mongo db 去除 _class 字段

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.NoSuchBeanDefinitionException;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.data.convert.CustomConversions;

import org.springframework.data.mongodb.MongoDbFactory;

import org.springframework.data.mongodb.core.convert.DbRefResolver;

import org.springframework.data.mongodb.core.convert.DefaultDbRefResolver;

import org.springframework.data.mongodb.core.convert.DefaultMongoTypeMapper;

import org.springframework.data.mongodb.core.convert.MappingMongoConverter;

import org.springframework.data.mongodb.core.mapping.MongoMappingContext;

 

/**

* Create by JIUN·LIU at 2018/7/24

*/

 

@Configuration

public class MongoConfig {

 

@Bean

public MappingMongoConverter mappingMongoConverter(MongoDbFactory factory, MongoMappingContext context, BeanFactory beanFactory) {

DbRefResolver dbRefResolver = new DefaultDbRefResolver(factory);

MappingMongoConverter mappingConverter = new MappingMongoConverter(dbRefResolver, context);

try {

mappingConverter.setCustomConversions(beanFactory.getBean(CustomConversions. class));

} catch (NoSuchBeanDefinitionException ignore) {

}

 

// Don't save _class to mongo

mappingConverter.setTypeMapper(new DefaultMongoTypeMapper( null));

 

return mappingConverter;

}

 

}