{"id":55,"date":"2010-08-09T19:00:01","date_gmt":"2010-08-09T19:00:01","guid":{"rendered":"http:\/\/blog.yyhcw.com\/post\/55.html"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T07:54:17","slug":"","status":"publish","type":"post","link":"http:\/\/blog.yyhcw.com\/post\/55.html","title":{"rendered":"ASP\u65f6\u95f4\u6bd4\u8f83\u7684SQL\u8bed\u53e5ACCESS\u67e5\u8be2\u4e2d\u600e\u4e48\u5199\u65e5\u671f\u6bd4\u8f83\u7684SQL\u8bed\u53e5"},"content":{"rendered":"<p>\u3000\u3000\u5728\u7f51\u7ad9\u7684\u5236\u4f5c\u5f53\u4e2d\u5982\u679c\u9047\u5230\u6bd4\u8f83\u65f6\u95f4\u7684\u65f6\u5019\u5c31\u8981\u7528\u5230SQL\u8bed\u53e5\uff0c\u8fd9\u662f\u5c31\u4f1a\u53d1\u73b0mssql\u548cAccess\u8bed\u53e5\u67e5\u8be2\u8bed\u53e5\u5c31\u6709\u6240\u4e0d\u540c\u4e86\uff01\u603b\u7ed3\u4e86\u4ee5\u4e0bsql\u8bed\u53e5 \u505a\u4e0b\u5907\u4efd\u5427\u4e5f\u7b97\u662f\u4e3a\u81ea\u5df1\uff1a<\/p>\n<p>\u4ee3\u7801\u4e00<br \/>select * from \u8868\u540d where DateDiff( &quot;d&quot;, \u65e5\u671f\u5b57\u6bb5\u5217\u540d, #\u6307\u5b9a\u65e5\u671f#) &lt;= 0<br \/>\u4ee3\u7801\u4e8c<br \/>select * from \u8868\u540d where \u65e5\u671f\u5b57\u6bb5\u5217\u540d&gt;#\u6307\u5b9a\u65e5\u671f#<\/p>\n<p>ASP\u6bd4\u8f83\u65f6\u95f4\u7684SQL\u8bed\u53e5\uff0c\u5176\u4e2dd\u4e3a\u5929\u6570\uff01<br \/>access<br \/>select * from [table] where datediff('d',\u65f6\u95f4\u5b57\u6bb5,Now())=0<\/p>\n<p>Sql Server<br \/>select * from [table] where datediff(d,\u65f6\u95f4\u5b57\u6bb5,GetDate())=0<\/p>\n<p>--------------------------------------------------------------------------------<\/p>\n<p>\u7f51\u7ad9\u7cfb\u7edf\u4f7f\u7528ACCESS\u6570\u636e\u5e93\u65f6\uff0c\u67e5\u8be2\u65f6\u600e\u4e48\u6bd4\u8f83\u65e5\u671f\u548c\u65f6\u95f4\u5462\uff1f\u4e3a\u4ec0\u4e48\u5e38\u5e38\u6bd4\u8f83\u51fa\u6765\u5374\u662f\u9519\u8bef\u7684\u5462\uff1f\u6bd4\u5982\u65e9\u7684\u65e5\u671f\u6bd4\u8fdf\u7684\u65e5\u671f\u5927\uff1f<br \/>\u5728ASP\u4e2d\u5148\u505a\u4e00\u4e2a\u5c0f\u6d4b\u8bd5\uff0c\u5c31\u662f\u6bd4\u8f83\u4e24\u4e2a\u65e5\u671f\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<br \/>&lt;%=&quot;2007-2-1&quot; &gt; &quot;2007-10-01&quot;%&gt;<br \/>\u7ed3\u679c\u663e\u793a\u4e3a\uff1aTrue<br \/>\u5947\u602a\u4e86\uff0c\u4e3a\u4ec0\u4e48\u5927\u65e5\u671f\u8fd8\u5c0f\u5462\uff1f\u628a\u65e5\u671f\u7684\u53cc\u5f15\u53f7\u53bb\u6389\uff0c\u8fd8\u662f\u8fd4\u56de\uff1aTrue<br \/>\u90a3\u662f\u600e\u4e48\u56de\u4e8b\u5462\uff1f\u539f\u6765\u662f\u5355\u7eaf\u65f6\u95f4\u6216\u7528\u53cc\u5f15\u53f7\u62ec\u8d77\u6765\uff0c\u5728ASP\u4e2d\u4e0d\u4ee3\u8868\u65f6\u95f4\uff0c\u65f6\u95f4\u9700\u8981\u7528\u4e24\u4e2a\u4e95\u53f7\uff08#\uff09\u62ec\u8d77\u6765\uff0c\u5982\u4e0b\uff1a<br \/>&lt;%=#2007-2-1# &gt; #2007-10-01#%&gt;<br \/>\u8fd9\u56de\u5c31\u8fd4\u56deFalse\u4e86\uff0c\u8bc1\u660e\u65f6\u95f4\u6bd4\u8f83\u5df2\u7ecf\u6b63\u786e\u3002<br \/>\u6240\u4ee5\u5728ASP\u4e2d\u9700\u8981\u7528\u4e95\u53f7\u62ec\u8d77\u6765\u3002ASP\u8fd8\u6709\u5176\u4ed6\u65e5\u671f\u51fd\u6570\u7528\u6765\u505a\u6bd4\u8f83\u7684\uff0c\u90a3\u5c31\u662f\uff1aDateDiff\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<br \/>DateDiff( \u95f4\u9694\u5b57\u7b26, \u65e5\u671f1, \u65e5\u671f2 [,firstdayofweek[, firstweekofyear]])<br \/>\u4e00\u822c\u4f7f\u7528 DateDiff( \u95f4\u9694\u5b57\u7b26, \u65e5\u671f1, \u65e5\u671f2) \u5c31\u8db3\u591f\u4e86\u3002<br \/>\u89e3\u91ca\u4e00\u4e0b\uff1a\u6b64\u51fd\u6570\u8fd4\u56de\u95f4\u9694\u7684\u65e5\u671f\u6216\u65f6\u95f4\uff0c\u8fd4\u56de\u7684\u662f\u5e74\u3001\u6708\u3001\u65e5\u5c31\u8981\u8bbe\u7f6e\u95f4\u9694\u5b57\u7b26\u4e86\uff0c\u6bd4\u5982\u95f4\u9694\u5b57\u7b26\u4e3a\uff1a&quot;yyyy&quot; \u5c31\u8868\u793a\u6bd4\u8f83\u5e74\u4efd\uff0c &quot;d&quot; \u6bd4\u8f83\u65e5\u671f\uff0c&quot;m&quot; \u6bd4\u8f83\u6708\u4efd\uff0c\u5982\u679c\u65e5\u671f1\u665a\u4e8e\u65e5\u671f1\uff0c\u90a3\u4e48\u4f1a\u8fd4\u56de\u8d1f\u6570\u3002<br \/>\u4e3e\u4e2a\u4f8b\u5b50\uff1a<br \/>&lt;%=DateDiff( &quot;d&quot;, #2008-1-10#, #2008-1-2#)%&gt;<br \/>\u7ed3\u679c\u662f\uff1a-8<\/p>\n<p><strong>ACCESS\u67e5\u8be2\u4e2d\u600e\u4e48\u5199\u65e5\u671f\u6bd4\u8f83\u7684SQL\u8bed\u53e5\uff1f<\/strong><br \/>1\u3001\u9996\u5148\u5728\u8bbe\u8ba1ACCESS\u6570\u636e\u8868\u65f6\uff0c\u65e5\u671f\u5b57\u6bb5\u5fc5\u987b\u4e3a\uff1a\u65e5\u671f\/\u65f6\u95f4\uff0c\u5982\u679c\u5b57\u6bb5\u7c7b\u578b\u4e3a\u5b57\u7b26\u7b49\uff0c\u65e5\u671f\u6bd4\u8f83\u65f6\u4f1a\u4e0d\u6b63\u786e\u3002<br \/>2\u3001SQL\u8bed\u53e5\u4f8b\u5b50\uff08\u67e5\u627e\u6bd4\u6307\u5b9a\u65e5\u671f\u540e\u7684\u8bb0\u5f55\uff09\uff1a<br \/>\u4ee3\u7801\u4e00<br \/>select * from \u8868\u540d where DateDiff( &quot;d&quot;, \u65e5\u671f\u5b57\u6bb5\u5217\u540d, #\u6307\u5b9a\u65e5\u671f#) &lt;= 0<br \/>\u4ee3\u7801\u4e8c<br \/>select * from \u8868\u540d where \u65e5\u671f\u5b57\u6bb5\u5217\u540d&gt;#\u6307\u5b9a\u65e5\u671f#<br \/>\u6ce8\u610f\u6307\u5b9a\u65e5\u671f\u4e24\u8fb9\u8981\u7528\u4e95\u53f7\u62ec\u8d77\u6765\u7684\u3002<\/p>\n<p>\u8fd9\u662f\u4ee5\u524d\u603b\u7ed3\u7684\u4e1c\u897f \u73b0\u5728\u628a\u5b83\u91cd\u65b0\u6574\u7406\u4e86\u4e0b \u53d1\u5e03\u5230<a target=\"_blank\" href=\"http:\/\/blog.yyhcw.com\">\u540e\u4e16\u4eca\u751f<\/a>\u4e0a\u6765\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"\u3000\u3000\u5728\u7f51\u7ad9\u7684\u5236\u4f5c\u5f53\u4e2d\u5982\u679c\u9047\u5230\u6bd4\u8f83\u65f6\u95f4\u7684\u65f6\u5019\u5c31\u8981\u7528\u5230SQL\u8bed\u53e5\uff0c\u8fd9\u662f\u5c31\u4f1a\u53d1\u73b0mssql\u548cAccess\u8bed\u53e5\u67e5\u8be2\u8bed\u53e5 \u00b7\u00b7\u00b7","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"views":433,"_links":{"self":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts\/55"}],"collection":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/comments?post=55"}],"version-history":[{"count":0,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts\/55\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/media?parent=55"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/categories?post=55"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/tags?post=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}