s s h 问题，大侠救命，郁闷一天了

Question

代码先：
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>
LoginTest</display-name>
<servlet>
<servlet-name>strutsController</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>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>strutsController</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
<context-param>
       <param-name>contextConfigLocation</param-name>
       <param-value>/WEB-INF/applicationContext.xml</param-value>
    </context-param>

</web-app>struts-config.xml
<?xml version="1.0" encoding="ISO-8859-1" ?><!DOCTYPE struts-config PUBLIC
          "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
          "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd"><struts-config> <form-beans> <form-bean name="loginForm"
type="org.apache.struts.validator.DynaValidatorForm">
<form-property name="username" type="java.lang.String"></form-property>
<form-property name="password" type="java.lang.String"></form-property>
</form-bean> </form-beans> <global-forwards>
<forward name="indexGo" path="/success.jsp"></forward>
</global-forwards>
<action-mappings> <action attribute="loginForm" input="/login.jsp"
name="loginForm" scope="request" path="/login" validate="true"
type="org.springframework.web.struts.DelegatingActionProxy">
</action> </action-mappings>
<message-resources parameter="com.test.struts.ApplicationResources" /> <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property property="pathnames"
value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml" />
</plug-in></struts-config>applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName">
<value>com.mysql.jdbc.Driver</value>
</property>
<property name="url">
<value>jdbc:mysql://localhost/meonline</value>
</property>
<property name="username">
<value>root</value>
</property>
<property name="password">
<value>1</value>
</property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref local="dataSource"/>
</property>
<property name="mappingResources">
<list>
<value>
User.hbm.xml
</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialet">
org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
</bean>
<bean id="transactionManager" class="org.springframeword.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>
<bean id="userDAO" class="com.test.Hibernate.UserDAO">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>
<bean name="/login" class="com.test.struts.action.LoginAction" singleton="false">
<property name="userDAO">
<ref bean="userDAO"/>
</property>
</bean>
</beans>User.hbm.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibername Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.test.Hibernate.User" table="user">
<id name="id" type="integer">
<column name="ID"></column>
<generator class="native"></generator>
</id>
<property name="username" type="String">
<column name="USERNAME" length="50" not-null="true"></column>
</property>
<property name="password" type="String">
<column name="PASSWORD" length="50" not-null="true"></column>
</property>
</class>
</hibernate-mapping>

Answer 1

java 代码：package com.test.struts.action;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.validator.DynaValidatorForm;import com.test.Hibernate.UserDAO;public class LoginAction extends Action { private UserDAO userDao; public UserDAO getUserDao() {
return userDao;
} public void setUserDao(UserDAO userDao) {
this.userDao = userDao;
}

public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
DynaValidatorForm loginForm = (DynaValidatorForm) form;
String username = loginForm.getString("username");
String password = loginForm.getString("password");
if (userDao.isValidUser(username, password)) {
request.setAttribute("user", username);
return mapping.findForward("indexGo");
} else {
return mapping.getInputForward();
}
}
}package com.test.Hibernate;import java.io.Serializable;public abstract class AbstractUser implements Serializable { private int hashValue = 0;

private Integer id;

private String username;

private String password; public AbstractUser() {
} public AbstractUser(String username, String password) {
super();
this.username = username;
this.password = password;
} public AbstractUser(Integer id) {
this.setId(id);
} public Integer getId() {
return id;
} public void setId(Integer id) {
this.id = id;
} 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;
}

public boolean equals(Object rhs) {
if (rhs == null) {
return false;
}
if (!(rhs instanceof User)) {
return false;
}
User that = (User) rhs;
if (this.getId() == null || that.getId() == null) {
return false;
}
return (this.getId().equals(that.getId()));
}

public int hashCode() {
if (this.hashValue == 0) {
int result = 17;
int idValue = this.getId() == null ? 0 : this.getId().hashCode();
result = result * 37 + idValue;
this.hashValue = result;
}
return this.hashValue;
}
}package com.test.Hibernate;import java.io.Serializable;public class User extends AbstractUser implements Serializable { public User() {
super();
// TODO Auto-generated constructor stub
} public User(Integer id) {
super(id);
// TODO Auto-generated constructor stub
}}

Answer 2

package com.test.Hibernate;import java.util.List;import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.criterion.Example;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;public class UserDAO extends HibernateDaoSupport { private static final Log log = LogFactory.getLog(UserDAO.class);

private static String hql = "from User u where u.username=? and password=?";

protected void initDao() {

}

public boolean isValidUser(String username, String password) {

System.out.println("in UserDAO IsValid");

String[] userlist = new String[2];
userlist[0] = username;
userlist[1] = password;

List userList = this.getHibernateTemplate().find(hql, userlist);

if (userList.size() == 0) {
return true;
}

return false;
}

public void save(User trasientInstance) {
log.debug("saving User instance");
try {
getHibernateTemplate().saveOrUpdate(trasientInstance);
log.debug("save successful");
} catch (RuntimeException re) {
log.error("save failed", re);
throw re;
}
}

public void delete(User persistentInstance) {
log.debug("deleting User instance");
try {
getHibernateTemplate().delete(persistentInstance);
log.debug("delete successful");
} catch (RuntimeException re) {
log.error("delete failed", re);
throw re;
}
}

public User findById(Integer id) {
log.debug("getting User instance with id : " + id);
try {
User instance = (User) getHibernateTemplate().get("User", id);
return instance;
} catch (RuntimeException re) {
log.error("get failed", re);
throw re;
}
}

public List findByExample(User instance) {
log.debug("finding User instance by example");
try {
List results = getSession().createCriteria("User").add(Example.create(instance)).list();
log.debug("find by example successful, result size : " + results.size());
return results;
} catch (RuntimeException re) {
log.error("find by example failed", re);
throw re;
}
}

public User merge(User detachedInstance) {
log.debug("merging User instance");
try {
User result = (User)getHibernateTemplate().merge(detachedInstance);
log.debug("merge successful");
return result;
} catch (RuntimeException re) {
log.error("merge failed", re);
throw re;
}
}

public void attachDirty(User instance) {
log.debug("attaching dirty User instance");
try {
getHibernateTemplate().saveOrUpdate(instance);
log.debug("attach successful");
} catch (RuntimeException re) {
log.error("attach failed", re);
throw re;
}
}

public static UserDAO getFromApplicationContext(ApplicationContext ctx) {
return (UserDAO) ctx.getBean("UserDao");
}
}
  
 
致命的: No action instance for path /login could be created
java.lang.ClassNotFoundException: org.springframework.web.struts.DelegatingActionProxy
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
at org.apache.struts.util.RequestUtils.applicationClass(RequestUtils.java:117)
at org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:143)
at org.apache.struts.action.RequestProcessor.processActionCreate(RequestProcessor.java:280)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:218)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source) 
网上我找了一天了，有的是struts-config.xml中的路径错了
有的是applicationContext.xml中的action路径错了
但是我对了半天，甚至这些路径都用复制的还是不行