纯代码（基于注解和代码,零xml）整合SSHM（Spring、SpringMVC、Hibernate、Mybatis）
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纯代码整合
环境和工具
- IDEA集成开发环境
- Maven自动构建工具
- JDK1.8
项目目录结构
项目依赖包文件pom.xml
<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.lyx</groupId> <artifactId>annototionconfig</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>annototionconfig Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <spring.version>4.3.11.RELEASE</spring.version> </properties> <dependencies> <!-- Java Web开发相关API --> <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>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- Hibernate --> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>5.2.10.Final</version> </dependency> <!-- MyBatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.4</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.1</version> </dependency> <!-- MySQL驱动 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <!-- DBCP2数据库连接池 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-dbcp2</artifactId> <version>2.1.1</version> </dependency> <!-- Druid数据库连接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.5</version> </dependency> <!-- Spring MVC相关API --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <!-- Spring Context Support - 整合第三方方案 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${spring.version}</version> </dependency> <!-- Spring整合ORM框架相关API --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${spring.version}</version> </dependency> <!-- Spring测试框架相关API --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> <scope>test</scope> </dependency> <!-- JUnit单元测试 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!-- 将被测对象所依赖的其他对象模拟出来 --> <dependency> <groupId>org.mockito</groupId> <artifactId>mockito-core</artifactId> <version>2.10.0</version> <scope>test</scope> </dependency> <!-- Apache的编解码工具 --> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.10</version> </dependency> <!-- 验证框架 --> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>5.4.1.Final</version> </dependency> <!-- JSON转换工具 --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.9.0</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.39</version> </dependency> <!-- Thymeleaf --> <dependency> <groupId>org.thymeleaf</groupId> <artifactId>thymeleaf-spring4</artifactId> <version>3.0.7.RELEASE</version> </dependency> <!-- Freemarker模板引擎 --> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.23</version> </dependency> <!-- 日志 --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.2.3</version> </dependency> <!-- 安全 --> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-web</artifactId> <version>4.2.3.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-config</artifactId> <version>4.2.3.RELEASE</version> </dependency> <!-- 序列化与反序列化 --> <dependency> <groupId>com.google.protobuf</groupId> <artifactId>protobuf-java</artifactId> <version>3.4.0</version> </dependency> <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjrt</artifactId> <version>1.8.10</version> </dependency> <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.10</version> </dependency> </dependencies> <build> <finalName>annototionconfig</finalName> <!--因为IDEA有严格的检查，在java路径下只去加载java文件，所以要告诉它在java某个路径下去加载某某文件--> <resources> <resource> <directory>src/main/java</directory> <includes> <include>**/*.xml</include> </includes> </resource> </resources> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <configuration> <failOnMissingWebXml>false</failOnMissingWebXml> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build></project>相当于web.xml文件的配置类
MyWebInitializer.java
package com.lyx.ann.config;import org.springframework.web.filter.CharacterEncodingFilter;import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;import javax.servlet.Filter;//该类最终是实现了WebApplicationInitializer接口的//所以当服务器（servlet容器）一启动就会自动找到该类(相当于web.xml文件)//此处相当于前端控制器、监听器、过滤器等功能public class MyWebInitializer extends AbstractAnnotationConfigDispatcherServletInitializer{ //SpringIoC容器的配置在哪些类中 @Override protected Class<?>[] getRootConfigClasses() { return new Class[]{MySpringConfig.class}; } //SpringMVC的配置在哪些类中 @Override protected Class<?>[] getServletConfigClasses() { return new Class[]{MySpringMvcConfig.class}; } //配置前端控制器的映射 @Override protected String[] getServletMappings() { return new String[]{"/"}; } // 配置过滤器 @Override protected Filter[] getServletFilters() { return new Filter[]{ new CharacterEncodingFilter("utf-8", true) }; }}相当于SpringMVC.xml的配置文件
MySpringMvcConfig.java
package com.lyx.ann.config;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.ComponentScan;import org.springframework.context.annotation.Configuration;import org.springframework.http.converter.BufferedImageHttpMessageConverter;import org.springframework.http.converter.HttpMessageConverter;import org.springframework.http.converter.StringHttpMessageConverter;import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;import org.springframework.web.servlet.ViewResolver;import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;import org.springframework.web.servlet.config.annotation.EnableWebMvc;import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;import org.springframework.web.servlet.view.InternalResourceViewResolver;import org.springframework.web.servlet.view.JstlView;import java.util.List;//SpringMVC的配置类//表明是配置类@Configuration//扫包，找控制器 <context:component-scan>@ComponentScan(basePackages = "com.lyx.ann.controller")//通过注解配置SpringMVC <mvc:annotation-driven>@EnableWebMvcpublic class MySpringMvcConfig extends WebMvcConfigurerAdapter { // <mvc:default-servlet-handler> //处理静态资源处理器 @Override public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) { //启用默认的servlet处理静态资源 configurer.enable(); } /*@Override //拦截器 public void addInterceptors(InterceptorRegistry registry) { super.addInterceptors(registry); }*/ // <mvc:message-converters> // 消息转换器 @Override public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { converters.add(new StringHttpMessageConverter()); converters.add(new BufferedImageHttpMessageConverter()); converters.add(new MappingJackson2HttpMessageConverter()); } //<bean>标签 @Bean //视图解析器 public ViewResolver viewResolverWithJSP(){ InternalResourceViewResolver resolver=new InternalResourceViewResolver(); resolver.setViewClass(JstlView.class); resolver.setPrefix("/WEB-INF/jsp/"); resolver.setSuffix(".jsp"); return resolver; }}相当于Spring.xml文件的配置类
MySpringConfig.java
package com.lyx.ann.config;import com.alibaba.druid.pool.DruidDataSource;import com.lyx.ann.domain.User;import org.hibernate.SessionFactory;import org.mybatis.spring.SqlSessionFactoryBean;import org.mybatis.spring.annotation.MapperScan;import org.springframework.beans.factory.annotation.Value;import org.springframework.context.annotation.*;import org.springframework.core.io.Resource;import org.springframework.core.io.support.PathMatchingResourcePatternResolver;import org.springframework.orm.hibernate5.HibernateTransactionManager;import org.springframework.orm.hibernate5.LocalSessionFactoryBean;import org.springframework.stereotype.Controller;import org.springframework.transaction.annotation.EnableTransactionManagement;import org.springframework.web.bind.annotation.ControllerAdvice;import javax.sql.DataSource;import java.io.IOException;import java.util.Properties;//Spring的配置类@Configuration@ComponentScan( basePackages = "com.lyx.ann", excludeFilters = @ComponentScan.Filter( type = FilterType.ANNOTATION, classes = {Controller.class, ControllerAdvice.class, Configuration.class} ))// <aop:aspectj-autoproxy> 自己写的AOP切面@EnableAspectJAutoProxy// <tx:annotation-driven> 声明式事务@EnableTransactionManagement// <bean class="PropertyPlaceholderConfigurer"> 加载外部资源文件@PropertySource("classpath:application.properties")//Mybatis扫包-找映射器@MapperScan("com.lyx.ann.mapper")//@Import(MySpringConfig2.class) 导入另一个配置类//@ImportResource("classpath:Spring.xml") 导入另外的xml配置文件public class MySpringConfig { @Value("${jdbc.url}") //取资源文件中相对应的值 private String url; @Value("${jdbc.username}") private String username; @Value("${jdbc.password}") private String password; private Properties props; //数据库连接池 @Bean public DataSource dataSource() { DruidDataSource dataSource = new DruidDataSource(); dataSource.setUrl(url); dataSource.setUsername(username); dataSource.setPassword(password); dataSource.setInitialSize(20); dataSource.setMinIdle(20); dataSource.setMaxActive(50); dataSource.setMaxWait(10000); return dataSource; } //Hibernate的SessionFactory @Bean public LocalSessionFactoryBean sessionFactoryBean(DataSource dataSource) { LocalSessionFactoryBean sessionFactoryBean = new LocalSessionFactoryBean(); sessionFactoryBean.setDataSource(dataSource); sessionFactoryBean.setPackagesToScan("com.lyx.ann.domain"); Properties props = new Properties(); props.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQL57Dialect"); props.setProperty("hibernate.show_sql","true"); props.setProperty("hibernate.format_sql","true"); sessionFactoryBean.setHibernateProperties(props); return sessionFactoryBean; } //创建Mybatis的SqlSessionFactory @Bean public SqlSessionFactoryBean sqlSessionFactoryBean(DataSource dataSource) throws IOException { SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean(); sqlSessionFactoryBean.setDataSource(dataSource); sqlSessionFactoryBean.setTypeAliases(new Class[]{User.class}); PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); Resource[] resources = resolver.getResources("classpath:com/lyx/ann/mapper/*.xml"); sqlSessionFactoryBean.setMapperLocations(resources); return sqlSessionFactoryBean; } @Bean public HibernateTransactionManager transactionManager(SessionFactory sessionFactory){ return new HibernateTransactionManager(sessionFactory); }}数据库连接池配置信息文件
jdbc.url=jdbc:mysql://localhost:3306/hrsjdbc.username=rootjdbc.password=951112阅读全文
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