4f60\u53ef\u4ee5\u4f7f\u7528 `send()` \u65b9\u6cd5\u4f86\u50b3\u905e\u53c3\u6578\u7d66 `yield()` \u51fd\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u8fed\u4ee3\u904e\u7a0b\u4e2d\u52d5\u614b\u6539\u8b8a\u51fd\u6578\u7684\u884c\u70ba\u3002<\/p>\n<p>**Q3\uff1ayield() \u51fd\u6578\u662f\u5426\u53ef\u4ee5\u8207 async\/await \u4e00\u8d77\u4f7f\u7528\uff1f**<br \/>\nA3\uff1a\u96d6\u7136 `yield()` \u548c `async\/await` \u90fd\u662f\u7528\u4f86\u8655\u7406\u7570\u6b65\u7de8\u7a0b\uff0c\u4f46\u5b83\u5011\u7684\u5de5\u4f5c\u65b9\u5f0f\u4e0d\u540c\u3002`yield()` \u7528\u65bc\u751f\u6210\u5668\uff0c\u800c `async` \u548c `await` \u5247\u7528\u65bc\u5354\u7a0b\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Python\u4e2d\u7684Yield()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u7528\u65bc\u5275\u5efa\u53ef\u91cd\u8907\u4f7f\u7528\u7684\u51fd\u6578\uff0c\u4e26\u63d0\u4f9b\u4e00\u7a2e\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u63a7\u5236\u51fd\u6578\u7684\u6d41\u7a0b\uff0c\u4ee5\u53ca\u66f4\u6709\u6548\u5730\u4f7f\u7528\u8cc7\u6e90\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-3550","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-Vg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3550","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=3550"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3550\/revisions"}],"predecessor-version":[{"id":3551,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3550\/revisions\/3551"}],"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=3550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}