{"id":48442,"date":"2024-12-02T17:36:05","date_gmt":"2024-12-02T09:36:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48442\/"},"modified":"2024-12-02T17:36:05","modified_gmt":"2024-12-02T09:36:05","slug":"%e5%87%bd%e6%95%b0%e4%b8%ad%e8%bf%94%e5%9b%9e-generator-%e6%97%b6%e5%a6%82%e4%bd%95%e6%8e%a7%e5%88%b6%e7%94%9f%e6%88%90%e5%99%a8%e7%8a%b6%e6%80%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48442\/","title":{"rendered":"\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f<\/h1>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p>\u751f\u6210\u5668\u51fd\u6570\u901a\u8fc7 send() \u53d1\u9001\u503c\u3001throw() \u5904\u7406\u5f02\u5e38\u548c close() \u5173\u95ed\u751f\u6210\u5668\u6765\u63a7\u5236\u5176\u72b6\u6001\u3002\u53ef\u5c06\u5176\u7528\u4e8e\u53d1\u9001\u503c\u3001\u63a5\u6536\u5f02\u5e38\u548c\u91ca\u653e\u8d44\u6e90\u3002\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u5b9e\u73b0\u8303\u56f4\u51fd\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730029896671e2948ef538.jpg\" class=\"aligncenter\" title=\"\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f\u63d2\u56fe\" alt=\"\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f\u63d2\u56fe\" \/><\/p>\n<h2>\u5728\u751f\u6210\u5668\u51fd\u6570\u4e2d\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001<\/h2>\n<p>\u751f\u6210\u5668\u51fd\u6570\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u6682\u505c\u6267\u884c\u5e76\u8fd4\u56de\u4e2d\u95f4\u503c\uff0c\u7136\u540e\u5728\u7a0d\u540e\u7ee7\u7eed\u6267\u884c\u3002\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\u5bf9\u4e8e\u7ba1\u7406\u751f\u6210\u5668\u7684\u884c\u4e3a\u548c\u9632\u6b62\u9519\u8bef\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h3>\u53d1\u9001\u503c\u7ed9\u751f\u6210\u5668<\/h3>\n<p>\u8981\u5411\u751f\u6210\u5668\u53d1\u9001\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>send()<\/code> \u65b9\u6cd5\u3002\u8fd9\u5c06\u5411\u751f\u6210\u5668\u53d1\u9001\u7ed9\u5b9a\u7684\u503c\uff0c\u5e76\u7ee7\u7eed\u6267\u884c\u3002\u751f\u6210\u5668\u4f1a\u5c06\u63a5\u6536\u5230\u7684\u503c\u5b58\u50a8\u5728\u5176 <code>.value<\/code> \u5c5e\u6027\u4e2d\u3002<\/p>\n<p>\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>def my_generator():\n    x = yield\n    print(f\"Received value: {x}\")\n\ngenerator = my_generator()\ngenerator.send(10)  # \u53d1\u9001\u503c 10 \u7ed9\u751f\u6210\u5668<\/pre>\n<h3>\u4ece\u751f\u6210\u5668\u63a5\u6536\u5f02\u5e38<\/h3>\n<p>\u6709\u65f6\uff0c\u751f\u6210\u5668\u53ef\u80fd\u5728\u6267\u884c\u671f\u95f4\u629b\u51fa\u5f02\u5e38\u3002\u8981\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>throw()<\/code> \u65b9\u6cd5\u3002\u8fd9\u4f1a\u5411\u751f\u6210\u5668\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\uff0c\u751f\u6210\u5668\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>def my_generator():\n    try:\n        x = yield\n        print(f\"Received value: {x}\")\n    except Exception as e:\n        print(f\"Error occurred: {e}\")\n\ngenerator = my_generator()\ngenerator.send(10)  # \u53d1\u9001\u503c 10 \u7ed9\u751f\u6210\u5668\n\ntry:\n    generator.throw(ValueError(\"Invalid value\"))  # \u629b\u51fa\u5f02\u5e38\nexcept ValueError as e:\n    print(f\"Caught exception: {e}\")<\/pre>\n<h3>\u5173\u95ed\u751f\u6210\u5668<\/h3>\n<p>\u5b8c\u6210\u751f\u6210\u5668\u540e\uff0c\u53ef\u4ee5\u5c06\u5176\u5173\u95ed\u4ee5\u91ca\u653e\u8d44\u6e90\u3002\u8981\u5173\u95ed\u751f\u6210\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>close()<\/code> \u65b9\u6cd5\u3002<\/p>\n<p>\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>def my_generator():\n    yield 1\n    yield 2\n    yield 3\n\ngenerator = my_generator()\nfor value in generator:\n    print(value)  # \u6253\u5370\u751f\u6210\u7684\u503c\n\ngenerator.close()  # \u5173\u95ed\u751f\u6210\u5668<\/pre>\n<h3>\u5b9e\u6218\u6848\u4f8b<\/h3>\n<p>\u4f7f\u7528\u751f\u6210\u5668\u6765\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u8303\u56f4\u51fd\u6570\uff1a<\/p>\n<pre>def range_generator(start, stop, step=1):\n    current = start\n    while current &lt; stop:\n        yield current\n        current += step\n\nfor number in range_generator(1, 11, 2):\n    print(number)  # \u6253\u5370 1\u30013\u30015\u30017\u30019<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f \u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f\u300a\u51fd\u6570\u4e2d\u8fd4\u56de generator \u65f6\u5982\u4f55\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\uff1f\u300b\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e\u6587\u7ae0\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01 \u751f\u6210\u5668\u51fd\u6570\u901a\u8fc7 send() \u53d1\u9001\u503c\u3001throw() \u5904\u7406\u5f02\u5e38\u548c close() \u5173\u95ed\u751f\u6210\u5668\u6765\u63a7\u5236\u5176\u72b6\u6001\u3002\u53ef\u5c06\u5176\u7528\u4e8e\u53d1\u9001\u503c\u3001\u63a5\u6536\u5f02\u5e38\u548c\u91ca\u653e\u8d44\u6e90\u3002\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u5b9e\u73b0\u8303\u56f4\u51fd\u6570\u3002 \u5728\u751f\u6210\u5668\u51fd\u6570\u4e2d\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001 \u751f\u6210\u5668\u51fd\u6570\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u6682\u505c\u6267\u884c\u5e76\u8fd4\u56de\u4e2d\u95f4\u503c\uff0c\u7136\u540e\u5728\u7a0d\u540e\u7ee7\u7eed\u6267\u884c\u3002\u63a7\u5236\u751f\u6210\u5668\u72b6\u6001\u5bf9\u4e8e\u7ba1\u7406\u751f\u6210\u5668\u7684\u884c\u4e3a\u548c\u9632\u6b62\u9519\u8bef\u975e\u5e38\u91cd\u8981\u3002 \u53d1\u9001\u503c\u7ed9\u751f\u6210\u5668 \u8981\u5411\u751f\u6210\u5668\u53d1\u9001\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 send() \u65b9\u6cd5\u3002\u8fd9\u5c06\u5411\u751f\u6210\u5668\u53d1\u9001\u7ed9\u5b9a\u7684\u503c\uff0c\u5e76\u7ee7\u7eed\u6267\u884c\u3002\u751f\u6210\u5668\u4f1a\u5c06\u63a5\u6536\u5230\u7684\u503c\u5b58\u50a8\u5728\u5176 .value \u5c5e\u6027\u4e2d\u3002 \u4ee3\u7801\u793a\u4f8b\uff1a def my_generator(): x = yield print(f&#8221;Received value: {x}&#8221;) generator = my_generator() generator.send(10) # \u53d1\u9001\u503c 10 \u7ed9\u751f\u6210\u5668 \u4ece\u751f\u6210\u5668\u63a5\u6536\u5f02\u5e38 \u6709\u65f6\uff0c\u751f\u6210\u5668\u53ef\u80fd\u5728\u6267\u884c\u671f\u95f4\u629b\u51fa\u5f02\u5e38\u3002\u8981\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\uff0c\u53ef\u4ee5\u4f7f\u7528 throw() \u65b9\u6cd5\u3002\u8fd9\u4f1a\u5411\u751f\u6210\u5668\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\uff0c\u751f\u6210\u5668\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u5904\u7406\u3002 \u4ee3\u7801\u793a\u4f8b\uff1a def my_generator(): try: x = yield print(f&#8221;Received value: {x}&#8221;) except Exception as e: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48442","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48442"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48442\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}