spring java配置spring java配置

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我是靠谱客的博主灵巧天空，最近开发中收集的这篇文章主要介绍spring java配置spring java配置，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

spring java配置

DBConfig.java

package com.neu;

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSource;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;

@Configuration
@PropertySource("classpath:db.properties")
public class DBConfig {
	@Value("${jdbc.username}")
	private String username;
	@Value("${jdbc.password}")
	private String password;
	@Value("${jdbc.url}")
	private String url;
	@Value("${jdbc.driverClassName}")
	private String driverClassName;
	@Value("${jdbc.maxWait}")
	private int maxWait;
	@Value("${jdbc.maxActive}")
	private int maxActive;
	@Value("${jdbc.maxIdle}")
	private int maxIdle;
	@Bean
	public DataSource dataSource() {
		BasicDataSource ds = new BasicDataSource();
		ds.setUsername(username);
		ds.setPassword(password);
		ds.setUrl(url);
		ds.setDriverClassName(driverClassName);
		ds.setMaxWait(maxWait);
		ds.setMaxActive(maxActive);
		ds.setMaxIdle(maxIdle);
		return ds;
	}
}

JavaConfig.java

package com.neu;

import java.util.List;
import java.util.Properties;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.validation.MessageCodesResolver;
import org.springframework.validation.Validator;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.config.annotation.AsyncSupportConfigurer;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.handler.SimpleMappingExceptionResolver;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

import com.neu.util.DateConverter;

@Configuration
@EnableWebMvc
@ComponentScan(basePackages="com.neu.controller")
public class JavaConfig implements WebMvcConfigurer{
	@Bean
	public InternalResourceViewResolver viewResolver() {
		InternalResourceViewResolver viewResolver = 
				new InternalResourceViewResolver("/WEB-INF/jsp/", ".jsp");
	return viewResolver;
	}
//	@Bean
	public SimpleMappingExceptionResolver simpleMappingExceptionResolver() {
		SimpleMappingExceptionResolver resolver = new SimpleMappingExceptionResolver();
		resolver.setDefaultErrorView("error/defaulter");
		resolver.setExceptionAttribute("ex");
		
		Properties props = new Properties();
		props.setProperty("IOException", "error/io");
		
		resolver.setExceptionMappings(props);
		return resolver;
	}
	@Bean("multipartResolver")
	public CommonsMultipartResolver commonsMultipartResolver() {
		CommonsMultipartResolver resolver = new CommonsMultipartResolver();
		resolver.setMaxUploadSize(5242880);
		//设置默认编码
		resolver.setDefaultEncoding("utf-8");
		return resolver;	
	}
	
	@Override
	public void configurePathMatch(PathMatchConfigurer configurer) {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void configureAsyncSupport(AsyncSupportConfigurer configurer) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void addFormatters(FormatterRegistry registry) {
		DateConverter c= new DateConverter("yyyy-MM-dd");
		registry.addConverter(c);
	}

	@Override
	public void addInterceptors(InterceptorRegistry registry) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void addResourceHandlers(ResourceHandlerRegistry registry) {
		registry.addResourceHandler("/js/**").addResourceLocations("/js/");
		registry.addResourceHandler("/css/**").addResourceLocations("/css/");
		registry.addResourceHandler("/img/**").addResourceLocations("/img/");
		registry.addResourceHandler("/framework/**").addResourceLocations("/framework/");
		registry.addResourceHandler("/comp/**").addResourceLocations("/comp/");
	}

	@Override
	public void addCorsMappings(CorsRegistry registry) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void addViewControllers(ViewControllerRegistry registry) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void configureViewResolvers(ViewResolverRegistry registry) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void configureHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void extendHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public Validator getValidator() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public MessageCodesResolver getMessageCodesResolver() {
		// TODO Auto-generated method stub
		return null;
	}
}

MyBatisConfig.java

package com.neu;

import java.util.Properties;

import javax.sql.DataSource;

import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import com.github.pagehelper.PageInterceptor;

@Configuration
@EnableTransactionManagement//启用事务管理器
@ComponentScan(basePackages= {"com.neu.mapper","com.neu.service"})
public class MyBatisConfig {
	@Autowired
	private DataSource dataSource;
	
	@Bean(name="sqlSessionFactory")
	public SqlSessionFactory sqlSessionFactory() throws Exception {
		SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
		bean.setDataSource(dataSource);
		
		PageInterceptor interceptor = new PageInterceptor();
		
		Properties props = new Properties();
		
		props.setProperty("helperDialect", "mysql");
		
		interceptor.setProperties(props);
		
		bean.setPlugins(new Interceptor[] {interceptor});
		
		return bean.getObject();		
	}
	@Bean
	public PlatformTransactionManager transactionManager() {
		return new DataSourceTransactionManager(dataSource);
	}
}

MyBatisMapperScannerConfig.java

package com.neu;

import org.mybatis.spring.mapper.MapperScannerConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class MyBatisMapperScannerConfig {
	@Bean
	public MapperScannerConfigurer mapperScannerConfigurer() {
		MapperScannerConfigurer configurer = new MapperScannerConfigurer();
		
		configurer.setSqlSessionFactoryBeanName("sqlSessionFactory");
		configurer.setBasePackage("com.neu.mapper");
		
		return configurer;
	}
}

WebInitializer.java

package com.neu;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration.Dynamic;

import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.filter.CharacterEncodingFilter;
import org.springframework.web.servlet.DispatcherServlet;

public class WebInitializer implements WebApplicationInitializer{

	@Override
	public void onStartup(ServletContext servletContext) throws ServletException {
		AnnotationConfigWebApplicationContext childcontext = new AnnotationConfigWebApplicationContext();
		
		childcontext.register(DBConfig.class);
		childcontext.register(MyBatisConfig.class);
		childcontext.register(MyBatisMapperScannerConfig.class);
		
		servletContext.addListener(new ContextLoaderListener(childcontext));
		
		AnnotationConfigWebApplicationContext context =
				new AnnotationConfigWebApplicationContext();
		context.register(JavaConfig.class);
		context.setServletContext(servletContext);
		
		Dynamic dynamic = servletContext.addServlet("dispatcher", new DispatcherServlet(context));
		
		dynamic.addMapping("/");
		dynamic.setLoadOnStartup(1);
		
		javax.servlet.FilterRegistration.Dynamic addFilter = servletContext.addFilter("charsetFilter", new CharacterEncodingFilter("utf-8"));
		
		addFilter.addMappingForUrlPatterns(null, false, "/*");
	}

}

最后

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本文分类：配置文件
浏览次数：65 次浏览
发布日期：2024-06-19 00:25:02
本文链接：https://www.kaopuke.com/article/k-p-k_13_u_7_o_22_f0_13__7__26_1.html

spring java配置spring java配置

概述

spring java配置

DBConfig.java

JavaConfig.java

MyBatisConfig.java

MyBatisMapperScannerConfig.java

WebInitializer.java

最后

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spring java配置spring java配置

概述

spring java配置

DBConfig.java

JavaConfig.java

MyBatisConfig.java

MyBatisMapperScannerConfig.java

WebInitializer.java

最后

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