【fix sonar】oConvertUtils文件

jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/oConvertUtils.java

@@ -194,7 +194,7 @@ public class oConvertUtils {
 			}
 			return result;
 		} catch (NumberFormatException e) {
-			return null;
+			return new Integer[0];
 		}
 	}
 
@@ -241,12 +241,13 @@ public class oConvertUtils {
 	}
 
 	public static long stringToLong(String str) {
-		Long test = new Long(0);
+		long test = 0L;
 		try {
-			test = Long.valueOf(str);
+			test = Long.parseLong(str);
 		} catch (Exception e) {
+			log.error("异常",e);
 		}
-		return test.longValue();
+		return test;
 	}
 
 	/**
@@ -609,7 +610,7 @@ public class oConvertUtils {
 	 */
 	public static<F,T> List<T> entityListToModelList(List<F> fromList, Class<T> tClass){
 		if(fromList == null || fromList.isEmpty()){
-			return null;
+			return Collections.emptyList();
 		}
 		List<T> tList = new ArrayList<>();
 		for(F f : fromList){