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
总结
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原文链接:https://blog.csdn.net/weixin_40505132/article/details/108569484