{"id":33,"date":"2008-04-16T11:03:13","date_gmt":"2008-04-16T11:03:13","guid":{"rendered":"http:\/\/tw.newtonstudio.com\/?p=33"},"modified":"2008-05-01T10:12:36","modified_gmt":"2008-05-01T10:12:36","slug":"aspnetvb-%e4%b8%89%e7%a8%aecache%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/tw.newtonstudio.com\/?p=33","title":{"rendered":"ASP.NET(VB) Cache, Log.txt \u7684\u5beb\u6cd5"},"content":{"rendered":"

\u70ba\u4e86\u8b93\u8cc7\u6599\u5b58\u53d6\u7684\u901f\u5ea6\u52a0\u5feb, \u6211\u5011\u53ef\u4ee5\u8a2d\u5b9aCACHE\u628a\u8cc7\u6599\u7ad9\u5b58\u5728\u4f3a\u670d\u5668\u7684\u8a18\u61b6\u9ad4.\\
\n\u5982\u4e0b:<\/p>\n

<%@ Page Language=”VB” %><\/p>\n

<!DOCTYPE html PUBLIC “-\/\/W3C\/\/DTD XHTML 1.0 Transitional\/\/EN” “http:\/\/www.w3.org\/TR\/xhtml1\/DTD\/xhtml1-transitional.dtd<\/a>“><\/p>\n

<script runat=”server”><\/p>\n

\u00a0\u00a0\u00a0 Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Label1.Text = Now
\n\u00a0\u00a0\u00a0 End Sub<\/p>\n

\u00a0\u00a0\u00a0 Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 If Not IsNothing(Cache(“data”)) Then
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Label2.Text = Cache(“data”).ToString()
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Else
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Label2.Text = “\u4e0d\u5b58\u5728…”
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 End If
\n\u00a0\u00a0\u00a0 End Sub<\/p>\n

\u00a0\u00a0\u00a0 Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Cache.Insert(“data”, TextBox1.Text & ” – ” & Now, Nothing, Now.AddSeconds(10), System.Web.Caching.Cache.NoSlidingExpiration)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 End Sub<\/p>\n

\u00a0\u00a0\u00a0 Protected Sub Button3_Click(ByVal sender As Object, ByVal e As System.EventArgs)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Cache.Insert(“data”, TextBox1.Text & ” – ” & Now, Nothing, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromSeconds(10))
\n\u00a0\u00a0\u00a0 End Sub<\/p>\n

\u00a0\u00a0\u00a0 Protected Sub Button4_Click(ByVal sender As Object, ByVal e As System.EventArgs)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Cache.Insert(“data”, TextBox1.Text & ” – ” & Now, New CacheDependency(Server.MapPath(“~\/Mod05\/Books.xml”)))
\n\u00a0\u00a0\u00a0 End Sub<\/p>\n

\u00a0\u00a0\u00a0 Protected Sub Button5_Click(ByVal sender As Object, ByVal e As System.EventArgs)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Cache.Insert(“data”, TextBox1.Text & ” – ” & Now, Nothing, Now.AddSeconds(10), System.Web.Caching.Cache.NoSlidingExpiration, CacheItemPriority.Default, New CacheItemRemovedCallback(AddressOf RemovedCallback))
\n\u00a0\u00a0\u00a0 End Sub
\n\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 ‘\u7576cache \u88ab\u79fb\u9664\u7684\u6642\u5019, \u5beb\u4e00\u500bTXT\u6a94\u5728C:\\
\n\u00a0\u00a0\u00a0 Public Sub RemovedCallback(ByVal k As String, ByVal v As Object, ByVal r As CacheItemRemovedReason)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Dim sw As New IO.StreamWriter(“c:\\2544\\log.txt”, True)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 sw.WriteLine(“\u5feb\u53d6\u7269\u4ef6 ” & k & ” \u5df2\u7d93\u79fb\u9664, \u539f\u56e0\u662f : ” & r.ToString)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 sw.Close()
\n\u00a0\u00a0\u00a0 End Sub<\/p>\n

<\/script><\/p>\n

<html xmlns=”http:\/\/www.w3.org\/1999\/xhtml<\/a>” >
\n<head runat=”server”>
\n\u00a0\u00a0\u00a0 <title>Untitled Page<\/title>
\n<\/head>
\n<body>
\n\u00a0\u00a0\u00a0 <form id=”form1″ runat=”server”>
\n\u00a0\u00a0\u00a0 <div>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Now =
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:Label ID=”Label1″ runat=”server” Text=”Label”><\/asp:Label><br \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <br \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Data :
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:TextBox ID=”TextBox1″ runat=”server”><\/asp:TextBox>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:Button ID=”Button1″ runat=”server” Text=”\u7d55\u5c0d\u904e\u671f” OnClick=”Button1_Click” \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:Button ID=”Button3″ runat=”server” OnClick=”Button3_Click” Text=”\u76f8\u5c0d\u904e\u671f” \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:Button ID=”Button4″ runat=”server” OnClick=”Button4_Click” Text=”\u76f8\u4f9d\u6a94\u6848” \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:Button ID=”Button5″ runat=”server” OnClick=”Button5_Click” Text=”\u5feb\u53d6\u91cb\u653e\u56de\u547c” \/><br \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <br \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <br \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <br \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <br \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:Button ID=”Button2″ runat=”server” OnClick=”Button2_Click” Text=”\u53d6\u5f97\u5feb\u53d6\u8cc7\u6599” \/>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <asp:Label ID=”Label2″ runat=”server” Text=”Label”><\/asp:Label><\/div>
\n\u00a0\u00a0\u00a0 <\/form>
\n<\/body>
\n<\/html><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

\u70ba\u4e86\u8b93\u8cc7\u6599\u5b58\u53d6\u7684\u901f\u5ea6\u52a0\u5feb, \u6211\u5011\u53ef\u4ee5\u8a2d\u5b9aCACHE\u628a\u8cc7\u6599\u7ad9\u5b58\u5728\u4f3a\u670d\u5668\u7684\u8a18\u61b6\u9ad4.\\ \u5982\u4e0b: <%@ Pag […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-33","post","type-post","status-publish","format-standard","hentry","category-net-framework-aspx"],"_links":{"self":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/posts\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=33"}],"version-history":[{"count":0,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/posts\/33\/revisions"}],"wp:attachment":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}