springboot+springMVC练习项目

package com.sam.config; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.sql.DataSource; import org.apache.ibatis.session.SqlSessionFactory; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.annotation.MapperScan; import org.mybatis.spring.mapper.MapperScannerConfigurer; import org.springframework.boot.SpringBootConfiguration; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Primary; import org.springframework.core.io.Resource; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.http.MediaType; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.jdbc.datasource.DriverManagerDataSource; import org.springframework.web.servlet.config.annotation.CorsRegistry; import org.springframework.web.servlet.config.annotation.InterceptorRegistry; import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport; import com.alibaba.druid.pool.DruidDataSource; import com.alibaba.fastjson.serializer.SerializerFeature; import com.alibaba.fastjson.support.config.FastJsonConfig; import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter; import com.sam.interceptor.UserInterceptor; @SpringBootConfiguration //WebMvcConfigurerAdapter @MapperScan(basePackages="com.sam.mapper.master",sqlSessionFactoryRef="masterSqlSessionFactoryBean") public class MyConfig extends WebMvcConfigurationSupport { /** * 拦截器配置 */ public void addInterceptors(InterceptorRegistry registry) { //registry.addInterceptor(new UserInterceptor()).addPathPatterns("/**").excludePathPatterns("/resources/**"); } /** * 静态资源映射配置 */ @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { registry.addResourceHandler("/resources/**").addResourceLocations("file:C:\\Temp\\","classpath:/static/"); super.addResourceHandlers(registry); } /** * 数据源 */ @Bean @Primary public DataSource createDataSource() { DruidDataSource dataSource=new DruidDataSource(); dataSource.setUrl("jdbc:mysql://localhost:3306/samsung?useUnicode=true&characterEncoding=utf8"); dataSource.setUsername("root"); dataSource.setPassword("root"); dataSource.setDriverClassName("com.mysql.jdbc.Driver"); return dataSource; } /** * sqlSessionFactory * @throws IOException */ @Bean(name="masterSqlSessionFactoryBean") @Primary public SqlSessionFactoryBean initSqlSessionFactory() throws IOException { SqlSessionFactoryBean sessionFactoryBean=new SqlSessionFactoryBean(); sessionFactoryBean.setDataSource(createDataSource()); sessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:mybatis/master/*Mapper.xml")); sessionFactoryBean.setTypeAliasesPackage("com.sam.entity"); return sessionFactoryBean; } /** * json格式消息转换 */ @Override public void extendMessageConverters(List<HttpMessageConverter<?>> converters) { super.extendMessageConverters(converters); FastJsonHttpMessageConverter converter=new FastJsonHttpMessageConverter(); /** * WriteNullListAsEmpty  ：List字段如果为null,输出为[],而非null WriteNullStringAsEmpty ： 字符类型字段如果为null,输出为"",而非null DisableCircularReferenceDetect ：消除对同一对象循环引用的问题，默认为false（如果不配置有可能会进入死循环） WriteNullBooleanAsFalse：Boolean字段如果为null,输出为false,而非null WriteMapNullValue：是否输出值为null的字段,默认为false。 */ FastJsonConfig config=new FastJsonConfig(); config.setSerializerFeatures( SerializerFeature.WriteNullStringAsEmpty, SerializerFeature.WriteNullListAsEmpty, SerializerFeature.WriteNullBooleanAsFalse, SerializerFeature.DisableCircularReferenceDetect, SerializerFeature.WriteMapNullValue ); converter.setFastJsonConfig(config); // start 处理中文乱码开始 List<MediaType> fastMediaType = new ArrayList<>(); fastMediaType.add(MediaType.APPLICATION_JSON_UTF8); converter.setSupportedMediaTypes(fastMediaType); // end 处理中文乱发结束 converters.add(converter); } }