统一mapUnderscoreToCamelCase

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/MybatisXMLConfigBuilder.java

@@ -265,7 +265,8 @@ public class MybatisXMLConfigBuilder extends BaseBuilder {
         configuration.setDefaultExecutorType(ExecutorType.valueOf(props.getProperty("defaultExecutorType", "SIMPLE")));
         configuration.setDefaultStatementTimeout(integerValueOf(props.getProperty("defaultStatementTimeout"), null));
         configuration.setDefaultFetchSize(integerValueOf(props.getProperty("defaultFetchSize"), null));
-        configuration.setMapUnderscoreToCamelCase(booleanValueOf(props.getProperty("mapUnderscoreToCamelCase"), false));
+        //todo 统一mapUnderscoreToCamelCase,默认是false
+        configuration.setMapUnderscoreToCamelCase(booleanValueOf(props.getProperty("mapUnderscoreToCamelCase"), true));
         configuration.setSafeRowBoundsEnabled(booleanValueOf(props.getProperty("safeRowBoundsEnabled"), false));
         configuration.setLocalCacheScope(LocalCacheScope.valueOf(props.getProperty("localCacheScope", "SESSION")));
         configuration.setJdbcTypeForNull(JdbcType.valueOf(props.getProperty("jdbcTypeForNull", "OTHER")));