本章使用到的知识点较多，直接上代码吧，注释写得很详细。
由于博客单个文件限制10M，所以将lib拆分成3个压缩包上传。请解压lib压缩包到项目的lib下即可运行。
lib列表：
antlr-2.7.7.jar
aopalliance-1.0.jar
asm-3.3.jar
asm-commons-3.3.jar
aspectjweaver.jar
commons-beanutils-1.8.0.jar
commons-collections-3.1.jar
commons-fileupload-1.3.1.jar
commons-io-2.2.jar
commons-lang-2.4.jar
commons-lang3-3.1.jar
commons-logging-1.1.3.jar
dom4j-1.6.1.jar
ehcache-core-2.4.3.jar
ezmorph-1.0.6.jar
freemarker-2.3.19.jar
hibernate-c3p0-4.3.5.Final.jar
hibernate-commons-annotations-4.0.4.Final.jar
hibernate-core-4.3.5.Final.jar
hibernate-ehcache-4.3.5.Final.jar
hibernate-jpa-2.1-api-1.0.0.Final.jar
jandex-1.1.0.Final.jar
javassist-3.18.1-GA.jar
jboss-logging-3.1.3.GA.jar
jboss-logging-annotations-1.2.0.Beta1.jar
jboss-transaction-api_1.2_spec-1.0.0.Final.jar
mchange-commons-java-0.2.3.4.jar
mysql-connector-java-3.1.12-bin.jar
ognl-3.0.6.jar
slf4j-api-1.6.1.jar
spring-aop-4.0.6.RELEASE.jar
spring-aspects-4.0.6.RELEASE.jar
spring-beans-4.0.6.RELEASE.jar
spring-context-4.0.6.RELEASE.jar
spring-context-support-4.0.6.RELEASE.jar
spring-core-4.0.6.RELEASE.jar
spring-expression-4.0.6.RELEASE.jar
spring-jdbc-4.0.6.RELEASE.jar
spring-orm-4.0.6.RELEASE.jar
spring-tx-4.0.6.RELEASE.jar
spring-web-4.0.6.RELEASE.jar
spring-webmvc-4.0.6.RELEASE.jar
struts2-core-2.3.16.3.jar
struts2-spring-plugin-2.3.16.3.jar
xwork-core-2.3.16.3.jar
applicationContext.xml
com.fx.entity
hibernate.cfg.xml
org.hibernate.dialect.MySQL5Dialect true update
struts.xml
/success.jsp
/index.jsp
User.java
package com.fx.entity;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import org.hibernate.annotations.GenericGenerator;
@Entity
@Table(name="t_user")
public class User {
private Integer id;
private String userName;
private String password;
@Id
@GenericGenerator(name = "generator", strategy = "native")
@GeneratedValue(generator = "generator")
@Column(name = "id", length=11)
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
@Column(name = "userName", length = 20)
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
@Column(name = "password", length = 20)
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
BaseDao.java
package com.fx.dao; import java.io.Serializable; import java.util.List; /** * 基础数据库操作类 * */ public interface BaseDao{ /** * 保存一个对象 * * @param o * @return */ public Serializable save(T o); /** * 删除一个对象 * * @param o */ public void delete(T o); /** * 更新一个对象 * * @param o */ public void update(T o); /** * 保存或更新对象 * * @param o */ public void saveOrUpdate(T o); /** * 查询 * * @param hql * @return */ public List find(String hql); /** * 查询集合 * * @param hql * @param param * @return */ public List find(String hql, Object[] param); /** * 查询集合 * * @param hql * @param param * @return */ public List find(String hql, List
BaseDaOImpl.java
package com.fx.dao.impl;
import java.io.Serializable;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.fx.dao.BaseDao;
@Repository("baseDao")
@SuppressWarnings("all")
public class BaseDaOImpl implements BaseDao {
private SessionFactory sessionFactory;
public SessionFactory getSessionFactory() {
return sessionFactory;
}
@Autowired
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
private Session getCurrentSession() {
return sessionFactory.getCurrentSession();
}
public Serializable save(T o) {
return this.getCurrentSession().save(o);
}
public void delete(T o) {
this.getCurrentSession().delete(o);
}
public void update(T o) {
this.getCurrentSession().update(o);
}
public void saveOrUpdate(T o) {
this.getCurrentSession().saveOrUpdate(o);
}
public List find(String hql) {
return this.getCurrentSession().createQuery(hql).list();
}
public List find(String hql, Object[] param) {
Query q = this.getCurrentSession().createQuery(hql);
if (param != null && param.length > 0) {
for (int i = 0; i < param.length; i++) {
q.setParameter(i, param[i]);
}
}
return q.list();
}
public List find(String hql, List
UserService.java
package com.fx.service;
import java.util.List;
import com.fx.entity.User;
public interface UserService {
public void saveUser(User user);
public void updateUser(User user);
public User findUserById(int id);
public void deleteUser(User user);
public List findAllList();
public User findUserByNameAndPassword(User user);
}
UserServiceImpl.java
package com.fx.service.impl;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.fx.dao.BaseDao;
import com.fx.entity.User;
import com.fx.service.UserService;
@Service("userService")
public class UserServiceImpl implements UserService{
@Resource
private BaseDao baseDao;
@Override
public void saveUser(User user) {
// TODO Auto-generated method stub
baseDao.save(user);
}
@Override
public void updateUser(User user) {
// TODO Auto-generated method stub
baseDao.update(user);
}
@Override
public User findUserById(int id) {
return baseDao.get(User.class, id);
}
@Override
public void deleteUser(User user) {
baseDao.delete(user);
}
@Override
public List findAllList() {
return baseDao.find("from User");
}
@Override
public User findUserByNameAndPassword(User user) {
return baseDao.get("from User u where u.userName=? and u.password=?", new Object[]{user.getUserName(),user.getPassword()});
}
}
UserAction.java
package com.fx.action;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.springframework.stereotype.Controller;
import com.fx.entity.User;
import com.fx.service.UserService;
import com.opensymphony.xwork2.ActionSupport;
@Controller
public class UserAction extends ActionSupport implements ServletRequestAware {
/**
*
*/
private static final long serialVersionUID = 1L;
private HttpServletRequest request;
@Resource
private UserService userService;
private User user;
private String error;
public String login() throws Exception {
HttpSession session = request.getSession();
User currentUser = userService.findUserByNameAndPassword(user);
if (currentUser != null) {
session.setAttribute("currentUser", currentUser);
return SUCCESS;
} else {
error = "用后名或者密码错误！";
return ERROR;
}
}
@Override
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String getError() {
return error;
}
public void setError(String error) {
this.error = error;
}
}