</table>
<p class="MsoNormal"><span style="font-size:13.5pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">編譯器指引</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">的編譯器指引是針對</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">引擎。它們并不會直接產(chǎn)生任何看得見的輸出；相反的，它們是在告訴引擎如何處理其它的</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">網(wǎng)頁。它們永遠包含在</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt"> 
&lt;%@ ?%&gt;</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">卷標(biāo)里。兩個主要的指引是</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt"> 
page</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">與</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">include</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">。我們不會討論</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">taglib</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">編譯器指引但它可以在</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP1.1</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">里用來建立自訂卷標(biāo)。</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;
font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">你幾乎可以在你所有的</span><span lang="EN-US" style="font-size:10.0pt;
mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">網(wǎng)頁最上面找到</span><span lang="EN-US" style="font-size:10.0pt;
mso-bidi-font-size:12.0pt">page</span><span style="font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">編譯器指引。雖然這不是必須的，但它可以讓你指定到哪里可以找到支持的</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">Java</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">類別這類的事：</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&lt;%@ 
page import=&quot;java.util.Date&quot; %&gt;</span><span style="font-size:10.0pt;
mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">，</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&nbsp;</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;
font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">當(dāng)發(fā)生</span><span lang="EN-US" style="font-size:10.0pt;
mso-bidi-font-size:12.0pt">Java</span><span style="font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">問題的事件時應(yīng)該將訊息傳送到哪里：</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&lt;%@ 
page errorPage=&quot;errorPage.jsp&quot; %&gt;</span><span style="font-size:
10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">，</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&nbsp;</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;
font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">以及你是</span><span lang="EN-US" style="font-size:10.0pt;
mso-bidi-font-size:12.0pt">?</span><span style="font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">需要為使用者管理通話期的信息，可能存取多個網(wǎng)頁</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">(</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">稍后在</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JavaBeans</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">里會有更多通話期的討論</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">):</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&lt;%@ 
page session=&quot;true&quot; %&gt;</span><span style="font-size:10.0pt;
mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">。</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&nbsp;</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:
12.0pt">&nbsp;include</span><span style="font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">編譯器指引讓你將你的內(nèi)容分成幾個可管理的組件，就像那些有表頭或腳注的網(wǎng)頁。所包含的網(wǎng)頁可以是固定格式的</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">HTML</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">網(wǎng)頁或者是</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">內(nèi)容的網(wǎng)頁</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">:</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&lt;%@ 
include file=&quot;filename.jsp&quot; %&gt;</span><span style="font-size:10.0pt;
mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">。</span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">宣告</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">宣告讓你定義網(wǎng)頁層的變量，來儲存信息或定義支持的函式，讓</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">網(wǎng)頁的其余部分能夠使用。如果你發(fā)現(xiàn)自己有太多的程序代碼，你最好將它們放在不同的</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">Java</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">類別里。你可以在</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt"> 
&lt;%! ?%&gt;</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">卷標(biāo)里找到宣告。記住要在變量宣告的后面加上分號，就跟任何有效的</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">Java</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">敘述的形式一樣</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">: 
&lt;%! int i=0; %&gt;</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:
宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">。</span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">表達式</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">里有表達式，評估表達式的結(jié)果可以轉(zhuǎn)換成字符串并且直接使用在輸出網(wǎng)頁上。</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">運算是屬于</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt"> 
&lt;%= ?%&gt; </span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">卷標(biāo)里，并不包含分號，加引號字符串的無用部分。</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:
12.0pt">&lt;%= i %&gt;</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&lt;%= 
&quot;Hello&quot; %&gt; </span><span style="font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">。</span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">程序代碼片段</span><span lang="EN-US" style="font-size:13.5pt">/</span><span style="font-size:13.5pt;
font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">小型指令文件</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">JSP</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">程序代碼片段或小型指令文件是包含在</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&lt;% 
?%&gt; </span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">卷標(biāo)里。當(dāng)網(wǎng)絡(luò)服務(wù)器接受這段請求時，這段</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">Java</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">程序代碼會執(zhí)行。小型指令文件可以是原始的</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">HTML</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">或</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">XML</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">，其內(nèi)部的程序代碼片段可以讓你建立有條件的執(zhí)行程序代碼，或者只是一些使用另一塊程序代碼的東西。舉例來說，下列的程序代碼結(jié)合了表達式與小型指令文件，在</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">H1</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">，</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">H2</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">，</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">H3</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">，以及</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">H4</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">卷標(biāo)里顯示字符串</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&quot;Hello&quot;</span><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:宋體;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">。小型指令文件不限于一行的原始程序代碼</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt"> 
:</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:
12.0pt">&lt;% for (int i=1; i&lt;=4; i++) { %&gt;</span><span lang="EN-US"><br>
</span><span lang="EN-US" style="font-size:10.0pt;mso-bidi-font-size:12.0pt">&lt;H&lt;%=i%&gt;&gt;Hello&lt;/H&lt;%=i%&gt;&gt;</span><span lang="EN-US"><br>