Warum kann meine Aktion in meinem JavaWeb-Projekt nicht funktionieren?

Question

IDE-Version: struts2.5.8 + spring4.3.6 + hibernate5.2.8. Ich bin ein neuer Mitarbeiter in Java Web. Nachdem ich meinen Code sorgfältig überprüft habe, kann die Aktion aber nicht funktionieren. Jedes Mal, wenn ich meinen Code in Tomcatv9.0 ausführe, zeigt mein Chrome-Webbrowser den Statusbericht "HTTP Status 404" an. Beschreibung: Die angeforderte Ressource ist nicht verfügbar.

web.xml Code:

<?xml version="1.0" encoding="UTF-8"?> 
<web-app id="MyStrutsApp" 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"> 
<welcome-file-list> 
    <welcome-file>index.jsp</welcome-file> 
</welcome-file-list> 

<listener> 
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 
</listener> 
<context-param> 
    <param-name>contextConfigLocation</param-name> 
    <!-- <param-value>/WEB-INF/applicationContext-*.xml,classpath*:applicationContext-*.xml</param-value> --> 
    <param-value>classpath:beans.xml</param-value> 
</context-param> 

<filter> 
    <filter-name>struts2</filter-name> 
<filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class> 
</filter> 
<filter-mapping> 
    <filter-name>struts2</filter-name> 
<url-pattern>/*</url-pattern> 
</filter-mapping> 

struts.xml Code:

<?xml version="1.0" encoding="UTF-8" ?> 
<!DOCTYPE struts PUBLIC 
"-//Apache Software Foundation//DTD Struts Configuration 2.5//EN" 
"http://struts.apache.org/dtds/struts-2.5.dtd"> 
<struts> 
<include file="struts-default.xml"></include> 
<constant name="struts.i18n.encoding" value="UTF-8"></constant> 
<constant name="struts.action.extension" value="do,action"></constant> 
<constant name="struts.serve.static.browserCache" value="false">  </constant> 
<constant name="struts.devMode" value="true" />  
<constant name="struts.configuration.xml.reload" value="true"></constant>  
<constant name="struts.enable.DynamicMethodInvocation" value="true" />  
<package name="registration" extends="struts-default" namespace="/" >   
    <action name="user" class="userAction" method="add"> 
     <result name="success">/registerSuccess.jsp</result> 
     <result name="fail">/registerFail.jsp</result> 
     <allowed-methods>add</allowed-methods> 
    </action>   
</package> 
</struts> 

beens.xml Code:

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:context="http://www.springframework.org/schema/context" 
xmlns:aop="http://www.springframework.org/schema/aop" 
xmlns:tx="http://www.springframework.org/schema/tx" 
xsi:schemaLocation="http://www.springframework.org/schema/beans 
     http://www.springframework.org/schema/beans/spring-beans.xsd 
     http://www.springframework.org/schema/context 
     http://www.springframework.org/schema/context/spring-context.xsd 
     http://www.springframework.org/schema/aop 
     http://www.springframework.org/schema/aop/spring-aop.xsd 
     http://www.springframework.org/schema/tx 
     http://www.springframework.org/schema/tx/spring-tx.xsd"> 
<context:annotation-config /> 
<context:component-scan base-package="com.diyuan" /> 
<!-- 
    <bean id="dataSource" 
    class="org.apache.commons.dbcp.BasicDataSource" 
    destroy-method="close"> 
    <property name="driverClassName" value="com.mysql.jdbc.Driver" /> 
    <property name="url" value="jdbc:mysql://localhost:3306/spring" /> 
    <property name="username" value="root" /> 
    <property name="password" value="bjsxt" /> 
    </bean> 
--> 
<bean  class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> 
    <property name="locations"> 
     <value>classpath:jdbc.properties</value> 
    </property> 
</bean> 
<bean id="dataSource" destroy-method="close" 
    class="org.apache.commons.dbcp2.BasicDataSource"> 
    <property name="driverClassName" 
     value="${jdbc.driverClassName}" /> 
    <property name="url" value="${jdbc.url}" /> 
    <property name="username" value="${jdbc.username}" /> 
    <property name="password" value="${jdbc.password}" /> 
</bean> 
<bean id="sessionFactory" 
    class="org.springframework.orm.hibernate5.LocalSessionFactoryBean"> 
    <property name="dataSource" ref="dataSource" /> 
    <!-- 
    <property name="annotatedClasses"> 
     <list> 
      <value>com.bjsxt.model.User</value> 
      <value>com.bjsxt.model.Log</value> 
     </list> 
    </property> 
    --> 
    <property name="packagesToScan"> 
     <list> 
      <value>com.diyuan.integration.model</value>    
     </list> 
    </property> 
    <property name="hibernateProperties"> 
     <value> 
      org.hibernate.dialect.MySQL5Dialect 
     </value>    
    </property> 
</bean> 
<!-- 
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate5.HibernateTemplate"> 
    <property name="sessionFactory" ref="sessionFactory"></property> 
</bean> 
--> 
<bean id="txManager"  class="org.springframework.orm.hibernate5.HibernateTransactionManager"> 
    <property name="sessionFactory" ref="sessionFactory" /> 
</bean>  
<bean id="userDao" class="com.diyuan.integration.dao.impl.UserDaoImpl"> 
    <property name="sessionFactory" ref="sessionFactory"/> 
</bean> 
<bean id="userManager" class="com.diyuan.integration.service.impl.UserManagerImpl"> 
    <property name="userDao" ref="userDao"/> 
</bean> 
<bean id="userAction" class="com.diyuan.integration.action.UserAction" scope="prototype"> 
    <property name="um" ref="userManager"/> 
</bean> 

Aktionscode:

package com.diyuan.integration.action; 
import javax.annotation.Resource; 
import org.springframework.context.ApplicationContext; 
import org.springframework.context.annotation.Scope; 
import  org.springframework.context.support.ClassPathXmlApplicationContext; 
import org.springframework.stereotype.Component; 
import com.diyuan.integration.model.User; 
import com.diyuan.integration.service.UserManager; 
import com.opensymphony.xwork2.ActionSupport; 
public class UserAction extends ActionSupport { 
    private String username; 
    private String password; 
    private String password2; 
    private UserManager um; 
    public UserManager getUm() { 
    return um; 
} 
public void setUm(UserManager um) { 
    this.um = um; 
} 
@Override 
public String execute() throws Exception { 
    User u = new User(); 
    u.setUsername(username); 
    u.setPassword(password);   
    if(um.exists(u)) {   
     return "fail"; 
    } 
    um.add(u);  
    return "success"; 
} 
public String getUsername() { 
    return username; 
} 
public void setUsername(String username) { 
    this.username = username; 
} 
public String getPassword() { 
    return password; 
} 

public void setPassword(String password) { 
    this.password = password; 
} 

public String getPassword2() { 
    return password2; 
} 
public void setPassword2(String password2) { 
    this.password2 = password2; 
} 

}

Answer 1

Heute, überprüfe ich meinen Code wieder, und en-Fehlercode in register.jsp Seite Code wie folgt gefunden:

<body> 
<form method="post" action="user.Action"> 
    UserName:<input type="text" name="username"><br> 
    Password:<input type="text" name="password"><br> 
    Password2:<input type="password" name="password2"><br> 
    <input type="submit" value="Login"/> 
</form>  

Ändern Sie den Großbuchstaben "user.Action" in Kleinbuchstaben "user.action", dann kann die Aktion struts funktionieren.

<body> 
<form method="post" action="user.action"> 
    UserName:<input type="text" name="username"><br> 
    Password:<input type="text" name="password"><br> 
    Password2:<input type="password" name="password2"><br> 
    <input type="submit" value="Login"/> 
</form>