springmvc+spring+mybatis 簡單搭建

時間 2019-11-11

標籤 springmvc+spring+mybatis springmvc spring mybatis 簡單搭建欄目 MyBatis 简体版

原文原文鏈接

源碼：https://github.com/lewesYang/java_ssm_demo
java

pom.xml
mysql

<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>com.bift</groupId>
	<artifactId>demo</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>wechat_demo Maven Webapp</name>
	<url>http://maven.apache.org</url>
	<dependencies>

		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>3.2.11.RELEASE</version>
			<scope>compile</scope>
			<exclusions>
				<exclusion>
					<groupId>commons-logging</groupId>
					<artifactId>commons-logging</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.aspectj</groupId>
			<artifactId>aspectjweaver</artifactId>
			<version>1.8.0</version>
		</dependency>
		<dependency>
			<groupId>cglib</groupId>
			<artifactId>cglib</artifactId>
			<version>3.1</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.2.7</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.2</version>
		</dependency>
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>1.0.9</version>
		</dependency>
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.30</version>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.1.0</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>jsp-api</artifactId>
			<version>2.1</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.8.2</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>3.2.11.RELEASE</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>jcl-over-slf4j</artifactId>
			<version>1.7.7</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>1.7.7</version>
		</dependency>
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.17</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>1.7.7</version>
		</dependency>
		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-databind</artifactId>
			<version>2.3.3</version>
		</dependency>

		<dependency>
			<groupId>org.jdom</groupId>
			<artifactId>jdom</artifactId>
			<version>1.1.3</version>
		</dependency>
		<dependency>
			<groupId>commons-fileupload</groupId>
			<artifactId>commons-fileupload</artifactId>
			<version>1.3</version>
		</dependency>
	</dependencies>
	<build>
		<finalName>wechat_demo</finalName>
		<resources>
			<resource>
				<directory>src/main/java</directory>
				<includes>
					<include>**/*.xml</include>
					<include>**/*.properties</include>
				</includes>
			</resource>
			<resource>
				<directory>src/main/resources</directory>
				<includes>
					<include>**/*.xml</include>
					<include>**/*.properties</include>
				</includes>
			</resource>
		</resources>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>2.5.1</version>
				<configuration>
					<source>1.6</source>
					<target>1.6</target>
					<encoding>UTF-8</encoding>
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-surefire-plugin</artifactId>
				<version>2.12.4</version>
				<configuration>
					<includes>
						<include>**/*Tests.java</include>
					</includes>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-resources-plugin</artifactId>
				<version>2.6</version>
				<configuration>
					<encoding>UTF-8</encoding>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.tomcat.maven</groupId>
				<artifactId>tomcat7-maven-plugin</artifactId>
				<version>2.2</version>
				<configuration>
					<path>/</path>
					<server>admin</server>
					<username>admin</username>
					<password>admin</password>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

springMVC 配置文件（名字爲：dispatcher-servlet.xml）git

<?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"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.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-3.0.xsd"
	default-lazy-init="true">

	<bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
		<property name="exceptionMappings">
			<props>
				<prop key="org.springframework.dao.DataAccessException">
					dataAccessFailure
				</prop>
			</props>
		</property>
	</bean>

	<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<property name="maxUploadSize" value="2097152" />
	</bean>
	<!-- Configures the @Controller programming model -->
	<mvc:annotation-driven />
        //這裏須要注意一下 若是controller包下直接爲類如下寫法便可 若是有子包 須要加上.*
	<context:component-scan base-package="com.lewesyang.controller" />
	
	<!-- 靜態資源文件，不會被Spring MVC攔截 -->
	<mvc:resources location="/resource/" mapping="/resource/**" />
	<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
		<property name="messageConverters">
			<list>
				<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />
			</list>
		</property>
	</bean>
	<bean id="viewResolver"	class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/pages/" />
		<property name="suffix" value=".jsp" />
	</bean>
</beans>

spring 配置文件 1github

<?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:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:websocket="http://www.springframework.org/schema/websocket"
	xmlns:task="http://www.springframework.org/schema/task"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.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 http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd http://www.springframework.org/schema/websocket http://www.springframework.org/schema/websocket/spring-websocket.xsd">
	<!-- Activates scanning of @Autowired -->
	<context:annotation-config />

	<!-- Activates scanning of @Repository and @Service -->
	<context:component-scan base-package="com.lewesyang.service.*" />

	<task:annotation-driven />
</beans>

2web

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

    <!-- Activates scanning of @Autowired -->
    <context:annotation-config/>
    <!-- Activates scanning of @Repository and @Service -->
    <context:component-scan base-package="com.lewesyang.service.*"/>
</beans>

3spring

<?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:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:task="http://www.springframework.org/schema/task"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.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 http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd">
	<context:property-placeholder location="classpath:*.properties" />
	<!-- Add new DAOs here -->
	<!--destroy-method="close"的做用是當數據庫鏈接不使用的時候,就把該鏈接從新放到數據池中,方便下次使用調用 -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
		init-method="init" destroy-method="close">
		<!-- 基本屬性 url、model、password -->
		<property name="driverClassName" value="${jdbc.driverClassName}" />
		<property name="url" value="${jdbc.url}" />
		<property name="username" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />
		<!-- 配置初始化大小、最小、最大 -->
		<property name="initialSize" value="1" />
		<property name="minIdle" value="1" />
		<property name="maxActive" value="20" />
		<!-- 配置獲取鏈接等待超時的時間 -->
		<property name="maxWait" value="60000" />
		<!-- 配置間隔多久才進行一次檢測，檢測須要關閉的空閒鏈接，單位是毫秒 -->
		<property name="timeBetweenEvictionRunsMillis" value="60000" />
		<!-- 配置一個鏈接在池中最小生存的時間，單位是毫秒 -->
		<property name="minEvictableIdleTimeMillis" value="300000" />
		<property name="validationQuery" value="SELECT 0 from dual" />
		<property name="testWhileIdle" value="true" />
		<property name="testOnBorrow" value="false" />
		<property name="testOnReturn" value="false" />
		<!-- 打開PSCache，而且指定每一個鏈接上PSCache的大小 若是用Oracle，則把poolPreparedStatements配置爲true，mysql能夠配置爲false。分庫分表較多的數據庫，建議配置爲false。 -->
		<property name="poolPreparedStatements" value="false" />
		<property name="maxPoolPreparedStatementPerConnectionSize"
			value="20" />
		<!-- 配置監控統計攔截的filters -->
		<property name="filters" value="stat,wall" />
	</bean>
	<!-- 配置sessionFactory -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<property name="mapperLocations" value="classpath*:mybatis/*.xml" />
	</bean>
	<!-- 掃描全部Mapper接口文件 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="searchengine.mapper" />
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
	</bean>
	<!-- 配置事務 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	</bean>
	<!-- 定義事務通知(主要是針對指定事務管理器對應的事務實現配置事務參數) -->
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<!-- 對選定的方法配置詳細的事務屬性 -->
			<!-- 一次執行屢次查詢來統計某些信息，這時爲了保證數據總體的一致性，要用只讀事務 -->
			<tx:method name="get*" read-only="true" /><!-- 只讀事務中不能對數據庫作更改插入操做 -->

			<tx:method name="save*"   rollback-for="Exception"	propagation="REQUIRED" />
			<tx:method name="update*" rollback-for="Exception"	propagation="REQUIRED" />
			<tx:method name="delete*" rollback-for="Exception"	propagation="REQUIRED" />
			<tx:method name="insert*" rollback-for="Exception"	propagation="REQUIRED" />
			<tx:method name="remove*" rollback-for="Exception"	propagation="REQUIRED" />
			<tx:method name="modify*" rollback-for="Exception"	propagation="REQUIRED" />
			<tx:method name="create*" rollback-for="Exception"	propagation="REQUIRED" />
			<tx:method name="add*"    rollback-for="Exception"  propagation="REQUIRED" />
			<!-- service層對數據庫的更改以上面name的格式命名 支持事務   -->
			<tx:method name="*" propagation="SUPPORTS" />
		</tx:attributes>
	</tx:advice>
	<!--啓用事務註解配置 -->
	<tx:annotation-driven transaction-manager="transactionManager" />
	<!-- 事務AOP配置 -->
	<aop:config>
		<!-- 聲明事務切入點(配置哪些類的哪些方法參與事務) -->
		<aop:pointcut id="AllServiceMethod"
			expression="execution(* com.lewesyang.service.*.impl.*Impl.*(..))" />
		<!-- 通知器(把事務通知綁定到切入點) -->
		<aop:advisor pointcut-ref="AllServiceMethod" advice-ref="txAdvice" />
	</aop:config>
</beans>

以上spring相關配置能夠寫在一個xml中；sql

jdbc 配置
數據庫

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=
jdbc.validationQuery=select 1 from dual

log4j配置
express

log4j.rootLogger =DEBUG,stdout
log4j.logger.org.springframework=INFO
log4j.logger.org.apache.commons=INFO
log4j.logger.org.apache=DEBUG
log4j.logger.java.sql =DEBUG
log4j.logger.com.ycombo.mapper=TRACE

#-----------------stdout logger--------------------------------------
log4j.appender.stdout =org.apache.log4j.ConsoleAppender
#log4j.appender.stdout.Target =System.out
log4j.appender.stdout.layout =org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = %5p [%C:%M] -%m%n
#log4j.appender.stdout.layout.ConversionPattern =%d{yyyy MM dd HH:mm:ss} %5p %C:%M:%L - %m%n

#-------------- debug Logger ----------------------------------------
log4j.appender.lv_debug =org.apache.log4j.DailyRollingFileAppender
log4j.appender.lv_debug.File =../logs/admin_debug.log
log4j.appender.lv_debug.DatePattern='.'yyyy-MM-dd
log4j.appender.lv_debug.Append=true
log4j.appender.lv_debug.Threshold = DEBUG
log4j.appender.lv_debug.layout =org.apache.log4j.PatternLayout
log4j.appender.lv_debug.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [%p] -[%c] %m%n
#log4j.appender.lv_debug.layout.ConversionPattern =%n+<%d{yyyy-MM-dd HH:mm:ss-S}><%l>%n+<%-5p>---<%t><%m>%n

#-------------- error logger -----------------------------------------
log4j.appender.lv_error = org.apache.log4j.DailyRollingFileAppender
log4j.appender.lv_error.File = ../logs/admin_error.log
log4j.appender.lv_error.DatePattern='.'yyyy-MM-dd
log4j.appender.lv_error.Append = true
log4j.appender.lv_error.Threshold = ERROR
log4j.appender.lv_error.layout = org.apache.log4j.PatternLayout
log4j.appender.lv_error.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [%p] -[%c] %m%n

web.xmlapache

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
	<display-name>demo</display-name>
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>
			/WEB-INF/applicationContext*.xml
		</param-value>
	</context-param>
	<!-- ContextLoaderListener監聽器的做用就是啓動Web容器時，自動裝配ApplicationContext的配置信息。 
		由於它實現了ServletContextListener這個接口，在web.xml配置這個監聽器，啓動容器時，就會默認執行它實現的方法 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<listener>
		<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
	</listener>
	<servlet>
		<servlet-name>dispatcher</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>dispatcher</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
</web-app>

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