springmvc + JPA

最近發覺 spring-data-jpa 比較好用。

我在springcloud的項目中使用後，也嘗試在springmvc中增加 jpa。

 

一，創建moudle

 

選擇父項目，設定子項目名。

 

 

二，創建文件夾

創建文件夾，並且轉換文件夾類型

 

三，創建測試文件

在對應的java目錄下，創建包和controller

我的包路徑com.kintech.test.controller

 

Model

package com.kintech.model.domain.test;

import lombok.Data;
import org.hibernate.annotations.DynamicUpdate;
import org.hibernate.annotations.GenericGenerator;

import javax.persistence.*;

/**
 * @author Tyler
 * @date 2020/4/20
 */

@Data
@Entity
@Table(name="testtab"
        ,catalog="kintech_pd"
)
@DynamicUpdate
public class TestTab {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name="id")
    private Integer id;
    private String name;
}

 

Dao

@Repository("testtabdao")
public interface TestTabDao extends JpaRepository<TestTab,Integer> {
}

 

TestController（測試的話，直接略過service，調用dao。）

package com.kintech.test.controller;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;


@Controller
@RequestMapping("test")
public class TestController {
    @RequestMapping(value = "test.do", method = RequestMethod.GET)
    public @ResponseBody
    String save(ModelMap mode){
        return "hello test";
    }
}

 

四，所有配置文件

下面比較多，大家看自己需求選擇對應的配置文件

 

然後我們一個個來看

①，jdbc.properties

注意自己的 mysql-connector-java 版本，

選擇 com.mysql.jdbc.Driver 還是 com.mysql.cj.jdbc.Driver

jdbc.driver = com.mysql.jdbc.Driver
jdbc.jdbcUrl=jdbc:mysql://localhost:3306/kintech_pd?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&autoReconnectForPools=true&noAccessToProcedureBodies=true
jdbc.user=xxx
jdbc.password=xxx
#jdbc.password=root
jdbc.initialPoolSize=3
jdbc.miniPoolSize=3
jdbc.maxPoolSize=20
jdbc.maxIdleTime=20

#hibernate config
hibernate.dialect = org.hibernate.dialect.MySQLDialect
hibernate.show_sql = false
hibernate.format_sql = true
#hibernate.hbm2ddl.auto =update
hibernate.hbm2ddl.auto =none
hibernate.cache.use_second_level_cache=false
hibernate.cache.use_query_cache=false
hibernate.cache.provider_class=net.sf.ehcache.hibernate.EhCacheProvider
hibernate.cache.region.factory_class=org.hibernate.cache.ehcache.EhCacheRegionFactory
        

 

②，applicationContext.xml

注意修改：屬性文件，掃描包路徑

<?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:mvc="http://www.springframework.org/schema/mvc" xmlns:aop="http://www.springframework.org/schema/aop"
	   xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
	   xmlns:cache="http://www.springframework.org/schema/cache"
	   xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
                           http://www.springframework.org/schema/context 
                           http://www.springframework.org/schema/context/spring-context-4.3.xsd  
                           http://www.springframework.org/schema/mvc 
                           http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
                           http://www.springframework.org/schema/aop 
						   http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
						   http://www.springframework.org/schema/tx 
                           http://www.springframework.org/schema/tx/spring-tx-4.3.xsd http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd"
	   default-lazy-init="true">

	<!-- 引入屬性文件 -->
	<bean
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<value>classpath:properties/env.properties</value>
				<value>classpath:properties/jdbc.properties</value>
				<value>classpath:properties/redis.properties</value>
			</list>
		</property>
	</bean>

	<!-- <context:annotation-config /> -->

	  <!-- 開啓自動掃描包 -->
   <context:component-scan base-package="com.kintech" use-default-filters="true" annotation-config="true">
      <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>  
      <context:exclude-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController"/> 
   </context:component-scan>

	<import resource="spring-business.xml" />
	<import resource="spring-redis.xml" />

	<!-- 啓動緩存 -->
	<cache:annotation-driven />

</beans>

 

③，spring-business.xml

注意<!-- JPA實體管理器工廠 -->開始的配置

<?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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:p="http://www.springframework.org/schema/p" xmlns:jpa="http://www.springframework.org/schema/data/jpa"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                           http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
                           http://www.springframework.org/schema/context 
                           http://www.springframework.org/schema/context/spring-context-4.3.xsd  
                           http://www.springframework.org/schema/mvc 
                           http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
                           http://www.springframework.org/schema/aop 
						   http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
						   http://www.springframework.org/schema/tx 
                           http://www.springframework.org/schema/tx/spring-tx-4.3.xsd http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd"
       default-lazy-init="true">

     <!--配置數據源-->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
        <property name="driverClass" value="${jdbc.driver}" />  <!--數據庫連接驅動-->
        <property name="jdbcUrl" value="${jdbc.jdbcUrl}" />     <!--數據庫地址-->
        <property name="user" value="${jdbc.user}" />   <!--用戶名-->
        <property name="password" value="${jdbc.password}" />   <!--密碼-->
        <property name="maxPoolSize" value="${jdbc.maxPoolSize}" />      <!--最大連接數-->
        <property name="minPoolSize" value="${jdbc.miniPoolSize}" />       <!--最小連接數-->
        <property name="initialPoolSize" value="${jdbc.initialPoolSize}" />      <!--初始化連接池內的數據庫連接-->
        <property name="maxIdleTime" value="${jdbc.maxIdleTime}" />  <!--最大空閒時間-->
    </bean>
    

    <!--配置session工廠-->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="packagesToScan" value="com.kintech.model" />
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop> <!--hibernate根據實體自動生成數據庫表-->
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>   <!--指定數據庫方言-->
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>     <!--在控制檯顯示執行的數據庫操作語句-->
                <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>     <!--在控制檯顯示執行的數據哭操作語句（格式）-->
                <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>  <!-- 查詢緩存 -->
                <prop key="hibernate.cache.provider_class">${hibernate.cache.provider_class}</prop>     
                <prop key="hibernate.cache.region.factory_class">${hibernate.cache.region.factory_class}</prop>  
            </props>
        </property>
    </bean>



    <!-- JPA實體管理器工廠 -->
    <bean id="entityManagerFactory"
          class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="jpaVendorAdapter" ref="hibernateJpaVendorAdapter" />
        <!-- 加入定製化包路徑 -->
        <property name="packagesToScan" value="com.kintech.model.domain.test" />

        <property name="jpaProperties">
            <props>
                <prop key="hibernate.current_session_context_class">thread</prop>
                <prop key="hibernate.hbm2ddl.auto">update</prop><!-- validate/update/create -->
                <prop key="hibernate.show_sql">true</prop>
                <prop key="hibernate.format_sql">true</prop>

                <!-- 建表的命名規則 -->
                <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop>

            </props>
        </property>
    </bean>

    <!-- 設置JPA實現廠商的特定屬性 -->
    <bean id="hibernateJpaVendorAdapter"
          class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
        <property name="databasePlatform" value="${hibernate.dialect}"/>
    </bean>

    <!-- Jpa 事務配置 -->
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory"/>
    </bean>

    <!-- Spring Data Jpa配置 -->
    <jpa:repositories base-package="com.kintech.dao"  transaction-manager-ref="transactionManager" entity-manager-factory-ref="entityManagerFactory"/>

    <!-- 使用annotation定義事務 -->
    <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />


</beans>

 

④，spring-redis.xml

這個可以不看，我只是順手記錄一下

<?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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:p="http://www.springframework.org/schema/p"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                           http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
                           http://www.springframework.org/schema/context 
                           http://www.springframework.org/schema/context/spring-context-4.3.xsd  
                           http://www.springframework.org/schema/mvc 
                           http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
                           http://www.springframework.org/schema/aop 
						   http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
						   http://www.springframework.org/schema/tx 
                           http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"
                           default-lazy-init="true" >

    <!--redis配置  -->
    <bean name="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig" lazy-init="true">
        <property name="maxTotal" value="${redis.maxTotal}"/>
        <property name="maxIdle" value="${redis.maxIdle}"/>
        <property name="minIdle" value="${redis.minIdle}"/>
        <property name="maxWaitMillis" value="${redis.maxWaitMillis}"/>
        <property name="testOnBorrow" value="${redis.testOnBorrow}"/>
        <property name="testOnReturn" value="${redis.testOnReturn}"/>
        <property name="testWhileIdle" value="${redis.testWhileIdle}"/>
        <property name="timeBetweenEvictionRunsMillis" value="${redis.timeBetweenEvictionRunsMillis}"/>
        <property name="numTestsPerEvictionRun" value="${redis.numTestsPerEvictionRun}"/>
        <property name="minEvictableIdleTimeMillis" value="${redis.minEvictableIdleTimeMillis}"/>
    </bean>
     <!-- Jedis ConnectionFactory 數據庫連接配置-->  
	<bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">  
	    <property name="hostName" value="${redis.host}" />  
	    <property name="port" value="${redis.port}" />
	    <property name="password" value="${redis.password}" />
	    <property name="database" value="${redis.database}" />
	    <property name="poolConfig" ref="jedisPoolConfig" />
        <property name="timeout" value="${redis.timeOut}" />
	</bean>

    <!--  StringRedisTemplate 序列化方式  -->
    <bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate"   p:connection-factory-ref="jedisConnectionFactory" >
        <!--以String類型的方式 序列化    時間：2020年2月13日17:29:41   作者：陳翔宇  start        -->
        <property name="keySerializer">
            <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
        </property>
        <property name="valueSerializer">
            <bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
        </property>
        <property name="hashKeySerializer">
            <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
        </property>
        <property name="hashValueSerializer">
            <bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
        </property>
        <!--以String類型的方式 序列化    時間：2020年2月13日17:29:41   作者：陳翔宇  end        -->
    </bean>
     
    <!-- 設置Cookie domain 和 名稱  -->
    <bean id="defaultCookieSerializer" class="com.kintech.web.CookieSerializer">
        <property name="domainName" value="${sysHost}"/>
        <property name="cookieName" value="MYJSESSIONID"/>
        <!--<property name="domainNamePattern" value="^.+?\\.(\\w+\\.[a-z]+)$"/>-->
    </bean>
    
    <!-- 將session放入redis -->
    <bean id="redisHttpSessionConfiguration"
         class="org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration">
        <property name="maxInactiveIntervalInSeconds" value="7200" />
        <property name="cookieSerializer" ref="defaultCookieSerializer"/>
    </bean>

    <!--@Cacheable使用Redis緩存 :  spring自己的緩存管理器，這裏定義了緩存位置名稱 ，即註解中的value  -->
    <bean id="cacheManager" class="org.springframework.cache.support.SimpleCacheManager">
        <property name="caches">
            <set>
                <bean class="org.springframework.data.redis.cache.RedisCache">
                    <constructor-arg name="redisOperations" ref="redisTemplate"></constructor-arg>
                    <constructor-arg name="name" value="menuAllList"></constructor-arg>
                    <constructor-arg name="prefix" value="dbSYS:"></constructor-arg>
                    <constructor-arg name="expiration" value="7200"></constructor-arg>
                </bean>
                <bean class="org.springframework.data.redis.cache.RedisCache">
                    <constructor-arg name="redisOperations" ref="redisTemplate"></constructor-arg>
                    <constructor-arg name="name" value="accesscodeAllList"></constructor-arg>
                    <constructor-arg name="prefix" value="dbSYS:"></constructor-arg>
                    <constructor-arg name="expiration" value="7200"></constructor-arg>
                </bean>
                <bean class="org.springframework.data.redis.cache.RedisCache">
                    <constructor-arg name="redisOperations" ref="redisTemplate"></constructor-arg>
                    <constructor-arg name="name" value="afTypeAllList"></constructor-arg>
                    <constructor-arg name="prefix" value="dbAF:"></constructor-arg>
                    <constructor-arg name="expiration" value="7200"></constructor-arg>
                </bean>
            </set>
        </property>
    </bean>
</beans>

 

⑤，springmvc-servlet.xml

這個也不用看，大家自己配自己的。

<?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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:p="http://www.springframework.org/schema/p"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                           http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
                           http://www.springframework.org/schema/context 
                           http://www.springframework.org/schema/context/spring-context-4.3.xsd  
                           http://www.springframework.org/schema/mvc 
                           http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
                           http://www.springframework.org/schema/aop 
						   http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
						   http://www.springframework.org/schema/tx 
                           http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"
                           default-lazy-init="true" >
	
	
	<!-- 默認的註解映射的支持 -->
	<mvc:annotation-driven />
	<!--靜態資源映射  -->
	<mvc:default-servlet-handler />

	<!-- 掃描Controller -->
	<context:component-scan base-package="com.kintech" use-default-filters="false">
		<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
		<context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController" />
	</context:component-scan>
	
	
	 <!-- 引入屬性文件 -->					
	<bean
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<value>classpath:properties/env.properties</value>
			</list>
		</property>
	</bean>	
	

	<!-- JSP視圖文件解析配置 -->
	<bean id="urlBasedViewResolver"
		class="org.springframework.web.servlet.view.UrlBasedViewResolver">
		<property name="prefix" value="/WEB-INF/view/" />
		<property name="suffix" value=".jsp" />
		<!-- <property name="viewClass" value="org.springframework.web.servlet.view.InternalResourceView" 
			/> -->
		<property name="viewClass"
			value="org.springframework.web.servlet.view.JstlView" />
	</bean>
	

	<!-- 上傳文件攔截，設置最大上傳文件大小 10M=10*1024*1024(B)=10485760 bytes -->
	<bean id="multipartResolver"
		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<property name="maxUploadSize">
			<value>104857600</value>
		</property>
		<property name="maxInMemorySize" value="20480" />
		<property name="defaultEncoding" value="UTF-8" />
		<property name="resolveLazily" value="true" />
	</bean>
	
	
	<!-- 消息轉換器   -->
	<mvc:annotation-driven>
		<mvc:message-converters>
		   <bean class="org.springframework.http.converter.StringHttpMessageConverter">
		       <property name="defaultCharset" value="UTF-8" />
		   </bean> 
			
		 	<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">  
                 <property name="objectMapper">
                    <bean class="com.kintech.common.MyObjectMapper" />  
                 </property> 
            </bean>   
            
		</mvc:message-converters>
	</mvc:annotation-driven>
	
	
    <!-- mvc Exception handler -->
	<bean id="handlerExceptionResolver"
		class="com.kintech.web.AnnotationHandlerMethodExceptionResolver">
		<property name="defaultErrorView" value="error/500" /> <!--500錯誤頁面 -->
		<property name="defaultErrorView403" value="error/403" /> <!--403錯誤頁面 -->
		<property name="messageConverters">
			<list>
				<bean
					class="org.springframework.http.converter.ByteArrayHttpMessageConverter" />
				<!-- JSON轉換器無需設置mediaType,由外部客戶端調用時，手動設置相關mediaType -->
				<bean
					class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />
			</list>
		</property>
	</bean>
	
	<!-- aop日誌   -->
	<aop:aspectj-autoproxy proxy-target-class="true" />
	<bean id="logAopAction" class="com.kintech.web.SysLog.LogAopAction" />


	<!-- 配置國際化資源文件路徑 -->
	<bean id="messageSource"
		class="org.springframework.context.support.ResourceBundleMessageSource">
		<property name="basename">
			<!-- 定義消息資源文件的相對路徑 -->
			<value>languages/lang</value>
		</property>
	</bean>
	<bean id="localeResolver"
		class="org.springframework.web.servlet.i18n.CookieLocaleResolver">
		<property name="cookieMaxAge" value="604800" />
		<property name="defaultLocale" value="${defaultLocale}" />
		<property name="cookieName" value="language"></property>
	</bean>

</beans>

 

⑥，web.xml

沒什麼太大花頭，就是呸呸呸。。。

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1">
  <display-name>test</display-name>
  <description>test</description>
  <context-param>
    <param-name>webAppRootKey</param-name>
    <param-value>test.root</param-value>
  </context-param>
  <context-param>
    <param-name>log4jConfigLocation</param-name>
    <param-value>classpath:log4j/log4j.properties</param-value>
  </context-param>
  <context-param>
    <param-name>log4jRefreshInterval</param-name>
    <param-value>6000</param-value>
  </context-param>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring/applicationContext.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.util.Log4jConfigListener
    </listener-class>
  </listener>
  <listener>
    <description>spring監聽器</description>
    <listener-class>org.springframework.web.context.ContextLoaderListener
    </listener-class>
  </listener>
  <listener>
    <description>防止內存泄露</description>
    <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
  </listener>
  <listener>
    <listener-class>
      org.springframework.web.context.request.RequestContextListener
    </listener-class>
  </listener>

  <filter>
    <filter-name>springSessionRepositoryFilter</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>springSessionRepositoryFilter</filter-name>
    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher>
    <dispatcher>ERROR</dispatcher>
  </filter-mapping>
  <filter>
    <filter-name>characterEncodingFilter</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>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <servlet>
    <servlet-name>test</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet
    </servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring/springmvc-servlet.xml</param-value>
    </init-param>
    <init-param>
      <param-name>detectAllHandlerExceptionResolvers</param-name>
      <param-value>false</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>test</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  <session-config>
    <session-timeout>120</session-timeout>
    <tracking-mode>COOKIE</tracking-mode>
  </session-config>

</web-app>

 

⑦，pom文件

主要是JPA註釋這一塊，注意順序

<?xml version="1.0"?>
<project
        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.kintech</groupId>
    <artifactId>kintech.parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>kintech.test</artifactId>
  <packaging>war</packaging>
  <name>kintech.test</name>
  <url>http://maven.apache.org</url>

  <dependencies>
    <dependency>
      <groupId>com.kintech</groupId>
      <artifactId>kintech.web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
    </dependency>

<!--  JPA  -->
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-core</artifactId>
      <version>5.4.12.Final</version>
    </dependency>
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-entitymanager</artifactId>
      <version>5.4.12.Final</version>
    </dependency>
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-ehcache</artifactId>
      <version>5.0.5.Final</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.data</groupId>
      <artifactId>spring-data-jpa</artifactId>
      <version>1.11.13.RELEASE</version>
    </dependency>
<!--  JPA  -->

  </dependencies>

</project>

 

五，測試