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📁 JspServlet教程专栏对javaservlet讲述的非常详细

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<p align="center"><big><strong>jsp计数器-jsp文件</strong></big></p>
<div align="right">---摘自互联网</div>

<br>&lt;HTML><br>
&lt;HEAD><br>
&lt;TITLE>JSP&nbsp; Bean&nbsp; Example&lt;/TITLE><br>
&lt;/HEAD><br>
<br>
&lt;BODY><br>
<br>
&lt;!--&nbsp; Set&nbsp; the&nbsp; scripting&nbsp; language&nbsp; to&nbsp; java&nbsp; --><br>
&lt;%@&nbsp; page&nbsp; language="java"&nbsp; %><br>
<br>
&lt;!--&nbsp; Instantiate&nbsp; the&nbsp; Counter&nbsp; bean&nbsp; with&nbsp; an&nbsp; id&nbsp; of&nbsp; "counter"&nbsp; --><br>
&lt;jsp:useBean&nbsp; id="counter"&nbsp; scope="session"&nbsp; class="Counter"&nbsp; /><br>
<br>
&lt;!--&nbsp; Set&nbsp; the&nbsp; bean's&nbsp; count&nbsp; property&nbsp; to&nbsp; the&nbsp; value&nbsp; of&nbsp; --><br>
&lt;!--&nbsp; the&nbsp; request&nbsp; parameter&nbsp; "count",&nbsp; using&nbsp; the&nbsp; --><br>
&lt;!--&nbsp; jsp:setProperty&nbsp; action.&nbsp; --><br>
&lt;jsp:setProperty&nbsp; name="counter"&nbsp; property="count"&nbsp; param="count"&nbsp; /><br>
<br>
&lt;%<br>
<br>
//&nbsp; write&nbsp; the&nbsp; current&nbsp; value&nbsp; of&nbsp; the&nbsp; property&nbsp; count<br>
out.println("Count&nbsp; from&nbsp; scriptlet&nbsp; code&nbsp; :&nbsp; "<br>
+&nbsp; counter.getCount()&nbsp; +&nbsp; "&lt;BR>");<br>
<br>
%><br>
<br>
&lt;!--&nbsp; Get&nbsp; the&nbsp; bean's&nbsp; count&nbsp; property,&nbsp; --><br>
&lt;!--&nbsp; using&nbsp; the&nbsp; jsp:getProperty&nbsp; action.&nbsp; --><br>
Count&nbsp; from&nbsp; jsp:getProperty&nbsp; :<br>
&lt;jsp:getProperty&nbsp; name="counter"&nbsp; property="count"&nbsp; />&lt;BR><br>
<br>
&lt;/BODY><br>
&lt;/HTML>

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