基於spring+springmvc+hibernate的maven專案搭建
1.新建一個maven專案
(1)選擇工作區間
(2)選擇maven-archetype-webapp
(3)輸入Group id(包名的字首)和Artifact Id(專案名),然後finish
(4)完成上面的步驟,專案的目錄如下:
(5)修改Dynamic Web Module和java的版本
(有人可能不理解這個Dynamic Web Module,其實就是:java的web系統有多種型別,比如靜態的和動態的,然後動態的java web project要設定dynamic web module,也就是動態網頁模型,他必須要和對應的伺服器搭配好了才能跑,版本對應如下
dynamic web module 2.4 對應Tomcat 5.5
dynamic web module 2.5 對應Tomcat 6.0
dynamic web module 3.0 對應Tomcat 7.0或更高)
2.配置3個xml檔案
web.xml
web.xml主要配置:ContextLoaderListener和DispatcherServer,程式碼如下:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" >
<!-- 配置web.xml,使其具有springmvc特性,主要配置兩處,一個是ContextLoaderListener,一個是DispatcherServlet -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- 配置ContextLoaderListener表示,該工程要以spring的方式啟動。啟動時會預設在/WEB-INF目錄下查詢applicationContext.xml
作為spring容器的配置檔案,該檔案裡可以初始化一些bean -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<filter>
<filter-name>SpringOpenSessionInViewFilter</filter-name>
<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>SpringOpenSessionInViewFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 字符集過濾器 -->
<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>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- spring mvc 配置 -->
<!-- 配置DispatcherServlet表示,該工程將採用springmvc的方式。啟動時也會預設在/WEB-INF目錄下查詢XXX-servlet.xml作為配置檔案,
XXX就是DispatcherServlet的名字,該檔案中將配置兩項重要的mvc特性:HandlerMapping,負責為DispatcherServlet這個前端控制器的請求查詢Controller;
ViewResolver,負責為DispatcherServlet查詢ModelAndView的檢視解析器。
此處使用指定的配置檔案spring-mvc.xml -->
<servlet>
<servlet-name>contacts</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!--<param-value>/WEB-INF/classes/spring-mvc-servlet.xml</param-value>-->
<param-value>classpath*:/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>contacts</servlet-name>
<url-pattern>*.htm</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
applicationContext.xml
配置ContextLoaderListener表示,該工程要以spring的方式啟動。啟動時會預設在/WEB-INF目錄下查詢 applicationContext.xml作為spring容器的配置檔案,這裡可以初始化一些bean,如DataSource等。程式碼如下:
<?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"
xmlns:p="http://www.springframework.org/schema/p" 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-3.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<context:component-scan base-package="ssh.demo"></context:component-scan>
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:database.properties</value>
</list>
</property>
</bean>
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<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>
<!-- Hibernate session factory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="packagesToScan">
<list>
<value>ssh.demo</value>
</list>
</property>
<!--
<property name="mappingLocations">
<list>
<value>classpath:**/*.hbm.xml</value>
</list>
</property>
-->
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<!-- <prop key="hibernate.hbm2ddl.auto">update</prop> -->
<prop key="hibernate.current_session_context_class">
org.springframework.orm.hibernate4.SpringSessionContext
</prop>
<prop key="hibernate.jdbc.batch_size">50</prop>
<prop key="hibernate.enable_lazy_load_no_trans">true</prop>
</props>
</property>
</bean>
<!-- 例項化jdbcTemplate,同時注入資料來源 -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"
p:dataSource-ref="dataSource" />
<!-- 配置事務管理器 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 事務掃描開始(開啟@Tranctional) -->
<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>
</beans>
spring-mvc.xml
<?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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd"
default-lazy-init="true">
<!-- 此行語句使得resource autowired 等四個註解可以使用 -->
<context:annotation-config />
<context:component-scan base-package="ssh.demo" >
</context:component-scan>
</beans>
3.新增必須的包依賴到pom.xml
pom.xml
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ssh.demo</groupId>
<artifactId>ssh_Demo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>ssh_Demo Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- <spring.ver>4.1.8.RELEASE</spring.ver> -->
<spring.ver>4.2.5.RELEASE</spring.ver>
<hibernate.ver>4.3.11.Final</hibernate.ver>
<hibernate.common.anno.ver>5.0.0.Final</hibernate.common.anno.ver>
<hibernate.validator.ver>5.1.3.Final</hibernate.validator.ver>
<mysql.connector.ver>5.1.36</mysql.connector.ver>
<aspectj.ver>1.8.6</aspectj.ver>
<jackson.ver>2.6.4</jackson.ver>
<commons-file.ver>1.3.1</commons-file.ver>
<common.csv.ver>1.2</common.csv.ver>
<reflection.ver>0.9.10</reflection.ver>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.ver}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.ver}</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.6.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.ver}</version>
<scope>test</scope>
</dependency>
<!-- json config section -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.ver}</version>
</dependency>
<!-- spring configure section -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.ver}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.ver}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.ver}</version>
</dependency>
<!-- AspectJ -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${aspectj.ver}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${aspectj.ver}</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${commons-file.ver}</version>
</dependency>
<!-- hibernate configure section -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>${hibernate.validator.ver}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.ver}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.ver}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-c3p0</artifactId>
<version>${hibernate.ver}</version>
</dependency>
<dependency>
<groupId>org.hibernate.common</groupId>
<artifactId>hibernate-commons-annotations</artifactId>
<version>${hibernate.common.anno.ver}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.connector.ver}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-csv</artifactId>
<version>${common.csv.ver}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.4.3</version>
</dependency>
</dependencies>
<build>
<finalName>ssh_Demo</finalName>
</build>
</project>
4.寫一個簡單的新增功能驗證專案
User.java
package ssh.demo.domain;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity
public class User {
@Id @GeneratedValue(strategy=GenerationType.AUTO)
private int id;
private String 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;
}
@Override
public String toString() {
return "User:[id="+id+",name="+name+"]";
}
}
UserDao.java
package ssh.demo.dao;
import javax.transaction.Transactional;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Restrictions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import ssh.demo.domain.User;
@Repository
public class UserDao {
@Autowired
private SessionFactory sessionFactory;
public Session getCurrentSession(){
return sessionFactory.getCurrentSession();
}
public void save(User u){
getCurrentSession().save(u);
}
public User getByName(String name){
return (User) getCurrentSession().createCriteria(User.class)
.add(Restrictions.eq("name", name)).uniqueResult();
}
public User getById(int id){
return (User) getCurrentSession().createCriteria(User.class)
.add(Restrictions.eq("id", id)).uniqueResult();
}
}
Test.java
package ssh.demo.test;
import java.util.Date;
import javax.annotation.Resource;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import ssh.demo.dao.UserDao;
import ssh.demo.domain.User;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext.xml")
public class Test {
@Resource
private UserDao userDao;
@org.junit.Test
public void saveStu(){
User stu=new User();
stu.setName("zs");
userDao.save(stu);
}
}
測試結果:
這個專案搭建其實還是挺簡單,不過中途會遇到一些問題,耐心點,慢慢研究下,程式碼就不放到github啦,自己試一次,印象深刻很多的。