fix:修复抽取空文件内容报错

adc-da-report/src/main/java/com/adc/da/report/util/FileContentUtil.java

@@ -5,11 +5,11 @@ import java.io.FileInputStream;
 import java.io.IOException;
 
 import com.adc.da.report.constant.ReportConstants;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.poi.hslf.usermodel.HSLFShape;
 import org.apache.poi.hslf.usermodel.HSLFSlide;
 import org.apache.poi.hslf.usermodel.HSLFTextShape;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
-import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.xslf.usermodel.XMLSlideShow;
@@ -22,7 +22,6 @@ import org.apache.poi.hwpf.extractor.WordExtractor;
 import org.apache.poi.xwpf.usermodel.XWPFDocument;
 import org.apache.poi.xwpf.extractor.XWPFWordExtractor;
 import org.apache.poi.hslf.usermodel.HSLFSlideShow;
-import org.apache.poi.hslf.extractor.PowerPointExtractor;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.text.PDFTextStripper;
 
@@ -31,6 +30,7 @@ import org.apache.pdfbox.text.PDFTextStripper;
  *
  * @author caihaohan
  */
+@Slf4j
 public class FileContentUtil {
 
     public static String readFileContent(File file) throws IOException {
@@ -39,7 +39,7 @@ public class FileContentUtil {
         StringBuilder content = new StringBuilder();
 
         FileInputStream fis = new FileInputStream(file);
-
+        try {
             switch (fileExtension) {
                 case ReportConstants.FILE_EXTENSIONS_XLS:
                     HSSFWorkbook workbookXls = new HSSFWorkbook(fis);
@@ -87,7 +87,10 @@ public class FileContentUtil {
                     content = new StringBuilder(stripper.getText(document));
                 default:
             }
+        } catch (Exception e) {
             fis.close();
+            log.info("文件内容抽取失败，原因可能是上传的文件为空文件");
+        }
         return content.toString();
     }