{"id":1338,"date":"2014-11-28T22:20:18","date_gmt":"2014-11-28T14:20:18","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=1338"},"modified":"2014-11-28T22:20:18","modified_gmt":"2014-11-28T14:20:18","slug":"qworker%e6%bc%94%e7%a4%ba-%e6%ad%a3%e4%bd%99%e5%bc%a6%e6%9b%b2%e7%ba%bf%e5%8a%a8%e6%80%81%e7%bb%98%e5%88%b6%e7%a4%ba%e4%be%8b%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=1338","title":{"rendered":"QWorker\u6f14\u793a-\u6b63\u4f59\u5f26\u66f2\u7ebf\u52a8\u6001\u7ed8\u5236\u793a\u4f8b\u89e3\u6790"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>\u8fd9\u4e2a\u793a\u4f8b\u4e3b\u8981\u662f\u6f14\u793a\u4e86Delay\u51fd\u6570\u7684\u7528\u6cd5\uff0c\u793a\u4f8b\u4e2d\u7528Delay\u6765\u4f5c\u4e00\u4e2a\u5ef6\u8fdf\u4f5c\u4e1a\uff0c\u5728\u6bcf\u6b21\u4f5c\u4e1a\u65f6\u7ed8\u5236\u4e00\u6bb5\u66f2\u7ebf\uff0c\u4ece\u800c\u5f62\u6210\u52a8\u6001\u6548\u679c\u3002<\/p>\n<p>\u7a0b\u5e8f\u8fd0\u884c\u6700\u7ec8\u7684\u6548\u679c\u5982\u56fe\u6240\u793a\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u653e\u7f6e\u4e86\u4e00\u4e2aTChart\u5bf9\u8c61\uff0c\u5e76\u9884\u5b9a\u4e49\u4e86\u4e24\u4e2aTLineSeries\u7c7b\u578b\u7684\u56fe\u8868\u9879\u76ee\uff0c\u6211\u4eec\u5728\u64cd\u4f5c\u65f6\uff0c\u4ee5\u7ebf\u6765\u62df\u5408\u6210\u6b63\u4f59\u5f26\u66f2\u7ebf\u3002<\/p>\n<p>\u5f53\u6211\u4eec\u70b9\u51fb\u5f00\u59cb\u6309\u94ae\u65f6\uff0c\u6211\u4eec\u89e6\u53d1\u4e86\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">procedure TForm6.Button1Click(Sender: TObject);\r\nbegin\r\nslCos.Clear;\r\nslSin.Clear;\r\nFFlags := 0;\r\nButton1.Enabled:=False;\r\nif CheckBox1.Checked then\r\n  begin\r\n  Chart1.LeftAxis.SetMinMax(-1, 1);\r\n  Chart1.BottomAxis.SetMinMax(0, 10);\r\n  end\r\nelse\r\n  begin\r\n  Chart1.LeftAxis.Automatic:=True;\r\n  Chart1.BottomAxis.Automatic:=True;\r\n  end;\r\n\/\/\u7275\u6d89\u5230VCL\u7684\u63a7\u4ef6\uff0c\u8fd9\u4e24\u4e2a\u4f5c\u4e1a\u5fc5\u9700\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u6267\u884c\r\nWorkers.Delay(DoSinJob, Q1MillSecond * 50, Pointer(0), True);\r\nWorkers.Delay(DoCosJob, Q1MillSecond * 50, Pointer(0), True);\r\nend;<\/pre>\n<p>\u4e3a\u4e86\u53ef\u4ee5\u91cd\u590d\u70b9\u51fb\u6f14\u793a\uff0c\u6211\u4eec\u5148\u6e05\u9664\u4e86\u4e0a\u6b21\u7684slCos\u548cslSin\u4e24\u6761\u7ebf\u56fe\u7684\u5185\u5bb9\uff0c\u7136\u540e\u8bbe\u7f6e\u6807\u5fd7\u4e3a0\uff0c\u6211\u4eec\u5b9a\u4e49FFlags\u662f\u4e3a\u4e86\u786e\u5b9a\u4f55\u65f6\u53ef\u4ee5\u91cd\u65b0\u542f\u7528Button1\u8fd9\u4e2a\u6309\u94ae\uff0c\u518d\u6b21\u70b9\u51fb\u3002CheckBox1\u662f\u5426\u9009\u62e9\u56fa\u5b9a\u5750\u6807\u8303\u56f4\u9009\u9879\u3002\u7136\u540e\u6211\u4eec\u5206\u522b\u5ef6\u8fdf50ms\u8ba1\u5212\u4e86\u4e24\u4e2a\u4f5c\u4e1aDoSinJob\u548cDoCosJob\uff0c\u6bcf\u6b21\u4f5c\u4e1a\u53ea\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u70b9\u3002\u4e3a\u4e86\u65b9\u4fbf\uff0c\u6211\u4eec\u76f4\u63a5\u5229\u7528\u4e86\u4f5c\u4e1a\u7684Data\u6210\u5458\u6765\u8bb0\u5f55\u4e0a\u6b21\u4f5c\u4e1a\u5df2\u7ecf\u8fdb\u884c\u5230\u7b2c\u51e0\u6b65\uff0c\u6240\u4ee5\u8fd9\u91cc\u521d\u59cb\u4e3a0\u3002\u8fd9\u91cc\u8981\u6ce8\u610fARunInMainThread\u53c2\u6570\u5fc5\u9700\u8bbe\u7f6e\u4e3aTrue\u3002\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u5728\u8fd9\u4e2a\u6f14\u793a\u4e2d\uff0c\u5728\u4f5c\u4e1a\u4e2d\u8981\u6dfb\u52a0\u7ed3\u70b9\u65f6\uff0c\u8981\u64cd\u4f5cChart1\u8fd9\u4e2aVCL\u63a7\u4ef6\uff0c\u800cVCL\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u6240\u4ee5\u5fc5\u9700\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u6267\u884c\u8fd9\u4e2a\u4f5c\u4e1a\u3002<\/p>\n<p>\u5269\u4e0b\u7684\u5c31\u662fDoSinJob\u548cDoCosJob\u4e24\u4e2a\u4f5c\u4e1a\u4e86\uff0c\u6211\u4eec\u7b80\u5355\u770b\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">procedure TForm6.DoCosJob(AJob: PQJob);\r\nvar\r\n  V: Double;\r\nbegin\r\nV := Integer(AJob.Data) \/ 10;\r\nslCos.AddXY(V, cos(V));\r\n\/\/\u5982\u679c\u7ed8\u5236\u672a\u5b8c\u6210\uff0c\u518d\u6b21\u5ef6\u8fdf\u89e6\u53d1\u4e0b\u4e00\u6b21\u7ed8\u56fe\r\nif Integer(AJob.Data) &lt; 100 then\r\n  Workers.Delay(DoCosJob, Q1MillSecond * 50,\r\n    Pointer(Integer(AJob.Data) + 1), True)\r\nelse\/\/\u8bbe\u7f6e\u5e76\u68c0\u67e5\u662f\u5426\u4e24\u4e2a\u4f5c\u4e1a\u90fd\u5b8c\u6210\u4e86,\u5982\u679c\u5b8c\u6210\u4e86\uff0c\u66f4\u65b0\u6309\u94ae\u72b6\u6001\r\n  begin\r\n  FFlags := FFlags or $01;\r\n  if FFlags = $03 then\r\n    Button1.Enabled := True;\r\n  end;\r\nend;\r\n \r\nprocedure TForm6.DoSinJob(AJob: PQJob);\r\nvar\r\n  V: Double;\r\nbegin\r\nV := Integer(AJob.Data) \/ 10;\r\nslSin.AddXY(V, sin(V));\r\n\/\/\u5982\u679c\u7ed8\u5236\u672a\u5b8c\u6210\uff0c\u518d\u6b21\u5ef6\u8fdf\u89e6\u53d1\u4e0b\u4e00\u6b21\u7ed8\u56fe\r\nif Integer(AJob.Data) &lt; 100 then\r\n  Workers.Delay(DoSinJob, Q1MillSecond * 50,\r\n    Pointer(Integer(AJob.Data) + 1), True)\r\nelse\/\/\u8bbe\u7f6e\u5e76\u68c0\u67e5\u662f\u5426\u4e24\u4e2a\u4f5c\u4e1a\u90fd\u5b8c\u6210\u4e86,\u5982\u679c\u5b8c\u6210\u4e86\uff0c\u66f4\u65b0\u6309\u94ae\u72b6\u6001\r\n  begin\r\n  FFlags := FFlags or $02;\r\n  if FFlags = $03 then\r\n    Button1.Enabled := True;\r\n  end;\r\nend;<\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06AJob.Data\u8f6c\u6362\u4e3a\u6574\u6570\u540e\uff0c\u7136\u540e\u9664\u4ee510\u6765\u5f97\u5230\u5b9e\u9645\u7684\u6b65\u8fdb\u503c\u3002\u5f53\u540e\u9762\u518d\u6b21\u8ba1\u7b97\u4e0b\u4e00\u6b21\u4f5c\u4e1a\u65f6\uff0c\u8fd9\u4e2a\u503c\u52a0\u4e861\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b9e\u9645\u7684\u6b65\u957f\u662f0.1\u3002\u5728\u6267\u884c100\u6b21\u8c03\u7528\u540e\uff0c\u6211\u4eec\u8bbe\u7f6e\u5e76\u68c0\u67e5\u6700\u7ec8\u7684\u6807\u5fd7\u4f4d\uff0c\u5728\u68c0\u6d4b\u5230\u4e24\u4e2a\u90fd\u5b8c\u6210\u540e\uff0cButton1\u91cd\u65b0\u542f\u7528\u3002\u5982\u679c\u6267\u884c\u6b21\u6570\u5c0f\u4e8e100\u6b21\uff0c\u5219\u518d\u6b21\u8c03\u7528Delay\u5ef6\u8fdf50ms\u8ba1\u5212\u4e0b\u4e00\u6b21\u8c03\u7528\u3002\u6700\u7ec8\u5c31\u5f62\u6210\u4e8650ms\/\u5e27\u7684\u52a8\u6001\u6f14\u793a\u6548\u679c\u3002<\/p>\n<p><a href=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2014\/11\/delaydemo.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1339 size-full\" src=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2014\/11\/delaydemo.gif\" alt=\"delaydemo\" width=\"674\" height=\"428\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; \u8fd9\u4e2a\u793a\u4f8b\u4e3b\u8981\u662f\u6f14\u793a\u4e86Del [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[69,8,9,6],"tags":[],"class_list":["post-1338","post","type-post","status-publish","format-standard","hentry","category-c-builder","category-delphi","category-qdac","category-qworker"],"views":4538,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/1338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1338"}],"version-history":[{"count":1,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/1338\/revisions"}],"predecessor-version":[{"id":1340,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/1338\/revisions\/1340"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}