{"id":829,"date":"2021-09-12T20:20:30","date_gmt":"2021-09-12T12:20:30","guid":{"rendered":"http:\/\/www.wayln.com\/?p=829"},"modified":"2021-09-12T20:20:30","modified_gmt":"2021-09-12T12:20:30","slug":"%e5%bc%82%e6%ad%a5%e6%b5%81-%e6%b6%88%e8%80%97%e5%bc%82%e6%ad%a5%e6%b5%81","status":"publish","type":"post","link":"https:\/\/www.wayln.com\/?p=829","title":{"rendered":"\u5f02\u6b65\u6d41\u2014\u2014\u6d88\u8017\u5f02\u6b65\u6d41"},"content":{"rendered":"<div id=\"toc_container\" class=\"toc_transparent no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u95ee\u9898<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u8ba8\u8bba<\/a><\/li><\/ul><\/div>\n<h1><span id=\"i\">\u95ee\u9898<\/span><\/h1>\n<p>\u5047\u8bbe\u9700\u8981\u5904\u7406\u5f02\u6b65\u6d41\u7684\u7ed3\u679c\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4e5f\u53eb\u4f5c\u5f02\u6b65\u679a\u4e3e<br \/>\n#\u89e3\u51b3\u65b9\u6848<br \/>\n\u6d88\u8017\u5f02\u6b65\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7await\u6765\u5b9e\u73b0\uff0c\u6d88\u8017\u679a\u4e3e\u901a\u5e38\u901a\u8fc7foreach\u5b9e\u73b0\u3002\u6d88\u8017\u5f02\u6b65\u679a\u4e3e\u5219\u8981\u5c06\u8fd9\u4e24\u8005\u7ed3\u5408\u8d77\u6765\uff0c\u4e5f\u5c31\u662f\u4f7f\u7528await foreach\u6765\u5b9e\u73b0\u3002\u5047\u8bbe\u73b0\u5728\u6709\u4e00\u4e2a\u5f02\u6b65\u679a\u4e3e\uff0c\u5b83\u4f1a\u5bf9API\u54cd\u5e94\u5206\u9875\uff0c\u6211\u4eec\u53ef\u4ee5\u6d88\u8017\u5b83\u5e76\u628a\u6bcf\u4e2a\u5143\u7d20\u5199\u5165\u63a7\u5236\u53f0\uff1a<\/p>\n<pre><code class=\"language-CSharp line-numbers\">IAsyncEnumerable&lt;string&gt; GetValuesAsync(HttpClient client);\npublic async Task ProcessValueAsync(HttpClient client)\n{\n    await foreach(string value in GetValuesAsync(client))\n    {\n        Console.WriteLine(value);\n    }\n}\n<\/code><\/pre>\n<p>\u4ece\u6982\u5ff5\u4e0a\u770b\uff0cGetValuesAsync\u88ab\u8c03\u7528\u540e\u8fd4\u56deIAsyncEnumerable&lt;T&#62;\u3002\u7136\u540eforeach\u4ece\u8be5\u5f02\u6b65\u679a\u4e3e\u521b\u5efa\u4e86\u5f02\u6b65\u679a\u4e3e\u5668\u3002\u5728\u5f02\u6b65\u679a\u4e3e\u5668\u91cd\uff0c\u83b7\u53d6\u4e0b\u4e00\u4e2a\u5143\u7d20\u8fd9\u5df2\u64cd\u4f5c\u53ef\u80fd\u662f\u4e00\u6b65\u7684\u3002await foreach\u4f1a\u7b49\u5f85\u4e0b\u4e00\u4e2a\u5143\u7d20\u7684\u5230\u6765\u3002\u6216\u8005\u7b49\u5f85\u5f02\u6b65\u679a\u4e3e\u5668\u5b8c\u6210\uff0c\u5982\u6709\u5143\u7d20\u4f20\u6765\uff0cawait foreach\u4f1a\u6267\u884c\u5176\u5faa\u73af\u4ee3\u7801\u4f53\uff0c\u5982\u679c\u5f02\u6b65\u679a\u4e3e\u5668\u5df2\u7ecf\u5b8c\u6210\uff0c\u5c31\u4f1a\u9000\u51fa\u5faa\u73af\u3002<\/p>\n<h1><span id=\"i-2\">\u8ba8\u8bba<\/span><\/h1>\n<p>await foreach \u662f\u6d88\u8017\u5f02\u6b65\u6d41\u6700\u6700\u7136\u7684\u65b9\u5f0f\u3002C#\u652f\u6301ConfigureAwait(false)\uff0c\u7528\u6765\u907f\u514dawait foreach\u7684\u4e0a\u4e0b\u6587<br \/>\n\u4f20\u5165\u53d6\u6d88\u4ee4\u724c\u4e5f\u662f\u53ef\u884c\u7684<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contents1 \u95ee\u98982 \u8ba8\u8bba \u95ee\u9898 \u5047\u8bbe\u9700\u8981\u5904\u7406\u5f02\u6b65\u6d41\u7684\u7ed3\u679c\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4e5f\u53eb\u4f5c\u5f02\u6b65\u679a\u4e3e #\u89e3\u51b3\u65b9\u6848 \u6d88\u8017\u5f02\u6b65 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,41,2],"tags":[],"class_list":["post-829","post","type-post","status-publish","format-standard","hentry","category-c","category-41","category-2"],"_links":{"self":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=829"}],"version-history":[{"count":1,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/829\/revisions"}],"predecessor-version":[{"id":830,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/829\/revisions\/830"}],"wp:attachment":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}