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<div id="wmd-preview" class="wmd-preview wmd-preview-full-reader" data-medium-element="true" style="left: 0px;"><div class="md-section-divider"></div><div class="md-section-divider"></div><h1 data-anchor-id="1a6z" id="eclipse-springmvc-maven-tomcat配置入门图文教程">Eclipse + SpringMvc + Maven + Tomcat配置入门图文教程</h1><p data-anchor-id="79n4"><code>Eclipse</code> <code>springmvc</code> <code>maven</code> <code>Tomcat</code></p><hr><div class="md-section-divider"></div><h2 data-anchor-id="9n2q" id="安装jdk">安装JDK</h2><p data-anchor-id="6o1w">下载地址：<a href="http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html" target="_blank">http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html</a> <br>
我的版本<code>1.8.0_131</code></p><div class="md-section-divider"></div><h2 data-anchor-id="zh80" id="安装tomcat-server">安装Tomcat Server</h2><p data-anchor-id="eiqi">下载地址：<a href="http://tomcat.apache.org/download-80.cgi" target="_blank">http://tomcat.apache.org/download-80.cgi</a> <br>
这里我选择的是<code>8.5.14</code>版本，apache-tomcat-8.5.14.tar.gz，下载完之后解压到随意目录，如D:/Tomcat</p><div class="md-section-divider"></div><h2 data-anchor-id="mgcc" id="安装eclipse">安装Eclipse</h2><p data-anchor-id="rk6d">下载地址：<a href="https://www.eclipse.org/downloads/eclipse-packages/" target="_blank">https://www.eclipse.org/downloads/eclipse-packages/</a> <br>
选择 <code>Eclipse IDE for Java EE Developers</code>，主要做web开发用。</p><p data-anchor-id="rzbz">下载完后在安装过程中也选择Jave EE Develops（如果选择第一个，你会发现创建project中没有Dynamic Web Project工程等选项，所以务必要选对版本）, 如图：</p><p data-anchor-id="hdk5"><img src="http://lnpan.b0.upaiyun.com/upload/note/eclipseinstall.png" alt="此处输入图片的描述" title=""></p><div class="md-section-divider"></div><h2 data-anchor-id="btx2" id="新建maven-web工程">新建maven web工程</h2><div class="md-section-divider"></div><h3 data-anchor-id="ztns" id="1新建maven-project">1.新建Maven Project</h3><p data-anchor-id="tlox">File -> New -> Maven Project</p><p data-anchor-id="q6bo"><img src="http://lnpan.b0.upaiyun.com/upload/note/new_maven_project.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="b5ca">选择默认的工作空间目录就好</p><p data-anchor-id="wh3d"><img src="http://lnpan.b0.upaiyun.com/upload/note/new_maven_project2.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="kmbj">选择webapp项目骨架</p><p data-anchor-id="com2"><img src="http://lnpan.b0.upaiyun.com/upload/note/new_maven_project3.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="7pbz">设置项目名称及包名</p><p data-anchor-id="rtmj"><img src="http://lnpan.b0.upaiyun.com/upload/note/new_maven_project5.png" alt="此处输入图片的描述" title=""></p><div class="md-section-divider"></div><h3 data-anchor-id="i66h" id="2配置工程项目属性">2.配置工程项目属性</h3><p data-anchor-id="g4c2">新建工程完之后，出现错误提示: <br>
<code>The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path</code> <br>
根据提示是还没配置http服务器，先创建一个Tomcat服务器</p><p data-anchor-id="dwp0"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc4.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="lhoy">点击错误提示选项卡中的<code>Servers</code>, 点击创建新服务链接</p><p data-anchor-id="zy4x"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc5.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="olxt">搜索Tomcat，选择<code>Tomcat 8.5 Server</code>，Next下一步</p><p data-anchor-id="lbci"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc6.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="u3lg">选择Tomcat解压目录，如上面提到的D:/Tomcat。下面是我本机Tomcat的目录，JRE选择自己安装的。一般先安装Java，后安装eclipse，这里会列出已安装的Java版本。如果没有可选择的JRE，则点击<code>installed JREs...</code>手动添加Java安装目录。</p><p data-anchor-id="9it9"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc7.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="nrd5">选择自己创建的项目mvc，finish完成Server创建</p><p data-anchor-id="bc7h"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc8.png" alt="此处输入图片的描述"></p><p data-anchor-id="2993">接下来配置<code>Java build path</code>，右键点击项目 -> Build Path -> Configuire Build Path...</p><p data-anchor-id="utql"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc2.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="fzox">在Java build path窗口，选择<code>Libraries</code>选项卡，添加刚才创建的Tomcat Server，点击<code>Add Library</code> -> <code>Server Runtime</code> -> 选择<code>Apache Tomcat v8.5</code>, finish完成。</p><p data-anchor-id="36jj"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc10.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="7ic2"><code>JRE System Library</code>默认不是我们自己安装的JDK，需要编辑修改，点击右边<code>Edit</code>，选择第三个<code>Workspace default JRE</code>，Finish完成退出</p><p data-anchor-id="qgzd"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc9.png" alt="此处输入图片的描述" title=""></p><p data-anchor-id="cb7l">最后点击<code>Apply</code> -> <code>OK</code>，完成配置更改。</p><p data-anchor-id="hhmv">这时候再看项目目录，错误红叉消失，<code>Java Resources</code>目录自动增加了<code>src/main/java</code>,<code>src/test/java</code>包的默认资源目录。运行<code>Run</code>，熟悉的Hello World。Maven Project配置第一步成功！</p><p data-anchor-id="urvm"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc12.png" alt="此处输入图片的描述"></p><div class="md-section-divider"></div><h3 data-anchor-id="rb0t" id="3配置spring框架依赖">3.配置spring框架依赖</h3><div class="md-section-divider"></div><h4 data-anchor-id="magu" id="31-配置pomxml">3.1 配置pom.xml</h4><p data-anchor-id="fuvk">maven通过pom.xml管理着各种包的依赖，相当于php的<code>composer.json</code> <br>
配置spring的pom.xml如下：</p><div class="md-section-divider"></div><pre class="prettyprint linenums prettyprinted" data-anchor-id="s71v" data-initialized="true" data-gclp-id="0"><ol class="linenums"><li class="L0"><code><span class="tag"><project</span><span class="pln"> </span><span class="atn">xmlns</span><span class="pun">=</span><span class="atv">"http://maven.apache.org/POM/4.0.0"</span><span class="pln"> </span><span class="atn">xmlns:xsi</span><span class="pun">=</span><span class="atv">"http://www.w3.org/2001/XMLSchema-instance"</span></code></li><li class="L1"><code><span class="pln"> </span><span class="atn">xsi:schemaLocation</span><span class="pun">=</span><span class="atv">"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"</span><span class="tag">></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><modelVersion></span><span class="pln">4.0.0</span><span class="tag"></modelVersion></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><groupId></span><span class="pln">cn.mark</span><span class="tag"></groupId></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><artifactId></span><span class="pln">mvc</span><span class="tag"></artifactId></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"><packaging></span><span class="pln">war</span><span class="tag"></packaging></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><version></span><span class="pln">0.0.1-SNAPSHOT</span><span class="tag"></version></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"><name></span><span class="pln">mvc Maven Webapp</span><span class="tag"></name></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><url></span><span class="pln">http://maven.apache.org</span><span class="tag"></url></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><dependencies></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"><dependency></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"><groupId></span><span class="pln">junit</span><span class="tag"></groupId></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><artifactId></span><span class="pln">junit</span><span class="tag"></artifactId></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><version></span><span class="pln">3.8.1</span><span class="tag"></version></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><scope></span><span class="pln">test</span><span class="tag"></scope></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"></dependency></span></code></li><li class="L6"><code></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"><dependency></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><groupId></span><span class="pln">org.springframework</span><span class="tag"></groupId></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><artifactId></span><span class="pln">spring-web</span><span class="tag"></artifactId></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"><version></span><span class="pln">3.0.5.RELEASE</span><span class="tag"></version></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"></dependency></span></code></li><li class="L2"><code></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><dependency></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><groupId></span><span class="pln">org.springframework</span><span class="tag"></groupId></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"><artifactId></span><span class="pln">spring-webmvc</span><span class="tag"></artifactId></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><version></span><span class="pln">3.0.5.RELEASE</span><span class="tag"></version></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"></dependency></span></code></li><li class="L8"><code></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><dependency></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"><groupId></span><span class="pln">org.apache.geronimo.specs</span><span class="tag"></groupId></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"><artifactId></span><span class="pln">geronimo-servlet_2.5_spec</span><span class="tag"></artifactId></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><version></span><span class="pln">1.2</span><span class="tag"></version></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"></dependency></span></code></li><li class="L4"><code></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"><dependency></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><groupId></span><span class="pln">javax.servlet</span><span class="tag"></groupId></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"><artifactId></span><span class="pln">jstl</span><span class="tag"></artifactId></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><version></span><span class="pln">1.2</span><span class="tag"></version></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"></dependency></span></code></li><li class="L0"><code></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"><dependency></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><groupId></span><span class="pln">taglibs</span><span class="tag"></groupId></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><artifactId></span><span class="pln">standard</span><span class="tag"></artifactId></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><version></span><span class="pln">1.1.2</span><span class="tag"></version></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"></dependency></span></code></li><li class="L6"><code></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"></dependencies></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><build></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><finalName></span><span class="pln">mvc</span><span class="tag"></finalName></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"></build></span></code></li><li class="L1"><code><span class="tag"></project></span></code></li></ol></pre><div class="md-section-divider"></div><h4 data-anchor-id="ki0t" id="32-配置webxml">3.2 配置web.xml</h4><p data-anchor-id="r62i">这里主要指定Tomcat的URL拦截规则，指定使用springmvc的DispatcherServlet。同时装入spring配置文件<code>/WEB-INF/mvc-servlet.xml</code>。</p><p data-anchor-id="mlhc"><code>DispatcherServlet</code>是前置控制器，拦截匹配的请求，Servlet拦截匹配规则要自己定义，把拦截下来的请求，依据相应的规则分发到目标Controller来处理。</p><blockquote data-anchor-id="4l6c" class="white-blockquote">
<p>位置：/src/main/webapp/WEB-INF/web.xml</p>
</blockquote><div class="md-section-divider"></div><pre class="prettyprint linenums prettyprinted" data-anchor-id="757u" data-initialized="true" data-gclp-id="1"><ol class="linenums"><li class="L0"><code><span class="pun"><?</span><span class="pln">xml version</span><span class="pun">=</span><span class="str">"1.0"</span><span class="pln"> encoding</span><span class="pun">=</span><span class="str">"UTF-8"</span><span class="pun">?></span></code></li><li class="L1"><code><span class="tag"><web-app</span><span class="pln"> </span><span class="atn">xmlns</span><span class="pun">=</span><span class="atv">"http://java.sun.com/xml/ns/javaee"</span><span class="pln"> </span></code></li><li class="L2"><code><span class="pln"> </span><span class="atn">xmlns:xsi</span><span class="pun">=</span><span class="atv">"http://www.w3.org/2001/XMLSchema-instance"</span></code></li><li class="L3"><code><span class="pln"> </span><span class="atn">xsi:schemaLocation</span><span class="pun">=</span><span class="atv">"http://java.sun.com/xml/ns/javaee </span></code></li><li class="L4"><code><span class="atv"> http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"</span><span class="pln"> </span></code></li><li class="L5"><code><span class="pln"> </span><span class="atn">version</span><span class="pun">=</span><span class="atv">"2.5"</span><span class="pln"> </span><span class="tag">></span></code></li><li class="L6"><code></code></li><li class="L7"><code><span class="pln"> </span><span class="com"><!-- 区分项目名称，防止默认重名 --></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><context-param></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><param-name></span><span class="pln">webAppRootKey</span><span class="tag"></param-name></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"><param-value></span><span class="pln">mvc</span><span class="tag"></param-value></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"></context-param></span></code></li><li class="L2"><code></code></li><li class="L3"><code><span class="pln"> </span><span class="com"><!-- Spring的log4j监听器 --></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><listener></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"><listener-class></span><span class="pln">org.springframework.web.util.Log4jConfigListener</span><span class="tag"></listener-class></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"></listener></span></code></li><li class="L7"><code></code></li><li class="L8"><code><span class="pln"> </span><span class="com"><!-- 默认配置文件/WEB-INF/applicationContext.xml --></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><listener></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"><listener-class></span><span class="pln">org.springframework.web.context.ContextLoaderListener</span><span class="tag"></listener-class></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"></listener></span></code></li><li class="L2"><code></code></li><li class="L3"><code><span class="pln"> </span><span class="com"><!-- 字符集 过滤器 --></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><filter></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"><filter-name></span><span class="pln">CharacterEncodingFilter</span><span class="tag"></filter-name></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><filter-class></span><span class="pln">org.springframework.web.filter.CharacterEncodingFilter</span><span class="tag"></filter-class></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"><init-param></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><param-name></span><span class="pln">encoding</span><span class="tag"></param-name></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><param-value></span><span class="pln">UTF-8</span><span class="tag"></param-value></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"></init-param></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"><init-param></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><param-name></span><span class="pln">forceEncoding</span><span class="tag"></param-name></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><param-value></span><span class="pln">true</span><span class="tag"></param-value></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"></init-param></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"></filter></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><filter-mapping></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"><filter-name></span><span class="pln">CharacterEncodingFilter</span><span class="tag"></filter-name></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><url-pattern></span><span class="pln">/*</span><span class="tag"></url-pattern></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"></filter-mapping></span></code></li><li class="L0"><code></code></li><li class="L1"><code><span class="pln"> </span><span class="com"><!-- Spring view分发器 --></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><servlet></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><servlet-name></span><span class="pln">mvc</span><span class="tag"></servlet-name></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><servlet-class></span><span class="pln">org.springframework.web.servlet.DispatcherServlet</span><span class="tag"></servlet-class></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"><init-param></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><param-name></span><span class="pln">contextConfigLocation</span><span class="tag"></param-name></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"><param-value></span><span class="pln">/WEB-INF/mvc-servlet.xml</span><span class="tag"></param-value></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"></init-param></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><load-on-startup></span><span class="pln">1</span><span class="tag"></load-on-startup></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"></servlet></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"><servlet-mapping></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><servlet-name></span><span class="pln">mvc</span><span class="tag"></servlet-name></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><url-pattern></span><span class="pln">/</span><span class="tag"></url-pattern></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"></servlet-mapping></span></code></li><li class="L5"><code></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><welcome-file-list></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"><welcome-file></span><span class="pln">index.jsp</span><span class="tag"></welcome-file></span></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"></welcome-file-list></span></code></li><li class="L9"><code></code></li><li class="L0"><code><span class="tag"></web-app></span></code></li></ol></pre><div class="md-section-divider"></div><h4 data-anchor-id="mpxx" id="33-配置mvc-servletxml">3.3 配置mvc-servlet.xml</h4><p data-anchor-id="p2zf">这是springmvc的配置文件。</p><ul data-anchor-id="1utt">
<li><code><context:component-scan></code>主要指定了要遍历的package包名为<code>cn.mark.mvc.controller</code>，这个在新建controller文件时要对应这个package名称。</li>
<li><code>InternalResourceViewResolver</code>是视图解析器，以下指定视图文件目录为<code>/WEB-INF/views</code>，后缀名<code>.jsp</code></li>
<li><code><mvc:annotation-driven /></code>是注解配置，这个允许你在controller类里加上如<code>@controller</code>、<code>@RequestMapping</code>注解来告诉springmvc这个类可以接收用户请求并指定URL地址映射。</li>
</ul><blockquote data-anchor-id="fsxm" class="white-blockquote">
<p>位置：/src/main/webapp/WEB-INF/mvc-servlet.xml</p>
</blockquote><div class="md-section-divider"></div><pre class="prettyprint linenums prettyprinted" data-anchor-id="wevj" data-initialized="true" data-gclp-id="2"><ol class="linenums"><li class="L0"><code><span class="pun"><?</span><span class="pln">xml version</span><span class="pun">=</span><span class="str">"1.0"</span><span class="pln"> encoding</span><span class="pun">=</span><span class="str">"UTF-8"</span><span class="pun">?></span></code></li><li class="L1"><code><span class="tag"><beans</span><span class="pln"> </span><span class="atn">xmlns</span><span class="pun">=</span><span class="atv">"http://www.springframework.org/schema/beans"</span><span class="pln"> </span></code></li><li class="L2"><code><span class="pln"> </span><span class="atn">xmlns:aop</span><span class="pun">=</span><span class="atv">"http://www.springframework.org/schema/aop"</span><span class="pln"> </span></code></li><li class="L3"><code><span class="pln"> </span><span class="atn">xmlns:context</span><span class="pun">=</span><span class="atv">"http://www.springframework.org/schema/context"</span></code></li><li class="L4"><code><span class="pln"> </span><span class="atn">xmlns:mvc</span><span class="pun">=</span><span class="atv">"http://www.springframework.org/schema/mvc"</span><span class="pln"> </span></code></li><li class="L5"><code><span class="pln"> </span><span class="atn">xmlns:tx</span><span class="pun">=</span><span class="atv">"http://www.springframework.org/schema/tx"</span><span class="pln"> </span></code></li><li class="L6"><code><span class="pln"> </span><span class="atn">xmlns:xsi</span><span class="pun">=</span><span class="atv">"http://www.w3.org/2001/XMLSchema-instance"</span></code></li><li class="L7"><code><span class="pln"> </span><span class="atn">xsi:schemaLocation</span><span class="pun">=</span><span class="atv">"http://www.springframework.org/schema/aop </span></code></li><li class="L8"><code><span class="atv"> http://www.springframework.org/schema/aop/spring-aop-3.0.xsd </span></code></li><li class="L9"><code><span class="atv"> http://www.springframework.org/schema/beans </span></code></li><li class="L0"><code><span class="atv"> http://www.springframework.org/schema/beans/spring-beans-3.0.xsd </span></code></li><li class="L1"><code><span class="atv"> http://www.springframework.org/schema/context </span></code></li><li class="L2"><code><span class="atv"> http://www.springframework.org/schema/context/spring-context-3.0.xsd </span></code></li><li class="L3"><code><span class="atv"> http://www.springframework.org/schema/mvc </span></code></li><li class="L4"><code><span class="atv"> http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd </span></code></li><li class="L5"><code><span class="atv"> http://www.springframework.org/schema/tx </span></code></li><li class="L6"><code><span class="atv"> http://www.springframework.org/schema/tx/spring-tx-3.0.xsd"</span><span class="tag">></span></code></li><li class="L7"><code></code></li><li class="L8"><code><span class="pln"> </span><span class="tag"><mvc:annotation-driven</span><span class="pln"> </span><span class="tag">/></span></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><context:component-scan</span><span class="pln"> </span><span class="atn">base-package</span><span class="pun">=</span><span class="atv">"cn.mark.mvc.controller"</span><span class="pln"> </span><span class="tag">/></span></code></li><li class="L0"><code></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"><bean</span><span class="pln"> </span><span class="atn">class</span><span class="pun">=</span><span class="atv">"org.springframework.web.servlet.view.InternalResourceViewResolver"</span><span class="tag">></span></code></li><li class="L2"><code><span class="pln"> </span><span class="tag"><property</span><span class="pln"> </span><span class="atn">name</span><span class="pun">=</span><span class="atv">"prefix"</span><span class="pln"> </span><span class="atn">value</span><span class="pun">=</span><span class="atv">"/WEB-INF/views/"</span><span class="pln"> </span><span class="tag">/></span></code></li><li class="L3"><code><span class="pln"> </span><span class="tag"><property</span><span class="pln"> </span><span class="atn">name</span><span class="pun">=</span><span class="atv">"suffix"</span><span class="pln"> </span><span class="atn">value</span><span class="pun">=</span><span class="atv">".jsp"</span><span class="pln"> </span><span class="tag">/></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"></bean></span></code></li><li class="L5"><code></code></li><li class="L6"><code><span class="tag"></beans></span></code></li></ol></pre><div class="md-section-divider"></div><h4 data-anchor-id="8plf" id="34-配置applicationcontextxml">3.4 配置applicationContext.xml</h4><p data-anchor-id="bchw">在启动Web容器时，自动装配Spring applicationContext.xml的配置信息，这里可以初始化一些bean，如Hibernate、DataSource等。这里我们先什么也不做。</p><blockquote data-anchor-id="lr35" class="white-blockquote">
<p>位置：/src/main/webapp/WEB-INF/applicationContext.xml</p>
</blockquote><div class="md-section-divider"></div><pre class="prettyprint linenums prettyprinted" data-anchor-id="2zic" data-initialized="true" data-gclp-id="3"><ol class="linenums"><li class="L0"><code><span class="pun"><?</span><span class="pln">xml version</span><span class="pun">=</span><span class="str">"1.0"</span><span class="pln"> encoding</span><span class="pun">=</span><span class="str">"UTF-8"</span><span class="pun">?></span></code></li><li class="L1"><code><span class="dec"><!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd"></span></code></li><li class="L2"><code><span class="tag"><beans></span></code></li><li class="L3"><code><span class="tag"></beans></span></code></li></ol></pre><div class="md-section-divider"></div><h4 data-anchor-id="gp7b" id="35-编写第一个控制器类">3.5 编写第一个控制器类</h4><div class="md-section-divider"></div><h5 data-anchor-id="mb0h" id="351-创建controller包名cnmarkmvccontroller">3.5.1 创建controller包名<code>cn.mark.mvc.controller</code></h5><p data-anchor-id="j3rq"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc003.png" alt="此处输入图片的描述"></p><p data-anchor-id="26wv">输入<code>cn.mark.mvc.controller</code>，这个是与<code>mvc-servlet.xml</code>配置中要扫描的package对应的。</p><p data-anchor-id="579m"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc004.png" alt="此处输入图片的描述"></p><div class="md-section-divider"></div><h5 data-anchor-id="oaz1" id="352-创建testcontrollerjava类">3.5.2 创建TestController.java类</h5><p data-anchor-id="6d35"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc005.png" alt="此处输入图片的描述"></p><p data-anchor-id="wc1k">输入控制器名称<code>TestController</code></p><p data-anchor-id="d7za"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc006.png" alt="此处输入图片的描述"></p><p data-anchor-id="miqq">创建完之后，复制以下示例代码到TestController.java</p><div class="md-section-divider"></div><pre class="prettyprint linenums prettyprinted" data-anchor-id="udt3" data-initialized="true" data-gclp-id="4"><ol class="linenums"><li class="L0"><code><span class="kwd">package</span><span class="pln"> cn</span><span class="pun">.</span><span class="pln">mark</span><span class="pun">.</span><span class="pln">mvc</span><span class="pun">.</span><span class="pln">controller</span><span class="pun">;</span></code></li><li class="L1"><code></code></li><li class="L2"><code><span class="kwd">import</span><span class="pln"> org</span><span class="pun">.</span><span class="pln">springframework</span><span class="pun">.</span><span class="pln">stereotype</span><span class="pun">.</span><span class="typ">Controller</span><span class="pun">;</span></code></li><li class="L3"><code><span class="kwd">import</span><span class="pln"> org</span><span class="pun">.</span><span class="pln">springframework</span><span class="pun">.</span><span class="pln">ui</span><span class="pun">.</span><span class="typ">Model</span><span class="pun">;</span></code></li><li class="L4"><code><span class="kwd">import</span><span class="pln"> org</span><span class="pun">.</span><span class="pln">springframework</span><span class="pun">.</span><span class="pln">web</span><span class="pun">.</span><span class="pln">bind</span><span class="pun">.</span><span class="pln">annotation</span><span class="pun">.</span><span class="typ">RequestMapping</span><span class="pun">;</span></code></li><li class="L5"><code></code></li><li class="L6"><code><span class="lit">@Controller</span><span class="pln"> </span></code></li><li class="L7"><code><span class="kwd">public</span><span class="pln"> </span><span class="kwd">class</span><span class="pln"> </span><span class="typ">TestController</span><span class="pln"> </span><span class="pun">{</span><span class="pln"> </span></code></li><li class="L8"><code></code></li><li class="L9"><code><span class="pln"> </span><span class="lit">@RequestMapping</span><span class="pun">(</span><span class="pln">value</span><span class="pun">=</span><span class="str">"test"</span><span class="pun">)</span><span class="pln"> </span></code></li><li class="L0"><code><span class="pln"> </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> test</span><span class="pun">(</span><span class="typ">Model</span><span class="pln"> model</span><span class="pun">){</span></code></li><li class="L1"><code><span class="pln"> model</span><span class="pun">.</span><span class="pln">addAttribute</span><span class="pun">(</span><span class="str">"ddc"</span><span class="pun">,</span><span class="pln"> </span><span class="str">"邓莫尔, 你好! 我是Spring！"</span><span class="pun">);</span></code></li><li class="L2"><code><span class="pln"> </span><span class="com">//System.out.println("test.jsp");</span></code></li><li class="L3"><code><span class="pln"> </span><span class="pun">}</span><span class="pln"> </span></code></li><li class="L4"><code><span class="pun">}</span></code></li></ol></pre><div class="md-section-divider"></div><h5 data-anchor-id="c8li" id="353-创建testjsp视图文件">3.5.3 创建test.jsp视图文件</h5><p data-anchor-id="2dbb">在/WEB-INF目录下新建文件夹views，新建/WEB-INF/views/test.jsp文件，文件名对应控制器上的RequestMapping的value值，复制示例代码：</p><div class="md-section-divider"></div><pre class="prettyprint linenums prettyprinted" data-anchor-id="9vjj" data-initialized="true" data-gclp-id="5"><ol class="linenums"><li class="L0"><code><span class="pun"><%</span><span class="lit">@page</span><span class="pln"> language</span><span class="pun">=</span><span class="str">"java"</span><span class="pln"> contentType</span><span class="pun">=</span><span class="str">"text/html; charset=UTF-8"</span><span class="pln"> pageEncoding</span><span class="pun">=</span><span class="str">"UTF-8"</span><span class="pln">%></span></code></li><li class="L1"><code><span class="pun"><%</span><span class="lit">@taglib</span><span class="pln"> prefix</span><span class="pun">=</span><span class="str">"c"</span><span class="pln"> uri</span><span class="pun">=</span><span class="str">"http://java.sun.com/jsp/jstl/core"</span><span class="pln">%></span></code></li><li class="L2"><code><span class="dec"><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"></span></code></li><li class="L3"><code><span class="tag"><html></span></code></li><li class="L4"><code><span class="pln"> </span><span class="tag"><head></span></code></li><li class="L5"><code><span class="pln"> </span><span class="tag"><meta</span><span class="pln"> </span><span class="atn">http-equiv</span><span class="pun">=</span><span class="atv">"Content-Type"</span><span class="pln"> </span><span class="atn">content</span><span class="pun">=</span><span class="atv">"text/html; charset=UTF-8"</span><span class="tag">></span></code></li><li class="L6"><code><span class="pln"> </span><span class="tag"><title></span><span class="pln">SpringMVC测试页面</span><span class="tag"></title></span></code></li><li class="L7"><code><span class="pln"> </span><span class="tag"></head></span></code></li><li class="L8"><code></code></li><li class="L9"><code><span class="pln"> </span><span class="tag"><body></span></code></li><li class="L0"><code><span class="pln"> </span><span class="tag"><c:out</span><span class="pln"> </span><span class="atn">value</span><span class="pun">=</span><span class="atv">"${ddc}"</span><span class="tag">></c:out></span></code></li><li class="L1"><code><span class="pln"> </span><span class="tag"></body></span></code></li><li class="L2"><code><span class="tag"></html></span></code></li></ol></pre><div class="md-section-divider"></div><h5 data-anchor-id="x7oo" id="354-测试运行结果">3.5.4 测试运行结果</h5><p data-anchor-id="ihv9">运行<code>Run</code>，访问URL：<a href="http://localhost:8080/mvc/test" target="_blank">http://localhost:8080/mvc/test</a></p><p data-anchor-id="x0gh"><img src="http://lnpan.b0.upaiyun.com/upload/note/mvc007.png" alt="此处输入图片的描述"></p><p data-anchor-id="g0qd">后续会介绍如何配置数据库、Hibernate以及web前端框架，如GWT、SmartGWT、ExtGWT、Vaadin等，正在学习中，待我学成归来，与大家一起分享~</p></div>以上是关于markdown 来自https://www.zybuluo.com/dume2007/note/744825的主要内容，如果未能解决你的问题，请参考以下文章