小贝子编程

如何使用Jersey、Spring、Hibernate和maven设置项目



如何使用以下库配置Java项目？

  1. 球衣2.25
  2. 弹簧4.3.5释放
  3. 休眠5.5.6最终版本
  4. Apache Maven
  5. Java 8

项目基于JERSEY 2.25、SPRING 4.3.5 RELEASE、HIBERNATE 5.5.6 Final、USING MAVEN

我想分享我在创建基本设置方面的知识，为您的项目开个好头我提出这个请求，因为我找不到任何关于JERSEY-SPRING-HIBERNATE设置和配置的完整解决方案。因为我经历了很多问题才找到解决方案。你也可以参考我的Github项目Jersey Spring Hibernate项目.

要启动项目，请打开Eclipse IDE

文件->新建->其他->Maven->Maven项目->按Next->按Next

在过滤器中，查找2.24或更高版本的jersey quickstart webapp。

如果找不到，请单击添加原型

原型组id:org.glassfish.jersy.prototypes

原型工件id:球衣快速启动webapp

原型版本：2.24

存储库URL：保留为空

按OK。

现在再次按照开始的步骤进行操作，现在您将发现版本为2.24的jersey quickstart Web应用程序。

选择它，然后按NEXT。

提供您的组id:"这将是您的包名称"，在我的情况下，它是org.pramod.

提供您的工件id:"这是您的项目名称">

包：在这个项目中是org.pramod

单击"完成">

要设置我们的项目，我们需要4个文件进行配置

  1. web.xml
  2. pom.xml
  3. applicationContext.xml
  4. MyApplication.java

文件名：src/main/webapp/WEB-INF/WEB.xml

<?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_3_0.xsd" version="3.0">
<!-- REGISTERING LISTNER -->
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!--  TO REGISTER THE BEANS -->  
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<servlet>
<servlet-name>Jersey Web Application</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<!-- TO REGISTER THE SERVLET which is mentioned in the MyApplication -->
<init-param>
<param-name>javax.ws.rs.Application</param-name>
<param-value>org.pramod.config.MyApplication</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Jersey Web Application</servlet-name>
<url-pattern>/webapi/*</url-pattern>
</servlet-mapping>
</web-app>

文件名：src/main/resources/applicationContext.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: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.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/jerseyspringhibernate"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="annotatedClasses">
<list>
<value>org.pramod.model.Customer</value>
</list>
</property>
</bean>
<bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor"/>
<bean id="customerService" class="org.pramod.service.CustomerServiceImpl"/>
<bean id="customerDao" class="org.pramod.dao.CustomerDaoImpl"/>
</beans>

文件名：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>org.pramod</groupId>
<artifactId>JerseySpringHibernate</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>JerseySpringHibernate</name>
<build>
<finalName>JerseySpringHibernate</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.5.1</version>
<inherited>true</inherited>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.glassfish.jersey</groupId>
<artifactId>jersey-bom</artifactId>
<version>${jersey.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.glassfish.jersey.containers</groupId>
<artifactId>jersey-container-servlet-core</artifactId>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-moxy</artifactId>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.ext</groupId>
<artifactId>jersey-spring3</artifactId>
</dependency>
<!--         
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
<exclusions>
<exclusion>
<artifactId>javax.servlet</artifactId>
<groupId>servlet-api</groupId>
</exclusion>
</exclusions>
</dependency>
-->       
<!-- ******************************************************** -->       
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- ********************** SPRING 4.3.4 *****************************  -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</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>${spring.version}</version>
<exclusions>
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-instrument</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-instrument-tomcat</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-messaging</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${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-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc-portlet</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-websocket</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- ********************* HIBERNATE 5.5.6 ************************* -->  
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-search-orm</artifactId>
<version>${hibernate.version}</version>
</dependency>
<!-- ********************* MY SQL CONNECTOR *************************  -->  
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>
</dependencies>
<properties>    
<jersey.version>2.25</jersey.version>
<spring.version>4.3.5.RELEASE</spring.version>
<hibernate.version>5.5.6.Final</hibernate.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>

下面提到的文件都是java文件，它们放在src/main/java/中，后面跟着包名。包名称为org.pramod。示例src/main/java.org/pramod.*

文件名：org.pramod.config.MyApplication.java

package org.pramod.config;
import org.glassfish.jersey.server.ResourceConfig;
public class MyApplication extends ResourceConfig{
public MyApplication(){
register(MyResource.class);
register(CustomerResource.class);
}
}

这些是SERVLET资源。1.MyResource和2。CustomerResource可以移动到org.amod.resource包

文件名：org.pramod.config.MyResource.java

package org.pramod.config;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.pramod.service.CustomerService;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Root resource (exposed at "myresource" path)
*/
@Path("myresource")
public class MyResource {
@Autowired
CustomerService customerService;

@GET
@Produces(MediaType.TEXT_PLAIN)
public String getIt() {
return customerService.getStringTest();
}
}

文件名：org.pramod.config.CustomerResource.java

package org.pramod.config;
import java.util.List;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.pramod.model.Customer;
import org.pramod.service.CustomerService;
import org.springframework.beans.factory.annotation.Autowired;
@Path("customers")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public class CustomerResource {
@Autowired
CustomerService customerService;
@GET
public List<Customer> getCustomers(){
return customerService.getAllCustomer();
}
@GET
@Path("/{customerId}")
public Customer getCustomer(@PathParam("customerId") int id){
return customerService.getCustomerById(id);
}
@POST
public Customer saveCustomer(Customer customer){
return customerService.addCustomer(customer);
}
@PUT
@Path("/{customerId}")
public Customer updateCustomer(@PathParam("customerId") int id, Customer customer){
return customerService.updateCustomer(id, customer);
}
@DELETE
@Path("/{customerId}")
public Customer removeCustomer(@PathParam ("customerId") int id ){
return customerService.deleteCustomer(id);
}
}

这些是Spring服务文件和接口。1.客户服务和2。CustomerServiceImpl

文件名：org.pramod.service.CustomerService.java

package org.pramod.service;
import java.util.List;
import org.pramod.model.Customer;
public interface CustomerService {
String getStringTest();
Customer addCustomer(Customer customer);
Customer updateCustomer(int id, Customer customer);
Customer deleteCustomer(int id);
Customer getCustomerById(int id);
List<Customer> getAllCustomer();
}

文件名：org.pramod.service.CustomerServiceImpl.java

package org.pramod.service;
import java.util.List;
import org.pramod.dao.CustomerDao;
import org.pramod.model.Customer;
import org.springframework.beans.factory.annotation.Autowired;
public class CustomerServiceImpl implements CustomerService {
@Autowired
private CustomerDao customerDao; 
@Override
public String getStringTest() {
return customerDao.getStringTest();
}
@Override
public Customer addCustomer(Customer customer) {
return customerDao.addCustomer(customer);
}
@Override
public Customer updateCustomer(int id, Customer customer) {
return customerDao.updateCustomer(id, customer);
}
@Override
public Customer deleteCustomer(int id) {
return customerDao.deleteCustomer(id);
}
@Override
public Customer getCustomerById(int id) {
return customerDao.getCustomerById(id);
}
@Override
public List<Customer> getAllCustomer() {
return customerDao.getAllCustomer();
}
}

这些是Hibernate实现文件和接口

1.客户刀和2。客户DaoImpl

如果您不想实现HIBERNATE，那么您可以省略这两个文件，并在applicationContext.xml文件中删除id为"dataSource"one_answers"sessionFactory"的bean。删除pom.xml中HIBERNATE的依赖项

文件名：org.pramod.dao.CustomerDao.java

package org.pramod.dao;
import java.util.List;
import org.pramod.model.Customer;
public interface CustomerDao {
String getStringTest();
Customer addCustomer(Customer customer);
Customer updateCustomer(int id, Customer customer);
Customer deleteCustomer(int id);
Customer getCustomerById(int id);
List<Customer> getAllCustomer();
}

文件名：org.pramod.dao.CustomerDaoImpl.java

package org.pramod.dao;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.pramod.model.Customer;
import org.springframework.beans.factory.annotation.Autowired;
public class CustomerDaoImpl implements CustomerDao {
@Autowired
SessionFactory sessionFactory;
@Override
public String getStringTest(){
String save = "Got it";
return save;
}
@Override
public Customer addCustomer(Customer customer) {      
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try{
session.save(customer);
tx.commit();
return customer;
}catch(Exception e){
tx.rollback();
return null;
}
}
@Override
public Customer updateCustomer(int id, Customer cust) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try{
Customer customer = cust;
customer.setId(id);
session.update(customer);
tx.commit();
return customer;
}catch(Exception e){
tx.rollback();
return null;
}
}
@Override
public Customer deleteCustomer(int id) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try{
Customer cust = session.get(Customer.class,id);
session.delete(cust);
tx.commit();
return cust;
}catch(Exception e){
tx.rollback();
return null;
}
}
@Override
public Customer getCustomerById(int id) {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try{
Customer cust = session.get(Customer.class,id);
tx.commit();
session.close();
return cust;
}catch(Exception e){
tx.rollback();
session.close();
return null;
}       
}
@Override
public List<Customer> getAllCustomer() {
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try{
Query query = session.createQuery("from Customer");
List<Customer> customers = query.list();
tx.commit();
session.close();
return customers;
}catch(Exception e){
tx.rollback();
session.close();
return null;
}       
}
}

这是客户类型的实体或对象。如果你不想使用Hibernate。删除所有注释

文件名：org.pramod.model.Customer.java

package org.pramod.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="CUSTOMER")
public class Customer {
@Id @GeneratedValue
@Column(name="customer_id")
private int id;
@Column
private String firstName;
@Column
private String lastName;
@Column
private String street;
@Column
private String city;
@Column
private String state;
@Column
private int pin;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getStreet() {
return street;
}
public void setStreet(String street) {
this.street = street;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public int getPin() {
return pin;
}
public void setPin(int pin) {
this.pin = pin;
}
}

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