web.xml
<?xml version="1.0" encoding="UTF-8"?>
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
sshTest1
<!-- 配置Spring的监听器,用于初始化ApplicationContext对象 -->
org.springframework.web.context.ContextLoaderListener
contextConfigLocation
classpath:applicationContext*.xml
struts2
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
<!-- 自动扫描action -->
actionPackages
com.lovo
struts2
/*
login.jsp
applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd ">
<!--建立数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<!-- SQL Server数据驱动 -->
<property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver">
</property>
<!-- 数据库地址 -->
<property name="url"
value="jdbc:sqlserver://localhost:1433; DatabaseName=sshTest">
</property>
<property name="username" value="sa"></property>
<property name="password" value="123"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<!--配置Hibernate的方言-->
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
<!--格式化输出sql语句-->
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.use_sql_comments">false</prop>
</props>
</property>
<!--自动扫描实体 -->
<property name="packagesToScan" value="com.lovo.*" />
</bean>
<!-- 使用 annotation -->
<context:annotation-config />
<!-- 自动扫描与装配bean -->
<context:component-scan base-package="com.lovo"></context:component-scan>
<!-- 采用注释的方式配置 aop -->
<!-- 用注解来实现事务管理 -->
tx:attributes
/tx:attributes
/tx:advice
struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
"http://struts.apache.org/dtds/struts-2.1.dtd">
<constant name="struts.devMode" value="true" />
<!-- 将对象交给spring管理 -->
<constant name="struts.objectFactory" value="spring" />
<!-- 指定资源编码类型 -->
<constant name="struts.i18n.encoding" value="UTF-8" />
<!-- 指定每次请求到达,重新加载资源文件 -->
<constant name="struts.i18n.reload" value="false" />
<!-- 指定每次配置文件更改后,自动重新加载 -->
<constant name="struts.configuration.xml.reload" value="false" />
<!-- 默认后缀名 -->
<constant name="struts.action.extension" value="action," />
action
package com.lovo.action;
import javax.annotation.Resource;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.stereotype.Controller;
import com.lovo.bean.Emp;
import com.lovo.service.EmpService;
import com.opensymphony.xwork2.ActionSupport;
@Namespace("/")
@ParentPackage("struts-default")
@Controller
public class EmpAction extends ActionSupport {
@Resource()
public Emp emp ;
private EmpService empService ;
@ Action(value = "empAction", results = {
@Result(name = "success", location = "/index.jsp"),
@Result(name = "index", location = "/login.jsp")})
public String add() {
try {
empService.add(emp);
} catch (Exception e) {
e.printStackTrace();
return "index";
}
return "success";
}
public Emp getEmp() {
return emp;
}
public void setEmp(Emp emp) {
this.emp = emp;
}
public EmpService getEmpService() {
return empService;
}
public void setEmpService(EmpService empService) {
this.empService = empService;
}
}
bean
package com.lovo.bean;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity(name="t_emp")
public class Emp implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
@Column(name = "pk_name")
private String name;
@Column(name = "fk_age")
private int age;
public Emp(){}
public Emp(int id, String name, int age) {
super();
this.id = id;
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
dao
package com.lovo.dao;
import java.util.List;
import javax.annotation.Resource;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;
import com.lovo.bean.Emp;
@Repository("empDao")
public class EmpDao {
@Resource(name="sessionFactory")
private SessionFactory sessionFactory;
public void add(Emp emp){
Session session = sessionFactory.getCurrentSession();
session.save(emp);
}
public List findAll(){
return null;
}
public SessionFactory getSessionFactory() {
return sessionFactory;
}
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
}
package com.lovo.service;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.lovo.bean.Emp;
import com.lovo.dao.EmpDao;
@Service("empService")
@Transactional
public class EmpService {
@Resource(name="empDao")
private EmpDao empDao;
public EmpService(){}
public void add(Emp emp) {
empDao.add(emp);
}
public EmpDao getEmpDao() {
return empDao;
}
public void setEmpDao(EmpDao empDao) {
this.empDao = empDao;
}
}
action 访问server的时候,没有访问到server获取数据报空指针异常。
高手帮我看看哪里错了。 。。