Excel文件转换为XML文件

  1 import java.io.BufferedWriter;
  2 import java.io.File;
  3 import java.io.FileInputStream;
  4 import java.io.FileNotFoundException;
  5 import java.io.FileOutputStream;
  6 import java.io.IOException;
  7 import java.io.InputStream;
  8 import java.io.OutputStreamWriter;
  9 import java.util.HashMap;
 10
 11 import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 12 import org.apache.poi.ss.usermodel.Cell;
 13 import org.apache.poi.ss.usermodel.Row;
 14 import org.apache.poi.ss.usermodel.Sheet;
 15 import org.apache.poi.ss.usermodel.Workbook;
 16 import org.apache.poi.ss.usermodel.WorkbookFactory;
 17
 18 public class Excels2Xml {
 19
 20     private static HashMap<String, File> map = new HashMap<>();
 21
 22     /**
 23      * 输入文件路径,对于嵌套的目录不进行读取
 24      *
 25      * @param inPath
 26      * @return
 27      */
 28     public static HashMap<String, File> getFiles(String inPath) {
 29         if (null == inPath || inPath.trim().length() == 0)
 30             return null;
 31         File filex = new File(inPath);
 32         if (filex.isDirectory()) {
 33             File[] files = filex.listFiles();
 34             if (files.length > 0) {
 35                 for (File file : files) {
 36                     if (file.isFile() && (file.getName().contains(".xlsx") || file.getName().contains(".xls")))
 37                         map.put(file.getName(), file);
 38                 }
 39             }
 40         } else if (filex.isFile()) {
 41             map.put(filex.getName(), filex);
 42         }
 43         return map;
 44     }
 45
 46     /**
 47      *
 48      * @param map
 49      * @param outPath
 50      */
 51     public static void excels2Xml(HashMap<String, File> map, String outPath) {
 52         if (map == null)
 53             return;
 54         map.forEach((fileName, file) -> {
 55             BufferedWriter bw = null;
 56             InputStream is = null;
 57             try {
 58                 String fn = fileName.replace(".xlsx", ".xml");
 59                 if (fn == fileName) {
 60                     fn = fileName.replace(".xls", ".xml");
 61                 }
 62                 bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(outPath + fn)), "utf-8"));
 63                 is = new FileInputStream(file.getPath());
 64                 Workbook hssfWorkbook = WorkbookFactory.create(is);
 65                 if (null != hssfWorkbook)
 66                     bw.write("<xmls>\n");
 67                 for (int numSheet = 0; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++) {
 68                     Sheet hssfSheet = hssfWorkbook.getSheetAt(numSheet);
 69                     if (hssfSheet == null) {
 70                         continue;
 71                     }
 72                     for (int rowNum = 1; rowNum <= hssfSheet.getLastRowNum(); rowNum++) {
 73                         Row hssfRow = hssfSheet.getRow(rowNum);
 74                         if (hssfRow != null) {
 75                             Cell content = hssfRow.getCell(0);
 76                             Cell channel = hssfRow.getCell(2);
 77                             bw.write("<m1>\n");
 78                             bw.write("<content>" + content + "</content>\n");
 79                             bw.write("<channel>" + channel + "</channel>\n");
 80                             bw.write("</m1>\n\n");
 81                         }
 82                     }
 83                 }
 84                 bw.write("<xmls>\n");
 85             } catch (FileNotFoundException e) {
 86                 System.out.println("FileNotFoundException...");
 87                 e.printStackTrace();
 88             } catch (InvalidFormatException e) {
 89                 System.out.println("InvalidFormatException...");
 90                 e.printStackTrace();
 91             } catch (IOException e) {
 92                 System.out.println("IOException...");
 93                 e.printStackTrace();
 94             } finally {
 95                 try {
 96                     if (bw != null)
 97                         bw.close();
 98                     if (is != null)
 99                         is.close();
100                 } catch (IOException e) {
101                     e.printStackTrace();
102                 }
103             }
104         });
105     }
106
107     public static void main(String[] args) throws Exception {
108         long begin = System.currentTimeMillis();
109         excels2Xml(getFiles("D:\\EXCEL\\"), "D:\\EXCEL\\xml\\");
110         long end = System.currentTimeMillis();
111         System.out.println("The program consume " + (end - begin) / 1000 / 60.0 + "  seconds");
112     }
113 }

说明：

　　本实例代码主要实现功能为：将D:\\EXCEL目录下的01.xlsx,02.xls文件，对应转换成01.xml、02.xml文件生成到对应的目录中

注意：

　　输出路径记得加上“\\”