5.htm

IIS5.0超级管理手册-网页开发篇 书籍语言： 简体中文 书籍类型： 网页设计 授权方式： 免费软件 书籍大小： 262 KB

  &lt;OBJECT&gt; 标记所建立的物件。您可以使用这个集合来决定物件的某个特殊属性值，或者透过回圈，得到所有静态物件的全部属性。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">语法<br style="line-height: 25px">
　</b></font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">Application.StaticObjects (Key)</pre>
    </font>
  </div>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">参数<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">Key</font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  指定检索的项目名称。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">注解<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  您可以用一个控制结构透过<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;StaticObjects&nbsp;</b></font>集合的索引值来执行回圈。如下例所示：</font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">&lt;%
   Dim strKey
   
   
   For Each strKey In Application.StaticObjects 
     Response.Write strKey &amp; &quot;= &lt;i&gt;(object)&lt;/i&gt;&lt;BR&gt;&quot;
   Next 
%&gt;</pre>
    </font>
  </div>
  <p><font face="arial" color="#3e72d7" size="4" style="line-height: 25px">
  <b style="line-height: 25px">Application方法<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Application&nbsp;</b></font>物件使用了下面的方法：</font></p>
  <font face="arial" color="#000000" size="2" style="line-height: 25px">
  <ul style="line-height: 25px">
    <li style="line-height: 25px">
    <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
    <b style="line-height: 25px">&nbsp;Contents.Remove&nbsp;</b></font><br style="line-height: 25px">
　</li>
    <li style="line-height: 25px">
    <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
    <b style="line-height: 25px">&nbsp;Contents.RemoveAll&nbsp;</b></font><br style="line-height: 25px">
　</li>
    <li style="line-height: 25px">
    <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
    <b style="line-height: 25px">&nbsp;lock&nbsp;</b></font><br style="line-height: 25px">
　</li>
    <li style="line-height: 25px">
    <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
    <b style="line-height: 25px">&nbsp;Unlock&nbsp;</b></font><br style="line-height: 25px">
　</li>
  </ul>
  </font>
  <p><font face="arial" color="#3e74d7" size="3" style="line-height: 25px">
  <b style="line-height: 25px">Contents.Remove<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Application.Contents.Remove&nbsp;</b></font>方法能从集合中删除一个项目。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">语法<br style="line-height: 25px">
　</b></font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">Application.Contents.Remove (name/index)</pre>
    </font>
  </div>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">参数<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;name&nbsp;</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  项目删除的标记。</font></p>
  <p><font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;index&nbsp;</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  补充说明删除清单中某个项目的索引。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">注解<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Contents.Remove&nbsp;</b></font>方法把一个字串或一个整数作为输入参数。如果输入参数是一个字串，那麽此方法就会搜寻内容（contents）集合来寻找名为这个字串的项目并删除它。如果输入参数是一个整数，那麽此方法就从集合的起始处计算项目的数字并删除相应的项目。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">范例<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  下面的范例在<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;Application.Contents&nbsp;</b></font>集合中增加两个项目，然後删除第二个：</font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">&lt;%
   Application (&quot;strFirst&quot;) = (&quot;First thing&quot;)
   Application (&quot;strSecond&quot;) = (&quot;Second thing&quot;)
   Application.Contents.Remove (strFirst)
%&gt;</pre>
    </font>
  </div>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">请参阅<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Contents、RemoveAll&nbsp;</b></font>。</font></p>
  <p><font face="arial" color="#3e74d7" size="3" style="line-height: 25px">
  <b style="line-height: 25px">Contents.RemoveAll<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Application.Contents.Remove&nbsp;</b></font>方法可删除所有已加到<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;Application.Contents&nbsp;</b></font>集合中的项目。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">语法<br style="line-height: 25px">
　</b></font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">Application.Contents.RemoveAll  ()</pre>
    </font>
  </div>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">请参阅<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Contents.Remove&nbsp;</b></font>。</font></p>
  <p><font face="arial" color="#3e74d7" size="3" style="line-height: 25px">
  <b style="line-height: 25px">Lock<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;lock&nbsp;</b></font>方法能阻止其它的用户端改变储存在<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;Application&nbsp;</b></font>物件中的变数，确保在某个时间只有一个用户端可以改变或存取<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;Application&nbsp;</b></font>变数。如果没有明确地使用<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;Unlock&nbsp;</b></font>方法，那麽伺服器会在 
  .asp档案结束或逾时的状况下解开锁定的Application物件。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">语法<br style="line-height: 25px">
　</b></font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">Application.Lock</pre>
    </font>
  </div>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">范例<br style="line-height: 25px">
　</b></font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">&lt;%
   Application.Lock
   Application (&quot;NumVisits&quot;) = Application (&quot;NumVisits&quot;) + 1 
   Application (&quot;datLastVisited&quot;) = Now ()
   Application.Unlock
%&gt;

 This application page has been visited 
&lt;%=  Application (&quot;NumVisits&quot;) % &gt;  times!</pre>
    </font>
  </div>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  在上面的范例中，<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;lock&nbsp;</b></font>方法只允许一个用户端在某个时间存取变数NumVisits。如果Application物件中的变数没有被锁定，那麽两个用户端可能会同时增加NumVisits变数的值。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">应用<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Application&nbsp;</b></font>物件</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">请参阅<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">
  <font face="arial" color="#3e80d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">&nbsp;Unlock&nbsp;</b></font>。</font></p>
  <p><font face="arial" color="#3e74d7" size="3" style="line-height: 25px">
  <b style="line-height: 25px">Unlock<br style="line-height: 25px">
　</b></font></p>
  <p><font face="arial" color="#000000" size="2" style="line-height: 25px">在<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;Application&nbsp;</b></font>物件中的变数用<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;lock&nbsp;</b></font>方法锁定之後，<font face="arial" color="#3e80d7" size="2" style="line-height: 25px"><b style="line-height: 25px">&nbsp;Unlock&nbsp;</b></font>方法可让其它用户端改变储存在Application物件中的变数。如果没有明确地使用这个方法，那麽网页伺服器会在 
  .asp档案结束或逾时时解开锁定的Application物件。</font></p>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">语法<br style="line-height: 25px">
　</b></font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">Application.Unlock</pre>
    </font>
  </div>
  <p><font face="arial" color="#3e76d7" size="2" style="line-height: 25px">
  <b style="line-height: 25px">范例<br style="line-height: 25px">
　</b></font></p>
  <div style="line-height: 25px; background-color: #d7d7d7">
    <font face="Arial" size="3" style="line-height: 25px">
    <pre style="line-height: 25px">&lt;%
   Application.Lock
   Application (&quot;NumVisits&quot;) = Application (&quot;NumVisits&quot;) + 1
   Application (&quot;datLastVisited&quot;) = Now ()