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 FormatConvert; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import org.apache.poi.ss.usermodel.CellStyle; import org.apache.poi.ss.usermodel.IndexedColors; 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.xssf.usermodel.XSSFWorkbook; /** * * @author ZHAO Qi * @date 2015-4-27 12:28:41 * @version 1.6.0 */ public class tab2excel { private String input; private String output; private String seperator = "\t"; public tab2excel(String input) { this.input = input; this.output = input; } public tab2excel(String input, String output) { this.input = input; this.output = output; } public tab2excel(String input, String output, String seperator) { this.input = input; this.output = output; this.seperator = seperator; } public void tab2excel() throws FileNotFoundException, IOException { Workbook wb = new XSSFWorkbook(); Sheet sheet1 = wb.createSheet("input"); CellStyle style = wb.createCellStyle(); style.setFillForegroundColor(IndexedColors.ORANGE.getIndex()); style.setFillPattern(CellStyle.SOLID_FOREGROUND); int rowIndex = 0; BufferedReader br = null; try { br = new BufferedReader(new FileReader(new File(input))); String[] str; while (br.ready()) { str = br.readLine().split(seperator); Row row = sheet1.createRow(rowIndex); for (int i = 0; i < str.length; i++) { row.createCell(i).setCellValue(str[i]); } rowIndex++; } br.close(); } catch (FileNotFoundException ex) { System.out.println(input + " is not found! please check your filepath "); } catch (IOException ex) { System.out.println("IO error"); } FileOutputStream fileOut = new FileOutputStream(output + ".xlsx"); wb.write(fileOut); fileOut.close(); System.out.println("Convert finished. The output file is named as " + output + ".xlsx"); } public String getOutput() { return output; } public void setOutput(String output) { this.output = output; } public String getSeperator() { return seperator; } public void setSeperator(String seperator) { this.seperator = seperator; } }