SSM javaConfig配置整合
Spring上下文的配置
@Configuration
@ComponentScan(basePackages = "org.jleopard.mall.service")
@Import({DataSourceConfig.class})
public class RootConfig {
@Bean
public BeanNameAutoProxyCreator proxyCreator(){
BeanNameAutoProxyCreator proxyCreator = new BeanNameAutoProxyCreator();
proxyCreator.setProxyTargetClass(true);
proxyCreator.setBeanNames("*Service");
proxyCreator.setInterceptorNames("transactionInterceptor");
return proxyCreator;
}
}
数据源配置
@Configuration
@MapperScan(basePackages = "org.jleopard.mall.dao")
public class DataSourceConfig {
private String url = "jdbc:mysql://localhost:3306/mall?useUnicode=true&characterEncoding=utf8&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC";
private String username = "root";
private String password = "root";
private String driverClass = "com.mysql.jdbc.Driver";
private int initialSize = 5;
private int minIdle = 5;
private int maxActive = 20;
private int maxWait = 60000;
private int timeBetweenEvictionRunsMillis = 60000;
private int minEvictableIdleTimeMillis= 30000;
private String validationQuery = "SELECT 1 FROM DUAL";
private boolean testWhileIdle = true;
private boolean testOnBorrow = false;
private boolean testOnReturn = false;
private boolean poolPreparedStatements = true;
private int maxPoolPreparedStatementPerConnectionSize = 20;
private String filters = "stat,wall,slf4j";
private String connectionProperties = "druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000";
@Bean
public DataSource dataSource(){
DruidDataSource dataSource = new DruidDataSource();
dataSource.setUrl(url);
dataSource.setUsername(username);
dataSource.setPassword(password);
dataSource.setDriverClassName(driverClass);
dataSource.setInitialSize(initialSize);
dataSource.setMinIdle(minIdle);
dataSource.setMaxActive(maxActive);
dataSource.setMaxWait(maxWait);
dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
dataSource.setValidationQuery(validationQuery);
dataSource.setTestWhileIdle(testWhileIdle);
dataSource.setTestOnBorrow(testOnBorrow);
dataSource.setTestOnReturn(testOnReturn);
dataSource.setPoolPreparedStatements(poolPreparedStatements);
dataSource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
dataSource.setFilters(filters);
} catch (SQLException e) {
throw new RuntimeException("druid configuration initialization filter----->>:", e);
}
dataSource.setConnectionProperties(connectionProperties);
return dataSource;
}
private org.apache.ibatis.session.Configuration getConfiguration(){
org.apache.ibatis.session.Configuration configuration = new org.apache.ibatis.session.Configuration();
configuration.setCacheEnabled(true);
configuration.setDefaultStatementTimeout(3000);
configuration.setMapUnderscoreToCamelCase(true);
configuration.setUseGeneratedKeys(true);
configuration.setUseColumnLabel(true);
return configuration;
}
@Bean
public SqlSessionFactoryBean sqlSessionFactoryBean(DataSource dataSource){
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
try {
ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
sqlSessionFactoryBean.setDataSource(dataSource);
sqlSessionFactoryBean.setConfiguration(getConfiguration());
sqlSessionFactoryBean.setMapperLocations(resourcePatternResolver.getResources("classpath:mapper/*.xml"));
sqlSessionFactoryBean.setTypeAliasesPackage("org.jleopard.mall.dao");
} catch (IOException e) {
throw new RuntimeException("初始化sessionFactoryBean失败.." , e);
}
return sqlSessionFactoryBean;
}
@Bean(name = "transactionManager")
public DataSourceTransactionManager dataSourceTransactionManager(){
DataSourceTransactionManager dataSourceTransactionManager = new DataSourceTransactionManager();
dataSourceTransactionManager.setDataSource(dataSource());
return dataSourceTransactionManager;
}
@Bean(name="transactionInterceptor")
public TransactionInterceptor interceptor(){
TransactionInterceptor interceptor = new TransactionInterceptor();
interceptor.setTransactionManager(dataSourceTransactionManager());
Properties transactionAttributes = new Properties();
transactionAttributes.setProperty("*","PROPAGATION_REQUIRED");
interceptor.setTransactionAttributes(transactionAttributes);
return interceptor;
}
}
MVC的配置
// MVC 配置
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = "org.jleopard.mall.controller" )
public class AppConfig implements WebMvcConfigurer {
@Autowired
private ServletContext servletContext;
@Autowired
private ApplicationContext applicationContext;
@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
/*
* STEP 1 - Create SpringResourceTemplateResolver
* */
@Bean
public SpringResourceTemplateResolver templateResolver() {
SpringResourceTemplateResolver templateResolver = new SpringResourceTemplateResolver();
templateResolver.setCharacterEncoding("UTF-8");
templateResolver.setApplicationContext(applicationContext);
templateResolver.setPrefix("/WEB-INF/templates/");
templateResolver.setSuffix(".html");
templateResolver.setTemplateMode(TemplateMode.HTML);
templateResolver.setCacheable(false);
return templateResolver;
}
/*
* STEP 2 - Create SpringTemplateEngine
* */
@Bean
public SpringTemplateEngine templateEngine() {
SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver());
templateEngine.setEnableSpringELCompiler(true);
return templateEngine;
}
/*
* STEP 3 - Register ThymeleafViewResolver
* */
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
ThymeleafViewResolver resolver = new ThymeleafViewResolver();
resolver.setCharacterEncoding("UTF-8");
resolver.setTemplateEngine(templateEngine());
registry.viewResolver(resolver);
}
@Bean
public ResourceHttpRequestHandler uploadHandler() {
ResourceHttpRequestHandler font = new ResourceHttpRequestHandler();
List<Resource> locations = new ArrayList<>();
ServletContextResource scr = new ServletContextResource(servletContext,"/uploads/");
locations.add(scr);
font.setLocations(locations);
return font;
}
@Bean
public ResourceHttpRequestHandler staticHandler() {
ResourceHttpRequestHandler staticHandler = new ResourceHttpRequestHandler();
List<Resource> locations = new ArrayList<>();
ServletContextResource scr = new ServletContextResource(servletContext,"/static/");
locations.add(scr);
staticHandler.setLocations(locations);
return staticHandler;
}
@Bean
public SimpleUrlHandlerMapping handlerMapping() {
SimpleUrlHandlerMapping shm = new SimpleUrlHandlerMapping();
Properties properties = new Properties();
properties.setProperty("/static/**","staticHandler");
properties.setProperty("/uploads/**", "uploadHandler");
shm.setMappings(properties);
return shm;
}
@Bean
public CommonsMultipartResolver multipartResolver() {
CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();
multipartResolver.setMaxUploadSize(30*1024*1024);
multipartResolver.setMaxInMemorySize(10*1024*1024);
return multipartResolver;
}
@Bean
public SimpleMappingExceptionResolver simpleMappingExceptionResolver() {
SimpleMappingExceptionResolver smer = new SimpleMappingExceptionResolver();
return smer;
}
@Bean
public RestTemplate restTemplate(){
RestTemplate rt=new RestTemplate();
rt.getMessageConverters().add(new org.springframework.http.converter.FormHttpMessageConverter());
return rt;
}
@Bean
public RequestMappingHandlerMapping requestMappingHandlerMapping(){
RequestMappingHandlerMapping rmhm = new RequestMappingHandlerMapping();
//interceptor
/* Object[] interceptors = {new TokenInterceptor()};
rmhm.setInterceptors(interceptors);*/ //TODO
return rmhm;
}
}
// 初始化 相当于web.xml
public class AppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class[]{RootConfig.class};
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class[]{AppConfig.class};
}
@Override
protected String[] getServletMappings() {
return new String[]{"/"};
}
}
{:1_893:} 实用帖子 我想请教下,能否用spring mvc +spring +hibernate 呢?为啥常见的是用mybaties,用hibernate会出现什么问题吗? 感谢分享{:1_927:} 萌萌哒的小白 发表于 2018-7-23 13:05
我想请教下,能否用spring mvc +spring +hibernate 呢?为啥常见的是用mybaties,用hibernate会出现什么问题吗 ...
一些老的项目是用的Hibernate不过现在新项目都是Mybatis了 萌萌哒的小白 发表于 2018-7-23 13:05
我想请教下,能否用spring mvc +spring +hibernate 呢?为啥常见的是用mybaties,用hibernate会出现什么问题吗 ...
mybatis更灵活，自己写sql 。运维的人也都能看懂。hibernate深入要花些时间，学起来自然更难一些，hibernate虽然有良好的sql封装，但特定的需求还是得自己写hql。
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