import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.channels.FileChannel;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.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;public class extractSrcAlt {public static void main(String[] args) throws InvalidFormatException, IOException {File from = new File("./extractSrcAlt/MonitorResult.xlsx");File to = new File("./extractSrcAlt/MonitorResult_copy.xlsx");fileChannelCopy(from, to);InputStream inp = new FileInputStream(to);Workbook wb = WorkbookFactory.create(inp);Sheet sheet = wb.getSheet("data");String src ="";String alt = "";String datasrcpc ="";String datasrcmobile ="";String datamedias1 ="";String datamedias2 ="";String datamedias3 ="";String datamedias4 ="";for(int rowNum = 1; rowNum <= sheet.getLastRowNum(); rowNum++){Row row = sheet.getRow(rowNum);String linkCell = getValue(row.getCell(1));Document doc = Jsoup.parse(linkCell);try {src = doc.select("img").first().attr("src");System.out.println(src);alt = doc.select("img").first().attr("alt");System.out.println(alt);datasrcpc = doc.select("img").first().attr("data-src-pc");datasrcmobile = doc.select("img").first().attr("data-src-mobile");datamedias1 = doc.select("img").first().attr("data-media-s1");datamedias2 = doc.select("img").first().attr("data-media-s2");datamedias3 = doc.select("img").first().attr("data-media-s3");datamedias4 = doc.select("img").first().attr("data-media-s4");} catch (Exception e) {// TODO: handle exception
            }Cell srcCell = row.createCell(2);srcCell.setCellType(Cell.CELL_TYPE_STRING);srcCell.setCellValue(src);Cell altCell = row.createCell(3);altCell.setCellType(Cell.CELL_TYPE_STRING);altCell.setCellValue(alt);Cell datasrcpcCell = row.createCell(4);datasrcpcCell.setCellType(Cell.CELL_TYPE_STRING);datasrcpcCell.setCellValue(datasrcpc);Cell datasrcmobileCell = row.createCell(5);datasrcmobileCell.setCellType(Cell.CELL_TYPE_STRING);datasrcmobileCell.setCellValue(datasrcmobile);Cell datamedias1Cell = row.createCell(6);datamedias1Cell.setCellType(Cell.CELL_TYPE_STRING);datamedias1Cell.setCellValue(datamedias1);Cell datamedias2Cell = row.createCell(7);datamedias2Cell.setCellType(Cell.CELL_TYPE_STRING);datamedias2Cell.setCellValue(datamedias2);Cell datamedias3Cell = row.createCell(8);datamedias3Cell.setCellType(Cell.CELL_TYPE_STRING);datamedias3Cell.setCellValue(datamedias3);Cell datamedias4Cell = row.createCell(9);datamedias4Cell.setCellType(Cell.CELL_TYPE_STRING);datamedias4Cell.setCellValue(datamedias4);}int u = 0;while(u == 0){try {FileOutputStream fileOut = new FileOutputStream(to);wb.write(fileOut);fileOut.close();u = 1;} catch (Exception e) {u = 0;}}}private static String getValue(Cell cell){if(null == cell){//System.out.println("Null");return "";}else if(cell.getCellType() == Cell.CELL_TYPE_BLANK){//System.out.println("CELL_TYPE_BLANK");
            cell.setCellType(Cell.CELL_TYPE_STRING);return String.valueOf(cell.getStringCellValue());}else if(cell.getCellType() == Cell.CELL_TYPE_BOOLEAN){cell.setCellType(Cell.CELL_TYPE_STRING);return String.valueOf(cell.getStringCellValue());}else if(cell.getCellType()== Cell.CELL_TYPE_NUMERIC){cell.setCellType(Cell.CELL_TYPE_STRING);return String.valueOf(cell.getStringCellValue());}else{cell.setCellType(Cell.CELL_TYPE_STRING);return String.valueOf(cell.getStringCellValue());}}public static void fileChannelCopy(File from, File to) {FileInputStream fi = null;FileOutputStream fo = null;FileChannel in = null;FileChannel out = null;try {fi = new FileInputStream(from);fo = new FileOutputStream(to);in = fi.getChannel();//得到对应的文件通道out = fo.getChannel();//得到对应的文件通道
in.transferTo(0, in.size(), out);//连接两个通道，并且从in通道读取，然后写入out通道
} catch (IOException e) {e.printStackTrace();} finally {try {fi.close();in.close();fo.close();out.close();} catch (IOException e) {e.printStackTrace();}}}
}