Spring3 MVC 初体验

commons-logging-1.0.4.jar
jstl-1.2.jar
log4j-1.2.16.jar
org.springframework.asm-3.0.5.RELEASE.jar
org.springframework.beans-3.0.5.RELEASE.jar
org.springframework.context-3.0.5.RELEASE.jar
org.springframework.core-3.0.5.RELEASE.jar
org.springframework.expression-3.0.5.RELEASE.jar
org.springframework.jdbc-3.0.5.RELEASE.jar
org.springframework.web-3.0.5.RELEASE.jar
org.springframework.web.servlet-3.0.5.RELEASE.jar
standard.jar

<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>
org.springframework.web.filter.CharacterEncodingFilter
</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>

<servlet><!-- springmvc 要与后面的配置文档名字前缀一致 -->
<servlet-name>springmvc</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>

<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView"/>
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean>

<bean id="simpleUrlHandlerMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="/user.do">userController</prop>
</props>
</property>
</bean>

<bean id="userController" class="mvc.action.UserController">
<property name="userId">
<value>spring</value>
</property>
<property name="userPassword">
<value>spring</value>
</property>

</bean>

登录错误:  ID号: ${userId},密码: ${userPassword}<br>
<a href="${pageContext.request.contextPath}/index.jsp">返回</a>

欢迎你: ${userId}<br>
<a href="${pageContext.request.contextPath}/index.jsp">返回</a>

class UserController implements Controller{
private String userId = null;
private String userPassword = null;
//....省略掉 set get
ModelAndView handleRequest(){
String _userId = request.getParameter("userId");
String _userPassword = request.getParameter("userPassword");
request.setAttribute("userId", _userId);
if ( userId.equals(_userId) &&
userPassword.equals(_userPassword)) {
return new ModelAndView("success");
}
request.setAttribute("userPassword", _userPassword);
return new ModelAndView("error");
}
}