Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package Algorithm; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Iterator; import java.util.Scanner; import java.util.Set; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; /** * * @author zijie */ public class Method2 { public String[] MethodTest(String Path) { StringBuffer keyword1 = new StringBuffer(); try { /** * ??excel * src * map? * result */ String srcFilePath = Path; String mapFilePath = "??.xlsx"; String newFilePath = Path.replace("???.xlsx", "method2.xlsx"); FileInputStream srcFile = new FileInputStream(new File(srcFilePath)); FileInputStream mapFile = new FileInputStream(new File(mapFilePath)); XSSFWorkbook srcWorkbook = new XSSFWorkbook(srcFile); XSSFWorkbook mapWorkbook = new XSSFWorkbook(mapFile); XSSFWorkbook newWorkbook = new XSSFWorkbook(); XSSFSheet srcSheet = srcWorkbook.getSheetAt(0); XSSFSheet mapSheet = mapWorkbook.getSheetAt(0); XSSFSheet newSheet = newWorkbook.createSheet("test"); Iterator<Row> srcRowIterator = srcSheet.iterator(); Iterator<Row> mapRowIterator = mapSheet.iterator(); //map.xlst???mapList ArrayList mapList = new ArrayList(); while (mapRowIterator.hasNext()) { Row row = mapRowIterator.next(); Iterator<Cell> cellIterator = row.cellIterator(); while (cellIterator.hasNext()) { Cell cell = cellIterator.next(); String test = cell.getStringCellValue(); mapList.add(test); } } //???mapArray,? int mapListLength = mapList.size(); String[] mapArray = (String[]) mapList.toArray(new String[mapListLength]); //??mapResult,mapArray?src //,mapArray[i]src,mapResult[i]1?0 int[] mapResult = new int[mapListLength]; for (int i = 0; i < mapListLength; i++) { mapResult[i] = 0; } //?src.xlsx,?mapArray while (srcRowIterator.hasNext()) { Row row = srcRowIterator.next(); Iterator<Cell> cellIterator = row.cellIterator(); while (cellIterator.hasNext()) { Cell cell = cellIterator.next(); String test = cell.getStringCellValue().trim(); for (int i = 0; i < mapListLength; i++) { if (test.equals(mapArray[i])) mapResult[i] = 1; } } } //?mapResult,mapArrayresult int newRowNum = 0; for (int i = mapListLength - 1; i >= 0; i--) { if (mapResult[i] == 1) { Row newRow = newSheet.createRow(newRowNum++); Cell newCell = newRow.createCell(0); String test = mapArray[i]; keyword1.append(test + " "); newCell.setCellValue(test); } } srcFile.close(); mapFile.close(); //FileOutputStream fileOut = new FileOutputStream(new File(newFilePath)); // newWorkbook.write(fileOut); // fileOut.close(); // System.out.print("method2"); } catch (Exception e) { System.out.println(e); } return keyword1.toString().split(" "); } }