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		<title>Struts2 設置筆記 (Hello World 級^^)</title>
		<link>https://noter.tw/2905/struts2-%e8%a8%ad%e7%bd%ae%e7%ad%86%e8%a8%98-hello-world-%e7%b4%9a/</link>
					<comments>https://noter.tw/2905/struts2-%e8%a8%ad%e7%bd%ae%e7%ad%86%e8%a8%98-hello-world-%e7%b4%9a/#comments</comments>
		
		<dc:creator><![CDATA[黃小蛙]]></dc:creator>
		<pubDate>Mon, 03 Jun 2013 15:22:56 +0000</pubDate>
				<category><![CDATA[網頁後端]]></category>
		<category><![CDATA[Web Server]]></category>
		<category><![CDATA[Java]]></category>
		<category><![CDATA[tomcat]]></category>
		<category><![CDATA[struts.xml]]></category>
		<category><![CDATA[Struts2]]></category>
		<category><![CDATA[web.xml]]></category>
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					<description><![CDATA[<p>這篇文章是以前過去蛙齋中的文章(現在看到以前的文章覺得小蛙以前怎麼那麼勤勞，每個動作都附一張圖 &#8230;)，最近有一個新的案子使用了 Struts2 開發，對 Struts2 有比較深的了解，先&#46;&#46;&#46;</p>
<p>這篇文章 <a rel="nofollow" href="https://noter.tw/2905/struts2-%e8%a8%ad%e7%bd%ae%e7%ad%86%e8%a8%98-hello-world-%e7%b4%9a/" data-wpel-link="internal">Struts2 設置筆記 (Hello World 級^^)</a> 最早出現於 <a rel="nofollow" href="https://noter.tw" data-wpel-link="internal">記下來</a>。</p>
]]></description>
										<content:encoded><![CDATA[<p>這篇文章是以前過去蛙齋中的文章(現在看到以前的文章覺得小蛙以前怎麼那麼勤勞，每個動作都附一張圖 &#8230;)，最近有一個新的案子使用了 Struts2 開發，對 Struts2 有比較深的了解，先把這篇以前的文章記錄下來，之後再慢慢補上 Struts2 相關文章。<br />
<span id="more-2905"></span><br />
對 JSP 一天比一天熟悉，不過還沒擺脫「JSP菜鳥」的封號 &#8230;&nbsp;<img decoding="async" src="//pics.blog.yam.com/images/smiley/msn/taface10.gif" alt="taface10 Struts2 設置筆記 (Hello World 級^^)" title="Struts2 設置筆記 (Hello World 級^^)"> 這一陣子接觸 Struts2 的心得，在這邊記錄下來，免得到時候要重裝卻裝不起來 &gt;&lt; 附帶一提，原來 &#8230; MyEclipse 這麼好用，網路上的一些高手說的一點都沒錯，越便利的 IDE 會讓老手開發起來更快，卻會讓新手變得更白癡。<br />
使用環境：<br />
Tomcat 5.5<br />
MyEclipse 5.5.1 GA<br />
Struts 2.0.11<br />
步驟如下：<br />
1. 下載 Struts2 (<a href="http://struts.apache.org/2.x/index.html" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external" class="wpel-icon-right">http://struts.apache.org/2.x/index.html<span class="wpel-icon wpel-image wpel-icon-6"></span></a>)<br />
<a title="000001.png" href="http://lh3.ggpht.com/-GRCzurxDUqg/UaxvSp3c5EI/AAAAAAAAHtA/T46cjzOTFig/s0/000001.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000001.png" src="//lh3.ggpht.com/-GRCzurxDUqg/UaxvSp3c5EI/AAAAAAAAHtA/T46cjzOTFig/w500-o/000001.png" alt="000001.png"></a><br />
2.&nbsp;選這個<br />
<a title="000002.png" href="http://lh3.ggpht.com/-4zesJsml9xA/UaxvSiIgAZI/AAAAAAAAHtE/W4vCvxvJsp0/s0/000002.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000002.png" src="//lh3.ggpht.com/-4zesJsml9xA/UaxvSiIgAZI/AAAAAAAAHtE/W4vCvxvJsp0/w500-o/000002.png" alt="000002.png"></a><br />
3.&nbsp;開啟 MyEclipse<br />
<a title="000003.png" href="http://lh4.ggpht.com/-pGkWJn77Ztg/UaxvSt1VhFI/AAAAAAAAHs8/4MbmG8krpdU/s0/000003.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000003.png" src="//lh4.ggpht.com/-pGkWJn77Ztg/UaxvSt1VhFI/AAAAAAAAHs8/4MbmG8krpdU/w500-o/000003.png" alt="000003.png"></a><br />
4.&nbsp;選擇工作區域<br />
<a title="000004.png" href="http://lh5.ggpht.com/-a4bID0pWmss/UaxvTRJfGII/AAAAAAAAHtY/aJ4zp4vYuJQ/s0/000004.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000004.png" src="//lh5.ggpht.com/-a4bID0pWmss/UaxvTRJfGII/AAAAAAAAHtY/aJ4zp4vYuJQ/w500-o/000004.png" alt="000004.png"></a><br />
5.&nbsp;MyEclipse 視窗<br />
<a title="000005.png" href="http://lh6.ggpht.com/-C1umEcO7Aco/UaxvTJWNPuI/AAAAAAAAHtU/2WAEQdIJwhY/s0/000005.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000005.png" src="//lh6.ggpht.com/-C1umEcO7Aco/UaxvTJWNPuI/AAAAAAAAHtU/2WAEQdIJwhY/w500-o/000005.png" alt="000005.png"></a><br />
<a title="000006.png" href="http://lh3.ggpht.com/-2wt4CCCthAc/UaxvTeY9-EI/AAAAAAAAHtc/DpMRnhp4oy0/s0/000006.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000006.png" src="//lh3.ggpht.com/-2wt4CCCthAc/UaxvTeY9-EI/AAAAAAAAHtc/DpMRnhp4oy0/w500-o/000006.png" alt="000006.png"></a><br />
6.&nbsp;新增專案<br />
<a title="000007.png" href="http://lh4.ggpht.com/-CKLsMnB8D88/UaxvTvDhEVI/AAAAAAAAHto/bCX8pI8hUmU/s0/000007.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000007.png" src="//lh4.ggpht.com/-CKLsMnB8D88/UaxvTvDhEVI/AAAAAAAAHto/bCX8pI8hUmU/w500-o/000007.png" alt="000007.png"></a><br />
<a title="000008.png" href="http://lh5.ggpht.com/-GjP93G0lkHs/UaxvT_wpjFI/AAAAAAAAHtw/Y_uLXxnLRas/s0/000008.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000008.png" src="//lh5.ggpht.com/-GjP93G0lkHs/UaxvT_wpjFI/AAAAAAAAHtw/Y_uLXxnLRas/w500-o/000008.png" alt="000008.png"></a><br />
7.&nbsp;輸入專案名稱(可以隨便打)，其他的直接用預設值不修改<br />
<a title="000009.png" href="http://lh6.ggpht.com/-ewbh0OW1Mkw/UaxvUEGhNYI/AAAAAAAAHt0/JNmQztr3ZGo/s0/000009.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000009.png" src="//lh6.ggpht.com/-ewbh0OW1Mkw/UaxvUEGhNYI/AAAAAAAAHt0/JNmQztr3ZGo/w500-o/000009.png" alt="000009.png"></a><br />
8.&nbsp;按下 finish 後，看到下圖，左邊有多出一個剛剛新建立的專案<br />
<a title="000010.png" href="http://lh4.ggpht.com/-LibugxKKq50/UaxvUWrKU3I/AAAAAAAAHt8/_CFVxhSzpGM/s0/000010.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000010.png" src="//lh4.ggpht.com/-LibugxKKq50/UaxvUWrKU3I/AAAAAAAAHt8/_CFVxhSzpGM/w500-o/000010.png" alt="000010.png"></a><br />
9.&nbsp;網頁直接放在 WebRoot 下面，且包含 META-INF 和 WEB-INF 資料夾<br />
<a title="000011.png" href="http://lh4.ggpht.com/-tyPmRzxNxwA/UaxvUYeSfAI/AAAAAAAAHuE/EsJzEDQqil8/s0/000011.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000011.png" src="//lh4.ggpht.com/-tyPmRzxNxwA/UaxvUYeSfAI/AAAAAAAAHuE/EsJzEDQqil8/w500-o/000011.png" alt="000011.png"></a><br />
10.&nbsp;編輯&nbsp;Tomcat 安裝資料夾<strong>&nbsp;<span style="color: #ff0000;">/conf/server.xml</span>&nbsp;</strong>檔案<br />
<a title="000012.png" href="http://lh3.ggpht.com/-P8CpJTqL5IM/UaxvUux4LyI/AAAAAAAAHuQ/Ny9ebAlUyVk/s0/000012.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000012.png" src="//lh3.ggpht.com/-P8CpJTqL5IM/UaxvUux4LyI/AAAAAAAAHuQ/Ny9ebAlUyVk/w500-o/000012.png" alt="000012.png"></a><br />
11.&nbsp;找到文件最後輸入<span style="color: #ff0000;">&nbsp;<strong>&lt;Context path=&#8221;struts&#8221; docBase=&#8221;C:\Web\blog\WebRoot&#8221; reloadable=&#8221;true&#8221; /&gt;</strong></span>，docBase 看剛剛 MyEclipse 建立專案的時候放在哪，就設置其下的 WebRoot 。注意，下面一定要看到&nbsp;<strong><span style="color: #ff00ff;">&lt;/Host&gt; &lt;/Engine&gt; &lt;/Service&gt; &lt;/Server&gt;</span>&nbsp;</strong>千萬別弄錯。<br />
<a title="000013.png" href="http://lh6.ggpht.com/-tQ28HygrvZQ/UaxvUlPvc5I/AAAAAAAAHuM/R66YzQIQaJs/s0/000013.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000013.png" src="//lh6.ggpht.com/-tQ28HygrvZQ/UaxvUlPvc5I/AAAAAAAAHuM/R66YzQIQaJs/w500-o/000013.png" alt="000013.png"></a><br />
12.&nbsp;在 Tomcat 安裝目錄下 / bin /&nbsp;的<span style="color: #ff0000;">&nbsp;</span><strong><span style="color: #ff0000;">tomcat5.exe</span>&nbsp;</strong>(tomcat5w.exe也可以，看自己習慣)，小蛙把 tomcat5.exe 建立捷徑，拉到開始旁邊的快捷列，重啟 SERVER 快很多 ^^<br />
<a title="000014.png" href="http://lh4.ggpht.com/-jdfty2-2Ykc/UaxvU8x49sI/AAAAAAAAHuU/SxfiSsPHFu8/s0/000014.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000014.png" src="//lh4.ggpht.com/-jdfty2-2Ykc/UaxvU8x49sI/AAAAAAAAHuU/SxfiSsPHFu8/w500-o/000014.png" alt="000014.png"></a><br />
13.&nbsp;啟動 Tomcat，tomcat5.exe會看到下面第一張圖，tomcat5w.exe可以看到第二張圖。<br />
<a title="000015.png" href="http://lh3.ggpht.com/--2GbJmonAnQ/UaxvVetBSUI/AAAAAAAAHuk/b0oHOgVBjMo/s0/000015.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000015.png" src="//lh3.ggpht.com/--2GbJmonAnQ/UaxvVetBSUI/AAAAAAAAHuk/b0oHOgVBjMo/w500-o/000015.png" alt="000015.png"></a><br />
如果要讓 Tomcat 開機自動啟動，選擇 Automatic，這樣每次開機就會自行啟動了，不過小蛙覺得用上一張圖的做法會比較快速且方便。<br />
<a title="000016.png" href="http://lh4.ggpht.com/-sTbtKpjOMEg/UaxvVab67_I/AAAAAAAAHug/k1MaT5ANUeQ/s0/000016.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000016.png" src="//lh4.ggpht.com/-sTbtKpjOMEg/UaxvVab67_I/AAAAAAAAHug/k1MaT5ANUeQ/w500-o/000016.png" alt="000016.png"></a><br />
14.&nbsp;啟動之後，開啟瀏覽器，在網址列輸入&nbsp;<a href="http://localhost/struts/" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external" class="wpel-icon-right"><strong>http://localhost/struts</strong>/<span class="wpel-icon wpel-image wpel-icon-6"></span></a>&nbsp;(Tomcat 預設 port 為 8080，所以如果沒改過設定的話，這邊要輸入&nbsp;<a href="http://localhost:8080/struts/" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external" class="wpel-icon-right"><strong>http://localhost:8080/struts/</strong><span class="wpel-icon wpel-image wpel-icon-6"></span></a>&nbsp;)可以看到 「This is my JSP page.」，這是剛剛新增專案的時候，MyEclipse 幫我們建立的 index.jsp 檔案。如果顯示「Internet Explorer 無法顯示網頁」，可能是 Tomcat 沒有啟動成功；如果顯示下圖，可能是路徑OR檔名打錯。<br />
<a title="000017.png" href="http://lh4.ggpht.com/-SWmlcMm4DhA/UaxvW1NAFgI/AAAAAAAAHvQ/vpKlFawnPY0/s0/000017.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000017.png" src="//lh4.ggpht.com/-SWmlcMm4DhA/UaxvW1NAFgI/AAAAAAAAHvQ/vpKlFawnPY0/w500-o/000017.png" alt="000017.png"></a><br />
15.&nbsp;練習一個登入的範例，新增表單，文字、密碼欄位跟按鈕，如下：</p>
<pre class="brush: html; gutter: true">&lt;form name="form1" action="" method="post"&gt;
帳號 ：&lt;input type="text" name="name"&gt;&lt;br&gt;
密碼：&lt;input type="password" name="pass"&gt;&lt;br&gt;
&lt;input type="submit" value="送出"&gt;
&lt;/form&gt;</pre>
<p>HTML 的細節就不再贅述了，其中 action 部份小蛙留空白，等等再來填。在瀏覽器中可以看到<br />
<a title="000018.png" href="http://lh6.ggpht.com/-t_QRuQgizCM/UaxvWMmdw8I/AAAAAAAAHuw/HOI_K-dNpl0/s0/000018.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000018.png" src="//lh6.ggpht.com/-t_QRuQgizCM/UaxvWMmdw8I/AAAAAAAAHuw/HOI_K-dNpl0/w500-o/000018.png" alt="000018.png"></a>16.&nbsp;要使用 struts2 必須先設定&nbsp;<span style="color: #ff0000;"><strong>WEB-INF / web.xml</strong></span>，詳細設定請參閱&nbsp;<span style="color: #3366ff;"><strong><span style="color: #3366ff;"><a href="http://wazai.net/2902/" target="_blank" rel="noopener noreferrer nofollow external" data-wpel-link="external" class="wpel-icon-right">中文亂碼總整理 (Tomcat 5.5)<span class="wpel-icon wpel-image wpel-icon-6"></span></a></span></strong><span style="color: #000000;">。</span></span>如果懶得自已 key 可以直接到文章底下載來用，第一個 filter 是解決中文亂碼的問題，第二個 filter 是為了讓 struts2 能夠正常運作。<br />
<a title="000019.png" href="http://lh3.ggpht.com/-APpN_RhByys/UaxvWIUmN3I/AAAAAAAAHu4/s2o2bSOFBF8/s0/000019.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000019.png" src="//lh3.ggpht.com/-APpN_RhByys/UaxvWIUmN3I/AAAAAAAAHu4/s2o2bSOFBF8/w500-o/000019.png" alt="000019.png"></a><br />
17.&nbsp;將下載完的 struts2 解壓縮後，進入<span style="color: #ff0000;">&nbsp;</span><strong><span style="color: #ff0000;">struts-2.0.11 \ lib</span>&nbsp;</strong>下，找到&nbsp;<span style="color: #ff0000;"><strong>commons-logging-1.0.4.jar</strong></span>、<span style="color: #ff0000;"><strong>freemarker-2.3.8.jar</strong></span>、<span style="color: #ff0000;"><strong>ognl-2.6.11.jar</strong></span>、<span style="color: #ff0000;"><strong>struts2-core-2.0.12.jar</strong></span>、<span style="color: #ff0000;"><strong>xwork-2.0.6.jar</strong></span>，將這五個 jar 複製到網站目錄下的&nbsp;<strong><span style="color: #ff0000;">WEB-INF \ lib</span>&nbsp;</strong>裡，以剛剛的例子是&nbsp;<span style="color: #ff0000;"><strong>C:\Web\blog\WebRoot\WEB-INF\lib</strong></span>，(畫面上少一個~&#8221;~)<br />
<a title="000020.png" href="http://lh5.ggpht.com/-jjzrVovMYz0/UaxvWhdW3pI/AAAAAAAAHvM/tVG_3m64VZ4/s0/000020.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000020.png" src="//lh5.ggpht.com/-jjzrVovMYz0/UaxvWhdW3pI/AAAAAAAAHvM/tVG_3m64VZ4/w500-o/000020.png" alt="000020.png"></a><br />
18.&nbsp;在 MyEclipse 左邊的 struts 專案中，按滑鼠右鍵點選&nbsp;<span style="color: #ff0000;"><strong>Refresh(F5)</strong></span><br />
<a title="000021.png" href="http://lh3.ggpht.com/-E2EZkB-6ISk/UaxvW8DfVVI/AAAAAAAAHvU/MvZTa86d92M/s0/000021.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000021.png" src="//lh3.ggpht.com/-E2EZkB-6ISk/UaxvW8DfVVI/AAAAAAAAHvU/MvZTa86d92M/w500-o/000021.png" alt="000021.png"></a><br />
會變成下圖，可以看到剛剛載入的 jar 檔案，到這裡 struts2 的配置就差不多完成囉!! 接著，來試試看 struts2 是否能正常運作<br />
<a title="000022.png" href="http://lh4.ggpht.com/-dM9r1QbPyqQ/UaxvXUgqErI/AAAAAAAAHvk/x3bCvy0m3Jc/s0/000022.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000022.png" src="//lh4.ggpht.com/-dM9r1QbPyqQ/UaxvXUgqErI/AAAAAAAAHvk/x3bCvy0m3Jc/w500-o/000022.png" alt="000022.png"></a><br />
19.&nbsp;struts2 的控制全靠 .action (也就是 form 剛剛留空白要填的部份)，我們將這個登入的 action 叫做 Login.action，把剛剛 form 後面的&nbsp;<strong><span style="color: #ff0000;">action=&#8221;<strong>Login.action</strong>&#8220;</span>&nbsp;</strong>補上。<br />
<a title="000023.png" href="http://lh5.ggpht.com/-Ok5bAmhf0rI/UaxvXeTzadI/AAAAAAAAHvg/w0soqiuHwnI/s0/000023.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000023.png" src="//lh5.ggpht.com/-Ok5bAmhf0rI/UaxvXeTzadI/AAAAAAAAHvg/w0soqiuHwnI/w500-o/000023.png" alt="000023.png"></a><br />
20.&nbsp;在 struts 下的 src 資料夾上按滑鼠右鍵新增 package<br />
<a title="000024.png" href="http://lh3.ggpht.com/-ugeqyFWEwXk/UaxvXt8cyfI/AAAAAAAAHvo/1lkShw5DBPE/s0/000024.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000024.png" src="//lh3.ggpht.com/-ugeqyFWEwXk/UaxvXt8cyfI/AAAAAAAAHvo/1lkShw5DBPE/w500-o/000024.png" alt="000024.png"></a><br />
<a title="000025.png" href="http://lh6.ggpht.com/-8TvMEIARQ4U/UaxvXzgmbPI/AAAAAAAAHvw/CjOmJqoveIM/s0/000025.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000025.png" src="//lh6.ggpht.com/-8TvMEIARQ4U/UaxvXzgmbPI/AAAAAAAAHvw/CjOmJqoveIM/w500-o/000025.png" alt="000025.png"></a><br />
21.&nbsp;假設名字輸入&nbsp;<span style="color: #ff00ff;"><strong>com.local</strong></span><br />
<a title="000026.png" href="http://lh5.ggpht.com/-5BgHidC8htc/UaxvYAE0e0I/AAAAAAAAHv0/KO8Ar9jbmI8/s0/000026.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000026.png" src="//lh5.ggpht.com/-5BgHidC8htc/UaxvYAE0e0I/AAAAAAAAHv0/KO8Ar9jbmI8/w500-o/000026.png" alt="000026.png"></a><br />
22.&nbsp;在新增的 com.local 再新增一個 Class file<br />
<a title="000027.png" href="http://lh4.ggpht.com/-PIIXCGuPx9w/UaxvYbn-eII/AAAAAAAAHv8/2fUhPJIsB4c/s0/000027.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000027.png" src="//lh4.ggpht.com/-PIIXCGuPx9w/UaxvYbn-eII/AAAAAAAAHv8/2fUhPJIsB4c/w500-o/000027.png" alt="000027.png"></a><br />
23.&nbsp;Name 的地方輸入我們要建立 action 的名稱(也就是剛剛的 form 要送出的地方 Login)，接著按右邊的 Browser<br />
<a title="000028.png" href="http://lh5.ggpht.com/-SZSBCnBulw4/UaxvYohW4aI/AAAAAAAAHv4/q95eVqhKfSY/s0/000028.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000028.png" src="//lh5.ggpht.com/-SZSBCnBulw4/UaxvYohW4aI/AAAAAAAAHv4/q95eVqhKfSY/w500-o/000028.png" alt="000028.png"></a><br />
24.&nbsp;在空格裡輸入 actionsupport，是我們要繼承的套件<br />
<a title="000029.png" href="http://lh3.ggpht.com/-XyAJIKbgFaQ/UaxvZIgGkCI/AAAAAAAAHwE/axOFAMp0TGQ/s0/000029.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000029.png" src="//lh3.ggpht.com/-XyAJIKbgFaQ/UaxvZIgGkCI/AAAAAAAAHwE/axOFAMp0TGQ/w500-o/000029.png" alt="000029.png"></a><br />
25.&nbsp;MyEclipse 會自己產生部份程式碼<br />
<a title="000030.png" href="http://lh4.ggpht.com/-JZ3QrXlWAKY/UaxvZZzWHJI/AAAAAAAAHwI/GY_s4B-veW0/s0/000030.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000030.png" src="//lh4.ggpht.com/-JZ3QrXlWAKY/UaxvZZzWHJI/AAAAAAAAHwI/GY_s4B-veW0/w500-o/000030.png" alt="000030.png"></a><br />
26.&nbsp;輸入以下內容</p>
<pre class="brush: java; gutter: true">private String name;
private String pass;
public String execute() throws Exception{
    return SUCCESS;
}
//下面的部份，可以自己寫，也可以直接用 MyEclipse 產生 (所以讓初學者變笨 &gt;&lt; 我就是 ...)
public String getName(){
    return name;
}
public void setName(String name){
    this.name = name;
}
public String getPass(){
    return pass;
}
public void setPass(String pass){
    this.pass = pass;
}</pre>
<p>27.&nbsp;自動產生的方法：<span style="color: #ff0000;"><strong>Source -&gt; Generate Getters and Setters</strong></span><br />
<a title="000031.png" href="http://lh6.ggpht.com/-E5W9xG6UFOI/UaxvZRWMMdI/AAAAAAAAHwU/ComwCfVxibs/s0/000031.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000031.png" src="//lh6.ggpht.com/-E5W9xG6UFOI/UaxvZRWMMdI/AAAAAAAAHwU/ComwCfVxibs/w500-o/000031.png" alt="000031.png"></a><br />
28.&nbsp;可以看到剛剛建立的變數名稱，把它們都打勾，按下OK<br />
<a title="000032.png" href="http://lh5.ggpht.com/-p8K89liJwrg/UaxvZshuvoI/AAAAAAAAHwc/zNHJ3J2pJS4/s0/000032.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000032.png" src="//lh5.ggpht.com/-p8K89liJwrg/UaxvZshuvoI/AAAAAAAAHwc/zNHJ3J2pJS4/w500-o/000032.png" alt="000032.png"></a><br />
29.&nbsp;幾乎所有內容，MyEclipse 都幫忙產生了 @@<br />
<a title="000033.png" href="http://lh3.ggpht.com/-9Rhcqsc0H6U/UaxvZ0rznRI/AAAAAAAAHwg/VLy-DDItNh8/s0/000033.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000033.png" src="//lh3.ggpht.com/-9Rhcqsc0H6U/UaxvZ0rznRI/AAAAAAAAHwg/VLy-DDItNh8/w500-o/000033.png" alt="000033.png"></a><br />
30.&nbsp;再來編輯輸入完帳號密碼後，轉向的頁面(這邊用result.jsp當例子)，在 WebRoot 下按右鍵 -&gt; New -&gt; JSP<br />
<a title="000034.png" href="http://lh5.ggpht.com/-dlhWlgW1lv4/UaxvaBa4bTI/AAAAAAAAHww/oXlDvgXoeC8/s0/000034.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000034.png" src="//lh5.ggpht.com/-dlhWlgW1lv4/UaxvaBa4bTI/AAAAAAAAHww/oXlDvgXoeC8/w500-o/000034.png" alt="000034.png"></a><br />
31.&nbsp;檔名改為&nbsp;<span style="color: #ff00ff;"><strong>result.jsp</strong></span><br />
<a title="000035.png" href="http://lh3.ggpht.com/-P6sQ9BoNJ6c/UaxvaevdLMI/AAAAAAAAHws/h2ru1Q2YZzg/s0/000035.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000035.png" src="//lh3.ggpht.com/-P6sQ9BoNJ6c/UaxvaevdLMI/AAAAAAAAHws/h2ru1Q2YZzg/w500-o/000035.png" alt="000035.png"></a><br />
32.&nbsp;輸入以下內容</p>
<pre class="brush: html; gutter: true">&lt;%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%&gt;
&lt;%@ taglib prefix="s" uri="/struts-tags" %&gt;
&lt;html&gt;
  &lt;head&gt;
  &lt;/head&gt;
  &lt;body&gt;
 姓名為:  &lt;s:property value="name"/&gt; &lt;br&gt;
 密碼是:  &lt;s:property value="pass"/&gt;
  &lt;/body&gt;
&lt;/html&gt;</pre>
<p>這邊我們使用 struts2 的標籤(第2行宣告)，<strong><span style="color: #ff0000;">&lt;s:property value=&#8221;name&#8221; /&gt;</span>&nbsp;</strong>表示呼叫 Login.action 中的 getName() 方法來取得 name 的值；<span style="color: #ff0000;"><strong>&lt;s:property value=&#8221;pass&#8221; /&gt;</strong></span>&nbsp;同理。<br />
33.&nbsp;儲存之後，剩下最後一個工作，設定&nbsp;<span style="color: #ff0000;"><strong>struts.xml</strong></span>，這個檔案記錄了 action 跟 jsp 頁面的 mapping，在&nbsp;src 點選右鍵 -&gt; New -&gt; XML<br />
<a title="000036.png" href="http://lh5.ggpht.com/-tkRGvxkWTTE/UaxvaZ2HXjI/AAAAAAAAHw4/NuH1QsMdj00/s0/000036.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000036.png" src="//lh5.ggpht.com/-tkRGvxkWTTE/UaxvaZ2HXjI/AAAAAAAAHw4/NuH1QsMdj00/w500-o/000036.png" alt="000036.png"></a><br />
34.&nbsp;點選 Next，檔名輸入 struts.xml (千萬不能輸入錯誤，包括大小寫)<br />
<a title="000037.png" href="http://lh6.ggpht.com/-9ZXBY0m_thE/Uaxva-9ee-I/AAAAAAAAHxA/7dUgOGkpEAc/s0/000037.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000037.png" src="//lh6.ggpht.com/-9ZXBY0m_thE/Uaxva-9ee-I/AAAAAAAAHxA/7dUgOGkpEAc/w500-o/000037.png" alt="000037.png"></a><br />
<a title="000038.png" href="http://lh4.ggpht.com/-2vpe80i5lh0/UaxvbFZPdDI/AAAAAAAAHxI/lRLg2R0eqVY/s0/000038.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="pe2-photo aligncenter" title="000038.png" src="//lh4.ggpht.com/-2vpe80i5lh0/UaxvbFZPdDI/AAAAAAAAHxI/lRLg2R0eqVY/w500-o/000038.png" alt="000038.png"></a><br />
35.&nbsp;在 struts.xml 中輸入以下內容</p>
<pre class="brush: xml; gutter: true">&lt;?xml version="1.0" encoding="UTF-8" ?&gt;
&lt;!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd"&gt;
&lt;struts&gt;
 &lt;package name="struts2" extends="struts-default"&gt;
  &lt;action name="Login" class="com.local.Login"&gt;
     &lt;result name="success"&gt;/result.jsp&lt;/result&gt;
  &lt;/action&gt;
 &lt;/package&gt;
&lt;/struts&gt;</pre>
<p>36.&nbsp;儲存之後，重新啟動 Tomcat，在網址列輸入&nbsp;<a href="http://localhost/struts/" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external" class="wpel-icon-right">http://localhost/struts/<span class="wpel-icon wpel-image wpel-icon-6"></span></a>&nbsp;(or&nbsp;<a href="http://localhost:8080/struts/" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external" class="wpel-icon-right">http://localhost:8080/struts/<span class="wpel-icon wpel-image wpel-icon-6"></span></a>)，接著在頁面中輸入帳號跟密碼，送出之後，就可以在 Login.action 指向的 result.jsp 頁面顯示剛剛設定的內容。</p>
<p style="text-align: center;"><a title="000039.png" href="http://lh3.ggpht.com/-XOT5FKoJIJ8/UaxvbOJeCII/AAAAAAAAHxM/ylGGOi7pMuU/s0/000039.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="alignnone pe2-photo" title="000039.png" src="//lh3.ggpht.com/-XOT5FKoJIJ8/UaxvbOJeCII/AAAAAAAAHxM/ylGGOi7pMuU/w500-o/000039.png" alt="000039.png"></a>&nbsp;&nbsp;<a title="000040.png" href="http://lh3.ggpht.com/-_UsIGwkTyTw/UaxvbWMFSGI/AAAAAAAAHxQ/pPRWC74ub9M/s0/000040.png" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external"><img decoding="async" class="alignnone pe2-photo" title="000040.png" src="//lh3.ggpht.com/-_UsIGwkTyTw/UaxvbWMFSGI/AAAAAAAAHxQ/pPRWC74ub9M/w500-o/000040.png" alt="000040.png"></a></p>
<p>37.&nbsp;開發 struts2 的流程，要傳資料的頁面(ex. index.jsp) -&gt; action file -&gt; 接收資料的頁面(ex. reslut.jsp) -&gt; struts.xml (把對應加上去) -&gt; 重新啟動 Tomcat &#8230;<br />
一方面記錄下來 = =，神經大條如我，經常忘記環境怎麼設定；一方面希望對剛接觸 struts2 的網友能夠有幫助(應該照著設定就能把環境弄好)。:D<br />
38. <a href="http://wazai.net/dn/struts2.rar" target="_blank" rel="noopener noreferrer nofollow external" data-wpel-link="external" class="wpel-icon-right">範例檔案下載<span class="wpel-icon wpel-image wpel-icon-6"></span></a></p>
<p>這篇文章 <a rel="nofollow" href="https://noter.tw/2905/struts2-%e8%a8%ad%e7%bd%ae%e7%ad%86%e8%a8%98-hello-world-%e7%b4%9a/" data-wpel-link="internal">Struts2 設置筆記 (Hello World 級^^)</a> 最早出現於 <a rel="nofollow" href="https://noter.tw" data-wpel-link="internal">記下來</a>。</p>
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