{"id":497800,"date":"2024-07-31T12:03:44","date_gmt":"2024-07-31T11:03:44","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=dotnet&#038;p=497800"},"modified":"2024-08-06T08:46:35","modified_gmt":"2024-08-06T07:46:35","slug":"how-to-use-the-tasks-view-in-jetbrains-rider","status":"publish","type":"dotnet","link":"https:\/\/blog.jetbrains.com\/zh-hans\/dotnet\/2024\/07\/31\/how-to-use-the-tasks-view-in-jetbrains-rider\/","title":{"rendered":"\u5982\u4f55\u5728 JetBrains Rider \u4e2d\u4f7f\u7528 Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe"},"content":{"rendered":"<p>\u4efb\u52a1\u5e76\u884c\u5e93 (TPL) \u662f\u6240\u6709 .NET \u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u7840\uff0c\u5141\u8bb8\u6846\u67b6\u7f16\u5199\u548c\u6267\u884c\u591a\u7ebf\u7a0b\u548c\u5e76\u884c\u4ee3\u7801\u3002 \u6b64\u5916\uff0c\u60f3\u8981\u5145\u5206\u5229\u7528\u8d44\u6e90\u7684\u5f00\u53d1\u8005\u53ef\u80fd\u4f1a\u501f\u52a9 <code>System.Threading<\/code> \u548c <code>System.Threading.Tasks<\/code> \u4e2d\u7684\u7c7b\u578b\u7f16\u5199\u81ea\u5b9a\u4e49\u4ee3\u7801\u3002 \u53ea\u6709\u638c\u63e1\u5e76\u53d1\u548c\u7ebf\u7a0b\u7684\u57fa\u7840\uff0c\u5305\u62ec\u9501\u5b9a\u3001\u6b7b\u9501\u3001await \u548c\u8ba1\u5212\uff0c\u624d\u80fd\u7f16\u5199\u51fa\u5feb\u901f\u4e14\u53ef\u6269\u7f29\u7684\u89e3\u51b3\u65b9\u6848\u3002 \u8981\u6269\u5c55\u5bf9\u8fd9\u4e9b\u6982\u5ff5\u7684\u7406\u89e3\uff0c\u90e8\u5206\u9700\u8981\u4f18\u79c0\u7684\u5de5\u5177\u6765\u534f\u52a9\u5448\u73b0\u548c\u5206\u6790\u4efb\u52a1\u6267\u884c\u7684\u7e41\u6742\u672c\u8d28\u3002<\/p>\n<p>\u597d\u6d88\u606f\uff01 \u6211\u4eec\u6700\u8fd1\u63a8\u51fa\u4e86 Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u7684\u7b2c\u4e00\u6b21\u8fed\u4ee3\uff0c\u8fd9\u4e2a\u5f3a\u5927\u5de5\u5177\u65e8\u5728\u5e2e\u52a9\u60a8\u4e86\u89e3\u5f53\u524d\u5e94\u7528\u7a0b\u5e8f\u6d41\u7a0b\u4e2d\u7684\u65e2\u6709\u4efb\u52a1\u3002<\/p>\n<p>\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u7814\u7a76\u65b0\u7684\u5de5\u5177\u7a97\u53e3\uff0c\u63a2\u8ba8\u5176\u57fa\u672c UI \u5143\u7d20\uff0c\u5e76\u6f14\u793a\u4e00\u4e9b\u5e38\u89c1\u573a\u666f\u3002 \u6700\u540e\uff0c\u60a8\u5c06\u6709\u80fd\u529b\u63a2\u7d22\u81ea\u5df1\u7684\u4ee3\u7801\u5e93\u5e76\u53d1\u73b0\u4f18\u5316\u673a\u4f1a\u3002<\/p>\n<div class=\"buttons\">\n<div class=\"buttons__row\"><a class=\"btn\" href=\"https:\/\/jetbrains.com.cn\/rider\/next\/\" target=\"\" rel=\"noopener\">\u4e0b\u8f7d\u5e76\u8bd5\u7528 JetBrains Rider<\/a><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">.NET \u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u4efb\u52a1\u6267\u884c<\/h2>\n<p>\u5728 .NET \u4e2d\uff0cTasks\uff08\u4efb\u52a1\uff09\u63d0\u4f9b\u4e86\u5bf9\u5e76\u53d1\u548c\u591a\u7ebf\u7a0b\u7b49\u6982\u5ff5\u7684\u62bd\u8c61\u3002 \u5176\u4e2d\u7684\u60f3\u6cd5\u662f\u51cf\u5c11\u5bf9 CPU \u6838\u5fc3\u548c\u7ebf\u7a0b\u7684\u987e\u8651\uff0c\u5e76\u5904\u7406\u5e76\u53d1\u8ba1\u5212\u548c\u6267\u884c\u5de5\u4f5c\u7684\u9ad8\u7ea7\u6982\u5ff5\u3002 \u8fd9\u901a\u5e38\u5f88\u68d2\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u7f16\u5199\u66f4\u591a\u547d\u4ee4\u5f0f\u4ee3\u7801\uff0c\u540c\u65f6\u6709\u6548\u5229\u7528\u6240\u6709\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n<p>\u867d\u7136\u62bd\u8c61\u76f8\u5f53\u4e0d\u9519\uff0c\u4f46\u6ca1\u6709\u4e00\u79cd\u62bd\u8c61\u662f\u5b8c\u7f8e\u7684\uff0c\u800c\u4e14\u6709\u4e9b\u65f6\u5019\uff0c\u60a8\u5fc5\u987b\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1\u7684\u9ebb\u70e6\u3002 \u5176\u4e2d\u5305\u62ec\u6b7b\u9501\u3001\u7ade\u4e89\u6761\u4ef6\u548c\u5bfc\u81f4\u80cc\u538b\u7684\u4f4e\u6548\u8ba1\u5212\u3002 \u5904\u7406\u62bd\u8c61\u5e76\u4e0d\u610f\u5473\u7740\u60a8\u4e0d\u5e94\u8be5\u7406\u89e3\u5b83\u4eec\u7684\u8fd0\u4f5c\u65b9\u5f0f\u548c\u539f\u56e0\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u60a8\u8d1f\u8d23\u8ba1\u5212\u4efb\u52a1\uff0c\u4f46\u4e0d\u77e5\u9053\u8fd9\u4e9b\u4efb\u52a1\u4f55\u65f6\u4ee5\u53ca\u5982\u4f55\u5b8c\u6210\u3002 \u6267\u884c\u662f .NET \u8fd0\u884c\u65f6\u7684\u5de5\u4f5c\u3002 \u867d\u7136\u60a8\u53ef\u80fd\u4f1a\u770b\u5230\u9884\u793a\u95ee\u9898\u5373\u5c06\u53d1\u751f\u7684\u7279\u5b9a\u4ee3\u7801\u6a21\u5f0f\uff0c\u4f46\u8bca\u65ad Tasks\uff08\u4efb\u52a1\uff09\u95ee\u9898\u7684\u6700\u4f73\u65b9\u5f0f\u662f\u5728\u8fd0\u884c\u65f6\u3002 \u4e0b\u6587\u5c06\u5c55\u793a\u4ee3\u7801\u5e93\u4e2d\u7684\u4e00\u4e9b\u5e38\u89c1\u573a\u666f\uff0c\u4ee5\u53ca Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u5982\u4f55\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u4efb\u52a1<\/h2>\n<p>\u5904\u7406\u4efb\u52a1\u65f6\uff0c\u6700\u53ef\u80fd\u51fa\u73b0\u7684\u60c5\u51b5\u662f\u4f7f\u7528\u7684 API \u4f1a\u8fd4\u56de\u9700\u8981 <code>async<\/code> \u548c <code>await<\/code> \u5173\u952e\u5b57\u7684\u4efb\u52a1\u3002 \u8fd9\u4e9b\u5f02\u6b65 API \u4f4d\u4e8e ASP.NET Core\u3001MAUI \u548c Entity Framework Core \u4e2d\u3002 \u8bb8\u591a\u5f00\u6e90\u9879\u76ee\u4e5f\u5df2\u8f6c\u5411\u5f02\u6b65\u4f18\u5148 API \u6765\u652f\u6301\u5f00\u53d1\u8005\u9700\u6c42\u3002<\/p>\n<p>\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u3002<\/p>\n\n                        <div class=\"rider-code-highlight rider-code-highlight__dark\">\n                <pre><code><span class=\"keyword\">await<\/span> <span class=\"method-name\">BasicWork<\/span>();\r\n\r\n<span class=\"keyword\">async<\/span> <span class=\"class-name\">Task<\/span> <span class=\"method-name\">BasicWork<\/span>()\r\n{\r\n    <span class=\"keyword\">await<\/span> <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">Delay<\/span>(<span class=\"struct-name\">TimeSpan<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">FromSeconds<\/span>(<span class=\"number\">1<\/span>));\r\n    <span class=\"static-symbol class-name\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"? Hello Tasks View!\"<\/span>);\r\n}\r\n<\/code><\/pre>\n                <div class=\"rider-code-highlight-btn-copy\"><div class=\"rider-code-highlight-tooltip\">Copy to clipboard<\/div><\/div>\n            <\/div>\n            \n\n\n\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6709\u4e24\u4e2a\u4efb\u52a1\uff1a\u6e90\u81ea\u6211\u4eec\u7a0b\u5e8f\u7684\u4e3b\u8981\u4efb\u52a1\u548c <code>BasicWork<\/code> \u65b9\u6cd5\u3002 \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u65b0\u7684 Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u6765\u786e\u8ba4\u8fd9\u4e00\u70b9\u3002 \u5728\u8c03\u8bd5\u4f1a\u8bdd\u4e2d\uff0c\u70b9\u51fb <b>Tasks<\/b>\uff08\u4efb\u52a1\uff09\u6807\u7b7e\u9875\u67e5\u770b\u4e0b\u8868\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489458\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-09-23.png\" alt=\"\" width=\"2228\" height=\"337\" \/><figcaption class=\"wp-element-caption\">\u8868\u6a21\u5f0f\u4e0b\u7684 JetBrains Rider \u7684 Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe<\/figcaption><\/figure>\n<\/div>\n<p>\u9009\u62e9\u53f3\u4e0a\u89d2\u7684\u9009\u9879\u53ef\u4ee5\u5207\u6362\u5230 <b>Graph<\/b>\uff08\u56fe\u8868\uff09\u89c6\u56fe\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489480\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-09-49.png\" alt=\"\" width=\"2220\" height=\"860\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u56fe\u8868\u6a21\u5f0f\u4e0b\u7684 JetBrains Rider \u7684 Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u5c06\u9f20\u6807\u60ac\u505c\u5728\u4efb\u610f\u5806\u6808\u6761\u76ee\u4e0a\u5373\u53ef\u5728\u56fe\u8868\u89c6\u56fe\u4e2d\u67e5\u770b\u884c\u4fe1\u606f\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489492\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-10-53.png\" alt=\"\" width=\"1038\" height=\"446\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u5728\u56fe\u8868\u89c6\u56fe\u4e2d\u663e\u793a\u884c<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u5904\u7406\u4efb\u52a1\u65f6\uff0c\u4efb\u4f55\u4efb\u52a1\u5728\u4efb\u4f55\u65f6\u5019\u90fd\u4f1a\u5177\u6709\u4ee5\u4e0b<b>\u4e94\u79cd\u72b6\u6001<\/b>\u4e4b\u4e00\uff1a<\/p>\n<ul>\n<li><b>Active<\/b>\uff08\u6709\u6548\uff09\uff1a\u76ee\u524d\u6b63\u5728\u6267\u884c\u548c\u8fd0\u884c\u3002<\/li>\n<li><b>Scheduled<\/b>\uff08\u5df2\u8ba1\u5212\uff09\uff1a\u4efb\u52a1\u5df2\u521b\u5efa\uff0c\u4f46\u5c1a\u672a\u6267\u884c\u3002<\/li>\n<li><b>Awaiting<\/b>\uff08\u7b49\u5f85\uff09\uff1a\u4efb\u52a1\u5df2\u7ecf\u7b49\u5f85\uff0c\u4f46\u53ef\u80fd\u6b63\u5728\u7b49\u5f85\u5176\u4ed6\u4efb\u52a1\u3002<\/li>\n<li><b>Blocked<\/b>\uff08\u963b\u585e\uff09\uff1a\u4efb\u52a1\u4f4d\u4e8e\u5806\u6808\u9876\u90e8\uff0c\u6267\u884c\u7ebf\u7a0b\u88ab\u963b\u585e\uff08\u7761\u7720\u3001\u7b49\u5f85\u9501\u7b49\uff09\u3002 \u5806\u6808\u4e2d\u8fd8\u6709\u4e00\u4e9b\u66f4\u9ad8\u7ea7\u522b\u7684\u4efb\u52a1\u3002<\/li>\n<li><b>Deadlocked<\/b>\uff08\u6b7b\u9501\uff09\uff1a\u4efb\u52a1\u6b63\u5728\u4e89\u7528\u8d44\u6e90\uff0c\u5e76\u4e14\u5b58\u5728\u4e25\u91cd\u95ee\u9898\u3002<\/li>\n<\/ul>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u6700\u5e38\u89c1\u7684\u573a\u666f\uff0c\u63a5\u4e0b\u6765\u770b\u4e00\u770b\u7236\u4efb\u52a1\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u7236\u4efb\u52a1<\/h2>\n<p>\u901a\u8fc7\u7236\u7ea7\u64cd\u4f5c\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6309\u903b\u8f91\u5bf9\u4efb\u52a1\u8fdb\u884c\u5206\u7ec4\u3002 \u5728\u4efb\u52a1\u4e2d\u521b\u5efa\u4efb\u52a1\u65f6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>TaskCreationOptions.AttachedToParent<\/code> \u5c06\u65b0\u4efb\u52a1\u4e0e\u5305\u542b\u4efb\u52a1\u7ed1\u5b9a\u3002<\/p>\n\n\n                        <div class=\"rider-code-highlight rider-code-highlight__dark\">\n                <pre><code><span class=\"keyword\">await<\/span> <span class=\"method-name\">ParentedTasks<\/span>();\r\n\r\n<span class=\"class-name\">Task<\/span> <span class=\"method-name\">ParentedTasks<\/span>()\r\n{\r\n    <span class=\"comment\">\/\/ Parent task<\/span>\r\n    <span class=\"keyword\">var<\/span> <span class=\"local-name\">parentTask<\/span> <span class=\"operator\">=<\/span> <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"property-name static-symbol\">Factory<\/span><span class=\"operator\">.<\/span><span class=\"method-name\">StartNew<\/span>(() <span class=\"operator\">=&gt;<\/span>\r\n    {\r\n        <span class=\"static-symbol class-name\">Console<\/span><span class=\"operator\">.<\/span><span class=\"static-symbol method-name\">WriteLine<\/span>(<span class=\"string\">\"Parent task started.\"<\/span>);\r\n\r\n        <span class=\"comment\">\/\/ Child task<\/span>\r\n        <span class=\"keyword\">var<\/span> <span class=\"local-name\">task<\/span> <span class=\"operator\">=<\/span> <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"property-name static-symbol\">Factory<\/span><span class=\"operator\">.<\/span><span class=\"method-name\">StartNew<\/span>(() <span class=\"operator\">=&gt;<\/span>\r\n        {\r\n            <span class=\"static-symbol class-name\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"Child task started.\"<\/span>);\r\n            <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"static-symbol method-name\">Delay<\/span>(<span class=\"number\">2000<\/span>)<span class=\"operator\">.<\/span><span class=\"method-name\">Wait<\/span>(); <span class=\"comment\">\/\/ Simulating some work<\/span>\r\n            <span class=\"class-name static-symbol\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"Child task completed.\"<\/span>);\r\n        }, <span class=\"enum-name\">TaskCreationOptions<\/span><span class=\"operator\">.<\/span><span class=\"enum-member-name\">AttachedToParent<\/span>);\r\n\r\n        <span class=\"class-name static-symbol\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"Parent task doing some work.\"<\/span>);\r\n    }, <span class=\"enum-name\">TaskCreationOptions<\/span><span class=\"operator\">.<\/span><span class=\"enum-member-name\">AttachedToParent<\/span>);\r\n\r\n    <span class=\"comment\">\/\/ Wait for parent task to complete, which includes the children<\/span>\r\n    <span class=\"local-name\">parentTask<\/span><span class=\"operator\">.<\/span><span class=\"method-name\">Wait<\/span>();\r\n\r\n    <span class=\"class-name static-symbol\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"Parent task completed.\"<\/span>);\r\n    <span class=\"keyword-control\">return<\/span> <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"property-name static-symbol\">CompletedTask<\/span>;\r\n}\r\n<\/code><\/pre>\n                <div class=\"rider-code-highlight-btn-copy\"><div class=\"rider-code-highlight-tooltip\">Copy to clipboard<\/div><\/div>\n            <\/div>\n            \n\n\n\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\u5e76\u67e5\u770b Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u5df2\u7ecf\u6210\u529f\u4e3a\u5b50\u4efb\u52a1\u8bbe\u7f6e\u7236\u4efb\u52a1\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489503\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-25-41.png\" alt=\"\" width=\"2222\" height=\"400\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u663e\u793a\u4f5c\u4e3a\u7236\u4efb\u52a1\u7ed1\u5b9a\u5230\u53e6\u4e00\u4e2a\u4efb\u52a1\u7684\u4efb\u52a1<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6bcf\u4e2a\u65b0\u4efb\u52a1\u90fd\u6709\u4e00\u4e2a\u7531 .NET \u8fd0\u884c\u65f6\u6307\u5b9a\u7684\u6574\u6570 <code>Id<\/code>\u3002 \u8fd9\u4e9b\u6807\u8bc6\u7b26\u6709\u52a9\u4e8e\u8ddf\u8e2a\u5f53\u524d\u6d41\u7a0b\u4e2d\u5b58\u5728\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u8fd9\u6b21\uff0c\u56fe\u8868\u89c6\u56fe\u663e\u793a\u7531 <code>ParentedTasks<\/code> \u4ee3\u7801\u4ea7\u751f\u7684\u4e24\u4e2a\u5f02\u6b65\u903b\u8f91\u5806\u6808\uff0c\u8be5\u4ee3\u7801\u4f7f\u7528\u7c7b\u4f3c\u4e8e <code>Wait<\/code> \u7684\u65b9\u6cd5\u5e76\u8fd4\u56de <code>Task.CompletedTask<\/code>\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489514\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-28-21.png\" alt=\"\" width=\"1322\" height=\"512\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u663e\u793a\u4e24\u4e2a\u5f02\u6b65\u903b\u8f91\u5806\u6808<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u5f88\u597d\uff0c \u4e86\u89e3\u4efb\u52a1\u662f\u76f8\u5173\u8fd8\u662f\u5df2\u521b\u5efa\u5355\u72ec\u903b\u8f91\u5806\u6808\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u4e86\u89e3\u662f\u5426\u521b\u5efa\u4e86\u6f5c\u5728\u7684\u7ade\u4e89\u6761\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u6765\u770b\u770b Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u5982\u4f55\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u5de5\u4f5c\u7684\u8ba1\u5212\u65b9\u5f0f\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u8ba1\u5212\u4efb\u52a1<\/h2>\n<p><code>await<\/code> \u4e00\u9879\u4efb\u52a1\u65f6\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u5c06\u5de5\u4f5c\u5b89\u6392\u5728\u672a\u6765\u7684\u65f6\u95f4\u3002 \u8fd9\u9879\u5de5\u4f5c\u53ef\u4ee5\u5728\u8ba1\u5212\u4efb\u52a1\u4e4b\u540e\u7acb\u5373\u8fdb\u884c\uff0c\u4e5f\u53ef\u4ee5\u5728\u6267\u884c\u5176\u4ed6\u8ba1\u5212\u4efb\u52a1\u4e4b\u540e\u8fdb\u884c\u3002 \u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u8ba1\u5212\u4e86\u51e0\u4e2a\u4efb\u52a1\u5e76\u7b49\u5f85\u5b83\u4eec\u5b8c\u6210\u3002<\/p>\n\n\n                        <div class=\"rider-code-highlight rider-code-highlight__dark\">\n                <pre><code><span class=\"keyword\">await<\/span> <span class=\"method-name\">ScheduledWork<\/span>();\r\n<span class=\"keyword\">async<\/span> <span class=\"class-name\">Task<\/span> <span class=\"method-name\">ScheduledWork<\/span>()\r\n{\r\n    <span class=\"static-symbol class-name\">Console<\/span><span class=\"operator\">.<\/span><span class=\"static-symbol method-name\">Write<\/span>(<span class=\"string\">\"Let's work...\"<\/span>);\r\n    <span class=\"keyword\">var<\/span> <span class=\"local-name\">tasks<\/span> <span class=\"operator\">=<\/span> <span class=\"class-name static-symbol\">Enumerable<\/span>\r\n        <span class=\"operator\">.<\/span><span class=\"static-symbol method-name\">Range<\/span>(<span class=\"number\">1<\/span>, <span class=\"number\">10<\/span>)\r\n        <span class=\"operator\">.<\/span><span class=\"extension-method-name\">Select<\/span>((<span class=\"parameter-name\">i<\/span>) <span class=\"operator\">=&gt;<\/span> <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">Run<\/span>(() <span class=\"operator\">=&gt;<\/span> <span class=\"class-name static-symbol\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">Write<\/span>(<span class=\"parameter-name\">i<\/span>)));\r\n\r\n    <span class=\"keyword\">await<\/span> <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WhenAll<\/span>(<span class=\"local-name\">tasks<\/span>);\r\n}\r\n<\/code><\/pre>\n                <div class=\"rider-code-highlight-btn-copy\"><div class=\"rider-code-highlight-tooltip\">Copy to clipboard<\/div><\/div>\n            <\/div>\n            \n\n\n\n\n\n\n<p>\u901a\u8fc7 <code>Task.WhenAll<\/code> \u5c1d\u8bd5\u6267\u884c\u6240\u6709\u63d0\u4f9b\u7684\u4efb\u52a1\uff0c\u6240\u6709\u4efb\u52a1\u90fd\u8ba1\u5212\u5728\u672a\u6765\u6267\u884c\u3002 \u60a8\u53ef\u4ee5\u5728 Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u4e2d\u770b\u5230\u6b64\u4fe1\u606f\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489525\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-44-01.png\" alt=\"\" width=\"2218\" height=\"848\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u5df2\u521b\u5efa\u7684 10 \u4e2a\u4efb\u52a1\u7684\u8ba1\u5212\u4efb\u52a1<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u6b64\u5916\uff0c\u4f7f\u7528 <code>Task.WhenAll<\/code> \u4f1a\u521b\u5efa\u5f02\u6b65\u903b\u8f91\u5806\u6808\uff0c\u6240\u6709\u64cd\u4f5c\u90fd\u53ef\u4ee5\u5728\u8be5\u5806\u6808\u4e0b\u8fd0\u884c\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489539\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-46-40.png\" alt=\"\" width=\"1684\" height=\"344\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u4e24\u4e2a\u5f02\u6b65\u903b\u8f91\u5806\u6808\uff0c\u5176\u4e2d\u4e00\u4e2a\u663e\u793a 10 \u4e2a\u503c<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u5728\u8c03\u8bd5\u4f1a\u8bdd\u671f\u95f4\u9010\u6b65\u6267\u884c\u4ee3\u7801\u65f6\uff0c\u60a8\u5c06\u770b\u5230 Tasks\uff08\u4efb\u52a1\uff09\u5217\u8868\u968f\u7740\u4efb\u52a1\u5b8c\u6210\u800c\u7f29\u51cf\u3002 \u60a8\u53ef\u80fd\u8fd8\u4f1a\u6ce8\u610f\u5230\u591a\u4e2a\u4efb\u52a1\u5728\u540c\u65f6\u6267\u884c\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489561\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-10-47-51.png\" alt=\"\" width=\"2223\" height=\"1438\" \/><\/p>\n<figcaption class=\"wp-element-caption\">Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u4e2d\u7684\u4efb\u52a1\u9010\u6e10\u51cf\u5c11<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u770b\u7740\u4efb\u52a1\u5b8c\u6210\u5f53\u7136\u611f\u89c9\u68d2\u6781\u4e86\uff0c\u4f46\u8fd9\u4e2a\u8fc7\u7a0b\u4e5f\u4e0d\u5e94\u8be5\u6ca1\u5b8c\u6ca1\u4e86\u3002 \u63a5\u4e0b\u6765\uff0c\u662f\u5904\u7406\u4efb\u52a1\u65f6\u6700\u53ef\u6015\u7684\u60c5\u51b5\uff1a\u6b7b\u9501\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u6b7b\u9501<\/h2>\n<p>\u6b7b\u9501\u6700\u5e38\u89c1\u7684\u539f\u56e0\u662f\u5bf9\u67d0\u79cd\u9501\u5b9a\u673a\u5236\u4fdd\u62a4\u7684\u5171\u4eab\u8d44\u6e90\u7684\u4e89\u7528\u3002 \u9501\u5b9a\u5728\u5904\u7406\u5171\u4eab\u8d44\u6e90\u65f6\u5fc5\u4e0d\u53ef\u5c11\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u5e94\u7528\u4e2d\u65ad\u95ee\u9898\u3002<\/p>\n<p>\u521b\u9020\u4e00\u4e2a\u6b7b\u9501\uff0c \u6211\u4eec\u6765\u4e86\u89e3 Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u5982\u4f55\u5e2e\u52a9\u6211\u4eec\u8bc6\u522b\u5b83\u3002 \u6211\u4eec\u5c06\u8ba1\u5212\u4e24\u4e2a\u4efb\u52a1\uff0c\u6bcf\u4e2a\u4efb\u52a1\u90fd\u5c1d\u8bd5\u9501\u5b9a\u76f8\u540c\u7684\u53d8\u91cf\u3002<\/p>\n\n\n                        <div class=\"rider-code-highlight rider-code-highlight__dark\">\n                <pre><code><span class=\"keyword\">await<\/span> <span class=\"method-name\">Deadlock<\/span>();\r\n\r\n<span class=\"comment\">\/\/ This method will cause a deadlock<\/span>\r\n<span class=\"comment\">\/\/ proceed with caution, oOOoOOoOo! ?<\/span>\r\n<span class=\"keyword\">async<\/span> <span class=\"class-name\">Task<\/span> <span class=\"method-name\">Deadlock<\/span>()\r\n{\r\n    <span class=\"keyword\">object<\/span> <span class=\"local-name\">one<\/span> <span class=\"operator\">=<\/span> <span class=\"keyword\">new<\/span>();\r\n    <span class=\"keyword\">object<\/span> <span class=\"local-name\">two<\/span> <span class=\"operator\">=<\/span> <span class=\"keyword\">new<\/span>();\r\n\r\n    <span class=\"keyword\">var<\/span> <span class=\"local-name\">timer<\/span> <span class=\"operator\">=<\/span> <span class=\"keyword\">new<\/span> <span class=\"namespace-name\">System<\/span><span class=\"operator\">.<\/span><span class=\"namespace-name\">Timers<\/span><span class=\"operator\">.<\/span><span class=\"class-name\">Timer<\/span>(\r\n        <span class=\"struct-name\">TimeSpan<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">FromSeconds<\/span>(<span class=\"number\">2<\/span>)\r\n    ) { <span class=\"property-name\">Enabled<\/span> <span class=\"operator\">=<\/span> <span class=\"keyword\">true<\/span>, <span class=\"property-name\">AutoReset<\/span> <span class=\"operator\">=<\/span> <span class=\"keyword\">false<\/span> };\r\n\r\n    <span class=\"local-name\">timer<\/span><span class=\"operator\">.<\/span><span class=\"event-name\">Elapsed<\/span> <span class=\"operator\">+=<\/span> (<span class=\"keyword\">_<\/span>, <span class=\"keyword\">_<\/span>) <span class=\"operator\">=&gt;<\/span>\r\n    {\r\n        <span class=\"comment\">\/\/ only see this if we're deadlocked<\/span>\r\n        <span class=\"class-name static-symbol\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"?Deadlock\"<\/span>);\r\n    };\r\n\r\n    <span class=\"keyword\">await<\/span> <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WhenAll<\/span>(<span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">Run<\/span>(() <span class=\"operator\">=&gt;<\/span>\r\n    {\r\n        <span class=\"class-name static-symbol\">Console<\/span><span class=\"operator\">.<\/span><span class=\"static-symbol method-name\">WriteLine<\/span>(<span class=\"string\">\"Getting lock for one.\"<\/span>);\r\n        <span class=\"keyword\">lock<\/span> (<span class=\"local-name\">one<\/span>)\r\n        {\r\n            <span class=\"class-name\">Thread<\/span><span class=\"operator\">.<\/span><span class=\"static-symbol method-name\">Sleep<\/span>(<span class=\"number\">1000<\/span>);\r\n            <span class=\"static-symbol class-name\">Console<\/span><span class=\"operator\">.<\/span><span class=\"static-symbol method-name\">WriteLine<\/span>(<span class=\"string\">\"Getting lock two in first task.\"<\/span>);\r\n            <span class=\"keyword\">lock<\/span> (<span class=\"local-name\">two<\/span>)\r\n            {\r\n            }\r\n        }\r\n    }), <span class=\"class-name\">Task<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">Run<\/span>(() <span class=\"operator\">=&gt;<\/span>\r\n    {\r\n        <span class=\"static-symbol class-name\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"Getting lock two in second task.\"<\/span>);\r\n        <span class=\"keyword\">lock<\/span> (<span class=\"local-name\">two<\/span>)\r\n        {\r\n            <span class=\"class-name\">Thread<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">Sleep<\/span>(<span class=\"number\">1000<\/span>);\r\n            <span class=\"class-name static-symbol\">Console<\/span><span class=\"operator\">.<\/span><span class=\"method-name static-symbol\">WriteLine<\/span>(<span class=\"string\">\"Getting lock one in second task.\"<\/span>);\r\n            <span class=\"keyword\">lock<\/span> (<span class=\"local-name\">one<\/span>)\r\n            {\r\n            }\r\n        }\r\n    }));\r\n}\r\n<\/code><\/pre>\n                <div class=\"rider-code-highlight-btn-copy\"><div class=\"rider-code-highlight-tooltip\">Copy to clipboard<\/div><\/div>\n            <\/div>\n            \n\n\n\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\u65f6\uff0c\u60a8\u4f1a\u53d1\u73b0\u5e94\u7528\u7a0b\u5e8f\u4e0d\u4f1a\u9000\u51fa\u3002 \u5728 <b>Run<\/b>\uff08\u8fd0\u884c\uff09\u5de5\u5177\u680f\u4e2d\uff0c\u70b9\u51fb\u6682\u505c\u6309\u94ae\u6765\u6682\u505c\u5e94\u7528\u7a0b\u5e8f\u3002 \u7cdf\u4e86\uff0c\u6b7b\u9501\uff01 \u592a\u9707\u60ca\u4e86\uff01 \uff08\u5176\u5b9e\u4e5f\u6ca1\u6709\u5f88\u9707\u60ca\uff09\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489572\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-11-06-43.png\" alt=\"\" width=\"2040\" height=\"466\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u4efb\u52a1\u8868\u683c\u89c6\u56fe\u4e2d\u7684\u4e00\u5bf9\u6b7b\u9501\u4efb\u52a1<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u56fe\u8868\u89c6\u56fe\u66f4\u80fd\u8bf4\u660e\u95ee\u9898\uff0c\u5b83\u5c55\u793a\u4e86\u4e24\u4e2a\u7ade\u4e89\u7684\u4efb\u52a1\u53ca\u5176\u539f\u56e0\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489583\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-11-07-39.png\" alt=\"\" width=\"1276\" height=\"530\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u4efb\u52a1\u56fe\u8868\u89c6\u56fe\u4e2d\u7684\u4e00\u5bf9\u6b7b\u9501\u4efb\u52a1<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u53cc\u51fb\u4efb\u610f\u4e00\u4e2a\u6b7b\u9501\u7684\u903b\u8f91\u5806\u6808\u90fd\u4f1a\u5c06\u60a8\u5e26\u5230\u6b7b\u9501\u7684\u4f4d\u7f6e\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-489594\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/07\/JetBrains-Rider-EAP-2024-06-26-11-10-42.png\" alt=\"\" width=\"2144\" height=\"1890\" \/><\/p>\n<figcaption class=\"wp-element-caption\">\u663e\u793a\u5bfc\u81f4 JetBrains Rider \u6b7b\u9501\u7684\u4ee3\u7801<\/figcaption>\n<\/figure>\n<\/div>\n<p>\u8fd9\u79cd\u4fbf\u6377\u7684\u5bfc\u822a\u5e94\u8be5\u53ef\u4ee5\u8ba9\u67e5\u627e\u548c\u89e3\u51b3\u6b7b\u9501\u53d8\u5f97\u975e\u5e38\u7b80\u5355\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n<p>Tasks\uff08\u4efb\u52a1\uff09\u89c6\u56fe\u76ee\u524d\u5728 <a href=\"https:\/\/jetbrains.com.cn\/rider\/next\/\" target=\"_blank\" rel=\"noopener\">JetBrains Rider 2024.2 EAP<\/a> \u4e2d\u53ef\u7528\uff0c\u6211\u4eec\u671f\u5f85\u60a8\u7684\u53cd\u9988\uff0c\u6b22\u8fce\u60a8\u5e2e\u52a9\u6211\u4eec\u5851\u9020\u5de5\u5177\u7684\u672a\u6765\u3002 \u6211\u4eec\u6df1\u77e5\u4efb\u52a1\u53ef\u80fd\u662f .NET \u5f00\u53d1\u7684\u6311\u6218\u6027\u90e8\u5206\uff0c\u5e0c\u671b\u989d\u5916\u7684\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u60a8\u514b\u670d\u8fd9\u4e9b\u6311\u6218\u3002 \u5c1d\u8bd5\u4e00\u4e0b\uff0c\u770b\u770b\u5b83\u662f\u5426\u53ef\u4ee5\u5e2e\u52a9\u60a8\u4f18\u5316\u73b0\u6709\u4ee3\u7801\u6216\u627e\u5230\u4ee3\u7801\u5e93\u4e2d\u5b58\u5728\u5df2\u4e45\u7684\u95ee\u9898\u3002<\/p>\n<p>\u611f\u8c22\u9605\u8bfb\uff0c\u6211\u4eec\u671f\u5f85\u60a8\u7684\u60f3\u6cd5\u548c\u8bc4\u8bba\u3002<\/p>\n<div class=\"buttons\">\n<div class=\"buttons__row\"><a class=\"btn\" href=\"https:\/\/jetbrains.com.cn\/rider\/next\/\" target=\"\" rel=\"noopener\">\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\uff01<\/a><\/div>\n<\/div>\n<p><sub><em>\u56fe\u7247\u6765\u6e90\uff1a<a href=\"https:\/\/unsplash.com\/@edenconstantin0\" target=\"_blank\" rel=\"noopener\">Eden Constantino<\/a><\/em><\/sub><\/p>\n<p>\u672c\u535a\u6587\u82f1\u6587\u539f\u4f5c\u8005\uff1a<\/p>\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            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<\/div>\n\n","protected":false},"author":1297,"featured_media":497851,"comment_status":"closed","ping_status":"closed","template":"","categories":[4992],"tags":[2026,211,1978,1110],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/dotnet\/497800"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/dotnet"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/types\/dotnet"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/users\/1297"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=497800"}],"version-history":[{"count":10,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/dotnet\/497800\/revisions"}],"predecessor-version":[{"id":499121,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/dotnet\/497800\/revisions\/499121"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media\/497851"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=497800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=497800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=497800"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/cross-post-tag?post=497800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}