excel 读取

doc-common/src/main/java/com/doc/common/utils/FileContentUtils.java

@@ -4,6 +4,7 @@ import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.text.PDFTextStripper;
 import org.apache.poi.hwpf.HWPFDocument;
 import org.apache.poi.hwpf.extractor.WordExtractor;
+import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.xslf.usermodel.XMLSlideShow;
 import org.apache.poi.xslf.usermodel.XSLFShape;
 import org.apache.poi.xslf.usermodel.XSLFSlide;
@@ -14,10 +15,11 @@ import org.apache.poi.xwpf.usermodel.XWPFDocument;
 import org.apache.poi.xwpf.usermodel.XWPFParagraph;
 
 import java.io.ByteArrayInputStream;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.List;
 
 /**
@@ -173,58 +175,66 @@ public class FileContentUtils {
         return result.replace("\n\n", "\n");
     }
 
-    public static String getContentTxt(byte[] data) {
-        return new String(data, StandardCharsets.UTF_8).trim();
-//        try (InputStream is = new ByteArrayInputStream(data); BufferedReader br = new BufferedReader(data)) {
-//            StringBuilder sb = new StringBuilder();
-//            String line;
-//            while ((line = br.readLine()) != null) {
-//                sb.append(line).append(System.lineSeparator());
-//            }
-//            return sb.toString();
-//        } catch (IOException e) {
-//            e.printStackTrace();
-//            return "";
-//        }
-    }
-
-    public static void main(String[] args) {
-        String path = "D:\\SYSTEM\\Desktop\\temp\\xxx.xlsx";
+    /**
+     * 获取正文文件内容，PDF方法
+     *
+     * @param data 二进制文件内容
+     * @return
+     */
+    public static String getContentExcel(byte[] data) {
         String result = "";
-        try {
+        try (InputStream is = new ByteArrayInputStream(data);
+             XSSFWorkbook xssfWorkbook = new XSSFWorkbook(is)) {
             //创建工作簿对象
-            XSSFWorkbook xssfWorkbook = new XSSFWorkbook(new FileInputStream(path));
             //获取工作簿下sheet的个数
             int sheetNum = xssfWorkbook.getNumberOfSheets();
-            System.out.println("该excel文件中总共有：" + sheetNum + "个sheet");
             //遍历工作簿中的所有数据
             for (int i = 0; i < sheetNum; i++) {
                 //读取第i个工作表
-                System.out.println("读取第" + (i + 1) + "个sheet");
                 XSSFSheet sheet = xssfWorkbook.getSheetAt(i);
                 //获取最后一行的num，即总行数。此处从0开始
                 int maxRow = sheet.getLastRowNum();
-                System.err.println("总行数：" + maxRow);
-                Thread.sleep(1000);
-                for (int row = 0; row <= maxRow; row++) {
-                    //获取最后单元格num，即总单元格数 ***注意：此处从1开始计数***
-                    if (sheet.getRow(row) != null) {
-                        int maxRol = sheet.getRow(row).getLastCellNum();
-                        System.out.println("--------第" + row + "行的数据如下--------");
-                        for (int rol = 0; rol < maxRol; rol++) {
-                            System.out.print(sheet.getRow(row).getCell(rol) + "  ");
+                for (int rowNum = 0; rowNum <= maxRow; rowNum++) {
+                    Row row = sheet.getRow(rowNum);
+                    if (row != null) {
+                        //获取最后单元格num，即总单元格数 ***注意：此处从1开始计数***
+                        int maxRol = row.getLastCellNum();
+                        for (int cellNum = 0; cellNum < maxRol; cellNum++) {
+                            result += row.getCell(cellNum) + "  ";
                         }
-                    System.out.println();
+                        result += "\n";
                     }
                 }
             }
 
         } catch (IOException e) {
             e.printStackTrace();
-        } catch (InterruptedException e) {
-            throw new RuntimeException(e);
         }
 
-        System.err.println(result.replace("\n\n", "\n"));
+        return result.replace("\n\n", "\n");
+    }
+
+    public static String getContentTxt(byte[] data) {
+        return new String(data, StandardCharsets.UTF_8).trim();
+//        try (InputStream is = new ByteArrayInputStream(data); BufferedReader br = new BufferedReader(data)) {
+//            StringBuilder sb = new StringBuilder();
+//            String line;
+//            while ((line = br.readLine()) != null) {
+//                sb.append(line).append(System.lineSeparator());
+//            }
+//            return sb.toString();
+//        } catch (IOException e) {
+//            e.printStackTrace();
+//            return "";
+//        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        String path = "D:\\SYSTEM\\Desktop\\temp\\parse\\test.xlsx";
+
+        byte[] bytes = Files.readAllBytes(Paths.get(path));
+
+        String result = getContentExcel(bytes);
+        System.err.println(result);
     }
 }