[ Java ]Springboot mybatis 配置问题

本想实现 mybatis 返回 Map 转驼峰的功能,但是之前配置了 mybatis.configLocation 转换不生效

在 application.xml 中不使用单独的 xml 配置,直接使用 configuration 的配置就生效

mybatis.configuration.map-underscore-to-camel-case: true

configuration 又与 configLocation 不能共存

求指导大神指导在使用 configLocation 配置的时候,使我的转换生效

 import org.apache.ibatis.reflection.MetaObject; import org.apache.ibatis.reflection.wrapper.MapWrapper; import org.apache.ibatis.reflection.wrapper.ObjectWrapper; import org.apache.ibatis.reflection.wrapper.ObjectWrapperFactory; import org.mybatis.spring.boot.autoconfigure.ConfigurationCustomizer; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import java.util.Map; @Configuration public class MybatisConfig { /** * mybatis resultType 为 map 时下划线键值转小写驼峰形式插 */ @Bean public ConfigurationCustomizer configurationCustomizer() { return configuration -> configuration.setObjectWrapperFactory(new MapWrapperFactory()); } static class MapWrapperFactory implements ObjectWrapperFactory { @Override public boolean hasWrapperFor(Object object) { return object != null && object instanceof Map; } @Override public ObjectWrapper getWrapperFor(MetaObject metaObject, Object object) { return new MyMapWrapper(metaObject, (Map) object); } } static class MyMapWrapper extends MapWrapper { MyMapWrapper(MetaObject metaObject, Map<String, Object> map) { super(metaObject, map); } @Override public String findProperty(String name, boolean useCamelCaseMapping) { if (useCamelCaseMapping && ((name.charAt(0) >= 'A' && name.charAt(0) <= 'Z') || name.contains("_"))) { return underlineToCamelhump(name); } return name; } /** * 将下划线风格替换为驼峰风格 * * @param inputString * @return */ private String underlineToCamelhump(String inputString) { StringBuilder sb = new StringBuilder(); boolean nextUpperCase = false; for (int i = 0; i < inputString.length(); i++) { char c = inputString.charAt(i); if (c == '_') { if (sb.length() > 0) { nextUpperCase = true; } } else { if (nextUpperCase) { sb.append(Character.toUpperCase(c)); nextUpperCase = false; } else { sb.append(Character.toLowerCase(c)); } } } return sb.toString(); } } }