{"id":276,"date":"2008-12-16T09:28:46","date_gmt":"2008-12-16T01:28:46","guid":{"rendered":""},"modified":"2014-02-27T23:01:49","modified_gmt":"2014-02-27T15:01:49","slug":"%e4%bd%bf%e7%94%a8application%e6%8f%90%e9%ab%98asp%e6%95%b0%e6%8d%ae%e6%98%be%e7%a4%ba%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"http:\/\/www.xiaoyebailong.com\/index.php\/2008\/12\/16\/276.htm","title":{"rendered":"\u4f7f\u7528Application\u63d0\u9ad8ASP\u6570\u636e\u663e\u793a\u6548\u7387"},"content":{"rendered":"

\u4f7f\u7528application\u63d0\u9ad8ASP\u6570\u636e\u663e\u793a\u6548\u7387
\n\u5f53\u6570\u636e\u4e0a\u5230\u597d\u51e0\u4e07\u591a\u6761\u65f6,\u8981\u8c03\u7528\u51e0\u6761\u6570\u636e\u5728\u9875\u9762\u663e\u793a,ASP\u5c31\u4f1a\u6162\u5982\u8717\u725b.\u6700\u7cdf\u7cd5\u7684\u662f,\u5f53n\u591a\u7528\u6237\u6253\u5f00\u9875\u9762\u8bbf\u95ee\u7684\u65f6\u5019,\u6bcf\u4e2a\u7528\u6237\u6bcf\u6b21\u90fd\u8981\u8bfb\u53d6\u6570\u636e\u5e93\u4e00\u6b21,\u8fd9\u65e0\u7591\u964d\u4f4e\u4e86\u6548\u7387,\u5f88\u660e\u663e, \u5982\u679c\u80fd\u628a\u6570\u636e\u80fd\u4fdd\u5b58\u5728\u5185\u5b58\u4e0a,\u7136\u540e\u8bfb\u53d6,\u65e0\u7591\u52a0\u5feb\u4e86\u901f\u5ea6.
\n\u6240\u8c13\u7f13\u5b58\u5176\u5b9e\u5c31\u662f\u5728\u5185\u5b58\u4e2d\u5f00\u8f9f\u4e00\u4e2a\u7528\u6765\u4fdd\u5b58\u6570\u636e\u7684\u7a7a\u95f4.
\n\u4f7f\u7528\u7f13\u5b58\u4f60\u5c31\u4e0d\u7528\u9891\u7e41\u7684\u8bbf\u95ee\u4f60\u4fdd\u5b58\u5728\u786c\u76d8\u4e0a\u7684\u6570\u636e\u4e86\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u6570\u636e\u6211\u4eec\u5e0c\u671b\u6bcf\u4e2a\u7528\u6237\u90fd\u80fd\u770b\u5230\u6548\u679c\u4e00\u6837,\u8003\u8651\u4f7f\u7528\u7684\u662fapplication\u5bf9\u8c61,\u56e0\u4e3a\u5b83\u662f\u6240\u6709\u8bbf\u95ee\u8005\u7684\u5171\u7528\u7684\u5bf9\u8c61,\u5b58\u50a8\u7684\u4fe1\u606f\u548c\u5b9a\u4e49\u7684\u4e8b\u4ef6\u80fd\u591f\u4e3a\u6240\u6709\u8005\u8bbf\u95ee\u8005\u4f7f\u7528,\u8fd9\u91cc\u8981\u4f7f\u7528asp\u5185\u7f6e\u5bf9\u8c61application\u4e86.
\n\u5173\u4e8eapplication:
\n2\u4e2a\u65b9\u6cd5[lock \u548c unlock],
\n2\u4e2a\u96c6\u5408[content \u548c staticobjects],
\n2\u4e2a\u4e8b\u4ef6[\u5f00\u59cb\u7684application_onstart \u548c application_end]
\napplication\u53d8\u91cf\u4e0d\u4f1a\u56e0\u4e3a\u7528\u6237\u7684\u79bb\u5f00\u800c\u6d88\u5931,\u4e00\u65e6\u5efa\u7acb,\u4e00\u76f4\u7b49\u5230\u7f51\u7ad9\u5173\u95ed\u548c\u7a0b\u5e8f\u5378\u8f7d\u4e3a\u6b62,\u6b63\u56e0\u4e3a\u5982\u6b64,\u4f7f\u7528\u7684\u65f6\u5019\u8981\u7279\u522b\u5c0f\u5fc3!,\u5426\u5219\u4f1a\u5360\u7528\u5185\u5b58(\u865a\u62df\u4e3b\u673a\u63d0\u4f9b\u5546\u5f88\u4e0d\u9ad8\u5174\u4e86).
\n\u6211\u4eec\u662f\u628a\u6570\u636e\u5199\u5165\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684application\u91cc\u9762,\u5728\u5236\u5b9a\u7684\u65f6\u95f4\u8bfb\u53d6\u5237\u65b0\u7684,\u5927\u4f53\u601d\u8def\u5c31\u662f\u8fd9\u6837.<\/p>\n

\u5b9e\u4f8b\u6f14\u793a.\u5148\u5efa\u7acb\u4e00\u4e2a\u7b80\u5355\u7684\u6570\u636e\u5e93,\u5199\u4e2afunction\u8bfb\u53d6\u4e00\u4e0b,\u5199\u5165\u4e00\u4e2adim\u53d8\u91cftemp\u4e2d:<\/p>\n

\u7a0b\u5e8f\u4ee3\u7801
\n<%\u3000\u3000Function DisplayRecords()
\n\u3000\u3000’\u8fd9\u4e2a\u51fd\u6570\u539f\u6765\u7ed9\u4e00\u4e2a\u53d8\u91cftemp\u4ed8\u4e0a\u8bb0\u5f55\u7684\u503c
\n\u3000\u3000Dim sql, conn, rs
\n\u3000\u3000’\u7b26\u5408\u6761\u4ef6\u7684sql\u8bed\u53e5
\n\u3000\u3000sql = "Select id, [szd_f], [szd_t] FROM admin"
\n\u3000\u3000’\u6253\u5f00\u6570\u636e\u5e93\u8fde\u63a5
\n\u3000\u3000Set conn = Server.CreateObject("ADODB.Connection")
\n\u3000\u3000conn.Open "DRIVER={Microsoft Access Driver (*.mdb)}; DBQ="&Server.MapPath("db.mdb")
\n\u3000\u3000Set rs = Server.CreateObject("ADODB.Recordset")
\n\u3000\u3000rs.Open sql, conn, 1, 3
\n\u3000\u3000’\u5f53\u7b26\u5408sq\u8bed\u53e5l\u7684\u6570\u636e\u6ca1\u6709\u663e\u793a\u5b8c\u6bd5\u65f6<\/p>\n

\n\u4f0a\u56fe\u6559\u7a0b\u7f51[www.etoow.com]
\nhttp:\/\/www.etoow.com\/html\/2007-04\/1176620408.html<\/a>
\n\u3000\u3000If Not rs.EOF Then
\n\u3000\u3000’\u7ed9temp\u53d8\u91cf\u8d4b\u503c
\n\u3000\u3000Dim temp
\n\u3000\u3000temp = "<table width=""90%"" align=""center"""
\n\u3000\u3000temp = temp & " border=""1"" bordercolor=""silver"""
\n\u3000\u3000temp = temp & " cellspacing=""2"" cellpadding=""0"">"
\n\u3000\u3000temp = temp & "<tr bgcolor=""#CCDDEE""><td width=""5%"""
\n\u3000\u3000temp = temp & ">ID<\/td><td>\u64cd\u4f5c<\/td>"
\n\u3000\u3000temp = temp & "<td>\u6570\u503c<\/td><\/tr>"
\n\u3000\u3000While Not rs.EOF
\n\u3000\u3000temp = temp & "<tr><td bgcolor=""#CCDDEE"">"
\n\u3000\u3000temp = temp & rs("ID") & "<\/td><td>" & rs("szd_f")
\n\u3000\u3000temp = temp & "<\/td><td>" & rs("szd_t")
\n\u3000\u3000temp = temp & "<\/td><\/tr>"
\n\u3000\u3000rs.MoveNext
\n\u3000\u3000Wend
\n\u3000\u3000temp = temp & "<\/table>"
\n\u3000\u3000’temp\u8d4b\u503c\u5b8c\u6bd5,\u628a\u5b83\u518d\u8fd4\u56de\u7ed9\u51fd\u6570
\n\u3000\u3000DisplayRecords = temp
\n\u3000\u3000Else
\n\u3000\u3000DisplayRecords = "Data Not Available."
\n\u3000\u3000End If
\n\u3000\u3000’\u91ca\u653e\u5185\u5b58
\n\u3000\u3000rs.Close
\n\u3000\u3000conn.Close<\/p>\n

Set rs = Nothing
\n\u3000\u3000Set conn = Nothing
\n\u3000\u3000End Function %><\/p>\n

\u3000\u3000ok,\u4e0a\u9762\u7684\u51fd\u6570\u6539\u9020\u5b8c\u6bd5,\u8c03\u7528\u7684\u65f6\u5019\u5c31\u662fDisplayRecords.
\n\u3000\u3000\u4e0b\u9762\u662fapplication\u5927\u663e\u8eab\u624b\u4e86:<\/p>\n

\u7a0b\u5e8f\u4ee3\u7801
\n<%’\u8be5\u51fd\u6570\u662f\u5199\u5165\u7f13\u5b58
\n\u3000\u3000Function DisplayCachedRecords(Secs)
\n\u3000\u3000Dim retVal, datVal, temp1
\n\u3000\u3000’Secs\u662f\u6bcf\u6b21\u8981\u5237\u65b0\u6570\u636e\u7684\u65f6\u95f4, retVal\u662f\u6570\u636e,datVal\u662f\u5269\u4f59\u65f6\u95f4
\n\u3000\u3000retVal = Application("cache_demo") ‘\u53d6\u5f97appliction\u7684\u503c
\n\u3000\u3000datVal = Application("cache_demo_date") ‘\u53d6\u5f97appliction\u7684\u503c
\n\u3000\u3000’\u5224\u65addatVal \u7684\u503c,\u4e5f\u5c31\u662f\u8981\u8ba1\u7b97\u65f6\u95f4\u8fc7\u53bb\u4e86\u6ca1
\n\u3000\u3000If datVal = "" Then
\n\u3000\u3000’\u5982\u679c\u662f\u7a7a,datVal\u503c\u4e3a\u5f53\u524d\u65f6\u95f4\u6309\u79d2\u52a0\u4e0asecs\u5b9a\u4e49\u7684\u65f6\u95f4
\n\u3000\u3000datVal = DateAdd("s",Secs,Now)
\n\u3000\u3000End If
\n\u3000\u3000’temp1\u662f\u5224\u65ad\u5f53\u524d\u65f6\u95f4\u548cdatVal\u7684\u79d2\u5dee
\n\u3000\u3000temp1 = DateDiff("s", Now, datVal)
\n\u3000\u3000’\u5982\u679cretVal\u5df2\u7ecf\u662f\u4e0a\u9762\u51fd\u6570\u7684\u8fd4\u56de\u503c\u4e14\u65f6\u95f4\u5927\u4e8e0
\n\u3000\u3000If temp1 > 0 And retVal <> "" Then
\n\u3000\u3000’\u672c\u51fd\u6570\u8fd4\u56de\u8bb0\u5f55\u6570<\/p>\n

\u4f0a\u56fe\u6559\u7a0b\u7f51[www.etoow.com]
\nhttp:\/\/www.etoow.com\/html\/2007-04\/1176620408-1.html<\/a>
\n\u3000\u3000DisplayCachedRecords = retVal<\/p>\n

\u3000\u3000Response.Write "<b><font color=""green"">\u5229\u7528\u7f13\u5b58\u8bfb\u53d6\u6570\u636e"
\n\u3000\u3000Response.Write " … (" & temp1 & " \u79d2\u5269\u4f59)<\/font><\/b>"
\n\u3000\u3000Response.Write "<br><br>"
\n\u3000\u3000Else
\n\u3000\u3000’retVal \u662f\u7a7a\u7684\u8bdd,\u5c31\u8d4b\u4e88DisplayRecords\u7684\u503c\u7ed9\u53d8\u91cftemp2
\n\u3000\u3000Dim temp2
\n\u3000\u3000temp2 = DisplayRecords()
\n\u3000\u3000’\u4fdd\u5b58\u5230Application.——————>\u91cd\u70b9
\n\u3000\u3000Application.Lock
\n\u3000\u3000Application("cache_demo") = temp2
\n\u3000\u3000Application("cache_demo_date") = DateAdd("s",Secs,Now)
\n\u3000\u3000Application.UnLock
\n\u3000\u3000DisplayCachedRecords = temp2
\n\u3000\u3000’ \u8fd9\u91cc\u968f\u4fbf\u5199\u4e0a\u4e86\u8bb0\u5f55\u7684\u7f13\u5b58\u7684\u8fc7\u53bb\u65f6\u95f4,\u76f8\u5bf9\u603b\u79d2\u6570\u5012\u5dee :
\n\u3000\u3000Response.Write "<b><font color=""red"">\u5237\u65b0\u7f13\u5b58\u663e\u793a …"
\n\u3000\u3000Response.Write "<\/font><\/b><br><br>"
\n\u3000\u3000End If
\n\u3000\u3000End Function
\n\u3000\u3000%><\/p>\n

\n\u3000\u3000\u8bf4\u660e\u5b8c\u6bd5.<\/p>\n

\u3000\u3000\u8c03\u7528\u65b9\u6cd5:<%=DisplayCachedRecords(20)%><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f7f\u7528application\u63d0\u9ad8ASP\u6570\u636e\u663e\u793a\u6548\u7387 \u5f53\u6570\u636e\u4e0a\u5230\u597d\u51e0\u4e07\u591a\u6761\u65f6,\u8981\u8c03\u7528\u51e0\u6761\u6570\u636e\u5728\u9875\u9762\u663e\u793a,ASP\u5c31\u4f1a\u6162\u5982\u8717\u725b.\u6700\u7cdf\u7cd5\u7684\u662f,\u5f53n\u591a\u7528\u6237\u6253\u5f00\u9875\u9762\u8bbf\u95ee\u7684\u65f6\u5019,\u6bcf\u4e2a\u7528\u6237\u6bcf\u6b21\u90fd\u8981\u8bfb\u53d6\u6570\u636e\u5e93\u4e00\u6b21,\u8fd9\u65e0\u7591\u964d\u4f4e\u4e86\u6548\u7387,\u5f88\u660e\u663e, \u5982\u679c\u80fd\u628a\u6570\u636e\u80fd\u4fdd\u5b58…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-276","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/comments?post=276"}],"version-history":[{"count":1,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/276\/revisions"}],"predecessor-version":[{"id":66148,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/276\/revisions\/66148"}],"wp:attachment":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/media?parent=276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/categories?post=276"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/tags?post=276"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/topic?post=276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}