[java]

/**

* ReportExportAction.java

* 版权所有(C) 2012

* 创建:cuiran 2012-08-14 10:38:21

*/

package com.wpn.web.action.report;

import java.io.BufferedInputStream;

import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.OutputStream;

import java.io.PrintWriter;

import java.util.List;

import javax.servlet.ServletOutputStream;

import javax.servlet.http.HttpServletResponse;

import jxl.Workbook;

import jxl.format.Colour;

import jxl.write.Border;

import jxl.write.Label;

import jxl.write.WritableSheet;

import jxl.write.WritableWorkbook;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import com.alibaba.fastjson.JSON;

import com.wpn.web.dao.union.ICallTaxiDao;

import com.wpn.web.domain.report.ReportCallInfo;

import com.wpn.web.dto.report.ReportCallDto;

import com.wpn.web.processor.IProcessor;

import com.wpn.web.processor.requestVo.mytmq.BaseRequestVo;

import com.wpn.web.processor.requestVo.report.ReportCallVo;

import com.wpn.web.util.JsonCallback;

import com.wpn.web.util.UtilDate;

import com.wpn.web.util.VeDate;

/**

* TODO

* @author cuiran

* @version TODO

*/

public class ReportExportAction implements IProcessor {

private static Log log = LogFactory.getLog(ReportExportAction.class.getName());

private ICallTaxiDao dao;

/**

* @return the dao

*/

public ICallTaxiDao getDao() {

return dao;

}

/**

* @param dao the dao to set

*/

public void setDao(ICallTaxiDao dao) {

this.dao = dao;

}

/* (non-Javadoc)

* @see com.wpn.web.processor.IProcessor#processMessage(com.wpn.web.processor.requestVo.mytmq.BaseRequestVo, javax.servlet.http.HttpServletResponse)

*/

@Override

public void processMessage(BaseRequestVo model, HttpServletResponse response) {

ReportCallDto dto = new ReportCallDto();

PrintWriter out = null;

ReportCallVo vo = (ReportCallVo) model;

try {

response.reset();

out = response.getWriter();

response.setCharacterEncoding("utf-8");

response.reset();

String strFromTime="";

String strEndTime="";

List list=dao.getReportCallInfo(strFromTime, strEndTime);

String excelName = UtilDate.getFirstOrderNum(6);

String path=this.excelSave(list,excelName);

response.setContentType("application/octet-stream;charset=UTF-8");

//下载

response.setHeader("Content-disposition", "attachment;filename=" + excelName+".xls"); //文件名，在这下载了是乱码

BufferedInputStream bis = new BufferedInputStream(new FileInputStream(path));

ServletOutputStream sos=response.getOutputStream();

BufferedOutputStream bos = new BufferedOutputStream(sos);

byte[] buffer = new byte[1024];

int len = -1;

while ((len = bis.read(buffer)) != -1) {

bos.write(buffer, 0, len);

}

bos.close();

sos.close();

bis.close();

} catch (Exception e) {

log.error("获取打车请求量出错", e);

}

}

public String excelSave(List list,String excelName){

String path="D:\\UpLoadFile\\" + excelName + ".xls";

try{

WritableWorkbook book = Workbook.createWorkbook(new File(

path));

WritableSheet sheet = book.createSheet("sheet_1", 0);

jxl.write.WritableFont font1 = new jxl.write.WritableFont(

jxl.write.WritableFont.TIMES, 16,

jxl.write.WritableFont.BOLD);

jxl.write.WritableFont font3 = new jxl.write.WritableFont(

jxl.write.WritableFont.TIMES, 10,

jxl.write.WritableFont.BOLD);

jxl.write.WritableCellFormat CBwcfF1 = new jxl.write.WritableCellFormat(

font1);

jxl.write.WritableCellFormat CBwcfF2 = new jxl.write.WritableCellFormat();

jxl.write.WritableCellFormat CBwcfF3 = new jxl.write.WritableCellFormat(

font3);

jxl.write.WritableCellFormat CBwcfF4 = new jxl.write.WritableCellFormat();

CBwcfF1.setAlignment(jxl.write.Alignment.CENTRE);

CBwcfF2.setAlignment(jxl.write.Alignment.RIGHT);

CBwcfF3.setAlignment(jxl.write.Alignment.CENTRE);

CBwcfF3.setBorder(Border.ALL, jxl.format.BorderLineStyle.THIN,

Colour.BLACK);

CBwcfF4.setBorder(Border.ALL, jxl.format.BorderLineStyle.THIN,

Colour.BLACK);

Label labelhead16 = new Label(0, 0, "透明球统计信息表", CBwcfF1);

sheet.addCell(labelhead16);

sheet.mergeCells(0, 0, 12, 0);

sheet.mergeCells(0, 1, 12, 1);

sheet.setColumnView(0, 5);

sheet.setColumnView(1, 25);

sheet.setColumnView(2, 25);

Label labelhead0 = new Label(0, 2, "    序号", CBwcfF3);

Label labelhead1 = new Label(1, 2, "    日    期", CBwcfF3);

Label labelhead2 = new Label(2, 2, "    应召数量", CBwcfF3);

sheet.addCell(labelhead0);

sheet.addCell(labelhead1);

sheet.addCell(labelhead2);

for (int i = 0; i < list.size(); i++) {

ReportCallInfo data=list.get(i);

Label label0 = new Label(0, i + 3, i + 1 + "", CBwcfF4);

Label label1 = new Label(1, i + 3, formatString(data

.getNowday()), CBwcfF4);

Label label2 = new Label(2, i + 3, formatString(data

.getCallnum()), CBwcfF4);

sheet.addCell(label0);

sheet.addCell(label1);

sheet.addCell(label2);

}

log.debug("导出excel成功");

book.write();

book.close();

}catch (Exception e) {

e.printStackTrace();

}

return path;

}

public String formatString(String str) {

if (str == null) {

str = "  ";

}

return str;

}

}

作者：cuiran

http://www.dengb.com/Javabc/529584.htmlwww.dengb.comtruehttp://www.dengb.com/Javabc/529584.htmlTechArticle[java] /** * ReportExportAction.java * 版权所有(C) 2012 * 创建:cuiran 2012-08-14 10:38:21 */ package com.wpn.web.action.report; import java.io.BufferedInputStream; import java...