import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import java.lang.reflect.Field;

import jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.CellFormat;
import jxl.format.VerticalAlignment;
import jxl.write.Label;
import jxl.write.Number;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;


public class CreateXL {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		CreateXL C = new CreateXL();
		System.out.println(C.excelPage());
	}

	 /***************************************************************************
	  * @param fileName EXCEL文件名称
	  * @param listTitle EXCEL文件第一行列标题集合
	  * @param listContent EXCEL文件正文数据集合
	  * @return
	  */
	public  final static String exportExcel(String fileName,String[] Title, List<List> listContent) {
		  String result="系统提示：Excel文件导出成功！";  
		 
		  try {  
	            WritableWorkbook book = Workbook.createWorkbook(new File(fileName));  
	            WritableSheet sheet = book.createSheet("第一页",0);  
	            for(int i=0;i<Title.length;i++){
	            	sheet.addCell(new Label(i,0,Title[i]));
	            }
	            int i=1;
	            for(List a:listContent){
	            	
	            	for(int x=0;x<a.size();x++){
	            		sheet.addCell(new Label(x,i,(String)a.get(x)));
	            	}
	            	i++;
	            }
	            book.write();  
	            book.close();  
	        } catch (IOException e) {  
	            e.printStackTrace();  
	        } catch (RowsExceededException e) {  
	            e.printStackTrace();  
	        } catch (WriteException e) {  
	            e.printStackTrace();  
	        }  
		  return result;
		 }
	/**
	 * 导出excel
	 * @return
	 */
	public String excelPage(){
		CreateXL excel=new CreateXL();
		String str="";
		
		List<List> li=new ArrayList();
		List l=new ArrayList();
		for(int i =0 ; i<3;i++){
			l.add(""+i+"");
		}
		li.add(l);
		li.add(l);
		li.add(l);
		li.add(l);
		System.out.println(li);
		String[] Title={"名称","省名称","城市名称"};
		return excel.exportExcel("D:\\DB\\客户资料信息.xls",Title, li); 
	}
	
		}	

java 生成Excel 的方法,布布扣,bubuko.com

java 生成Excel 的方法