修改人脸识别新增取消时的弹窗报错

src/main/webapp/WEB-INF/views/cfg/av/fileSampleForm.jsp

@@ -98,16 +98,20 @@ $(function(){
 			// 人脸识别
 			if(sfd==632){
 				 var files = $(this)[0].files;
-				 for(var i = 0;i < files.length;i ++) {
-		                var file = files[i];
-		                var faceName = file.name;
-		              var vals=sampleFileValidate(fileType,faceName)
-		              if (!vals){
-		            	  ifSubmit=false;
-		            	  return;
-		              }else{
-		            	  ifSubmit=true;
-		              }
+				 if(files.length>0){
+					 for(var i = 0;i < files.length;i ++) {
+			                var file = files[i];
+			                var faceName = file.name;
+			              var vals=sampleFileValidate(fileType,faceName)
+			              if (!vals){
+			            	  ifSubmit=false;
+			            	  return;
+			              }else{
+			            	  ifSubmit=true;
+			              }
+					 }
+				 }else{
+					 ifSubmit=false;
 				 }
 				if(ifSubmit){
 				$("#srcFileInfo").val($("#srcFile").val());