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開(kāi)發(fā)NetBeansSpringMVC基礎(chǔ)入門(mén)

Spring框架是一個(gè)非常優(yōu)秀的IoC框架,它可以無(wú)縫集成流行的各種前端MVC Web框架和后段的O/R Mapping框架。并且,Spring本身就提供了一個(gè)非常優(yōu)秀的MVC框架。本文將講述如何在NetBeans中使用Spring MVC框架開(kāi)發(fā)***個(gè)具有MVC結(jié)構(gòu)的Web應(yīng)用程序。

創(chuàng)新互聯(lián)公司專注于企業(yè)成都營(yíng)銷(xiāo)網(wǎng)站建設(shè)、網(wǎng)站重做改版、煙臺(tái)網(wǎng)站定制設(shè)計(jì)、自適應(yīng)品牌網(wǎng)站建設(shè)、HTML5建站、商城開(kāi)發(fā)、集團(tuán)公司官網(wǎng)建設(shè)、成都外貿(mào)網(wǎng)站建設(shè)、高端網(wǎng)站制作、響應(yīng)式網(wǎng)頁(yè)設(shè)計(jì)等建站業(yè)務(wù),價(jià)格優(yōu)惠性價(jià)比高,為煙臺(tái)等各大城市提供網(wǎng)站開(kāi)發(fā)制作服務(wù)。

Spring MVC框架提供了一個(gè)基本的DispatcherServlet,所有的請(qǐng)求都通過(guò)DispatcherServlet發(fā)送到恰當(dāng)?shù)腃ontroller處理,最終結(jié)果由對(duì)應(yīng)的JSP渲染出來(lái)。

[***個(gè)Spring MVC程序]

我們?nèi)砸訦elloWorld工程為例。啟動(dòng)NetBeans,打開(kāi)上次我們創(chuàng)建的HelloWorld工程,右鍵點(diǎn)擊Library,選擇Add JAR/Folder:

選擇spring.jar,將其添加到Libraray中。

然后,再次右鍵點(diǎn)擊Library,選擇Add Library,將JSTL 1.1添加到Libraray中:

下一步,我們新建一個(gè)SpringappController.java

 
 
 
  1. package hello;   
  2.  
  3. import org.springframework.web.servlet.mvc.Controller;  
  4.  
  5. import org.springframework.web.servlet.ModelAndView;  
  6.  
  7. import javax.servlet.http.*;   
  8.  
  9. public class SpringappController implements Controller {  
  10.  
  11. public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)  
  12.  
  13. throws javax.servlet.ServletException, java.io.IOException  
  14.  
  15. {  
  16.  
  17. return new ModelAndView("view.jsp", "model", "Hello, world!");  
  18.  
  19. }  
  20.  
  21. }  

在這里Controller創(chuàng)建的Model僅僅是一個(gè)簡(jiǎn)單的字符串,實(shí)際的應(yīng)用程序中,Controller應(yīng)當(dāng)接收URL參數(shù),然后訪問(wèn)業(yè)務(wù)層,獲得Model。

接著創(chuàng)建view.jsp來(lái)渲染結(jié)果,用到了jstl標(biāo)簽:

 
 
 
  1. <%@ page session="false"%> 
  2.  
  3. <%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %> 
  4.  
  5. <%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt" %>   
  6.  
  7. </strong>View.jsp<strong> title> head></strong> </li> <li> </li> <li><strong><body</strong> bgcolor="#FFFFFF"<strong>></strong> </li> <li> </li> <li>Result: <strong><c:out</strong> value="${model}" <strong>/></strong> </li> <li> </li> <li><strong> body> html></strong> </li> </ol></pre><p>下一步是修改web.xml,以“.c”結(jié)束的URL會(huì)被映射到Spring的DispatcherServlet:</p><pre> <ol> <li><strong><servlet></strong>   </li> <li><strong><servlet-name></strong>springapp<strong> servlet-name></strong>   </li> <li><strong><servlet-class></strong>org.springframework.web.servlet.DispatcherServlet<strong> servlet-class></strong>   </li> <li><strong><load-on-startup></strong>1<strong> load-on-startup></strong>   </li> <li><strong> servlet></strong>   </li> <li> </li> <li><strong><servlet-mapping></strong>   </li> <li><strong><servlet-name></strong>springapp<strong> servlet-name></strong>   </li> <li><strong><url-pattern></strong>*.c<strong> url-pattern></strong>   </li> <li><strong> servlet-mapping></strong>   </li> </ol></pre><p>然后,再添加一個(gè)springapp-servlet.xml配置文件,放到web/WEB-INF下: </p><p>內(nèi)容如下:</p><pre> <ol> <li><strong> xml</strong> version="1.0" encoding="UTF-8"<strong>?></strong> </li> <li> </li> <li><strong>></strong>   </li> <li> </li> <li><strong><beans></strong> </li> <li> </li> <li><strong><bean</strong> id="springappController" class="hello.SpringappController"<strong>/></strong> </li> <li> </li> <li><strong><bean</strong> id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"<strong>></strong> </li> <li> </li> <li><strong><property</strong> name="mappings"<strong>></strong> </li> <li> </li> <li><strong><props></strong> </li> <li> </li> <li><strong><prop</strong> key="/hello.c"<strong>></strong>springappController<strong> prop></strong> </li> <li> </li> <li><strong> props></strong> </li> <li> </li> <li><strong> property></strong> </li> <li> </li> <li><strong> bean></strong> </li> <li> </li> <li><strong> beans></strong>   </li> </ol></pre><p>編譯、部署,可以在瀏覽器中看到結(jié)果:Result: Hello, world.</p> <br> 新聞標(biāo)題:開(kāi)發(fā)NetBeansSpringMVC基礎(chǔ)入門(mén) <br> 文章URL:<a href="http://m.5511xx.com/article/cdcscoo.html">http://m.5511xx.com/article/cdcscoo.html</a> </div> <div id="38jblkr" class="hot_new"> <div id="4kr838v" class="page_title clearfix"> <h3>其他資訊</h3> </div> <div id="um0mlus" class="news_list clearfix"> <ul> <li> <a href="/article/cdshjjc.html">Redis連接池統(tǒng)計(jì)追求更高效率(redis連接池統(tǒng)計(jì))</a> </li><li> <a href="/article/cdshjjj.html">創(chuàng)新互聯(lián)鴻蒙OS教程:鴻蒙OS使用指定網(wǎng)絡(luò)進(jìn)行數(shù)據(jù)訪問(wèn)</a> </li><li> <a href="/article/cdshjgs.html">如何修改服務(wù)器系統(tǒng)時(shí)間?(如何調(diào)整服務(wù)器時(shí)間設(shè)置)</a> </li><li> <a href="/article/cdshjpp.html">建設(shè)云登錄不上怎么辦?企業(yè)自己建云服務(wù)器</a> </li><li> <a href="/article/cdshjgc.html">seo一般多久有效果?(seo一般多久有效果啊)</a> </li> </ul> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <!-- 底部信息 --> 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