依赖
<?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.cwh.ssm</groupId>
<artifactId>ssm-annotation2</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<!--依赖-->
<dependencies>
<!--Junit-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!--数据库驱动-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.43</version>
</dependency>
<!--数据库连接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.10</version>
</dependency>
<!--Mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.9</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.7</version>
</dependency>
<!--Spring-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.18</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.2.6.RELEASE</version>
</dependency>
<!--前端视图解析器-->
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring5</artifactId>
<version>3.0.15.RELEASE</version>
</dependency>
<!--servletAPI-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<!--lombok工具-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.22</version>
</dependency>
<!--slf4j-api 与slf4j -jdk存在 -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-jdk14</artifactId>
<version>1.7.25</version>
</dependency>
</dependencies>
</project>
mybatis
/**
* @author cwh
* @version 1.0
* @Date 2022/4/19
* 配置 mybatis
*/
@Configuration
@PropertySource("classpath:jdbc.properties") //关联jdbc配置文件
@MapperScan(basePackages = "com.cwh.ssm.mappers") //扫描mapper接口的
public class DaoConfig {
@Value("${jdbc.driverClassName}") //隔山打牛
private String driverName;
@Value("${jdbc.url}")
private String url;
@Value("${jdbc.username}")
private String username;
@Value("${jdbc.password}")
private String password;
//数据源
@Bean
public DruidDataSource dataSource() {
DruidDataSource druidDataSource = new DruidDataSource();
druidDataSource.setDriverClassName(driverName);
druidDataSource.setUrl(url);
druidDataSource.setUsername(username);
druidDataSource.setPassword(password);
return druidDataSource;
}
//SqlSessionFacrotyBean
@Bean
public SqlSessionFactoryBean sqlSessionFactoryBean(DruidDataSource dataSource) throws IOException {
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
sqlSessionFactoryBean.setDataSource(dataSource); //设置DataSource
sqlSessionFactoryBean.setTypeAliasesPackage("com.cwh.ssm.pojo"); //启用别名
//获取Resource代表配置文件的路径
PathMatchingResourcePatternResolver pathMatchingResourcePatternResolver = new PathMatchingResourcePatternResolver();
Resource resource = pathMatchingResourcePatternResolver.getResource("classpath:mybatis-config.xml");
//设置全局配置文件路径
sqlSessionFactoryBean.setConfigLocation(resource);
//获取存放mapper.xml目录下的所有映射文件路径(可以算是路径吧)
Resource[] mapperXmls = pathMatchingResourcePatternResolver.getResources("classpath:com/cwh/ssm/mappers2/**");
//当mapper.xml和mapper接口 路径不同时通过这个设置修改路径
sqlSessionFactoryBean.setMapperLocations(mapperXmls);
return sqlSessionFactoryBean;
}
}
SpringMVC
(配置的东东有点少,毕竟练习配置,能实现简单的交互就行)
@Configuration
@ComponentScan(basePackages = "com.cwh.ssm.controller")//扫描
@EnableWebMvc //注解驱动
public class WebConfig implements WebMvcConfigurer {
//中央控制器
@Bean
public DispatcherServlet dispatcherServlet() {
return new DispatcherServlet();
}
//启动DefaultServlet ,用于处理静态资源的请求
@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
//配置生成模板解析器
@Bean
public ITemplateResolver templateResolver(ServletContext servletContext) {
WebApplicationContext webApplicationContext = ContextLoader.getCurrentWebApplicationContext();
ServletContextTemplateResolver templateResolver = new ServletContextTemplateResolver(servletContext);
templateResolver.setPrefix("/WEB-INF/templates/");
templateResolver.setSuffix(".html");
templateResolver.setCharacterEncoding("UTF-8");
templateResolver.setTemplateMode(TemplateMode.HTML);
return templateResolver;
}
//生成模板引擎并为模板引擎注入模板解析器
@Bean
public SpringTemplateEngine templateEngine(ITemplateResolver templateResolver) {
SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver);
return templateEngine;
}
//生成视图解析器并未解析器注入模板引擎
@Bean
public ViewResolver viewResolver(SpringTemplateEngine templateEngine) {
ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
viewResolver.setCharacterEncoding("UTF-8");
viewResolver.setTemplateEngine(templateEngine);
return viewResolver;
}
}
Application
@Configuration
@ComponentScan(basePackages = "com.cwh.ssm.service")
@Import({DaoConfig.class}) //整合Mybatis的配置文件
public class ApplicationConfig {
}
Web.xml的代替
package com.cwh.ssm.config;
import org.springframework.web.filter.CharacterEncodingFilter;
import org.springframework.web.filter.HiddenHttpMethodFilter;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
import javax.servlet.Filter;
import javax.servlet.ServletContext;
/**
* @author cwh
* @version 1.0
* @Date 2022/4/19
*/
public class WebInit extends AbstractAnnotationConfigDispatcherServletInitializer {
//注册过滤器
@Override
protected javax.servlet.FilterRegistration.Dynamic registerServletFilter(ServletContext servletContext, Filter filter) {
//解决乱码
CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
characterEncodingFilter.setEncoding("utf-8");
characterEncodingFilter.setForceResponseEncoding(true);
//支持Rest的请求方式
HiddenHttpMethodFilter hiddenHttpMethodFilter = new HiddenHttpMethodFilter();
servletContext.addFilter("characterEncodingFilter",characterEncodingFilter);
servletContext.addFilter("hiddenHttpMethodFilter",hiddenHttpMethodFilter);
return super.registerServletFilter(servletContext, filter);
}
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class[]{ApplicationConfig.class};
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class[]{WebConfig.class};
}
@Override
protected String[] getServletMappings() {
return new String[]{"/"};
}
}