{"id":637,"date":"2010-06-14T18:12:00","date_gmt":"2010-06-14T10:12:00","guid":{"rendered":"http:\/\/blog.jixin.ntxz.net\/?p=637"},"modified":"2010-07-30T15:39:11","modified_gmt":"2010-07-30T07:39:11","slug":"asp-net%e4%b8%addatetime%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.ntxz.net\/?p=637","title":{"rendered":"asp.net\u4e2dDateTime\u4f7f\u7528"},"content":{"rendered":"

\/\/<\/span>\u5982\u672c\u5e74\u5ea6\u9500\u552e\u989d\u3001\u672c\u5b63\u5ea6\u5229\u6da6\u3001\u672c\u6708\u65b0\u589e\u5ba2\u6237
                <\/span>\/\/<\/span>C#\u91cc\u5185\u7f6e\u7684DateTime\u57fa\u672c\u4e0a\u90fd\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\uff0c\u5de7\u7528DateTime\u4f1a\u4f7f\u4f60\u5904\u7406\u8fd9\u4e9b\u4e8b\u6765\u53d8\u8f7b\u677e\u591a\u4e86

                <\/span>\/\/<\/span>\u4eca\u5929<\/span>
<\/span>                 DateTime.Now.Date.ToShortDateString();
                <\/span>\/\/<\/span>\u6628\u5929\uff0c\u5c31\u662f\u4eca\u5929\u7684\u65e5\u671f\u51cf\u4e00<\/span>
<\/span>                 DateTime.Now.AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u660e\u5929\uff0c\u540c\u7406\uff0c\u52a0\u4e00<\/span>
<\/span>                 DateTime.Now.AddDays(<\/span>1<\/span>).ToShortDateString();

                <\/span>\/\/<\/span>\u672c\u5468(\u8981\u77e5\u9053\u672c\u5468\u7684\u7b2c\u4e00\u5929\u5c31\u5f97\u5148\u77e5\u9053\u4eca\u5929\u662f\u661f\u671f\u51e0\uff0c\u4ece\u800c\u5f97\u77e5\u672c\u5468\u7684\u7b2c\u4e00\u5929\u5c31\u662f\u51e0\u5929\u524d\u7684\u90a3\u4e00\u5929\uff0c\u8981\u6ce8\u610f\u7684\u662f\u8fd9\u91cc\u7684\u6bcf\u4e00\u5468\u662f\u4ece\u5468\u65e5\u59cb\u81f3\u5468\u516d\u6b62<\/span>
<\/span>                 DateTime.Now.AddDays(Convert.ToDouble((<\/span>0<\/span> <\/span>–<\/span> Convert.ToInt16(DateTime.Now.DayOfWeek)))).ToShortDateString();
                 DateTime.Now.AddDays(Convert.ToDouble((<\/span>6<\/span> <\/span>–<\/span> Convert.ToInt16(DateTime.Now.DayOfWeek)))).ToShortDateString();
                <\/span>\/\/<\/span>\u5982\u679c\u4f60\u8fd8\u4e0d\u660e\u767d\uff0c\u518d\u770b\u4e00\u4e0b\u4e2d\u6587\u663e\u793a\u661f\u671f\u51e0\u7684\u65b9\u6cd5\u5c31\u5e94\u8be5\u61c2\u4e86
                <\/span>\/\/<\/span>\u7531\u4e8eDayOfWeek\u8fd4\u56de\u7684\u662f\u6570\u5b57\u7684\u661f\u671f\u51e0\uff0c\u6211\u4eec\u8981\u628a\u5b83\u8f6c\u6362\u6210\u6c49\u5b57\u65b9\u4fbf\u6211\u4eec\u9605\u8bfb\uff0c\u6709\u4e9b\u4eba\u53ef\u80fd\u4f1a\u7528switch\u6765\u4e00\u4e2a\u4e00\u4e2a\u5730\u5bf9\u7167\uff0c\u5176\u5b9e\u4e0d\u7528\u90a3\u4e48\u9ebb\u70e6\u7684              <\/span>
<\/span>                <\/span>string<\/span>[] Day <\/span>=<\/span> <\/span>new<\/span> <\/span>string<\/span>[] <\/span><\/span>{ <\/span>“<\/span>\u661f\u671f\u65e5<\/span>“<\/span>, <\/span>“<\/span>\u661f\u671f\u4e00<\/span>“<\/span>, <\/span>“<\/span>\u661f\u671f\u4e8c<\/span>“<\/span>, <\/span>“<\/span>\u661f\u671f\u4e09<\/span>“<\/span>, <\/span>“<\/span>\u661f\u671f\u56db<\/span>“<\/span>, <\/span>“<\/span>\u661f\u671f\u4e94<\/span>“<\/span>, <\/span>“<\/span>\u661f\u671f\u516d<\/span>“<\/span> }<\/span><\/span>;
                 Day[Convert.ToInt16(DateTime.Now.DayOfWeek)];

                <\/span>\/\/<\/span>\u4e0a\u5468\uff0c\u540c\u7406\uff0c\u4e00\u4e2a\u5468\u662f7\u5929\uff0c\u4e0a\u5468\u5c31\u662f\u672c\u5468\u518d\u51cf\u53bb7\u5929\uff0c\u4e0b\u5468\u4e5f\u662f\u4e00\u6837<\/span>
<\/span>                 DateTime.Now.AddDays(Convert.ToDouble((<\/span>0<\/span> <\/span>–<\/span> Convert.ToInt16(DateTime.Now.DayOfWeek))) <\/span>–<\/span> <\/span>7<\/span>).ToShortDateString();
                 DateTime.Now.AddDays(Convert.ToDouble((<\/span>6<\/span> <\/span>–<\/span> Convert.ToInt16(DateTime.Now.DayOfWeek))) <\/span>–<\/span> <\/span>7<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u4e0b\u5468<\/span>
<\/span>                 DateTime.Now.AddDays(Convert.ToDouble((<\/span>0<\/span> <\/span>–<\/span> Convert.ToInt16(DateTime.Now.DayOfWeek))) <\/span>+<\/span> <\/span>7<\/span>).ToShortDateString();
                 DateTime.Now.AddDays(Convert.ToDouble((<\/span>6<\/span> <\/span>–<\/span> Convert.ToInt16(DateTime.Now.DayOfWeek))) <\/span>+<\/span> <\/span>7<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u672c\u6708,\u5f88\u591a\u4eba\u90fd\u4f1a\u8bf4\u672c\u6708\u7684\u7b2c\u4e00\u5929\u561b\u80af\u5b9a\u662f1\u53f7\uff0c\u6700\u540e\u4e00\u5929\u5c31\u662f\u4e0b\u4e2a\u6708\u4e00\u53f7\u518d\u51cf\u4e00\u5929\u3002\u5f53\u7136\u8fd9\u662f\u5bf9\u7684
                <\/span>\/\/<\/span>\u4e00\u822c\u7684\u5199\u6cd5<\/span>
<\/span>                 DateTime.Now.Year.ToString() <\/span>+<\/span> DateTime.Now.Month.ToString() <\/span>+<\/span> <\/span>“<\/span>1<\/span>“<\/span>; <\/span>\/\/<\/span>\u7b2c\u4e00\u5929<\/span>
<\/span>                 DateTime.Parse(DateTime.Now.Year.ToString() <\/span>+<\/span> DateTime.Now.Month.ToString() <\/span>+<\/span> <\/span>“<\/span>1<\/span>“<\/span>).AddMonths(<\/span>1<\/span>).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();<\/span>\/\/<\/span>\u6700\u540e\u4e00\u5929

                <\/span>\/\/<\/span>\u5de7\u7528C#\u91ccToString\u7684\u5b57\u7b26\u683c\u5f0f\u5316\u66f4\u7b80\u4fbf<\/span>
<\/span>                 DateTime.Now.ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>);
                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddMonths(<\/span>1<\/span>).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();

                <\/span>\/\/<\/span>\u4e0a\u4e2a\u6708\uff0c\u51cf\u53bb\u4e00\u4e2a\u6708\u4efd<\/span>
<\/span>                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddMonths(<\/span>–<\/span>1<\/span>).ToShortDateString();
                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u4e0b\u4e2a\u6708\uff0c\u52a0\u53bb\u4e00\u4e2a\u6708\u4efd<\/span>
<\/span>                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddMonths(<\/span>1<\/span>).ToShortDateString();
                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddMonths(<\/span>2<\/span>).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>7\u5929\u540e<\/span>
<\/span>                 DateTime.Now.Date.ToShortDateString();
                 DateTime.Now.AddDays(<\/span>7<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>7\u5929\u524d<\/span>
<\/span>                 DateTime.Now.AddDays(<\/span>–<\/span>7<\/span>).ToShortDateString();
                 DateTime.Now.Date.ToShortDateString();

                <\/span>\/\/<\/span>\u672c\u5e74\u5ea6\uff0c\u7528ToString\u7684\u5b57\u7b26\u683c\u5f0f\u5316\u6211\u4eec\u4e5f\u5f88\u5bb9\u6613\u5730\u7b97\u51fa\u672c\u5e74\u5ea6\u7684\u7b2c\u4e00\u5929\u548c\u6700\u540e\u4e00\u5929<\/span>
<\/span>                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-01-01<\/span>“<\/span>)).ToShortDateString();
                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-01-01<\/span>“<\/span>)).AddYears(<\/span>1<\/span>).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u4e0a\u5e74\u5ea6\uff0c\u4e0d\u7528\u518d\u89e3\u91ca\u4e86\u5427<\/span>
<\/span>                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-01-01<\/span>“<\/span>)).AddYears(<\/span>–<\/span>1<\/span>).ToShortDateString();
                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-01-01<\/span>“<\/span>)).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u4e0b\u5e74\u5ea6<\/span>
<\/span>                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-01-01<\/span>“<\/span>)).AddYears(<\/span>1<\/span>).ToShortDateString();
                 DateTime.Parse(DateTime.Now.ToString(<\/span>“<\/span>yyyy-01-01<\/span>“<\/span>)).AddYears(<\/span>2<\/span>).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();

                <\/span>\/\/<\/span>\u672c\u5b63\u5ea6\uff0c\u5f88\u591a\u4eba\u90fd\u4f1a\u89c9\u5f97\u8fd9\u91cc\u96be\u70b9\uff0c\u9700\u8981\u5199\u4e2a\u957f\u957f\u7684\u8fc7\u7a0b\u6765\u5224\u65ad\u3002\u5176\u5b9e\u4e0d\u7528\u7684\uff0c\u6211\u4eec\u90fd\u77e5\u9053\u4e00\u5e74\u56db\u4e2a\u5b63\u5ea6\uff0c\u4e00\u4e2a\u5b63\u5ea6\u4e09\u4e2a\u6708
                <\/span>\/\/<\/span>\u9996\u5148\u6211\u4eec\u5148\u628a\u65e5\u671f\u63a8\u5230\u672c\u5b63\u5ea6\u7b2c\u4e00\u4e2a\u6708\uff0c\u7136\u540e\u8fd9\u4e2a\u6708\u7684\u7b2c\u4e00\u5929\u5c31\u662f\u672c\u5b63\u5ea6\u7684\u7b2c\u4e00\u5929\u4e86<\/span>
<\/span>                 DateTime.Now.AddMonths(<\/span>0<\/span> <\/span>–<\/span> ((DateTime.Now.Month <\/span>–<\/span> <\/span>1<\/span>) <\/span>%<\/span> <\/span>22<\/span>)).ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>);
                <\/span>\/\/<\/span>\u540c\u7406\uff0c\u672c\u5b63\u5ea6\u7684\u6700\u540e\u4e00\u5929\u5c31\u662f\u4e0b\u5b63\u5ea6\u7684\u7b2c\u4e00\u5929\u51cf\u4e00<\/span>
<\/span>                 DateTime.Parse(DateTime.Now.AddMonths(<\/span>22<\/span> <\/span>–<\/span> ((DateTime.Now.Month <\/span>–<\/span> <\/span>1<\/span>) <\/span>%<\/span> <\/span>22<\/span>)).ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u4e0b\u5b63\u5ea6\uff0c\u76f8\u4fe1\u4f60\u4eec\u90fd\u77e5\u9053\u4e86\u3002\u3002\u3002\u3002\u6536\u5de5<\/span>
<\/span>                 DateTime.Now.AddMonths(<\/span>22<\/span> <\/span>–<\/span> ((DateTime.Now.Month <\/span>–<\/span> <\/span>1<\/span>) <\/span>%<\/span> <\/span>22<\/span>)).ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>);
                 DateTime.Parse(DateTime.Now.AddMonths(<\/span>6<\/span> <\/span>–<\/span> ((DateTime.Now.Month <\/span>–<\/span> <\/span>1<\/span>) <\/span>%<\/span> <\/span>22<\/span>)).ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();
                <\/span>\/\/<\/span>\u4e0a\u5b63\u5ea6<\/span>
<\/span>                 DateTime.Now.AddMonths(<\/span>–<\/span>22<\/span> <\/span>–<\/span> ((DateTime.Now.Month <\/span>–<\/span> <\/span>1<\/span>) <\/span>%<\/span> <\/span>22<\/span>)).ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>);
                 DateTime.Parse(DateTime.Now.AddMonths(<\/span>0<\/span> <\/span>–<\/span> ((DateTime.Now.Month <\/span>–<\/span> <\/span>1<\/span>) <\/span>%<\/span> <\/span>22<\/span>)).ToString(<\/span>“<\/span>yyyy-MM-01<\/span>“<\/span>)).AddDays(<\/span>–<\/span>1<\/span>).ToShortDateString();<\/span> <\/p>\n","protected":false},"excerpt":{"rendered":"

\/\/\u5982\u672c\u5e74\u5ea6\u9500\u552e\u989d\u3001\u672c\u5b63\u5ea6\u5229\u6da6\u3001\u672c\u6708\u65b0\u589e\u5ba2\u6237 &nb […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,8],"tags":[],"class_list":["post-637","post","type-post","status-publish","format-standard","hentry","category-1","category-oldblog"],"views":325,"_links":{"self":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=637"}],"version-history":[{"count":1,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/637\/revisions"}],"predecessor-version":[{"id":755,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/637\/revisions\/755"}],"wp:attachment":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=637"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}