耗时长、配置文件繁琐、jar包管理不好
导入jar包
<?xml version="1.0" encoding="UTF-8"?>
<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.djn</groupId>
<artifactId>qingcheng</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<!-- 集中定义依赖版本号 -->
<properties>
<junit.version>4.12</junit.version>
<spring.version>5.0.5.RELEASE</spring.version>
<pagehelper.version>4.1.4</pagehelper.version>
<servlet-api.version>2.5</servlet-api.version>
<dubbo.version>2.6.0</dubbo.version>
<zookeeper.version>3.4.7</zookeeper.version>
<zkclient.version>0.1</zkclient.version>
<mybatis.version>3.4.5</mybatis.version>
<mybatis.spring.version>1.3.1</mybatis.spring.version>
<mybatis.paginator.version>1.2.15</mybatis.paginator.version>
<mysql.version>5.1.32</mysql.version>
<druid.version>1.0.9</druid.version>
<commons-fileupload.version>1.3.1</commons-fileupload.version>
<spring.security.version>5.0.5.RELEASE</spring.security.version>
<jackson.version>2.9.8</jackson.version>
</properties>
<!-- 依赖管理标签 必须加 只负责锁定版本,不负责导入依赖 -->
<dependencyManagement>
<dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- dubbo相关 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>${dubbo.version}</version>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>${zookeeper.version}</version>
</dependency>
<dependency>
<groupId>com.github.sgroschupf</groupId>
<artifactId>zkclient</artifactId>
<version>${zkclient.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.47</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.1.GA</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency>
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>${pagehelper.version}</version>
</dependency>
<!-- Mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis.spring.version}</version>
</dependency>
<dependency>
<groupId>com.github.miemiedev</groupId>
<artifactId>mybatis-paginator</artifactId>
<version>${mybatis.paginator.version}</version>
</dependency>
<!-- MySql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<!-- 连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>${druid.version}</version>
</dependency>
<!-- 文件上传组件 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${commons-fileupload.version}</version>
</dependency>
<!-- 安全框架 -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-taglibs</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-cas</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>com.github.penggle</groupId>
<artifactId>kaptcha</artifactId>
<version>2.3.2</version>
<exclusions>
<exclusion>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>1.4.01</version>
</dependency>
<!-- 缓存 -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>2.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>
<!--通用Mapper-->
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper</artifactId>
<version>4.1.4</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.7</version>
</dependency>
<dependency>
<groupId>com.aliyun.oss</groupId>
<artifactId>aliyun-sdk-oss</artifactId>
<version>2.8.2</version>
</dependency>
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>6.2.1</version>
</dependency>
<dependency>
<groupId>org.springframework.amqp</groupId>
<artifactId>spring-rabbit</artifactId>
<version>2.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.20</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<!--设置maven jdk版本为1.8,默认是1.5-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
Maven资源过滤配置
将java目录下的xml或者其他文件加载到classpath中
<build>
<!--将java目录下的xml或者其他文件加载到classpath中-->
<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>
</build>
web.xml
首先保证是一个web项目,而web层是由springmvc做的,这里主要就是配置中心控制器DispatcherServlet和过滤器、全局配置之类的
<?xml version="1.0" encoding="UTF-8"?>
<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">
<!--1. 启动Spring容器-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--1.配置DispatcherServlet前端控制器,用于接收请求、拦截请求、分发请求给处理器-->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--DispatcherServlet 绑定Spring的配置文件 -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-servlet.xml</param-value>
</init-param>
<!--值越小,启动的越早-->
<load-on-startup>1</load-on-startup>
</servlet>
<!--
url-pattern / 和 /*的区别:
/ :匹配所有的请求,不匹配jsp页面
/*:匹配所有的请求,包括jsp页面
-->
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--2.字符编码过滤器-->
<filter>
<filter-name>encoding</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!--设置编码格式-->
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<!--是否允许上面的编码覆盖已经存在编码方式-->
<init-param>
<param-name>forceEncoding</param-name>
<param-value>false</param-value>
</init-param>
</filter>
<!--
/:不会匹配jsp页面,jsp还是会乱码
/*:也会匹配jsp页面
-->
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--3.session过期时间-->
<session-config>
<!--15分钟不刷新session就会过去-->
<session-timeout>15</session-timeout>
</session-config>
<!--4. 使用Rest风格的URL form表单中可以将post请求转为put或delete请求-->
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
applicationContext.xml
主配置文件,只负责import其他的配置
<?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: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.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd">
<!--导入spring-dao.xml-->
<import resource="classpath:spring-dao.xml"/>
<!--导入spring-service.xml-->
<import resource="classpath:spring-service.xml"/>
<!--导入spring-mvc.xm-->
<import resource="classpath:spring-mvc.xml"></import>
</beans>
spring-dao.xml
spring整合dao层
<?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: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.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd">
<!--1.扫描注解-->
<context:component-scan base-package="com.djn"></context:component-scan>
<!--2.关联数据库配置文件-->
<context:property-placeholder location="classpath:db.properties"></context:property-placeholder>
<!--3.数据库连接池 会代替mybatis-config中的连接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="${driverClassName}"/>
<property name="url" value="${url}"/>
<property name="username" value="${username}"/>
<property name="password" value="${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="10" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="10000" />
<!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="testWhileIdle" value="true" />
<!-- 这里建议配置为TRUE,防止取到的连接不可用 -->
<property name="testOnBorrow" value="true" />
<property name="testOnReturn" value="false" />
</bean>
<!--4.SqlSessionFactory-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!--mybatis的配置文件-->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<!--5.扫描dao接口,动态注入到容器中-->
<!--可能这里大家以前用的是注入一个SqlsessionTemplate或者是去继承SqlSessionSupport类,根据自己来吧,不过这种方式是最常用也最方便的,扫描后也就不需要手动创建dao的实现类和注入容器了-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--要扫描的dao包-->
<property name="basePackage" value="com.djn.dao"/>
<!--注入sqlSessionFactory-->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
</bean>
</beans>
db.properties
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.jdbcUrl = jdbc:mysql://localhost:3306/test
jdbc.user = root
jdbc.password = 123456
jdbc.miniPoolSize = 1
jdbc.maxPoolSize = 20
jdbc.initialPoolSize = 1
jdbc.maxIdleTime = 25000
jdbc.acquireIncrement = 1
jdbc.acquireRetryAttempts = 30
jdbc.acquireRetryDelay = 1000
jdbc.testConnectionOnCheckin = true
jdbc.automaticTestTable = c3p0TestTable
jdbc.idleConnectionTestPeriod = 18000
jdbc.checkoutTimeout=3000
mybatis-config.xml
配置mybatis主配置文件,由于数据源由spring配置,所以这里指用配置settings,别名,映射文件,这些东西也可以在spring中配置,个人习惯吧
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<!--开始配置-->
<configuration>
<!--配置settings-->
<settings>
<!--开启驼峰命名-->
<setting name="mapUnderscoreToCamelCase" value="true"/>
<!--开启延迟加载-->
<setting name="lazyLoadingEnabled" value="true"></setting>
<!--为false属性就会按需加载-->
<setting name="aggressiveLazyLoading" value="false"></setting>
<!--是否开启缓存-->
<setting name="cacheEnabled" value="true"/>
</settings>
<!--配置别名-->
<typeAliases>
<package name="com.djn.pojo"></package>
</typeAliases>
<!--去映射mapper文件-->
<mappers>
<package name="com.djn.dao"></package>
</mappers>
</configuration>
spring-service.xml
spring整合service层
<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
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/aop
http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!--1.扫描service下的包-->
<context:component-scan base-package="com.djn.service"/>
<!--2.将对象注入容器 使用xml的方法,也可以使用注解-->
<bean id="bookServiceImpl" class="com.djn.service.BookServiceImpl">
<property name="bookMapper" ref="bookMapper"/>
</bean>
<!--3.声明式事务配置-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!--注入数据源-->
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--配置事务的通知-->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<!--配置事务的属性
isolation:用于指定事务的隔离级别,默认是DEFAULT,表示使用数据库默认的隔离级别
propagation:用于指定事务的传播行为
默认是REQUIRED,表示一定会有事务,增删改选择它
SUPPORTS,表示有事务就用,没有就拉到,查找选择它
read-only:表示是否只读,只有查询方法才能设置为true,默认是false,表示读写
timeout:事务的超时时间,默认-1,表示永不超时,以秒为单位
roback-for:指定一个异常,只有出现该异常事务才回滚,其他异常不回滚
noroback-for:与roback-for相反,指定一个异常,只有出现该异常不回滚,其他异常才回滚
-->
<tx:attributes>
<tx:method name="*" propagation="REQUIRED" isolation="REPEATABLE_READ" read-only="false"/>
<tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
</tx:attributes>
</tx:advice>
<!--开启AOP-->
<aop:aspectj-autoproxy proxy-target-class="true"/>
<!--配置AOP-->
<aop:config>
<!--通用切入点表达式:
id是表达式的表示标示
expression是表达式
必须配置在上面,使用pointcut-ref引用
eg: * com.djn.springaop.*.*(..)
表示com.djn.springaop包下的所有类的所有方法;
(..)表示所有的方法不管有没有参数都会执行,如果需要指定需要指定参数类型
-->
<aop:pointcut id="p1" expression="execution(* com.djn.service.*.*(..))"></aop:pointcut>
<!--配置切面
id:切面的标识别
ref:切面类
-->
<aop:advisor advice-ref="txAdvice" pointcut-ref="p1"/>
</aop:config>
</beans>
spring-mvc.xml
springmvc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"
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
https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--1。扫描controller包-->
<context:component-scan base-package="com.djn.controller"/>
<!--jackson配置-->
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="objectMapper">
<bean class="com.fasterxml.jackson.databind.ObjectMapper">
<property name="dateFormat">
<bean class="java.text.SimpleDateFormat">
<constructor-arg type="java.lang.String" value="yyyy-MM-dd HH:mm:ss"/>
</bean>
</property>
</bean>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<!--2.让SpringMVC不处理静态资源-->
<mvc:default-servlet-handler/>
<!--3.注解驱动 就可以使用@RequestMapping注解,如果使该注解生效
必须配置HandlerMapping和HandlerAdapter实例
该配置自动完成了以上两个实例的注入
-->
<mvc:annotation-driven/>
<!--4.视图解析器 解析DispatcherServlet传的视图名解析为完整的视图名并返回给它-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--前缀 最后面的/一定要写!!!!!!!!!!!!!!!!!!!!!-->
<property name="prefix" value="/WEB_INF/jsp/"></property>
<!--后缀-->
<property name="suffix" value=".jsp"/>
</bean>
</beans>
log4j.properties
log4j.rootLogger=DEBUG,console,file
#控制台输出的相关设置
log4j.appender.console = org.apache.log4j.ConsoleAppender
log4j.appender.console.Target = System.out
log4j.appender.console.Threshold=DEBUG
log4j.appender.console.layout = org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=[%c]-%m%n
#文件输出的相关设置
log4j.appender.file = org.apache.log4j.RollingFileAppender
log4j.appender.file.File=./log/ssmbuild.log
log4j.appender.file.MaxFileSize=10mb
log4j.appender.file.Threshold=DEBUG
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=[%p][%d{yy-MM-dd HH:mm:ss}][%c]%m%n
#日志输出级别
log4j.logger.org.mybatis=DEBUG
log4j.logger.java.sql=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.ResultSet=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
可能会遇到的坑
当你配置完,开始在controller调用service层时,会发现没有bean,可是你单元测试发现都已经注入到Spring容器
并且可以成功,这是因为springmvc它只加载了spring-mvc.xml文件,也就是说只注入了controller下的接口,所以
需要将web.xml中的contextConfigLocation路径改为applicationContext总配置文件,注入所有的bean!!!