概述:本文将介绍SSH框架的简单整合过程,并实现用户的登录和注册
(1)先放两张图
SSH,SSM,SringBoot百度指数
(2)g**近三个月趋势比较
(2)SSH版本说明
Spring:5.1.5.RELEASE
Struts2:2.5.20
Hibernate:5.4.2.Final
MySQL:5.1.47
c3p0:0.9.5.4
1、创建maven项目
(1)按照java MVC模型创建项目
项目结构如图:
(2)引入boostrap前端框架
2、pom.xml依赖
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<spring.version>5.1.5.RELEASE</spring.version>
<struts2.version>2.5.20</struts2.version>
<hibernate.version>5.4.2.Final</hibernate.version>
<mysql.version>5.1.47</mysql.version>
<log4j2.version>2.11.2</log4j2.version>
</properties>
<dependencies>
<!--spring-core-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<!--spring-web-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- pring-orm-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<!--struts2-spring-plugin-->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
<version>${struts2.version}</version>
</dependency>
<!--struts2-core-->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>${struts2.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<!--mysql-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<!--javax.servlet-api-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.1.0</version>
</dependency>
<!--aspectj-->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.9.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>${log4j2.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
</dependencies>
3、web.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="4.0" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd">
<display-name>Archetype Created Web Application</display-name>
<!-- struts2 filter-->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>packages</param-name>
<param-value>/static/**</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--spring listener-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--spring configLocation path-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
</web-app>
4、applicationContext.xml配置
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd">
<!-- 开启包扫描,并注册注解 -->
<context:component-scan base-package="com.inspur.*"/>
<!-- 引入属性文件 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置C3P0连接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<!-- 数据库连接相关信息 -->
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="driverClass" value="${jdbc.driverClass}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!-- 配置Hibernate的SessionFactory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<!-- 注入连接池 -->
<property name="dataSource" ref="dataSource"/>
<!-- 配置Hibernate属性 -->
<property name="hibernateProperties">
<props>
<prop key="hibernate.show_sql">true</prop><!-- 是否展示SQL -->
<prop key="hibernate.hbm2ddl.auto">update</prop><!-- 是否自动创建表结构 -->
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
<prop key="hibernate.connection.url">jdbc:mysql://localhost:3306/ssh</prop>
<prop key="hibernate.connection.driver_class">com.mysql.jdbc.Driver</prop>
</props>
</property>
<!-- 扫描并加载注解过的实体类 -->
<property name="packagesToScan" value="com.inspur.model"/>
</bean>
<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<!-- 注入SessionFactory -->
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- 配置事务增强 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!-- 配置需要进行事务管理的方法,和事务传播行为 -->
<tx:method name="save*" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED"/>
<tx:method name="delete*" propagation="REQUIRED"/>
</tx:attributes>
</tx:advice>
<!-- 配置切面 -->
<aop:config>
<!-- 配置切入点 com.inspur.*.service.*+.*(..)
* com.inspur.service.*+.*(..)
*:表示方法的作用域,*表示所有
com.inspur.service.*:表示com.inspur.service下的任何包
com.inspur.service.*+:表示com.inspur.service下的任何包及其子包
*(..):*表示任何方法,(..)表示方法的任何参数
-->
<aop:pointcut id="pointcut" expression="execution(* com.inspur.service.*+.*(..))"/>
<!-- 适配切入点和事务增强 -->
<aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut"/>
</aop:config>
</beans>
5、jdbc.properties配置
jdbc.url=jdbc:mysql://localhost:3306/ssh?useSSL=true&characterEncoding=UTF-8
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.username=root
jdbc.password=root
6、log4j.properties配置
log4j.rootCategory=debug, console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %5p %t %c{2}:%L - %m%n
7、struts.xml配置
<?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>
<constant name="struts.devMode" value="true"/>
<constant name="struts.action.excludePattern" value="/static/.*?" />
<!-- 默认访问页面 -->
<package name="default" extends="struts-default" namespace="/">
<default-action-ref name="default"/>
<action name="default">
<result>/index.jsp</result>
</action>
</package>
<!-- 请求转发 -->
<!-- Struts2在2.5版本后添加strict-method-invocation(严格方法访问),默认为true,不能使用动态方法调用功能,故需设为false -->
<package name="user" extends="struts-default" strict-method-invocation="false" namespace="/">
<action name="login" class="com.inspur.action.UserAction" method="login">
<result name="success">/WEB-INF/views/main.jsp</result>
<result name="error">/jsp/login.jsp</result>
</action>
<action name="logout" class="com.inspur.action.UserAction" method="logout">
<result name="index" type="redirect">/index.jsp</result>
</action>
<action name="user_*" class="com.inspur.action.UserAction" method="{1}User">
<result name="success">/jsp/login.jsp</result>
<result name="error">/jsp/register.jsp</result>
</action>
</package>
<package name="system" extends="struts-default" namespace="/" strict-method-invocation="false">
<interceptors>
<interceptor name="LoginInterceptor" class="com.inspur.interceptor.LoginInterceptor"></interceptor>
<interceptor-stack name="loginStack">
<interceptor-ref name="LoginInterceptor"></interceptor-ref>
<interceptor-ref name="defaultStack"></interceptor-ref>
</interceptor-stack>
</interceptors>
<default-interceptor-ref name="loginStack"></default-interceptor-ref>
<global-results>
<result name="toLogin" type="redirect">/jsp/login.jsp</result>
</global-results>
<action name="emp" class="com.inspur.action.UserAction" method="empList">
<result name="success">/WEB-INF/views/emp.jsp</result>
<result name="index">/jsp/login.jsp</result>
</action>
</package>
</struts>
8、实现代码
(1)用户实体类
User.java
package com.inspur.model;
import javax.persistence.*;
@Entity
@Table(name = "user",schema = "ssh",catalog = "")
public class User {
private Integer id;
private String username;
private String password;
private String phone;
private String email;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
-----------Getter and Setter------------
}
(2)Dao层
UserDao.java
public interface UserDao {
List<User> findUserByUserNameAndPassword(User user);
void saveUser(User user);
}
UserDaoImpl.java
@Repository
@Transactional
public class UserDaoImpl implements UserDao {
private HibernateTemplate hbt;
@Autowired
public UserDaoImpl(SessionFactory sessionFactory) {
this.hbt = new HibernateTemplate(sessionFactory);
}
@Override
public List<User> findUserByUserNameAndPassword(User user) {
try {
DetachedCriteria criteria = DetachedCriteria.forClass(User.class);
criteria.add(Restrictions.eq("username",user.getUsername()));
criteria.add(Restrictions.eq("password", user.getPassword()));
List<User> users = (List<User>) hbt.findByCriteria(criteria);
return users;
}catch (Exception e){
System.out.println(e);
e.printStackTrace();
return null;
}
}
@Override
public void saveUser(User user) {
try {
hbt.save(user);
}catch (Exception e){
System.out.println(e);
}
}
}
(3)Service层
UserService.java
public interface UserService {
boolean findByUserNameAndPassword(User user);
void saveOrUpdate(User user);
}
UserServiceImpl.java
@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserDao userDao;
@Override
public boolean findByUserNameAndPassword(User user) {
return userDao.findUserByUserNameAndPassword(user).size()>0;
}
@Override
public void saveOrUpdate(User user) {
userDao.saveUser(user);
}
}
(4)Web层
UserAction.java
@Controller
public class UserAction extends ActionSupport {
@Autowired
private UserService userService;
private User user;
//登录
public String login() {
Map<String,Object> session= ActionContext.getContext().getSession();
if (session.size()!=0) {
System.out.println("用户已登录...");
return SUCCESS;
}
if (null==user) {
return ERROR;
}
if (userService.findByUserNameAndPassword(user)) {
ActionContext.getContext().getSession().put("user", user.getUsername());
return SUCCESS;
}
return ERROR;
}
//注册
public String saveUser() {
if (user != null) {
try {
userService.saveOrUpdate(user);
return SUCCESS;
}catch (Exception e){
System.out.println(e);
return ERROR;
}
}
return ERROR;
}
//登出
public String logout() {
Map<String,Object> session= ActionContext.getContext().getSession();
if (null!=session.get("user")){
session.remove("user");
}
return "index";
}
//展示用户列表
public String empList() {
Map<String,Object> session= ActionContext.getContext().getSession();
if (null!=session.get("user")){
return SUCCESS;
}
return "index";
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
}
9、注册页面展示