Spring4.X整合hibernate5.X之事物管理
阿新 • • 發佈：2019-01-07
我們之所以要用Transaction來管理hibernate的session主要目的就是區分開業務邏輯程式碼和持久層程式碼分開。
我所做是在正確匯入了相關jar包和配置好了spring mvc的前提條件下進行的，下面是我的一個在eclipse下面的測試專案的專案目錄結構
第一步:配置springmvc-servlet.xml檔案標紅的是關於事物管理方面的類容，但是其他配置也不可少
<?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" 看到其中標註紅色的部分就是關於事物的配置，還有一個AOP的配置，是因為事物需要AOP的支援，另外綠色的部分則是匯入了相關hibernate的配置，包括資料來源SessionFactory等，下面是hibernate_spring.cfg.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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<property name="driverClass" value="com.mysql.jdbc.Driver"/>
<property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3306/znck"/>
<property name="user" value="root"/>
<property name="password" value="1234"/>
</bean> <!-- 這裡資料來源配置我採用了預設配置 -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="packagesToScan"> <!-- 指定對映類掃描實體化類/對映類 -->
<list>
<value>znck.hb.entity.*</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.hbm2ddl.auto">update</prop> <!-- 指定hibernate是否要根據持久化類自動建立資料表 -->
<prop key="hibernate.show_sql">true</prop> <!-- 顯示Hibernate持久化操作所生成的SQL -->
<prop key="hibernate.format_sql">true</prop> <!-- 將SQL指令碼進行格式化後再輸出 -->
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop> <!-- 指定資料庫方言 -->
<prop key="hibernate.temp.use_jdbc_metadata_defaults">false</prop><!-- 排除掉資料庫可能不支援的功能 -->
</props>
</property>
</bean>
</beans>下面是我的User實體化類
package znck.hb.entity.user;
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="user")
public class User implements Serializable {
/**
* 序列化
*/
private static final long serialVersionUID = 1L;
/*
* 使用者賬號/標識屬性
*/
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
private int account;
/*
* 密碼
*/
private String password;
/*
* 手機
*/
private String phone;
/*
* 郵箱
*/
private String email;
/*
* 使用者暱稱
*/
private String name;
public int getAccount() {
return account;
}
public void setAccount(int account) {
this.account = account;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
IndexService介面，test()為測試方法
package znck.spring.service.index;
import javax.servlet.http.HttpServletRequest;
public interface IndexService {
/*
* 基礎路徑設定
* 在serveletContext中儲存basepath
*/
void BasepathSet(HttpServletRequest request);
void Test();
}
IndexServiceImp類
package znck.spring.serviceImp.index;
import javax.servlet.http.HttpServletRequest;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import znck.hb.entity.user.User;
import znck.spring.service.index.IndexService;
@Service
@Transactional //事物註釋必須要在service中否則無效
public class IndexServiceImp implements IndexService {
@Autowired
private SessionFactory sessionFactory;
@Override
public void BasepathSet(HttpServletRequest request) {
// TODO Auto-generated method stub
String basepath = ((HttpServletRequest)request).getRequestURL().toString();
basepath = basepath.substring(0, basepath.length()-1);
if(request.getServletContext().getAttribute("basepath")==null){
request.getServletContext().setAttribute("basepath", basepath); //設定基礎路徑
}
}
/*
* test
*/
public void Test(){
User user = new User();
user.setAccount(1231);
sessionFactory.getCurrentSession().save(user);
}
}
Index類
package znck.spring.control.index;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import znck.spring.service.index.IndexService;
@Controller
@RequestMapping
public class Index {
@Autowired
IndexService indexService;
/*
* 跳轉首頁
* basepath 設定
*/
@Transactional
@RequestMapping(value = "/index")
String index(HttpServletRequest request, Model model){
indexService.BasepathSet(request);
indexService.Test();
return "index";
}
}測試成功！如有疑問歡迎交流
相關連結：