struts入门简单实例

环境：Ecplise3.2 + Tomcat5.5 + struts1.2.9
 

工程结构分布图：


 

<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">


<web-app>
<display-name>studyStruts</display-name>
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>

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

<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>

<taglib>
<taglib-uri>/tags/struts-bean</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</taglib>

<taglib>
<taglib-uri>/tags/struts-html</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</taglib>

<taglib>
<taglib-uri>/tags/struts-logic</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</taglib>

<taglib>
<taglib-uri>/tags/struts-nested</taglib-uri>
<taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
</taglib>

<taglib>
<taglib-uri>/tags/struts-tiles</taglib-uri>
<taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
</taglib>

</web-app>

<struts-config>
<form-beans>
<form-bean name="loginForm" type="org.apache.my.form.LoginForm"/>
</form-beans>

<action-mappings>
<action
path="/login"
type="org.apache.my.action.LoginAction"
name="loginForm"
scope="request"
input="/login.jsp">
<forward name="success" path="/main.jsp"/>
<forward name="failed" path="/error.jsp"/>
</action>
</action-mappings>

<message-resources parameter="org.apache.my.ApplicationResources">

</message-resources>

</struts-config>
 

public final class LoginAction extends Action {
public ActionForward execute(ActionMapping mapping,
ActionForm form, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {

String userName = ((LoginForm) form).getUsername();
String password = ((LoginForm) form).getPassword();

if (userName.equals("suihu") && password.equals("sh")) {
HttpSession session = request.getSession();
session.setAttribute("loggedIn", "1");
return mapping.findForward("success");
}
else {
return mapping.findForward("failed");
}
}
}
 

public class LoginForm extends ActionForm {
public String username="";
public String password="";

public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
}