设计一个程序来模拟一个简单的手持计算器。

2024-11-24 14:53:00
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回答1:

public MappingMongoConverter mongoConverter() throws UnknownHostException {
MappingMongoConverter converter = new MappingMongoConverter(mongoDbFactory(), mongoMappingContext());
converter.setTypeMapper(mongoTypeMapper());
return converter;
}