<本文摘要他人>

1、设计数据库：设计好表结构，最好符合3NF，采用Hibernate tools将设计好的表自动生成对应的实体entity。

1、创建Maven项目，按需映入Maven包依赖。

2、搭建Spring：配置Spring对控件层Bean的注入。

3、搭建Hibernate：配置数据源，配置SessionFactory，配置事务，以及二级缓存ehcache的配置。

4、测试Spring+Hibernate的框架搭建，写单元测试JUnit，测试事务配置等。

5、映入SpringMVC：配置SpringMVC配置信息。

6、配置web.xml容器

7、测试三个框架的整合：Maven编译打包部署服务器，测试。

1、数据库设计

2、创建Maven项目，编写pom.xml文件

pom.xml文件内容如下:  如果war错误，可能是缺少 web.xml 文件，如果文件头异常，（检查相关maven配置）

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.andy.sh</groupId>
<artifactId>springmvc_hibernate_demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>

<name>springmvc_hibernate_demo Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.1.4.RELEASE</spring.version>
<hibernate.version>4.3.8.Final</hibernate.version>
<jackson.version>2.5.0</jackson.version>
</properties>

<dependencies>

<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>

<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>

<!-- 使用SpringMVC需配置 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>

<!-- 关系型数据库整合时需配置 如hibernate jpa等 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>

<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
<version>${hibernate.version}</version>
</dependency>

<!-- 二级缓存ehcache -->
<dependency>
<groupId>net.sf.ehcache</groupId>
<artifactId>ehcache</artifactId>
<version>2.9.0</version>
</dependency>

<!-- log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>

<!-- mysql连接 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>

<!-- c3p0数据源 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5-pre10</version>
</dependency>

<!-- json -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.3</version>
</dependency>

<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>

<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson.version}</version>
</dependency>

<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>

<!-- aop -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.4</version>
</dependency>

<!-- servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
<scope>provided</scope>
</dependency>

<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>

</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>8.1.15.v20140411</version>
<configuration>
<stopKey>jetty</stopKey>
<stopPort>9358</stopPort>
<scanIntervalSeconds>0</scanIntervalSeconds>
<webAppSourceDirectory>src/main/webapp</webAppSourceDirectory>
<contextXml>${project.basedir}/src/test/resources/jetty-context.xml</contextXml>
<webApp>
<contextPath>/</contextPath>
<tempDirectory>${project.build.directory}/work</tempDirectory>
</webApp>
<connectors>
<connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector">
<port>9258</port>
<maxIdleTime>60000</maxIdleTime>
<useDirectBuffers>false</useDirectBuffers><!-- 默认值是true，true时会导致在jetty运行时js文件不能修改 -->
</connector>
</connectors>
</configuration>
</plugin>

<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<hostName>localhost</hostName>
<port>320</port>
<path>/</path>
<charset>UTF-8</charset>
<uriEncoding>UTF-8</uriEncoding>
<finalName>${project.artifactId}</finalName>
<maxPostSize>0</maxPostSize>
<server>tomcat7</server>
<contextReloadable>true</contextReloadable>
<warSourceDirectory>${project.build.directory}/${project.build.finalName}</warSourceDirectory>
</configuration>
</plugin>
</plugins>
<finalName>${project.artifactId}</finalName>
</build>
</project>

3、引入Spring配置

编写配置文件，配置文件放在src/main/resources资源目录下（下同）。

项目所需的配置信息config.properties

jdbc.driver = com.mysql.jdbc.Driver
jdbc.url = jdbc:mysql://192.168.178.60:3306/demo?useUnicode=true&characterEncoding=utf-8
jdbc.username = root
jdbc.password = 123456

#hibernate config
hibernate.dialect = org.hibernate.dialect.MySQLDialect
hibernate.show_sql = true
hibernate.format_sql = false
hibernate.hbm2ddl.auto = update
hibernate.cache.use_second_level_cache = true
hibernate.cache.use_query_cache = true
hibernate.cache.region.factory_class = org.hibernate.cache.ehcache.EhCacheRegionFactory
hibernate.cache.provider_configuration_file_resource_path = ehcache.xml

3.1、spring配置

spring.xml的配置文件如下：

<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.1.xsd">
<!-- 加载配置文件 -->

<context:property-placeholder location="classpath:config.properties"/>
<!-- 扫描service自动注入为bean -->
<context:component-scan base-package="com.service.impl,com.dao.impl" />

</beans>

上面spring配置了对应包下组件bean自动注入管理，我们需要将dao,service的实现类交由spring管理，如（@Repository，@Service）。

3.2、引入日志文件配置Log4j

log4j.properties的配置文件如下：

log4j.rootLogger = INFO , C , D , E

### console ###
log4j.appender.C = org.apache.log4j.ConsoleAppender
log4j.appender.C.Target = System.out
log4j.appender.C.layout = org.apache.log4j.PatternLayout
log4j.appender.C.layout.ConversionPattern = [springmvc_hibernate_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n

### log file ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = ../logs/springmvc_hibernate_demo.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = INFO
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = [springmvc_hibernate_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n

### exception ###
log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
log4j.appender.E.File = ../logs/springmvc_hibernate_demo_error.log
log4j.appender.E.Append = true
log4j.appender.E.Threshold = ERROR
log4j.appender.E.layout = org.apache.log4j.PatternLayout
log4j.appender.E.layout.ConversionPattern = [sspringmvc_hibernate_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n

4、Hibernate配置

Hibernate的配置主要包括：配置数据源c3p0，配置SessionFactory，配置事务管理器，配置事务管理，其spring-hibernate.xml文件如下：

<?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: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-4.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.1.xsd">

<!-- 配置数据源 c3p0 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="${jdbc.driver}" />
<property name="jdbcUrl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />

<!-- 请求超时时间 -->
<property name="checkoutTimeout" value="30000" />
<!-- 每60秒检查所有连接池中的空闲连接。默认值: 0，不检查 -->
<property name="idleConnectionTestPeriod" value="30" />
<!-- 连接数据库连接池最大空闲时间 -->
<property name="maxIdleTime" value="30" />
<!-- 连接池初始化连接数 -->
<property name="initialPoolSize" value="5" />
<property name="minPoolSize" value="5" />
<property name="maxPoolSize" value="20" />
<!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。默认值: 3 -->
<property name="acquireIncrement" value="5" />
</bean>

<!-- 配置hibernate的SessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<!-- 注入数据源 相关信息看源码 -->
<property name="dataSource" ref="dataSource" />
<!-- hibernate配置信息 -->
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>

<!-- 开启二级缓存 ehcache -->
<prop key="hibernate.cache.use_second_level_cache">${hibernate.cache.use_second_level_cache}</prop>
<prop key="hibernate.cache.use_query_cache">${hibernate.cache.use_query_cache}</prop>
<prop key="hibernate.cache.region.factory_class">${hibernate.cache.region.factory_class}</prop>
<prop key="hibernate.cache.provider_configuration_file_resource_path">${hibernate.cache.provider_configuration_file_resource_path}
</prop>
</props>
</property>
<!-- 扫描hibernate注解配置的entity -->
<property name="packagesToScan" value="com.entity" />
</bean>

<!-- 配置事务管理器 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>

<!-- 配置事务增强处理Bean，指定事务管理器 -->
<tx:advice id="transactionAdvice" transaction-manager="transactionManager">
<!-- 配置详细事务处理语义 -->
<tx:attributes>
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />

<tx:method name="get*" propagation="SUPPORTS" read-only="true" />
<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
<tx:method name="select*" propagation="SUPPORTS" read-only="true" />
<tx:method name="load*" propagation="SUPPORTS" read-only="true" />

<!-- 其他采用默认事务方式 -->
<tx:method name="*" />

</tx:attributes>
</tx:advice>

<!-- Spring aop事务管理 -->
<aop:config>
<!-- 配置切入点 -->
<aop:pointcut id="transactionPointcut"
expression="execution(* com.service..*Impl.*(..))" />
<!-- 指定在txAdvice切入点应用txAdvice事务增强处理 -->
<aop:advisor pointcut-ref="transactionPointcut"
advice-ref="transactionAdvice" />
</aop:config>

</beans>

上面配置了二级缓存，ehcache，相关的具体信息查看上一篇Hibernate二级缓存以及ehcache的搭建配置，下面是二级缓存的配置。

4.1、ehcache.xml的配置

<?xml version="1.0" encoding="UTF-8"?>
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../config/ehcache.xsd">
<diskStore path="D:/ehcache" />
<!-- DefaultCache setting. -->
<defaultCache
maxElementsInMemory="1000"
eternal="false"
timeToIdleSeconds="120"
timeToLiveSeconds="120"
maxElementsOnDisk="1000000"
overflowToDisk="true"
memoryStoreEvictionPolicy="LRU">

</defaultCache>

<!-- Special objects setting. -->

<cache
name="org.andy.work.entity.AcctUser"
maxElementsInMemory="2"
memoryStoreEvictionPolicy="LRU"
eternal="true"
diskPersistent="false"
overflowToDisk="false"
maxElementsOnDisk="1000000" />

</ehcache>

上面Hibernate二级缓存ehcache存放磁盘是D:/ehcache

5、生成业务entity实体

设计好数据表后，Hibernate的实体有工具Hibernate tools自动生成，Eclipse需要安装Hibernate tools插件（我在线安装过几次都不成功，推荐使用links离线安装，附录将介绍），所以不需要手工的书写，下面就贴一个用户信息的实体，AcctUser.java

package com.entity;

import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;

/**
* AcctUser generated by hbm2java
*/
@Entity
@Table(name = "acct_user")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class AcctUser implements java.io.Serializable {

/**
*
*/
private static final long serialVersionUID = 6980093847795726310L;

private String id;
private String nickName;
private String telephone;
private Date registerTime;

public AcctUser() {

}

public AcctUser(String id, String nickName) {
this.id = id;
this.nickName = nickName;
}

@Id
@Column(name = "id", unique = true, nullable = false, length = 36)
public String getId() {
return this.id;
}

public void setId(String id) {
this.id = id;
}

@Column(name = "nick_name", nullable = false)
public String getNickName() {
return this.nickName;
}

public void setNickName(String nickName) {
this.nickName = nickName;
}

@Column(name = "telephone")
public String getTelephone() {
return this.telephone;
}

public void setTelephone(String telephone) {
this.telephone = telephone;
}

@Temporal(TemporalType.TIMESTAMP)
@Column(name = "register_time", length = 19)
public Date getRegisterTime() {
return this.registerTime;
}

public void setRegisterTime(Date registerTime) {
this.registerTime = registerTime;
}

}

6、创建Dao层

接口自己处理

package com.dao.impl;

import java.util.List;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import com.dao.UserDao;
import com.entity.AcctUser;
@Repository("userDao")
public class UserDaoImpl implements UserDao {
@Autowired
private SessionFactory sessionFactory;

private Session getCurrentSession() {
return this.sessionFactory.getCurrentSession();
}

public AcctUser load(String id) {
return (AcctUser) this.getCurrentSession().load(AcctUser.class, id);
}

public AcctUser get(String id) {
return (AcctUser) this.getCurrentSession().get(AcctUser.class, id);
}

@SuppressWarnings("unchecked")
public List<AcctUser> findAll() {
List<AcctUser> acctUsers = this.getCurrentSession().createQuery("from AcctUser").setCacheable(true).list();
return acctUsers;
}

public void delete(String id) {
AcctUser entity = this.load(id);
this.getCurrentSession().delete(entity);
}

public void flush() {
this.getCurrentSession().flush();

}

public String save(AcctUser entity) {
return (String) this.getCurrentSession().save(entity);
}

}

7、创建Service层

package com.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.dao.UserDao;
import com.entity.AcctUser;
import com.service.UserService;

@Service("userService")
public class UserServiceImpl implements UserService {

@Autowired
private UserDao userDao;

public AcctUser load(String id) {
return userDao.load(id);
}

public AcctUser get(String id) {
return userDao.get(id);
}

public List<AcctUser> findAll() {
return userDao.findAll();
}

public void delete(String id) {
userDao.delete(id);
}

public void flush() {
userDao.flush();
}

public String save(AcctUser entity) {
return userDao.save(entity);
}

}

8、测试Spring和Hibernate的整合

我们可以在src/test/java编写测试类，测试上面的配置，如果测试成功已经基本大功告成。

package springmvc_hibernate_demo;

import java.util.Date;
import java.util.UUID;

import org.apache.log4j.Logger;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.alibaba.fastjson.JSON;

import com.entity.AcctUser;
import com.service.UserService;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:spring.xml",
"classpath:spring-hibernate.xml" })
public class TestUserService {
private static final Logger LOGGER = Logger
.getLogger(TestUserService.class);
@Autowired
private UserService userService;

@Test
public void save() {
AcctUser acctUser = new AcctUser();
acctUser.setId(UUID.randomUUID().toString());
acctUser.setNickName("andy");
acctUser.setRegisterTime(new Date());
acctUser.setTelephone("13022221111");
String id = userService.save(acctUser);
LOGGER.info(JSON.toJSONString(id));
}
}

9、引入SpringMVC

添加spring-mvc.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">

<!-- 自动扫描@Controller注入为bean -->
<context:component-scan base-package="com.controller" />

<!-- 以下为SpringMVC配置 -->
<mvc:annotation-driven>
<!-- 返回json数据，@response使用 -->
<mvc:message-converters register-defaults="true">
<bean
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>

</bean>
</mvc:message-converters>
</mvc:annotation-driven>

<!-- 对模型视图名称的解析，即在模型视图名称添加前后缀 -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/views" />
<property name="suffix" value=".jsp" />
</bean>

</beans>

上面配置了包扫描Controller，[email protected]��，和视图层的配置。

10、配置web.xml容器

web容器是web项目的大脑，所以web容器，首先需要引入spring，让spring管理各个框架，并将其注入为bean。然后配置控制层的filter信息。并且配置了springmvc拦截的url为以.hmls结尾的请求。

web.xml文件如下：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
<display-name>springmvc_hibernate_demo</display-name>

<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml,classpath:spring-hibernate.xml</param-value>
</context-param>

<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<!-- openSessionInView配置 作用是延迟session关闭到view层 -->
<filter>
<filter-name>openSessionInViewFilter</filter-name>
<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>singleSession</param-name>
<param-value>true</param-value>
</init-param>
</filter>

<!-- 监听servletContext，启动contextConfigLocation中的spring配置信息 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<!-- 防止spring内存溢出监听器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>

<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!-- 此处配置的是SpringMVC的配置文件 -->
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>*.htmls</url-pattern>
</servlet-mapping>

<filter-mapping>
<filter-name>openSessionInViewFilter</filter-name>
<url-pattern>*.htmls</url-pattern>
</filter-mapping>

<!-- 配置session超时时间，单位分钟 -->
<session-config>
<session-timeout>30</session-timeout>
</session-config>

<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>

11、创建控制层Controller

控制层UserController

package com.controller;

import java.util.List;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.entity.AcctUser;
import com.service.UserService;
@Controller
public class UserController {

private static final Logger LOGGER = Logger.getLogger(UserController.class);

@Autowired
private UserService userService;

@RequestMapping("/showInfo/{userId}")
public String showUserInfo(ModelMap modelMap, @PathVariable String userId){
LOGGER.info("查询用户：" + userId);
AcctUser userInfo = userService.load(userId);
modelMap.addAttribute("userInfo", userInfo);
return "/user/showInfo";
}

@RequestMapping("/showInfos")
public @ResponseBody List<AcctUser> showUserInfos(){
LOGGER.info("查询用户全部用户");
List<AcctUser> userInfos = userService.findAll();
return userInfos;
}
}

接下来。访问测试咯！！！！只是简单记录下，可能有些没有考虑周全

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