isSuccess() 추가

src/main/java/cokr/xit/interfaces/sntris/prenotice/Bu18WebReturnInfoDTO.java

@@ -377,6 +377,10 @@ public class Bu18WebReturnInfoDTO extends SntrisWSDTO {
         this.returnMsg = returnMsg;
     }
 
+    public boolean isSuccess() {
+    	return "0".equals(returnCode);
+    }
+
 	private Object __equalsCalc = null;
 
     @Override