SSM框架整合
Spring整合SpringMVC，Mybatis
- 项目构建
-
- 目录结构
- 导入依赖
-
- pom.xml文件
- log4j2.xml 模板
- web.xml
- 配置文件
-
- Spring配置文件
- SpringMVC配置文件
- Mybatis配置文件
-
- spring-mybatis.xml
- jdbc.properties
- mybatis-config.xml全局配置文件
- 编码
-
- bean
- dao层
- mapper
- controller
- service层
- 测试
项目构建
目录结构
导入依赖
pom.xml文件
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0modelVersion>
<packaging>warpackaging>
<groupId>org.examplegroupId>
<artifactId>spring002artifactId>
<version>1.0-SNAPSHOTversion>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.pluginsgroupId>
<artifactId>maven-compiler-pluginartifactId>
<configuration>
<source>8source>
<target>8target>
configuration>
plugin>
<plugin>
<groupId>org.apache.maven.pluginsgroupId>
<artifactId>maven-surefire-pluginartifactId>
<version>2.12.4version>
<configuration>
<skipTests>trueskipTests>
configuration>
plugin>
plugins>
build>
<name>spring002name>
<url>http://www.example.comurl>
<properties>
<project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
<maven.compiler.source>1.7maven.compiler.source>
<maven.compiler.target>1.7maven.compiler.target>
<spring.version>5.1.10.RELEASEspring.version>
properties>
<dependencies>
<dependency>
<groupId>org.apache.maven.pluginsgroupId>
<artifactId>maven-compiler-pluginartifactId>
<version>2.3.2version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-contextartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-context-supportartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-beansartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-coreartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-expressionartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-aopartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-jdbcartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-txartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webmvcartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-testartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>commons-logginggroupId>
<artifactId>commons-loggingartifactId>
<version>1.2version>
dependency>
<dependency>
<groupId>commons-fileuploadgroupId>
<artifactId>commons-fileuploadartifactId>
<version>1.3.3version>
dependency>
<dependency>
<groupId>org.apache.logging.log4jgroupId>
<artifactId>log4j-coreartifactId>
<version>2.10.0version>
dependency>
<dependency>
<groupId>com.fasterxml.jackson.coregroupId>
<artifactId>jackson-databindartifactId>
<version>2.11.3version>
dependency>
<dependency>
<groupId>org.codehaus.jacksongroupId>
<artifactId>jackson-core-aslartifactId>
<version>1.9.13version>
dependency>
<dependency>
<groupId>com.fasterxml.jackson.coregroupId>
<artifactId>jackson-annotationsartifactId>
<version>2.11.3version>
dependency>
<dependency>
<groupId>org.codehaus.jacksongroupId>
<artifactId>jackson-mapper-aslartifactId>
<version>1.9.13version>
dependency>
<dependency>
<groupId>org.apache.tomcat.embedgroupId>
<artifactId>tomcat-embed-coreartifactId>
<version>9.0.39version>
<scope>compilescope>
dependency>
<dependency>
<groupId>org.projectlombokgroupId>
<artifactId>lombokartifactId>
<version>RELEASEversion>
<scope>compilescope>
dependency>
<dependency>
<groupId>com.alibabagroupId>
<artifactId>druidartifactId>
<version>1.1.16version>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
<version>5.1.49version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatisartifactId>
<version>3.2.2version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatis-springartifactId>
<version>1.2.0version>
dependency>
<dependency>
<groupId>org.projectlombokgroupId>
<artifactId>lombokartifactId>
<version>RELEASEversion>
<scope>compilescope>
dependency>
<dependency>
<groupId>org.testnggroupId>
<artifactId>testngartifactId>
<version>RELEASEversion>
<scope>compilescope>
dependency>
<dependency>
<groupId>junitgroupId>
<artifactId>junitartifactId>
<version>4.13.1version>
<scope>compilescope>
dependency>
dependencies>
project>
log4j2.xml 模板
<Configuration>
<Appenders>
<Console name="STDOUT" target="SYSTEM_OUT">
<PatternLayout pattern="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
Console>
<RollingFile name="RollingFile" fileName="logs/log1.log"
filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz">
<PatternLayout>
<Pattern>%d{MM-dd-yyyy} %p %c{1.} [%t] -%M-%L- %m%nPattern>
PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy />
<SizeBasedTriggeringPolicy size="1 KB"/>
Policies>
<DefaultRolloverStrategy fileIndex="max" max="2"/>
RollingFile>
Appenders>
<Loggers>
<Logger name="com.opensymphony.xwork2" level="WAN"/>
<Logger name="org.apache.struts2" level="WAN"/>
<Root level="warn">
<AppenderRef ref="STDOUT"/>
Root>
Loggers>
Configuration>
web.xml
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<welcome-file-list>
<welcome-file>index.htmlwelcome-file>
welcome-file-list>
<context-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:spring/spring*.xmlparam-value>
context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListenerlistener-class>
listener>
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListenerlistener-class>
listener>
<servlet>
<servlet-name>SpringDispatcherServletservlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
<init-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:spring-mvc.xmlparam-value>
init-param>
<load-on-startup>1load-on-startup>
servlet>
<servlet-mapping>
<servlet-name>SpringDispatcherServletservlet-name>
<url-pattern>/url-pattern>
servlet-mapping>
web-app>
配置文件
spring 配置文件模板
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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:util="http://www.springframework.org/schema/util" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:cache="http://www.springframework.org/schema/cache"
xsi:schemaLocation="http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
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/jdbc
http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
http://www.springframework.org/schema/cache
http://www.springframework.org/schema/cache/spring-cache-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util.xsd">
beans>
Spring配置文件
spring.xml配置文件
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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:util="http://www.springframework.org/schema/util" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:cache="http://www.springframework.org/schema/cache"
xsi:schemaLocation="http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
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/jdbc
http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
http://www.springframework.org/schema/cache
http://www.springframework.org/schema/cache/spring-cache-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util.xsd">
<context:component-scan base-package="com.zxg"/>
<bean id="user1" class="com.zxg.bean.User">
<property name="name" value="user1"/>
<property name="age" value="22"/>
bean>
beans>
其中数据库的配置放入了spring-mybatis.xml
SpringMVC配置文件
spring-mvc.xml配置文件
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
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
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:annotation-config/>
<context:component-scan base-package="com.zxg.controller"/>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/"/>
<property name="suffix" value=".jsp"/>
bean>
<mvc:default-servlet-handler/>
<mvc:annotation-driven/>
beans>
Mybatis配置文件
spring-mybatis.xml
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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:util="http://www.springframework.org/schema/util" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:cache="http://www.springframework.org/schema/cache"
xsi:schemaLocation="http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
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/jdbc
http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
http://www.springframework.org/schema/cache
http://www.springframework.org/schema/cache/spring-cache-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util.xsd">
<context:component-scan base-package="com.zxg.dao"/>
<bean id="jdbcProperties" class="org.springframework.context.support.PropertySourcesPlaceholderConfigurer"
p:location="classpath:mybatis/jdbc.properties">
bean>
<bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="driverClassName" value="${jdbc.drivername}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<property name="initialSize" value="${initialSize}"/>
<property name="maxActive" value="${maxActive}"/>
<property name="minIdle" value="${minIdle}"/>
<property name="maxWait" value="${maxWait}"/>
<property name="validationQuery" value="${validationQuery}"/>
<property name="testOnBorrow" value="${testOnBorrow}"/>
<property name="testOnReturn" value="${testOnReturn}"/>
<property name="testWhileIdle" value="${testWhileIdle}"/>
<property name="timeBetweenEvictionRunsMillis" value="${timeBetweenEvictionRunsMillis}"/>
<property name="minEvictableIdleTimeMillis" value="${minEvictableIdleTimeMillis}"/>
<property name="removeAbandoned" value="${removeAbandoned}"/>
<property name="removeAbandonedTimeout" value="${removeAbandonedTimeout}"/>
<property name="logAbandoned" value="${logAbandoned}"/>
<property name="filters" value="${filters}"/>
bean>
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dataSource"/>
bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean" p:dataSource-ref="dataSource"
p:configLocation="classpath:mybatis/mybatis-config.xml" p:mapperLocations="classpath:mapper/UserMapper.xml"/>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer" p:basePackage="com.zxg.dao"
p:sqlSessionFactoryBeanName="sqlSessionFactory"/>
beans>
jdbc.properties
jdbc.drivername=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/zxg?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone=GMT%2B8
jdbc.username=root
jdbc.password=451311677zxg
initialSize=0
maxActive=20
maxIdle=20
minIdle=0
maxWait=10000
validationQuery=SELECT 1
testOnBorrow=false
testOnReturn=false
testWhileIdle=true
timeBetweenEvictionRunsMillis=6000
minEvictableIdleTimeMillis=25200000
removeAbandoned=true
removeAbandonedTimeout=1800
logAbandoned=true
filters=stat
mybatis-config.xml全局配置文件
<configuration>
<settings>
<setting name="logImpl" value="STDOUT_LOGGING" />
<setting name="cacheEnabled" value="true"/>
<setting name="lazyLoadingEnabled" value="false"/>
<setting name="aggressiveLazyLoading" value="false"/>
<setting name="localCacheScope" value="SESSION"/>
settings>
configuration>
编码
bean
package com.zxg.bean;
import lombok.Data;
import lombok.ToString;
@ToString
@Data
public class User {
private Integer id;
private String name;
private Integer age;
public User(String name,int age){
this.name = name;
this.age = age;
}
public User() {
}
}
dao层
package com.zxg.dao;
import com.zxg.bean.User;
public interface UserDao {
User findUserById(Integer id);
}
mapper
<mapper namespace="com.zxg.dao.UserDao">
<select id="findUserById" resultType="com.zxg.bean.User">
select id,name,age from user where id=#{id}
select>
mapper>
controller
package com.zxg.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class ControllerTest {
@RequestMapping("/hello")
public String test(){
System.out.println("##########hello#######");
return "hello";
}
}
service层
public interface UserService {
User findUserById(Integer id);
}
@Service("userService")
public class UserServiceImpl implements UserService {
@Autowired
private UserDao userDao;
@Override
public User findUserById(Integer id) {
return userDao.findUserById(id);
}
}
测试
基类
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {
"classpath:spring/spring.xml", "classpath:spring/spring-mybatis.xml"})
public class BaseTest {
}
测试类
public class UserDaoTest extends BaseTest {
@Autowired
private UserService userService;
@Test
public void test(){
ApplicationContext ctx = new ClassPathXmlApplicationContext("spring/spring.xml");
User user1 = (User) ctx.getBean("user1");
User user2 = (User) ctx.getBean("user2");
System.out.println(user1);
System.out.println(user2);
}
@Test
public void findUserById(){
User user = userService.findUserById(1);
System.out.println(user);
}
}