package com.pingan;import java.io.File;import java.util.regex.Matcher;import java.util.regex.Pattern;import jxl.Cell;import jxl.Workbook;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;public class KanApp {/*** @param args*/public static void main(String[] args) {int rows = 0;int cols = 0;    //单元格内容String strCon = "";    //excel路径 注意只支持xls后缀的String filePath ="D:\\Users\\kanlianhui689\\Desktop\\WorkSpace\\onecard.xls";//正则Pattern pattern = Pattern.compile("(\\w|\\-)+(\\w|\\.|\\-){0,}@[a-z0-9A-Z]+(\\.[a-z0-9A-Z]+){0,}\\.[A-Za-z]+");Matcher matcher = null;boolean isEmail = false ;try {Workbook book = Workbook.getWorkbook( new File( filePath ));WritableWorkbook wbook = Workbook.createWorkbook(new File(filePath), book);//// 获得第一个工作表对象 WritableSheet sheet = (WritableSheet) wbook.getSheet( 0 );rows = sheet.getRows();Cell cell1 = null;for (int i = rows - 1; i >=0 ; i--){cell1 = sheet.getCell( cols , i );strCon = cell1.getContents();matcher = pattern.matcher(strCon.trim());isEmail = matcher.matches();//System.out.println("try :["+strCon + "]\tres :"+isEmail);if (isEmail){System.out.println("delete :"+strCon);sheet.removeRow(i);    }} wbook.write();wbook.close();book.close();System.out.println("done!");} catch (Exception e) {System.out.println(e);} } }