添加默认扫描Mapper xml位置

Author: hengboy

api-boot-project/api-boot-autoconfigure/src/main/java/org/minbox/framework/api/boot/autoconfigure/enhance/ApiBootMyBatisEnhanceProperties.java

@@ -57,7 +57,7 @@ public class ApiBootMyBatisEnhanceProperties {
     /**
      * Locations of MyBatis mapper files.
      */
-    private String[] mapperLocations;
+    private String[] mapperLocations = {"classpath:mappers/*.xml"};
 
     /**
      * Packages to search type aliases. (Package delimiters are ",; \t\n")