文件类型验证忽略大小写

去掉制表符处理的js，影响了ysp的下发

src/main/java/com/nis/interceptor/MultipartFileIntercepter.java

@@ -135,7 +135,7 @@ public class MultipartFileIntercepter extends CommonsMultipartResolver{
 		for (String fileName : multipartFile.keySet()) {
 			MultipartFile file= multipartFile.getFirst(fileName);
 			//文件类型错误
-			if(fileTypes.indexOf(","+FileUtils.getSuffix(file.getOriginalFilename(), false)+",") == -1){
+			if(fileTypes.indexOf(","+FileUtils.getSuffix(file.getOriginalFilename().toLowerCase(), false)+",") == -1){
 				throw new MultiPartNewException(errorInfo,file.getOriginalFilename(),fileTypes.substring(0,fileTypes.length()-1).substring(1),prop,null);
 			}
 			if(file.getSize() > fileMaxSize){