<\/p>\n
\u5728 Python \u7de8\u7a0b\u4e2d\uff0c`yield()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5b83\u5141\u8a31\u4f60\u5728\u51fd\u6578\u5167\u90e8\u5275\u5efa\u53ef\u8fed\u4ee3\u7684\u751f\u6210\u5668\uff0c\u9019\u6a23\u53ef\u4ee5\u9010\u6b65\u8fd4\u56de\u591a\u500b\u503c\uff0c\u800c\u4e0d\u9700\u8981\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u7d50\u679c\u3002\u9019\u7a2e\u7279\u6027\u4f7f\u5f97 `yield()` \u7279\u5225\u9069\u5408\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u4ee5\u53ca\u9700\u8981\u5ef6\u9072\u8a08\u7b97\u7684\u5834\u666f\u3002<\/p>\n
## `yield()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5<\/p>\n
`yield()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
“`python
\ndef function_name(parameters):
\n yield value
\n“`<\/p>\n
\u7576\u51fd\u6578\u4e2d\u4f7f\u7528 `yield` \u8a9e\u53e5\u6642\uff0c\u8a72\u51fd\u6578\u6703\u8fd4\u56de\u4e00\u500b\u751f\u6210\u5668\u5c0d\u8c61\uff0c\u800c\u4e0d\u662f\u50cf\u50b3\u7d71\u51fd\u6578\u90a3\u6a23\u8fd4\u56de\u55ae\u4e00\u503c\u3002\u6bcf\u6b21\u8abf\u7528\u751f\u6210\u5668\u6642\uff0c\u51fd\u6578\u7684\u57f7\u884c\u6703\u5728 `yield` \u8a9e\u53e5\u8655\u66ab\u505c\uff0c\u76f4\u5230\u4e0b\u4e00\u6b21\u8abf\u7528\u6642\u6062\u5fa9\u57f7\u884c\u3002<\/p>\n
## \u5be6\u4f5c\u7bc4\u4f8b\uff1a\u8fd4\u56de\u5076\u6578<\/p>\n
\u8b93\u6211\u5011\u4f86\u770b\u4e00\u500b\u5177\u9ad4\u7684\u4f8b\u5b50\uff0c\u9019\u500b\u4f8b\u5b50\u6703\u5c55\u793a\u5982\u4f55\u4f7f\u7528 `yield()` \u51fd\u6578\u4f86\u8fd4\u56de\u4e00\u500b\u6578\u5b57\u5217\u8868\u4e2d\u7684\u6240\u6709\u5076\u6578\uff1a<\/p>\n
“`python
\ndef get_even_numbers(numbers):
\n for number in numbers:
\n if number % 2 == 0:
\n yield number
\n“`<\/p>\n
\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\u751f\u6210\u5668\u6642\uff0c\u5b83\u90fd\u6703\u8fd4\u56de\u4e00\u500b\u5076\u6578\uff0c\u7136\u5f8c\u66ab\u505c\u57f7\u884c\uff0c\u76f4\u5230\u4e0b\u4e00\u6b21\u8abf\u7528\u3002<\/p>\n
## \u4f7f\u7528 `for` \u8ff4\u5708\u8abf\u7528\u751f\u6210\u5668<\/p>\n
\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 `for` \u8ff4\u5708\u4f86\u8fed\u4ee3\u9019\u500b\u751f\u6210\u5668\uff1a<\/p>\n
“`python
\nnumbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\n
for even_number in get_even_numbers(numbers):
\n print(even_number)
\n“`<\/p>\n
### \u8f38\u51fa\u7d50\u679c\uff1a<\/p>\n
“`python
\n2
\n4
\n6
\n8
\n10
\n“`<\/p>\n
\u5f9e\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230 `yield` \u5141\u8a31\u6211\u5011\u5275\u5efa\u4e00\u500b\u53ef\u4ee5\u9010\u6b65\u8fd4\u56de\u591a\u500b\u503c\u7684\u8fed\u4ee3\u5668\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\u548c\u63d0\u9ad8\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u3002<\/p>\n
## \u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/p>\n
### \u5e38\u898b\u932f\u8aa4<\/p>\n
1. **\u672a\u4f7f\u7528 `for` \u8ff4\u5708\u8abf\u7528\u751f\u6210\u5668**\uff1a\u5982\u679c\u76f4\u63a5\u8abf\u7528\u751f\u6210\u5668\u51fd\u6578\uff0c\u5c07\u4e0d\u6703\u57f7\u884c\u51fd\u6578\u5167\u7684\u4ee3\u78bc\uff0c\u50c5\u8fd4\u56de\u751f\u6210\u5668\u5c0d\u8c61\u3002<\/p>\n
2. **\u5728\u751f\u6210\u5668\u4e2d\u4f7f\u7528\u8fd4\u56de\u503c**\uff1a\u4f7f\u7528 `return` \u8a9e\u53e5\u6703\u7d42\u6b62\u751f\u6210\u5668\u7684\u57f7\u884c\uff0c\u800c\u4e0d\u662f\u8fd4\u56de\u4e0b\u4e00\u500b\u503c\u3002<\/p>\n
### \u6700\u4f73\u5be6\u8e10<\/p>\n
– \u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u4f7f\u7528 `yield` \u4f86\u907f\u514d\u8a18\u61b6\u9ad4\u6ea2\u51fa\u3002
\n– \u9069\u7576\u5730\u547d\u540d\u751f\u6210\u5668\u51fd\u6578\uff0c\u8b93\u7a0b\u5f0f\u78bc\u66f4\u5177\u53ef\u8b80\u6027\u3002<\/p>\n
## \u5ef6\u4f38\u61c9\u7528<\/p>\n
`yield` \u9084\u53ef\u4ee5\u7528\u65bc\u5be6\u73fe\u5354\u7a0b\uff0c\u9019\u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u591a\u4efb\u52d9\u8655\u7406\u65b9\u5f0f\u3002\u4f60\u53ef\u4ee5\u63a2\u7d22\u5982\u4f55\u5728 Python \u4e2d\u4f7f\u7528 `async` \u548c `await` \u4f86\u5be6\u73fe\u7570\u6b65\u7de8\u7a0b\uff0c\u9019\u6a23\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n
\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b78\u7fd2 Python \u7684\u66f4\u591a\u8a9e\u6cd5\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u6559\u5b78\u8cc7\u6e90](https:\/\/vocus.cc) \u4f86\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n
## \u7d50\u8a9e<\/p>\n
\u7e3d\u7d50\u4f86\u8aaa\uff0c`yield()` \u51fd\u6578\u662f\u4e00\u500b\u6975\u70ba\u5f37\u5927\u7684\u5de5\u5177\uff0c\u8b93\u4f60\u80fd\u5920\u5275\u5efa\u9ad8\u6548\u7684\u8fed\u4ee3\u5668\uff0c\u5f9e\u800c\u66f4\u9748\u6d3b\u5730\u8655\u7406\u6578\u64da\u3002\u638c\u63e1 `yield()` \u7684\u7528\u6cd5\u5c07\u70ba\u4f60\u7684 Python \u7de8\u7a0b\u4e4b\u65c5\u589e\u6dfb\u7121\u9650\u53ef\u80fd\u3002<\/p>\n
## Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n
**Q1: `yield` \u8207 `return` \u6709\u4ec0\u9ebc\u5340\u5225\uff1f**
\nA1: `yield` \u7528\u65bc\u8fd4\u56de\u751f\u6210\u5668\uff0c\u8b93\u51fd\u6578\u53ef\u4ee5\u66ab\u505c\u548c\u6062\u5fa9\u57f7\u884c\uff0c\u800c `return` \u5247\u6703\u7d42\u6b62\u51fd\u6578\u7684\u57f7\u884c\u4e26\u8fd4\u56de\u4e00\u500b\u503c\u3002<\/p>\n
**Q2: \u4ec0\u9ebc\u6642\u5019\u61c9\u8a72\u4f7f\u7528\u751f\u6210\u5668\uff1f**
\nA2: \u7576\u4f60\u9700\u8981\u9010\u6b65\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u4f7f\u7528\u751f\u6210\u5668\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n
**Q3: \u5982\u4f55\u5728\u751f\u6210\u5668\u4e2d\u8655\u7406\u7570\u5e38\uff1f**
\nA3: \u4f60\u53ef\u4ee5\u4f7f\u7528 `try…except` \u584a\u4f86\u6355\u7372\u751f\u6210\u5668\u4e2d\u7684\u7570\u5e38\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u6301\u751f\u6210\u5668\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u5c07\u4ecb\u7d39Python\u4e2d\u7684Yield()\u51fd\u6578\uff0c\u8a73\u7d30\u89e3\u91cbYield()\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528Yield()\u51fd\u6578\u4f86\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\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-3200","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-PC","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3200","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=3200"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3200\/revisions"}],"predecessor-version":[{"id":3201,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3200\/revisions\/3201"}],"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=3200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}