本人spring新手,初玩是spring的感觉就是坑爹的配置文件,为此写此文为正在苦苦挣扎于spring配置文件的同学简单的解释下配置文件。
欢迎拍砖。
先来看web.xml配置文件:
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <display-name></display-name> <welcome-file-list> <welcome-file>login.jsp</welcome-file> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <!-- 声明spring的核心类(其实是一个servlet,所以也逃不了要声明),同时此处载入spring的配置文件 --> <servlet> <servlet-name>dipatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.xml</param-value> </init-param> </servlet> <!-- 对那种请求进行转发 --> <servlet-mapping> <servlet-name>dipatcher</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <!-- 定义编码过滤器,对中文等进行重新编码,去除该过滤器则中文乱码 --> <filter> <filter-name>Set Character Encoding</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>utf8</param-value> </init-param> </filter> <filter-mapping> <filter-name>Set Character Encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
下面我们在来看看applicationContext.xml配置文件:
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd"> <!-- 表示层的声明:主要关于表示层前缀路径(如下:/view/)和后缀路径(如下:.jsp). 这么声明代表你的表示层文件都在/view/下,而且都是.jsp文件 --> <!-- efinition of View Resolver --> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass"> <value>org.springframework.web.servlet.view.JstlView</value> </property> <property name="prefix"> <value>/view/</value> </property> <property name="suffix"> <value>.jsp</value> </property> </bean> <!--此处用于声明action,在此下方要一一列出action的配置 --> <!-- Request Mapping --> <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings"> <props> <prop key="/regAction.do">regAction</prop> <prop key="/loginAction.do">loginAction</prop> </props> </property> </bean> <!-- Action Definition --> <bean id="regAction" class="org.lee.springmvc.demo.RegAction"> <property name="commandClass"> <value>org.lee.springmvc.demo.RegInfo</value> </property> <property name="error_view"> <value>error</value> </property> <property name="success_view"> <value>success</value> </property> </bean> <bean id="loginAction" class="org.lee.springmvc.demo.LoginAction"> <!-- 此类用于提取自动提取表单并填充该类(因此,没有get、set是会报错的),这是非常方便的 --> <property name="commandClass"> <value>org.lee.springmvc.demo.RegInfo</value> </property> <property name="error_view"> <value>error</value> </property> <property name="success_view"> <value>loginSuccess</value> </property> </bean> </beans>
至此,简单解释了配置文件。另附一个spring mvc的demo ,有简单的注册和登录功能(请用Myeclipse打开)。