Easyui excel表格的导出

package com.caitong.activity.action;

import java.io.IOException;
import java.io.OutputStream;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import jxl.Workbook;
import jxl.format.Colour;
import jxl.write.Label;
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;

import org.apache.struts2.ServletActionContext;

import com.caitong.activity.util.DBUtil;
import com.opensymphony.xwork2.Action;

public class ExportExcelAction implements Action{
/*
* 生成excel文件
*/
public void createExcel() {
try{
HttpServletRequest req = ServletActionContext.getRequest();
HttpServletResponse response = ServletActionContext.getResponse();
req.setCharacterEncoding("UTF-8");
String title1 = req.getParameter("fileName");
//最近看了一下，发现解决乱码不用关心浏览器，可以简单搞定
String downLoadName = new String(title1.getBytes("gbk"), "iso8859-1");
response.setContentType("octets/stream");
response.addHeader("Content-Type", "text/html; charset=utf-8");
response.setHeader("Content-Disposition", "attachment;filename=" + downLoadName+".xls");
//创建输出流
OutputStream os = response.getOutputStream();
//创建工作簿
WritableWorkbook workbook = Workbook.createWorkbook(os);
//创建新的一页（说白了就是第一个表）
WritableSheet sheet = workbook.createSheet("Sheet0", 0);
//构造表头
//添加合并单元格，第一个参数是起始列，第二个参数是起始行，第三个参数是终止列，第四个参数是终止行
sheet.mergeCells(0, 0, 7, 0);
//设置字体的种类和黑体显示，字体为Arial字号的大小为10，采用黑体显示
WritableFont bold = new WritableFont(WritableFont.ARIAL, 12, WritableFont.BOLD);
//生成一个单元格样式控制对象
WritableCellFormat titleFormate = new WritableCellFormat(bold);
//单元格中的内容水平方向居中
titleFormate.setAlignment(jxl.format.Alignment.CENTRE);
//单元格中的内容垂直方向居中
titleFormate.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
Label title = new Label(0, 0, title1, titleFormate);
//表头的内容填到设置的单元格中
sheet.addCell(title);
//设第一行的行高
sheet.setRowView(0, 600, false);
//设置单元格每一列的宽度
for (int i = 0; i <= 7; i++) {
sheet.setColumnView(i, 20);
}
//创建需要显示的具体内容
WritableFont color = new WritableFont(WritableFont.ARIAL);//选择字体
color.setColour(Colour.BLACK);//设置字体为BLACK颜色
WritableCellFormat colorFormat = new WritableCellFormat(color);
//终于开始写表头列
Label agentId = new Label(0,1,"站点编号",colorFormat);
sheet.addCell(agentId);
Label phone = new Label(1,1,"手机号",colorFormat);
sheet.addCell(phone);
Label userId = new Label(2,1,"身份证号",colorFormat);
sheet.addCell(userId);
Label description = new Label(3,1,"奖金说明",colorFormat);
sheet.addCell(description);
Label bonusDetial = new Label(4,1,"奖金金额",colorFormat);
sheet.addCell(bonusDetial);
Label addTimestamp = new Label(5,1,"参与时间",colorFormat);
sheet.addCell(addTimestamp);
Label prizeFlag = new Label(6,1,"兑奖状态",colorFormat);
sheet.addCell(prizeFlag);
Label prizeTimestamp = new Label(7,1,"兑奖时间",colorFormat);
sheet.addCell(prizeTimestamp);

//调用存储过程
//使用action上下文获取请求
HttpServletRequest request = ServletActionContext.getRequest();
//获取前台的的输入参数
String luckyDrawId = request.getParameter("luckyDrawId");
//获取数据库的链接
Connection conn = DBUtil.getConnection();
CallableStatement call = null;
ResultSet rs = null;
try {
//调用oracle数据库中的存储过程
call  = conn.prepareCall("{call PK_REPORT.Qr_Excel_Data(?,?)}");
call.setObject(1, luckyDrawId);
call.registerOutParameter(2, oracle.jdbc.OracleTypes.CURSOR);
call.execute();
rs = (ResultSet) call.getObject(2);
//设置价格（金额）的格式
java.text.DecimalFormat df = new java.text.DecimalFormat("##0.00");
//游标循环
int Row = 2;
while(rs.next()){
//因为列名不能重复，所以起名字的时候随意了一点
Label agentId1 = new Label(0,Row,rs.getString("Agent_ID"),colorFormat);
sheet.addCell(agentId1);
Label phone1 = new Label(1,Row,rs.getString("Phone"),colorFormat);
sheet.addCell(phone1);
Label personalId = new Label(2,Row,rs.getString("Personal_ID"),colorFormat);
sheet.addCell(personalId);
Label description1 = new Label(3,Row,rs.getString("Description"),colorFormat);
sheet.addCell(description1);
Label bonusValue = new Label(4,Row,rs.getString("Bonus_Value") == null?"0":String.valueOf(df.format(Float.valueOf(rs.getString("Bonus_Value"))/100)),colorFormat);
sheet.addCell(bonusValue);
Label joinTimestamp = new Label(5,Row,rs.getString("Join_Timestamp"),colorFormat);
sheet.addCell(joinTimestamp);
Label prizeFlag1 = new Label(6,Row,rs.getString("Prize_Flag"),colorFormat);
sheet.addCell(prizeFlag1);
Label prizeTimestamp1 = new Label(7,Row,rs.getString("Prize_Timestamp"),colorFormat);
sheet.addCell(prizeTimestamp1);
Row = Row + 1;
}
}catch (Exception e) {
e.printStackTrace();
}
//把创建的内容写入到输出流中，并关闭输出流
workbook.write();
workbook.close();
os.flush();
os.close();
}catch(Exception e){
e.printStackTrace();
}
}

@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
return null;
}

}

----------
//前台
ae19
jsp代码`
<!-- 触发事件的按钮 -->
<div id="excel_toolbar">
<a href="javascript:void(0);" class="easyui-linkbutton"
iconCls="icon-table" plain="true" onclick="exptInfo()">
导出Excel
</a>
</div>
<!-- 隐藏的form表单 -->
<form id='excelForm' action="ExportExcelAction.action"
method="post">
<input id="fileName" name='fileName' value="2016-07进店送彩票活动" type="hidden" />
<input id="luckyDrawId" name='luckyDrawId'  type="hidden" />
</form>
/* 获取页面参数目的向后台请求参数 */
function exptInfo(){
var fileName =  $("#luckyDrawId").combobox('getText');
var luckyDrawId = $("#luckyDrawId").combobox('getValue');
//给参数赋值
document.forms["excelForm"].luckyDrawId.value = luckyDrawId;
document.getElementById("excelForm").submit();
}

----------
struts.xml中的配置

<action name="ExportExcelAction" class="com.caitong.activity.action.ExportExcelAction" method="createExcel">

</action>

//oracle数据库中的存储过程
Procedure Qr_Excel_Data( iLucky_Draw_Id In Varchar2,
oInfo Out Sys_Refcursor ) Is
Begin
Open oInfo For
Select A.Agent_ID, --站点号
A.Phone, --手机号
A.Personal_ID, --身份证号
A.Description, --奖金说明
A.Bonus_Value, --奖金金额
To_Char( A.Join_Timestamp, 'YYYY-MM-DD HH24:MI:SS' ) Join_Timestamp, --参与时间
Decode( A.Prize_Flag, 1, '已兑奖', '未兑奖' ) Prize_Flag, --兑奖状态
To_Char( Prize_Timestamp, 'YYYY-MM-DD HH24:MI:SS' ) Prize_Timestamp --兑奖时间
From( Select A.Agent_ID, B.Phone, B.Personal_Id, A.Join_Timestamp, A.Prize_Timestamp, A.Prize_Flag,
C.Description, C.Bonus_Value,
Row_Number() Over( Order By A.Join_Timestamp Desc ) Row_Pos
From Tb_Lucky_Draw A,
Tb_User_Info B,
Tb_Dic_Bonus C
Where( A.Lucky_Draw_Id = iLucky_Draw_Id ) And
( A.Wechat_Id = B.Wechat_Id(+) ) And
( A.Lucky_Draw_Id = C.Lucky_Draw_Id ) And
( A.Bonus_Id = C.Bonus_Id ) ) A
Order By A.Row_Pos;

Return;
End Qr_Excel_Data;

end PK_Report;