java读取excel文件单元格英文出现乱码问题的解决方法

WorkbookSettings workbookSettings = new WorkbookSettings();
            workbookSettings.setEncoding("ISO-8859-1");
            Workbook wb= Workbook.getWorkbook(new File("D:\\excel\\111.xls"),workbookSettings); 

package com.jxlgnc.demo.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import jxl.WorkbookSettings;


/**
 * Created by yjl on 2018-07-18.
 */
public class GetExcelInfo {
    /*public static void main(String[] args) {
        GetExcelInfo obj = new GetExcelInfo();
        // 这个是excel数据文件
        File file = new File("E:/111.xls");
        //obj.readExcel(file);
        try {
            //得到所有数据
            List<List<String>> allData=readExcel2(file);
            System.out.println(allData);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }*/


    // 去读Excel的方法readExcel，该方法的入口参数为一个File对象
    public static void readExcel(File file) {
        try {
            // 创建输入流，读取Excel
            InputStream is = new FileInputStream(file.getAbsolutePath());


            // jxl提供的Workbook类
            //Workbook wb = Workbook.getWorkbook(is);//这样会出现乱码，改成下面的这种形式

            WorkbookSettings workbookSettings = new WorkbookSettings();
            workbookSettings.setEncoding("ISO-8859-1");
            Workbook wb= Workbook.getWorkbook(is,workbookSettings); 


            // Excel的页签数量
            int sheet_size = wb.getNumberOfSheets();
            for (int index = 0; index < sheet_size; index++) {
                // 每个页签创建一个Sheet对象
                Sheet sheet = wb.getSheet(index);
                // sheet.getRows()返回该页的总行数
                for (int i = 0; i < sheet.getRows(); i++) {
                    // sheet.getColumns()返回该页的总列数
                    for (int j = 0; j < sheet.getColumns(); j++) {
                        String cellinfo = sheet.getCell(j, i).getContents();
                        System.out.println(cellinfo);
                    }
                }
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (BiffException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }



    /**
     * 获取数据
     * @param file
     * @return
     * @throws Exception
     */
    public static List<List<String>> readExcel2(File file) throws Exception {

        // 创建输入流，读取Excel
        InputStream is = new FileInputStream(file.getAbsolutePath());
        // jxl提供的Workbook类
        //Workbook wb = Workbook.getWorkbook(is);//这样会出现乱码，改成下面的这种形式

            WorkbookSettings workbookSettings = new WorkbookSettings();
            workbookSettings.setEncoding("ISO-8859-1");
            Workbook wb= Workbook.getWorkbook(is,workbookSettings); 



        // 只有一个sheet,直接处理
        //创建一个Sheet对象
        Sheet sheet = wb.getSheet(0);
        // 得到所有的行数
        int rows = sheet.getRows();
        // 所有的数据
        List<List<String>> allData = new ArrayList<List<String>>();
        // 越过第一行 它是列名称
        for (int j = 1; j < rows; j++) {

            List<String> oneData = new ArrayList<String>();
            // 得到每一行的单元格的数据
            Cell[] cells = sheet.getRow(j);
            for (int k = 0; k < cells.length; k++) {

                oneData.add(cells[k].getContents().trim());
            }
            // 存储每一条数据
            allData.add(oneData);
            // 打印出每一条数据
            //System.out.println(oneData);

        }
        return allData;

    }
}