1:使用idea建立一个web项目

2:引入pom依赖
<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>4.0.0</modelVersion>
<groupId>com.frame</groupId>
<artifactId>ssm</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.framework.version>5.2.8.RELEASE</spring.framework.version>
<aspectj.version>1.8.13</aspectj.version>
<jackson.version>2.9.1</jackson.version>
<logback.version>1.2.3</logback.version>
</properties>
<dependencies>
<!-- 添加 commons 依赖包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.6</version>
</dependency>
<!-- 添加 spring 依赖包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<!-- 添加 aspectJ 依赖包 -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${aspectj.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${aspectj.version}</version>
</dependency>
<!-- 添加 mybatis 依赖包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<!-- 添加 druid 依赖包 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.9</version>
</dependency>
<!-- 添加 mysql 驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
<!-- 添加 jackson 依赖包 -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.11.1</version>
</dependency>
<!-- 添加 servlet 依赖包 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<!-- 添加 jstl 依赖包 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- 添加 logback 依赖包 -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.12</version>
<scope>provided</scope>
</dependency>
<!-- log -->
<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.1.11</version>
</dependency>
<dependency>
<groupId>org.logback-extensions</groupId>
<artifactId>logback-ext-spring</artifactId>
<version>0.1.1</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.25</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
3: 在src/main新建java和resource文件夹
1:将java文件夹marked directory as source root 2:将resource新建resource文件夹
4:在resource新建以下文件

5:spring配置文件applicationContent.xml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:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
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-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">
<!-- 自动扫描指定目录,将控制器加载到bean -->
<context:component-scan base-package="com.ssm.demo" />
<context:property-placeholder location="classpath:conf/*.properties"/>
<!-- 配置 druid 数据源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- 基本属性 url、user、password、driverClass -->
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
</bean>
<!-- 配置 sessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations">
<list>
<value>classpath:mapper/*Mapper.xml</value>
</list>
</property>
</bean>
<!-- 配置 sqlSessionTemplate 持久化模板 -->
<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg ref="sqlSessionFactory" />
</bean>
<!-- 配置事物管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 配置事物传播行为 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="get*" read-only="true" />
<tx:method name="find*" read-only="true" />
<tx:method name="select*" read-only="true" />
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
<!-- 配置事物切入点 -->
<aop:config>
<aop:pointcut expression="execution(* com.ssm.demo.service.*.*(..))" id="pointCut" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="pointCut" />
</aop:config>
<!-- 开始声明式事务(事物注解) -->
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>
6:springMVC配置文件
<?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-4.3.xsd">
<!-- 配置视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/jsp/" />
<property name="suffix" value=".jsp" />
<!-- 可为空,方便实现自已的依据扩展名来选择视图解释类的逻辑 -->
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
</bean>
<!-- 返回json 需导入 jackson-annotations.jar,jackson-core.jar,jackson-databind.jar -->
<!-- 通过处理器映射DefaultAnnotationHandlerMapping来开启支持@Controller注解 -->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" />
<!-- 通过处理器适配器AnnotationMethodHandlerAdapter来开启支持@RequestMapping注解 -->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<property name="messageConverters">
<list>
<!-- 配置返回字符串编码 -->
<bean
class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html; charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
<!-- 配置 json 转换器 -->
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html; charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
</list>
</property>
</bean>
</beans>
7:jdbc.properties配置文件
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/demo?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull jdbc.username=axin jdbc.password=19950925
8:log4j.properties配置文件
log4j.rootLogger=DEBUG,stdout
log4j.logger.com.mchange.v2 = INFO
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss,SSS} [%t] [%c]-[%p] %m%n
9:logback.xml配置文件
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<!-- 尽量别用绝对路径,如果带参数不同容器路径解释可能不同,以下配置参数在pom.xml里 -->
<property name="log.root.level" value="info" /> <!-- 日志级别 -->
<property name="log.other.level" value="info" /> <!-- 其他日志级别 -->
<property name="log.base" value="e:/log" /> <!-- 日志路径,这里是相对路径,web项目eclipse下会输出到eclipse的安装目录下,如果部署到linux上的tomcat下,会输出到tomcat/bin目录 下 -->
<property name="log.moduleName" value="ssm.log" /> <!-- 模块名称, 影响日志配置名,日志文件名 -->
<property name="log.max.size" value="100MB" /> <!-- 日志文件大小,超过这个大小将被压缩 -->
<!--控制台输出 -->
<appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>%date{yyyy-MM-dd HH:mm:ss.SSS} %-5level[%thread]%logger{56}.%method\(\):%L -%msg%n</Pattern>
</encoder>
</appender>
<!-- 用来保存输出所有级别的日志 -->
<appender name="file.all" class="ch.qos.logback.core.rolling.RollingFileAppender">
<File>${log.base}/${log.moduleName}.log</File><!-- 设置日志不超过${log.max.size}时的保存路径,注意如果
是web项目会保存到Tomcat的bin目录 下 -->
<!-- 滚动记录文件,先将日志记录到指定文件,当符合某个条件时,将日志记录到其他文件。 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>${log.base}/archive/${log.moduleName}_all_%d{yyyy-MM-dd}.%i.log.zip
</FileNamePattern>
<!-- 文件输出日志 (文件大小策略进行文件输出,超过指定大小对文件备份) -->
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${log.max.size}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
<!-- 日志输出的文件的格式 -->
<layout class="ch.qos.logback.classic.PatternLayout">
<pattern>%date{yyyy-MM-dd HH:mm:ss.SSS} %-5level[%thread]%logger{56}.%method\(\):%L -%msg%n</pattern>
</layout>
</appender>
<!-- 这也是用来保存输出所有级别的日志 -->
<appender name="file.all.other" class="ch.qos.logback.core.rolling.RollingFileAppender">
<File>${log.base}/${log.moduleName}_other.log</File>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>${log.base}/archive/${log.moduleName}_other_%d{yyyy-MM-dd}.%i.log.zip
</FileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${log.max.size}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
<layout class="ch.qos.logback.classic.PatternLayout">
<pattern>%date{yyyy-MM-dd HH:mm:ss.SSS} %-5level [%thread] %logger{56}.%method\(\):%L -%msg%n</pattern>
</layout>
</appender>
<!-- 只用保存输出error级别的日志 -->
<appender name="file.error"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<File>${log.base}/${log.moduleName}_err.log</File>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>${log.base}/archive/${log.moduleName}_err_%d{yyyy-MM-dd}.%i.log.zip
</FileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${log.max.size}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
<layout class="ch.qos.logback.classic.PatternLayout">
<pattern>%date{yyyy-MM-dd HH:mm:ss.SSS} %-5level [%thread] %logger{56}.%method\(\):%L - %msg%n</pattern>
</layout>
<!-- 下面为配置只输出error级别的日志 -->
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<!-- 不丢失日志.默认的,如果队列的80%已满,则会丢弃TRACT、DEBUG、INFO级别的日志 -->
<!-- 更改默认的队列的深度,该值会影响性能.默认值为256 -->
<!-- 添加附加的appender,最多只能添加一个 -->
<appender name="file.async" class="ch.qos.logback.classic.AsyncAppender">
<discardingThreshold>0</discardingThreshold>
<queueSize>256</queueSize>
<includeCallerData>true</includeCallerData>
<appender-ref ref="file.all" />
</appender>
<appender name="file.async.other" class="ch.qos.logback.classic.AsyncAppender">
<discardingThreshold>0</discardingThreshold>
<queueSize>256</queueSize>
<includeCallerData>true</includeCallerData>
<appender-ref ref="file.all.other" />
</appender>
<!-- 为某个包下的所有类的指定Appender 这里也可以指定类名称例如:com.aa.bb.ClassName -->
<logger name="com.yyt" additivity="false">
<level value="${log.root.level}" />
<appender-ref ref="stdout" />
<appender-ref ref="file.async" /><!-- 即com.li包下级别为 ${log.root.level}的才会使用file.async来打印 -->
<appender-ref ref="file.error" />
</logger>
<logger name="org.apache.ibatis" level="DEBUG">
<appender-ref ref="STDOUT"/>
</logger>
<logger name="java.sql" level="debug">
<appender-ref ref="STDOUT"/>
</logger>
<!-- root将级别为${log.root.level}及大于${log.root.level}的日志信息交给已经配置好的名为“Console”的appender处理,“Console”appender将信息打印到Console,其它同理 -->
<root level="${log.root.level}">
<appender-ref ref="stdout" /> <!-- 标识这个appender将会添加到这个logger -->
<appender-ref ref="file.async.other" />
<appender-ref ref="file.error" />
</root>
</configuration>
10 mappera.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.frame.mapper.DemoMapper">
<resultMap type="com.ssm.demo.entity.User" id="userResultMap">
<!-- 定义主键 ,非常重要。如果是多个字段,则定义多个id -->
<!-- property:主键在pojo中的属性名 -->
<!-- column:主键在数据库中的列名 -->
<id property="id" column="id" />
<!-- 定义普通属性 -->
<result property="name" column="name" />
</resultMap>
<select id="getTest" resultMap="userResultMap">
SELECT '1' id, 'guoxin' name from dual
</select>
</mapper>
配置webapp下的文件 web.xml的配置
<?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"
id="WebApp_ID" version="3.1">
<display-name>ssm</display-name>
<!-- 过滤器解决中文乱码问题、强制编码 UTF-8 -->
<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>forceRequestEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 配置 springMVC 基本配置 -->
<servlet>
<servlet-name>springMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 配置 spring 监听器 -->
<!-- needed for ContextLoaderListener -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/applicationContext.xml</param-value>
</context-param>
<!-- Bootstraps the root web application context before servlet initialization -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>logbackConfigLocation</param-name>
<param-value>classpath:log/logback.xml</param-value>
</context-param>
<listener>
<listener-class>ch.qos.logback.ext.spring.web.LogbackConfigListener</listener-class>
</listener>
<!-- 配置欢迎页 -->
<welcome-file-list>
<welcome-file>jsp/index.jsp</welcome-file>
</welcome-file-list>
</web-app>
hello.jsp
<html>
<body>
<h2>Hello axin! ${aaa}</h2>
</body>
</html>
java案例

DemoController.java
package com.ssm.demo.controller;
import com.ssm.demo.entity.User;
import com.ssm.demo.service.DemoService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.annotation.Resource;
@RestController
public class DemoController {
@Resource
private DemoService demoService;
private static final Logger LOG = LoggerFactory.getLogger(DemoController.class);
@RequestMapping("/hello")
public User hello() {
LOG.info("输出日志");
User test = demoService.test();
return test;
}
}
User.java
package com.ssm.demo.entity;
import lombok.*;
@ToString
@Data
@AllArgsConstructor
@NoArgsConstructor
@EqualsAndHashCode
public class User {
private int id;
private String name;
}
DemoService.java
package com.ssm.demo.service;
import com.ssm.demo.entity.User;
public interface DemoService {
User test();
}
DemoServiceImpl.java
package com.ssm.demo.service.impl;
import com.ssm.demo.entity.User;
import com.ssm.demo.service.DemoService;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service("demoService")
public class DemoServiceImpl implements DemoService {
@Autowired
private SqlSessionTemplate sqlSessionTemplate;
// mybatis sql模板的命名空间
private static final String NAMESPACE = "com.frame.mapper.DemoMapper";
@Override
public User test() {
return (User)sqlSessionTemplate.selectOne(NAMESPACE + ".getTest");
}
}
配置tomcat

选择tomcat Server

配置好项目的application context,即访问路径

启动tomcat

访问
输入:http://localhost:8080/ssm/

输入:http://localhost:8080/ssm/hello


