96SEO 2026-02-19 19:06 27
。

它有助于企业降低成本、缩短开发周期、推动创新以及改善应用服务。
如今全球有数百万开发人员运行着超过
是第一大编程语言和开发平台。
它有助于企业降低成本、缩短开发周期、推动创新以及改善应用服务。
如今全球有数百万开发人员运行着超过
dependenciesdependencygroupIdorg.springframework/groupIdartifactIdspring-orm/artifactIdversion5.1.6.RELEASE/version/dependencydependencygroupIdorg.springframework/groupIdartifactIdspring-context/artifactIdversion5.1.6.RELEASE/version/dependencydependencygroupIdorg.aspectj/groupIdartifactIdaspectjweaver/artifactIdversion1.9.2/version/dependencydependencygroupIdcom.alibaba/groupIdartifactIddruid/artifactIdversion1.1.8/version/dependencydependencygroupIdmysql/groupIdartifactIdmysql-connector-java/artifactIdversion8.0.11/version/dependencydependencygroupIdorg.hibernate/groupIdartifactIdhibernate-core/artifactIdversion5.0.7.Final/version/dependencydependencygroupIdjunit/groupIdartifactIdjunit/artifactIdversion4.12/versionscopetest/scope/dependencydependencygroupIdorg.springframework/groupIdartifactIdspring-test/artifactIdversion5.1.6.RELEASE/version/dependency/dependencies
xmlnshttp://www.springframework.org/schema/beansxmlns:xsihttp://www.w3.org/2001/XMLSchema-instancexmlns:contexthttp://www.springframework.org/schema/contextxmlns:txhttp://www.springframework.org/schema/txxsi:schemaLocationhttp://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsd
locationclasspath:db.properties
classcom.alibaba.druid.pool.DruidDataSource
classorg.springframework.orm.hibernate5.LocalSessionFactoryBean
namehibernatePropertiespropsprop
keyhibernate.hbm2ddl.autoupdate/prop/props/property!--
namepackagesToScanlistvaluecom.bobo.pojo/value/list/property/bean!--
classorg.springframework.orm.hibernate5.HibernateTemplate
classorg.springframework.orm.hibernate5.HibernateTransactionManager
transaction-managertransactionManager
GenerationType.IDENTITY)Column(nameuser_id)private
userId;Column(nameuser_name)private
userName;Column(namereal_name)private
selectUsersByNameUseCriteria(String
org.hibernate.criterion.Restrictions;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.orm.hibernate5.HibernateTemplate;
org.springframework.stereotype.Repository;import
{this.template.save(users);}Overridepublic
{this.template.update(users);}Overridepublic
{this.template.delete(users);}Overridepublic
this.template.get(Users.class,userId);}Overridepublic
this.template.getSessionFactory().getCurrentSession();//
queryTemp.list();}Overridepublic
this.template.getSessionFactory().getCurrentSession();//
?).addEntity(Users.class).setString(0,
selectUsersByNameUseCriteria(String
this.template.getSessionFactory().getCurrentSession();Criteria
session.createCriteria(Users.class);criteria.add(Restrictions.eq(userName,userName));return
org.springframework.beans.factory.annotation.Autowired;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;import
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
dao;TestTransactionalRollback(false)public
Users();user.setUserName(Tom);user.setRealName(张三丰);dao.insertUsers(user);}TestTransactionalpublic
this.dao.selectUsersById(22);System.out.println(users);}TestTransactionalpublic
this.dao.selectUsersByNameUseSQL(Tom);for
{System.out.println(users);}}}二、Spring整合HibernateJPA
现如今的ORM框架还是比较多的比如HibernateTopLink以及OpenJPA等等为了简化ORM框架的使用JPA随之产生。
公司提供了一对对于持久层操作的标准(接口文档),说白了就是在各种ORM框架之上封装了一套API实现统一操作。
同时又依赖各种ORM框架去实现。
hibernate3.2版本后提供了对JPA的实现。
dependenciesdependencygroupIdorg.springframework/groupIdartifactIdspring-orm/artifactIdversion5.1.6.RELEASE/version/dependencydependencygroupIdorg.springframework/groupIdartifactIdspring-context/artifactIdversion5.1.6.RELEASE/version/dependencydependencygroupIdorg.aspectj/groupIdartifactIdaspectjweaver/artifactIdversion1.9.2/version/dependencydependencygroupIdcom.alibaba/groupIdartifactIddruid/artifactIdversion1.1.8/version/dependencydependencygroupIdmysql/groupIdartifactIdmysql-connector-java/artifactIdversion8.0.11/version/dependencydependencygroupIdorg.hibernate/groupIdartifactIdhibernate-entitymanager/artifactIdversion5.0.7.Final/version/dependencydependencygroupIdjunit/groupIdartifactIdjunit/artifactIdversion4.12/versionscopetest/scope/dependencydependencygroupIdorg.springframework/groupIdartifactIdspring-test/artifactIdversion5.1.6.RELEASE/version/dependency/dependencies
jdbc.drivercom.mysql.cj.jdbc.Driver
jdbc.urljdbc:mysql://localhost:3306/logistics?characterEncodingutf-8serverTimezoneUTC
xmlnshttp://www.springframework.org/schema/beansxmlns:xsihttp://www.w3.org/2001/XMLSchema-instancexmlns:contexthttp://www.springframework.org/schema/contextxmlns:txhttp://www.springframework.org/schema/txxsi:schemaLocationhttp://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsd
locationclasspath:db.properties
classcom.alibaba.druid.pool.DruidDataSource
classorg.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean
classorg.springframework.orm.jpa.vendor.HibernateJpaVendorAdapterproperty
keyhibernate.hbm2ddl.autoupdate/prop/props--/property!--
namepackagesToScanlistvaluecom.bobo.pojo/value/list/property/bean!--
classorg.springframework.orm.jpa.JpaTransactionManager
transaction-managertransactionManager
GenerationType.IDENTITY)Column(nameuser_id)private
userId;Column(nameuser_name)private
userName;Column(namereal_name)private
selectUsersByNameUseCriteria(String
org.hibernate.criterion.Restrictions;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.orm.hibernate5.HibernateTemplate;
org.springframework.stereotype.Repository;import
javax.persistence.EntityManager;
javax.persistence.PersistenceContext;
javax.persistence.criteria.CriteriaBuilder;
javax.persistence.criteria.CriteriaQuery;
javax.persistence.criteria.Predicate;
javax.persistence.criteria.Root;
{manager.persist(users);}Overridepublic
{manager.merge(users);}Overridepublic
this.selectUsersById(users.getUserId());manager.remove(users);}Overridepublic
manager.find(Users.class,userId);}Overridepublic
:abc).setParameter(abc,userName).getResultList();}Overridepublic
manager.createNativeQuery(select
?,Users.class).setParameter(1,userName).getResultList();}Overridepublic
selectUsersByNameUseCriteria(String
manager.getCriteriaBuilder();CriteriaQueryUsers
builder.createQuery(Users.class);RootUsers
query.from(Users.class);Predicate
builder.equal(root.get(userName),
userName);query.where(cate);TypedQueryUsers
manager.createQuery(query);return
org.springframework.beans.factory.annotation.Autowired;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;import
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
dao;TestTransactionalRollback(false)public
Users();user.setUserName(Mic);user.setRealName(李逵);dao.insertUsers(user);}TestTransactionalpublic
this.dao.selectUsersById(22);System.out.println(users);}TestTransactionalpublic
this.dao.selectUsersByNameUseSQL(Tom);for
{System.out.println(users);}}}三、SpringDataJPA介绍
dependenciesdependencygroupIdorg.springframework/groupIdartifactIdspring-orm/artifactIdversion5.1.6.RELEASE/version/dependencydependencygroupIdorg.springframework/groupIdartifactIdspring-context/artifactIdversion5.1.6.RELEASE/version/dependencydependencygroupIdorg.aspectj/groupIdartifactIdaspectjweaver/artifactIdversion1.9.2/version/dependencydependencygroupIdcom.alibaba/groupIdartifactIddruid/artifactIdversion1.1.8/version/dependencydependencygroupIdmysql/groupIdartifactIdmysql-connector-java/artifactIdversion8.0.11/version/dependencydependencygroupIdorg.hibernate/groupIdartifactIdhibernate-entitymanager/artifactIdversion5.0.7.Final/version/dependencydependencygroupIdjunit/groupIdartifactIdjunit/artifactIdversion4.12/versionscopetest/scope/dependencydependencygroupIdorg.springframework/groupIdartifactIdspring-test/artifactIdversion5.1.6.RELEASE/version/dependencydependencygroupIdorg.springframework.data/groupIdartifactIdspring-data-jpa/artifactIdversion1.9.0.RELEASE/version/dependency/dependencies
jdbc.drivercom.mysql.cj.jdbc.Driver
jdbc.urljdbc:mysql://localhost:3306/logistics?characterEncodingutf-8serverTimezoneUTC
xmlnshttp://www.springframework.org/schema/beansxmlns:xsihttp://www.w3.org/2001/XMLSchema-instancexmlns:contexthttp://www.springframework.org/schema/contextxmlns:txhttp://www.springframework.org/schema/txxmlns:jpahttp://www.springframework.org/schema/data/jpaxsi:schemaLocationhttp://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsdhttp://www.springframework.org/schema/data/jpahttp://www.springframework.org/schema/data/jpa/spring-jpa.xsd
locationclasspath:db.properties
classcom.alibaba.druid.pool.DruidDataSource
classorg.springframework.orm.jpa.LocalContainerEntityManagerFactoryBeanidentityManagerFactory!--
classorg.springframework.orm.jpa.vendor.HibernateJpaVendorAdapterproperty
keyhibernate.hbm2ddl.autoupdate/prop/props--/property!--
namepackagesToScanlistvaluecom.bobo.pojo/value/list/property/bean!--
classorg.springframework.orm.jpa.JpaTransactionManager
transaction-managertransactionManager
GenerationType.IDENTITY)Column(nameuser_id)private
userId;Column(nameuser_name)private
userName;Column(namereal_name)private
org.springframework.data.jpa.repository.JpaRepository;public
org.springframework.beans.factory.annotation.Autowired;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
dao;TestTransactionalRollback(false)public
Users();user.setUserName(admin-jpa);user.setRealName(测试);dao.save(user);}
中为我我们提供的所有接口中的顶层接口,而且是个标志接口Repository
org.springframework.data.repository.Repository;import
javax.persistence.criteria.CriteriaBuilder;
findByUserNameAndRealNameIs(String
com.bobo.dao.UserDaoRepository;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;import
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
dao;TestTransactionalRollback(false)public
this.dao.findByUserNameIs(Tom);for
{System.out.println(users);}}TestTransactionalRollback(false)public
this.dao.findByUserNameLike(Tom);for
{System.out.println(users);}}TestTransactionalRollback(false)public
this.dao.findByUserNameAndRealNameIs(Tom,张三丰);for
通过上面的命令的方式使用的情况如果查询条件比较复杂的情况下那么方法的名称会很长不是很方便而且容易出错这时我们可以通过Query注解来实现。
JPQL是通过Hibernate的HQL语句演变而来的他和HQL语句很相似。
org.springframework.data.jpa.repository.Query;
org.springframework.data.repository.Repository;import
queryUserLikeNameUseJPQL(String
queryUserByNameAndRealName(String
com.bobo.dao.UserDaoRepository;
com.bobo.dao.UserDaoRepository2;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;import
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
dao;TestTransactionalRollback(false)public
this.dao.queryUsersByNameUseJPQL(Tom);for
{System.out.println(users);}}TestTransactionalRollback(false)public
this.dao.queryUserLikeNameUseJPQL(Tom);for
{System.out.println(users);}}TestTransactionalRollback(false)public
this.dao.queryUserByNameAndRealName(Tom,张三丰);for
org.springframework.data.jpa.repository.Modifying;
org.springframework.data.jpa.repository.Query;
org.springframework.data.repository.Repository;import
nativeQuery默认是false我们需要设置为trueQuery(value
queryUserByNameAndRealName(String
com.bobo.dao.UserDaoRepository2;
com.bobo.dao.UserDaoRepository3;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;import
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
dao;TestTransactionalRollback(false)public
this.dao.queryUsersByNameUseSQL(Tom);for
{System.out.println(users);}}TestTransactionalRollback(false)public
this.dao.queryUserLikeNameUseSQL(Tom);for
{System.out.println(users);}}TestTransactionalRollback(false)public
this.dao.queryUserByNameAndRealName(Tom,张三丰);for
Query注解可以完成数据更新操作但是不能实现数据的添加和删除操作。
updateTest(){this.dao.updateUserNameById(Tommm,25);
CrudRepository接口继承自Repository接口所以Repository接口具有的功能CrudRepository接口都具有而且又扩展了CRUD相关的功能。
com.bobo.dao.UserDaoCrudRepository;
com.bobo.dao.UserDaoRepository3;
org.junit.experimental.***ories.suppliers.TestedOn;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.jdbc.support.CustomSQLErrorCodesTranslation;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;import
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
Users();user.setRealName(成龙);user.setUserName(chengnong);dao.save(user);}/***
Users();user.setRealName(成龙i);user.setUserName(chengnongi);list.add(user);}dao.save(list);}/***
dao.findOne(25);System.out.println(user);}/***
list.iterator();while(iterator.hasNext()){Users
iterator.next();System.out.println(user);}}/***
如果Users对象的userId属性不为空则updateUsers
dao.findOne(34);user.setUserName(hahahaha);dao.save(user);}/***
方式二*/TestTransactionalRollback(false)public
dao.findOne(34);user.setUserName(aaaa);
}4.PagingAndSortingRepository接口
PagingAndSortingRepository继承自CrudRepository接口那么显然PagingAndSortingRepository就具备了CrudRepository接口的相关的功能同时也扩展了分页和排序的功能。
org.springframework.data.repository.PagingAndSortingRepository;/***
PagingAndSortingRepository接口的使用*
PagingAndSortingRepositoryUsers,Integer
com.bobo.dao.UserDaoCrudRepository;
com.bobo.dao.UserDaoPageAndSortRepository;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.data.domain.Page;
org.springframework.data.domain.PageRequest;
org.springframework.data.domain.Sort;
org.springframework.test.annotation.Rollback;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
org.springframework.transaction.annotation.Transactional;import
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
PageRequest(page,size);PageUsers
dao.findAll(pageable);System.out.println(总的条数:
pages.getTotalElements());System.out.println(总的页数:
pages.getTotalPages());ListUsers
Sort(Sort.Direction.DESC,userId);ListUsers
Sort.Order(Sort.Direction.DESC,realName);Sort.Order
Sort.Order(Sort.Direction.ASC,userId);Sort
JpaRepository接口是我们开发时使用最多接口其特点是可以帮助我们将其他接口的方法的返回值做适配处理可以使我们在开发的时候更方便的使用这些方法。
提供的有多条件查询并支持分页和排序功能此接口不能单独使用需要和其他的接口一块使用。
com.bobo.dao.UserDaoSpecfication;
org.springframework.beans.factory.annotation.Autowired;
org.springframework.data.domain.Page;
org.springframework.data.domain.PageRequest;
org.springframework.data.domain.Pageable;
org.springframework.data.domain.Sort;
org.springframework.data.jpa.domain.Specification;
org.springframework.test.context.ContextConfiguration;
org.springframework.test.context.junit4.SpringJUnit4ClassRunner;import
javax.persistence.criteria.CriteriaBuilder;
javax.persistence.criteria.CriteriaQuery;
javax.persistence.criteria.Predicate;
javax.persistence.criteria.Root;
java.util.List;RunWith(SpringJUnit4ClassRunner.class)
ContextConfiguration(classpath:applicationContext.xml)
criteriaBuilder.equal(root.get(userName),Tommm);return
ArrayList();list.add(criteriaBuilder.equal(root.get(userName),Tommm));list.add(criteriaBuilder.equal(root.get(realName),张三丰));Predicate[]
criteriaBuilder.and(list.toArray(arr));}};ListUsers
criteriaBuilder.equal(root.get(userName),Tommm);return
pagealbe);System.out.println(page.getTotalElements());System.out.println(page.getTotalPages());List
page.getContent();System.out.println(content);}6.4
criteriaBuilder.equal(root.get(userName),Tommm);return
Sort(Sort.Direction.DESC,userId);ListUsers
sort);System.out.println(list);}
criteriaBuilder.equal(root.get(userName),Tommm);return
Sort(Sort.Direction.DESC,userId);//
pagealbe);System.out.println(page.getTotalElements());System.out.println(page.getTotalPages());List
page.getContent();System.out.println(content);}
spring.datasource.driverClassNamecom.mysql.cj.jdbc.Driver
spring.datasource.urljdbc:mysql://localhost:3306/logistics?
characterEncodingutf-8serverTimezoneUTC
spring.datasource.password123456#
spring.datasource.typecom.alibaba.druid.pool.DruidDataSource#
spring.jpa.hibernate.ddl-autoupdate
java.io.Serializable;Table(name
GenerationType.IDENTITY)Column(nameuser_id)private
userId;Column(nameuser_name)private
usreName;Column(namereal_name)private
org.springframework.data.jpa.repository.JpaRepository;public
org.springframework.beans.factory.annotation.Autowired;
org.springframework.boot.test.context.SpringBootTest;SpringBootTest
SpringdatajpaSpringbootApplicationTests
Users();users.setUsreName(test1);users.setRealName(测试数据);dao.save(users);}}
作为专业的SEO优化服务提供商,我们致力于通过科学、系统的搜索引擎优化策略,帮助企业在百度、Google等搜索引擎中获得更高的排名和流量。我们的服务涵盖网站结构优化、内容优化、技术SEO和链接建设等多个维度。
| 服务项目 | 基础套餐 | 标准套餐 | 高级定制 |
|---|---|---|---|
| 关键词优化数量 | 10-20个核心词 | 30-50个核心词+长尾词 | 80-150个全方位覆盖 |
| 内容优化 | 基础页面优化 | 全站内容优化+每月5篇原创 | 个性化内容策略+每月15篇原创 |
| 技术SEO | 基本技术检查 | 全面技术优化+移动适配 | 深度技术重构+性能优化 |
| 外链建设 | 每月5-10条 | 每月20-30条高质量外链 | 每月50+条多渠道外链 |
| 数据报告 | 月度基础报告 | 双周详细报告+分析 | 每周深度报告+策略调整 |
| 效果保障 | 3-6个月见效 | 2-4个月见效 | 1-3个月快速见效 |
我们的SEO优化服务遵循科学严谨的流程,确保每一步都基于数据分析和行业最佳实践:
全面检测网站技术问题、内容质量、竞争对手情况,制定个性化优化方案。
基于用户搜索意图和商业目标,制定全面的关键词矩阵和布局策略。
解决网站技术问题,优化网站结构,提升页面速度和移动端体验。
创作高质量原创内容,优化现有页面,建立内容更新机制。
获取高质量外部链接,建立品牌在线影响力,提升网站权威度。
持续监控排名、流量和转化数据,根据效果调整优化策略。
基于我们服务的客户数据统计,平均优化效果如下:
我们坚信,真正的SEO优化不仅仅是追求排名,而是通过提供优质内容、优化用户体验、建立网站权威,最终实现可持续的业务增长。我们的目标是与客户建立长期合作关系,共同成长。
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