使用jxl 实现对Excel的导入与导出

package com.lin;

import java.io.File;
import java.io.IOException;

import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
/**
* @description java 实现Excel表格的导入与导出 </br>
* 使用jxl.jar
* @author ljh
*/
public class JavaExcelDemo {

public static void main(String[] args) throws RowsExceededException, WriteException {
//exportExcel();
try {
importExcel();
} catch (Exception e) {

e.printStackTrace();
}
}
/**
* Exel 的导出
* @throws WriteException
* @throws RowsExceededException
*/
private static void exportExcel() throws WriteException, RowsExceededException {
File file=new File("e:/jxl_text.xls");
String[] title={"id号","姓名","性别"};//注意：如果有中文会出现乱码，也会有显示不出来的情况

try {
file.createNewFile();
//创建一个可写工作簿

/*WorkbookSettings workbookSettings = new WorkbookSettings();
workbookSettings.setEncoding("ISO-8859-1");*/
WritableWorkbook workbook=Workbook.createWorkbook(file);
// WritableWorkbook workbook =Workbook.createWorkbook(file, workbookSettings);
//创建一个可写sheet页
WritableSheet sheet=workbook.createSheet("第一个sheet1", 0);
Label label=null;
//第一行，设置列名
for (int i = 0; i < title.length; i++) {
//第几列第几行，值
label=new Label(i, 0, title[i]);
sheet.addCell(label);
}
//追加10行数据
//注意：如果有中文会出现乱码，也会有显示不出来的情况
for (int i = 1; i <=10; i++) {

label=new Label(0, i, i+"");
sheet.addCell(label);

label=new Label(1, i, "张三"+i);
sheet.addCell(label);
if(i%2==0){
label=new Label(2, i, "男");
sheet.addCell(label);
}else{
label=new Label(2, i, "女");
sheet.addCell(label);
}

}
//写入数据
workbook.write();
//关闭数据
workbook.close();

} catch (IOException e) {
e.printStackTrace();
}
}
/**
* @description Excel 的导入
* @throws BiffException
* @throws IOException
*/
private static void importExcel() throws BiffException, IOException{
//获取工作簿
Workbook workbook=Workbook.getWorkbook(new File("e:/jxl_text.xls"));
//获取第一个sheet页
Sheet sheet=workbook.getSheet(0);
//获取数据
for (int i = 0; i < sheet.getRows(); i++) {
for (int j = 0; j < sheet.getColumns(); j++) {
Cell cell=sheet.getCell(j,i);
System.out.print(cell.getContents()+"\t");
}
System.out.println();
}
workbook.close();
}

}