1. Token\uff1a\u7ed9\u5f02\u6b65\u65b9\u6cd5\u4f20\u5165\u8fd9\u4e2a token\uff0c\u8ba9\u5b83\u80fd\u54cd\u5e94\u53d6\u6d88\u3002
\n2. Cancel()\uff1a\u89e6\u53d1\u53d6\u6d88\u4fe1\u53f7\u3002
\n3. CancelAfter(TimeSpan)\uff1a\u5ef6\u8fdf\u53d6\u6d88\u3002<\/p>\n

Code: <\/strong>[\u5168\u9009]<\/a> [Expand\/Collapse]<\/a><\/div>\n
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Console.<\/span>WriteLine<\/span>(<\/span>"1.\u751f\u6210\u4e00\u4e2a\u53d6\u6d88\u4ee4\u724c\uff08CancellationToken\uff09\uff0c\u5e76\u5728 5 \u79d2\u949f\u540e\u53d1\u51fa\u53d6\u6d88\u8bf7\u6c42\u3002"<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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var<\/span> cts =<\/span> new<\/span> CancellationTokenSource(<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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cts.<\/span>CancelAfter<\/span>(<\/span>TimeSpan.<\/span>FromSeconds<\/span>(<\/span>5<\/span>)<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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<\/div>\n<\/li>\n
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Console.<\/span>WriteLine<\/span>(<\/span>"2.\u8c03\u7528\u5f02\u6b65\u4efb\u52a1 DoWorkAsync …"<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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await DoWorkAsync(<\/span>cts.<\/span>Token<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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<\/div>\n<\/li>\n
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Console.<\/span>WriteLine<\/span>(<\/span>"3.\u7a0b\u5e8f\u7ed3\u675f"<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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async Task DoWorkAsync(<\/span>CancellationToken token)<\/span><\/div>\n<\/li>\n
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{<\/span><\/div>\n<\/li>\n
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int<\/span> i =<\/span> 0<\/span>;<\/span><\/div>\n<\/li>\n
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while<\/span> (<\/span>!<\/span>token.<\/span>IsCancellationRequested<\/span>)<\/span><\/div>\n<\/li>\n
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{<\/span><\/div>\n<\/li>\n
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await Task.<\/span>Delay<\/span>(<\/span>1000<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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Console.<\/span>WriteLine<\/span>(<\/span>$" \u7b2c{++i}\u79d2. Working…"<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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}<\/span><\/div>\n<\/li>\n
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Console.<\/span>WriteLine<\/span>(<\/span>" \u4efb\u52a1\u88ab\u53d6\u6d88!"<\/span>)<\/span>;<\/span><\/div>\n<\/li>\n
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}<\/span><\/div>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
GeSHi © Codebox Plus Extension<\/div>\n<\/div>\n
\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n
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Code: <\/strong>[\u5168\u9009]<\/a> [Expand\/Collapse]<\/a><\/div>\n
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1<\/span>.\u751f\u6210\u4e00\u4e2a\u53d6\u6d88\u4ee4\u724c\uff08CancellationToken\uff09\uff0c\u5e76\u5728 5<\/span> \u79d2\u949f\u540e\u53d1\u51fa\u53d6\u6d88\u8bf7\u6c42\u3002<\/div>\n<\/li>\n
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2<\/span>.\u8c03\u7528\u5f02\u6b65\u4efb\u52a1 DoWorkAsync …<\/div>\n<\/li>\n
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\u7b2c1<\/span>\u79d2. Working…<\/div>\n<\/li>\n
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\u7b2c2<\/span>\u79d2. Working…<\/div>\n<\/li>\n
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\u7b2c3<\/span>\u79d2. Working…<\/div>\n<\/li>\n
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\u7b2c4<\/span>\u79d2. Working…<\/div>\n<\/li>\n
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\u7b2c5<\/span>\u79d2. Working…<\/div>\n<\/li>\n
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\u4efb\u52a1\u88ab\u53d6\u6d88!<\/span><\/div>\n<\/li>\n
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3<\/span>.\u7a0b\u5e8f\u7ed3\u675f<\/div>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
GeSHi © Codebox Plus Extension<\/div>\n<\/div>\n
\u539f\u6587\u4f5c\u8005: BG6RSH | \u67e5\u770b\u539f\u5e16<\/a><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"
CancellationTokenSource \u548c TaskCompletion … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[],"class_list":["post-1421","post","type-post","status-publish","format-standard","hentry","category-105"],"_links":{"self":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1421"}],"version-history":[{"count":0,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1421\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}