调用：
//写入EXCEL表格
String fileName = "";
fileName=dtPart+".xls";
File fs = new File("E:\\ITFI_SELSTK\\app\\webapp\\excel\\");
String[] fns=fs.list();
boolean exist = false;
if(fns!=null&&fns.length>0)
{
for(int i=0;i<fns.length;i++)
{
if(fns[i].equals(fileName))
exist = true;
}
}
if(exist==false||fns.length<=0)
{
//取出股票策略
String sql = "select a.sec_cd,b.sel_snm from (select distinct sec_cd,ind_id from cd_10_ind.dbo.ind_s_model_sel where pub_dt=convert(char(10),getdate(),120)) as a,AUTO_SEL_CLS b where a.ind_id=b.sel_cd ";
DatabaseOperate opcl = new DatabaseOperate("jdbc_sel_stk", DatabaseOperate.OP_QUERY, sql, request);
String[][] indnms = opcl.execute();
for(int m=0;m<totalb1Stks.length;m++)
{
for(int n=0;n<indnms.length;n++)
{
if(totalb1Stks[m][0].trim().equals(indnms[n][0].trim()))
{
totalb1Stks[m][28]+=indnms[n][1]+",";
}
}
}
File f = new File("E:\\ITFI_SELSTK\\app\\webapp\\excel\\"+fileName);
f.createNewFile();
writeExcel(new FileOutputStream(f),totalb1Stks);
}
//end write excel ===========
----------------------------------------------------------------------------------------
public static void writeExcel(OutputStream os,String[][] smsInfo) throws Exception {
jxl.write.WritableWorkbook wwb = Workbook.createWorkbook(os);
jxl.write.WritableSheet ws = wwb.createSheet("Sheet1", 0);
//控制显示格式
jxl.write.WritableFont wfc =
new jxl.write.WritableFont(
WritableFont.ARIAL,
10,
WritableFont.BOLD,
false,
UnderlineStyle.NO_UNDERLINE,
jxl.format.Colour.GREEN);
//jxl.write.WritableCellFormat wcfFC = //格式控制
// new jxl.write.WritableCellFormat(wfc);
String[] title = new String[16];
title[0] = "股票代码";
title[1] = "股票简称";
title[2] = "昨收盘";
title[3] = "EPS05";
title[4] = "EPS06e";
title[5] = "评级人数";
title[6] = "评级系数";
title[7] = "PE";
title[8] = "PB";
title[9] = "PS";
title[10] = "PE/G";
title[11] = "ROE";
title[12] = "毛利率";
title[13] = "行业";
title[14] = "策略";
title[15] = "录入人员";
if(smsInfo!=null)
{
int len = smsInfo.length;
//先写入excel表格标题
jxl.write.Label labelC = new jxl.write.Label(0, 0, title[0]);
ws.addCell(labelC);
String pjxs="N/A";
for(int j=1;j<title.length;j++)
{
labelC = new jxl.write.Label(j, 0, title[j]);
ws.addCell(labelC);
}
for(int i=0;i<len;i++)
{
labelC = new jxl.write.Label(0, i+1, smsInfo[i][0]);
ws.addCell(labelC);
labelC = new jxl.write.Label(1, i+1, smsInfo[i][1]);
ws.addCell(labelC);
labelC = new jxl.write.Label(2, i+1, StringUtil.getDouble(smsInfo[i][9],2));
ws.addCell(labelC);
labelC = new jxl.write.Label(3, i+1, smsInfo[i][7]);
ws.addCell(labelC);
labelC = new jxl.write.Label(4, i+1, StringUtil.getDouble(smsInfo[i][8],2));
ws.addCell(labelC);
labelC = new jxl.write.Label(5, i+1, smsInfo[i][11]);
ws.addCell(labelC);
if(!StringUtil.getDouble(smsInfo[i][10],2).equals("9.00"))
{
pjxs = StringUtil.getDouble(smsInfo[i][10],2);
}
labelC = new jxl.write.Label(6, i+1, pjxs);
ws.addCell(labelC);
labelC = new jxl.write.Label(7, i+1, StringUtil.getDouble(smsInfo[i][23],2));
ws.addCell(labelC);
labelC = new jxl.write.Label(8, i+1, StringUtil.getDouble(smsInfo[i][21],2));
ws.addCell(labelC);
labelC = new jxl.write.Label(9, i+1, smsInfo[i][22]);
ws.addCell(labelC);
labelC = new jxl.write.Label(10, i+1, StringUtil.getDouble(smsInfo[i][25],2));
ws.addCell(labelC);
labelC = new jxl.write.Label(11, i+1, StringUtil.getDouble(smsInfo[i][26],2));
ws.addCell(labelC);
labelC = new jxl.write.Label(12, i+1, StringUtil.getDouble(smsInfo[i][27],2));
ws.addCell(labelC);
labelC = new jxl.write.Label(13, i+1, smsInfo[i][24]);
ws.addCell(labelC);
labelC = new jxl.write.Label(14, i+1, smsInfo[i][28]);
ws.addCell(labelC);
labelC = new jxl.write.Label(15, i+1, smsInfo[i][18]);
ws.addCell(labelC);
}
}
//写入Exel工作表
wwb.write();
//关闭Excel工作薄对象
wwb.close();
}
参考资料：
http://www-128.ibm.com/developerworks/cn/java/l-javaExcel/index.html