前端代码：
function f_pfgjdc() {
var kmdm=$("#kmdm").val();
if(kmdm==null||kmdm==""){
alert("请先选择科科目");
return;
}
if(!confirm("你确定要导出科目的判分轨迹吗？")){
return;
}
//$("#loadingImage").css("display","block");
$("#kmxxForm").attr("target","fileDownloadFrame");
//使用表单提交
$("#kmxxForm").attr("action","cjgl.do?method=expKmPfgj&kmdm="+kmdm);
$("#kmxxForm").submit();
}逻辑层代码：
public ActionForward expKmPfgj(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
String msg=null; //提示信息
String sql=""; //sql细分档
List<HashMap<String, Object>> dataListXf;//查询的结果存入这个List
SystemBusiness utils=new SystemBusiness(); //工具类，在下面会贴代码
response.setContentType("application/json;charset=gb2312");
try{
String kmdm=request.getParameter("kmdm");
if(kmdm==null){
msg="缺少科目参数！";
return utils.actionReturnErrorPage(mapping, request, msg, "actFwdRs");
}
//获取科目名称
HashMap kmMap=(HashMap)IbatisDAO.getObjectByIbatis("getKmxxByKmdm_kmdm", kmdm);
String kmmc=kmMap==null?"":kmMap.get("KMMC").toString();
//先从Java里把DBF的信息定义好
List<String> dbfColList=new ArrayList<String>(); //dbf字段名
List<String> dbfColMeanList=new ArrayList<String>(); //dbf字段含义
List<String> dbfColTypeList=new ArrayList<String>(); //dbf字段类型
List<Integer> dbfColLenList=new ArrayList<Integer>(); //dbf字段长度
//赋值
dbfColList.add("bmh");
dbfColMeanList.add("保密号");
dbfColTypeList.add("c");
dbfColLenList.add(40);
dbfColList.add("kmdm");
dbfColMeanList.add("科目代码");
dbfColTypeList.add("c");
dbfColLenList.add(15);
dbfColList.add("zt");
dbfColMeanList.add("状态");
dbfColTypeList.add("c");
dbfColLenList.add(5);
dbfColList.add("yh");
dbfColMeanList.add("用户");
dbfColTypeList.add("c");
dbfColLenList.add(5);
dbfColList.add("sj");
dbfColMeanList.add("判分时间");
dbfColTypeList.add("c");
dbfColLenList.add(32);
dbfColList.add("pf");
dbfColMeanList.add("判分");
dbfColTypeList.add("c");
dbfColLenList.add(10);
dbfColList.add("scsj");
dbfColMeanList.add("生成时间");
dbfColTypeList.add("c");
dbfColLenList.add(30);
dbfColList.add("ksh");
dbfColMeanList.add("考生号");
dbfColTypeList.add("c");
dbfColLenList.add(20);
//查询数据的SQL，这里要和上面赋值的保持同步
sql = "select b.bmhh,a.kmdm,a.zt,a.yh,to_char(a.sj,'yyyy-mm-dd hh24:mi:ss') sj,a.pf,to_char(a.scsj,'yyyy-mm-dd hh24:mi:ss') scsj,b.ksh from T_PFJD a,T_SJJD b where a.kmdm='"+kmdm+"' and a.kmdm=b.kmdm and a.bmh=b.bmh order by a.bmh,a.yh";
dataListXf=IbatisDAO.getListByIbatis("getHashMap_ibatis", sql);
//获取文件位置(临时路径)
String fileLocString=utils.getFileTempDir(request);//调用工具类，代码下面有贴
//生成轨迹文件(判分)
String serverFile1=fileLocString+"\\"+kmmc+"判分轨迹.dbf"; //用户的唯一号做标记，服务器保存用
msg=utils.writeDbf(serverFile1, dbfColList, dbfColMeanList, dbfColTypeList, dbfColLenList, dataListXf);
if(msg!=null){//生成出错
return utils.actionReturnErrorPage(mapping, request, msg, "actFwdRs");
}
//生成DBF字段说明文件
String serverFile2=fileLocString+"\\"+kmmc+"判分轨迹字段说明.txt";
List<String> textList=new ArrayList<String>();//写入内容
textList.add("dbf字段含义说明");
textList.add("");
for(int i=0;i<dbfColList.size();i++){
String text=dbfColList.get(i)+" : "+dbfColMeanList.get(i);
textList.add(text);
}
//创建txt文件
boolean lb_ret=utils.writerTxt(serverFile2,textList);
if(!lb_ret){
msg="创建字段说明文件时发生异常！";
return utils.actionReturnErrorPage(mapping, request, msg, "actFwdRs");
}
//打包生成zip
List<String> fileList=new ArrayList<String>();
fileList.add(serverFile1);
fileList.add(serverFile2);
String serverFile=fileLocString+"\\"+kmmc+"判分轨迹.zip";
utils.createZip(serverFile, fileList);
File file=new File(serverFile);
if(!file.isFile() || !file.exists()){
msg="生成下载文件失败！";
return utils.actionReturnErrorPage(mapping, request, msg, "actFwdRs");
}
//下载文件
utils.downloadFile(response, serverFile, kmmc+"判分轨迹.zip");
}catch(Exception e){
msg="下载时发生异常！\n"+e;
return utils.actionReturnErrorPage(mapping, request, msg, "actFwdRs");
}
return null;
}工具类的代码（可能有点长但都是干货）
package com.oumasoft.art.manage.client.business;
import java.io.BufferedInputStream;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.sql.SQLException;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.lang.CharSet;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import com.linuxense.javadbf.DBFField;
import com.linuxense.javadbf.DBFReader;
import com.linuxense.javadbf.DBFWriter;
import com.oumasoft.art.manage.client.dao.IbatisDAO;
import com.oumasoft.art.manage.client.form.ErrorMsgDTO;
import java.util.regex.Matcher;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
public class SystemBusiness{
/**
* 获取用户登录的IP
*
* @param HttpServletRequest
* request
* @return String ip
* @算法：
*/
public String getIpAddr(HttpServletRequest request) {
String ip = null;
ip = request.getHeader("x-forwarded-for");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip;
}
/**
* 将字符串中的换行符替换为html的<br>
*
* @param String
* srcString 待转换字符串
* @param String
* replaceString 替换符
* @return String 转换后字符串
* @算法：
*/
public String convertEnter(String srcString, String replaceString)
throws Exception {
String reg = "[\n-\r]";
Pattern p = Pattern.compile(reg);
Matcher m;
m = p.matcher(srcString);
return m.replaceAll(replaceString);
}
// //获取当前日期
// public String getDateNow() throws Exception{
// String dateString=(String)IbatisDao.getObjectByIbatis("getSysdate_ibatisXML", null);
// return dateString.substring(0,10);
// }
//字符串转日期
public Date getDateFromStr(String strDate) throws Exception{
return DateFormat.getDateInstance().parse(strDate);
}
//将double数据保留floats位小数，转换成字符串返回
public String convertDouble(double d,int floats){
if(floats==0){
return ""+Math.round(d);
}
String floatStr=".";
for(int i=0;i<floats;i++){
floatStr+="#";
}
DecimalFormat df=new DecimalFormat(floatStr);
String st=df.format(d);
return st;
}
/**
* ajax返回输出异常
* @param PrintWriter out 输出
* @param JSONObject retJSONObject 返回json对象
* @param String msg 异常信息内容
*/
public void ajaxReturnError(PrintWriter out,JSONObject retJSONObject,String msg){
retJSONObject.put("isMsg", true);
retJSONObject.put("msg", msg);
retJSONObject.put("isContinued", false);
out.print(retJSONObject.toString());
out.flush();
out.close();
}
/**
* ajax返回session超时
* @param PrintWriter out 输出
* @param JSONObject retJSONObject 返回json对象
* @param String msg 异常信息内容
*/
public void ajaxReturnSessionTimeout(PrintWriter out,JSONObject retJSONObject){
retJSONObject.put("isMsg", true);
retJSONObject.put("msg", "会话超时，请重新登录！");
retJSONObject.put("isContinued", false);
out.print(retJSONObject.toString());
out.flush();
out.close();
}
/**
* 输出时间提示
* @param String 需要输出的内容
* yh.li@08-12-23
*/
public String getTime() {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String mDateTime = formatter.format(Calendar.getInstance().getTime());
return mDateTime;
}
/**
* 输出时间提示
* @param String 需要输出的内容
* yh.li@08-12-23
*/
public String getTime2() {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
String mDateTime = formatter.format(Calendar.getInstance().getTime());
return mDateTime;
}
/**
* ajax返回输出异常
* @param ActionMapping mapping
* @param HttpServletRequest request
* @param String msg 异常信息内容
* @param int errType 异常信息类型
* @param int errModual 异常产生模块
*/
public ActionForward actionReturnError(ActionMapping mapping,HttpServletRequest request,String msg,String errModual){
ErrorMsgDTO em = new ErrorMsgDTO(msg,2,errModual);
request.getSession().setAttribute("errorMsgDTO", em);
return mapping.findForward("error");
}
/**
* ajax返回输出异常
* @param ActionMapping mapping
* @param HttpServletRequest request
* @param String msg 异常信息内容
* @param int errType 异常信息类型
* @param int errModual 异常产生模块
*/
public ActionForward actionReturnErrorPage(ActionMapping mapping,HttpServletRequest request,String msg,String forwardPage){
request.setAttribute("isMsg", true);
request.setAttribute("msg", msg);
request.setAttribute("isContinued", false);
return mapping.findForward(forwardPage);
}
/**
* session超时
* @param ActionMapping mapping
*/
public ActionForward actionReturnSessionTimeout(ActionMapping mapping){
return mapping.findForward("error");
}
/**
* null装换成""
* @param obj
* @return
*/
public Object nullToEmpty(Object obj){
return obj==null?"":obj;
}
private List<String> excelHeadList;
/**
* 读取Excel文件内容，放入List中，其中第一行为标头，及数据行HashMap的key
* @throws Exception
*/
public List<HashMap<String,Object>> getExcelContent(String fileString) throws Exception{
this.excelHeadList=new ArrayList<String>();
File file=new File(fileString);
if(!file.exists()){
throw new Exception("上传文件名中可能包含无法识别的字符，请参照如下转码后的文件名“"+fileString.substring(1+fileString.lastIndexOf("\\"))+"”，对比源文件名找到特殊字符，进行修改！");
}
Workbook workbook=null;
try {
//都支持直接用流的方式创建workbook 这个地方是关键
//workbook=Workbook.getWorkbook(new ByteArrayInputStream(file.getByteData()));
workbook=Workbook.getWorkbook(file);
} catch (BiffException e1) {
throw new Exception("请检查您的excel文件格式是否正确！\n"+e1+"\n如果确认文件内容无误，可以尝试将数据拷贝至新Excel(类型97-2003(*.xls))中重试导入！");
} catch (IOException e1) {
throw new Exception("创建或者获取流出错！\n"+e1);
}
return this.getExcelContent(workbook);
}
/**
* @throws Exception
* 抛出异常 这些异常留给调用的位子处理 zk读取excel
*/
public List<HashMap<String,Object>> getExcelContent(Workbook workbook) throws Exception{
List<HashMap<String,Object>> dataList =new ArrayList<HashMap<String,Object>>();
Sheet[] sheets=workbook.getSheets();
if(sheets.length<=0){
workbook.close();
throw new Exception("读取excel的出错，页数小于等于0");
}
Sheet sheet=workbook.getSheet(0);//读取到第一页
if(sheet==null){
workbook.close();
throw new Exception("读取excel的出错，sheet 为空");
}
int rownum=sheet.getRows();//查看excel的行数 如果行数小于=0表示没有数据 如果页数小于1表实只有表头 都不读
if(rownum<=0){
workbook.close();
throw new Exception("导入的文件为空值");
}else if(rownum==1){
workbook.close();
throw new Exception("导入的文件只有表头");
}
int colnum=sheet.getColumns();//列数
Cell[] cbiaot=sheet.getRow(0);//表头
for(int i=0;i<cbiaot.length;i++){//循环把表头存入列表中
if(cbiaot[i]==null){ //读到空值就返回了
break;
}
String value=cbiaot[i].getContents();
value=(value==null?"":value.trim());
if("".equals(value)){ //读到空值就返回了
break;
}else{
this.excelHeadList.add(value);
}
}
if(cbiaot.length!=colnum){
workbook.close();
throw new Exception("导入的文件表头的列数和文件列数不匹配请检查");
}
for(int i=1;i<rownum;i++){//循环行数
HashMap<String,Object> rowMap=new HashMap<String,Object>();
Cell[] dd = new Cell[colnum];
Cell[] ddTmp = sheet.getRow(i);
if(ddTmp==null||ddTmp.length==0||"".equals(ddTmp[0].getContents())){
break; //遇到空行读取数据结束
}
if(dd.length==ddTmp.length){
dd=ddTmp;
}else{
if(ddTmp.length<dd.length){ //数据行数少，则以空值填充
for(int j=0;j<ddTmp.length;j++){
dd[j]=ddTmp[j];
}
for(int j=ddTmp.length;j<dd.length-ddTmp.length;j++){
dd[j]=null;
}
}else{
for(int j=0;j<dd.length;j++){
dd[j]=ddTmp[j];
}
}
}
for(int j=0;j<dd.length;j++){//循环列数 取出每个单元格的值 这些值拿起用就行了 放入hashmap
if(dd[j]==null){
rowMap.put(cbiaot[j].getContents(), "");
}else{
rowMap.put(cbiaot[j].getContents(), dd[j].getContents()==null?"":dd[j].getContents().trim());
}
}
dataList.add(rowMap);
}
if(dataList.size()==0){
workbook.close();
throw new Exception("导入文件中数据行为空，请检查！");
}
workbook.close();
return dataList;
}
/** 获取表头的list<String>
* @return
* @throws Exception
*/
public List<String> getExcelHeadList() throws Exception{
if(this.excelHeadList==null||this.excelHeadList.size()<=0){
throw new Exception("读取Excel失败！无法获取表头信息！");
}
return excelHeadList;
}
/**
* 判断是否存在中文字符
* @param str
* @return
*/
public boolean isChs(String str) {
boolean mark = false;
Pattern pattern = Pattern.compile("[\u4E00-\u9FA5]");
Matcher matc = pattern.matcher(str);
StringBuffer stb = new StringBuffer();
while (matc.find()) {
mark = true;
stb.append(matc.group());
}
return mark;
}
/**
* 删除某路径下包含某序列名的多个文件
* @param dir
* @param fileName
* @throws Exception
*/
public void deleteMutiFileInDir(String dir,String fileNameFilter) throws Exception {
File fileDir=new File(dir);
if(fileDir.isDirectory()){
File[] fileList=fileDir.listFiles();
for(int i=0;i<fileList.length;i++){
File fl=fileList[i];
if (fl.isFile()) {
if(fl.getName().indexOf(fileNameFilter)>=0){
try{
fl.delete();
}catch(Exception e){
throw new Exception("删除原先生成的旧数据时发生异常！\n"+e);
}
i --;
}
}
}
}
}
/**
* 新建项目对象单元格
* @param id int id
* @param idFrom int id来源 0项目代码表 1上级项目代码表
* @param xmmc String 项目名称
* @param sxh int 顺序号（如果是上级，则为下级项目的最小顺序号）
* @param maxSxh int 下级项目的最大顺序号
* @param sjxmdm int 上级项目代码（没有上级则为0）
* @param hjbz int 合计标志
* @param colSpan int 列合并
* @param colSpan int 列合并
* @return JSONObject 单元格数据对象
* yh.li@2015-04-15
*/
private JSONObject newXmObjCell(int id,int idFrom,String xmmc,int sxh,int maxSxh,int sjxmdm,int hjbz,int colSpan,int rowSpan){
JSONObject obj=new JSONObject();
obj.put("id", id);
obj.put("idFrom", idFrom);
obj.put("xmmc", xmmc);
obj.put("sxh", sxh);
obj.put("maxSxh", maxSxh);
obj.put("sjxmdm", sjxmdm);
obj.put("hjbz", hjbz);
obj.put("colSpan", colSpan);
obj.put("rowSpan", rowSpan);
return obj;
}
/**
* 从服务器某地址下载文件
* @param response HttpServletResponse
* @param fileLoc String 文件所在位置 绝对路径+文件名+后缀
* @param fileName String 保存文件显示的文件名+后缀
* yh.li@2015-04-22
* @算法：来自网上，进行参数传递的改造
*/
public void downloadFile(HttpServletResponse response,String fileLoc,String fileName) throws Exception{
response.reset();//可以加也可以不加
response.setContentType("application/x-download");
String filedisplay = URLEncoder.encode(fileName,"UTF-8"); //"给用户提供的下载文件名";
response.addHeader("Content-Disposition","attachment;filename=" + filedisplay);
java.io.OutputStream outp = null;
java.io.FileInputStream in = null;
try
{
outp = response.getOutputStream();
in = new FileInputStream(fileLoc);
byte[] b = new byte[1024];
int i = 0;
while((i = in.read(b)) > 0)
{
outp.write(b, 0, i);
}
//
outp.flush();
//要加以下两句话，否则会报错
//java.lang.IllegalStateException: getOutputStream() has already been called for //this response
// out.clear();
// out = pageContext.pushBody();
}
catch(Exception e)
{
throw e;
}
finally
{
if(in != null)
{
in.close();
in = null;
}
//这里不能关闭
//if(outp != null)
//{
//outp.close();
//outp = null;
//}
}
}
/**
* @描述：导出DBF文件
@param List<String> dbfColList=new ArrayList<String>(); //dbf字段名
@param List<String> dbfColMeanList=new ArrayList<String>(); //dbf字段含义
@param List<String> dbfColTypeList=new ArrayList<String>(); //dbf字段类型
@param List<Integer> dbfColLenList=new ArrayList<Integer>(); //dbf字段长度
* @param sql 检索数据的sql语句
* @return String 返回的信息
* @作者:
* @创建日期:
*/
public String writeDbf(String dbfFilePath,List<String> dbfColList,List<String> dbfColMeanList,List<String> dbfColTypeList,List<Integer> dbfColLenList, List<HashMap<String, Object>> dataList) {
String retMsg = null;
// 参数判空
if ("".equals(dbfFilePath) || dbfFilePath == null) {
return "导出文件路径错误！";
}
if (dbfColList.size()==0) {
return "导出dbf字段列表为空！";
}
if (dbfColList.size() != dbfColMeanList.size()
||dbfColList.size() != dbfColTypeList.size()
||dbfColList.size() != dbfColLenList.size()) {
return "导出dbf各属性列表长度不一致！";
}
DBFWriter writer = new DBFWriter();
FileOutputStream fos = null;
try {
// 获得数据库内字段个数
int columncount = dbfColList.size();
DBFField fields[]=new DBFField[columncount];
for (int i = 0; i < columncount; i++) {
fields[i] = new DBFField();
fields[i].setName(dbfColList.get(i));
if("c".equals(dbfColTypeList.get(i).toLowerCase())){
fields[i].setDataType(DBFField.FIELD_TYPE_C);
fields[i].setFieldLength(dbfColLenList.get(i));
}else if("d".equals(dbfColTypeList.get(i).toLowerCase())){
fields[i].setDataType(DBFField.FIELD_TYPE_N);
fields[i].setFieldLength(12);
fields[i].setDecimalCount(dbfColLenList.get(i));
}else{
return "不支持的列类型定义"+dbfColTypeList.get(i)+"！";
}
}
// 把字段信息写入DBFWriter实例，即定义表结构
writer.setFields(fields);
writer.setCharactersetName("gbk");
// 获取数据库表中的记录条数
int num = dataList.size();// 获取数据量
// 定义一个对象数组，用于存放从数据库取出的每一条记录
for (int i = 0; i < num; i++) {
Object[] rowData = new Object[columncount];
HashMap map = dataList.get(i);
for (int j = 0; j < columncount; j++) {
// 转型
String input = null;
// 如果获取的字段不为空 则把数据内容写入rowData
Object data=map.get(dbfColList.get(j).toUpperCase());
if(data==null){
data=map.get(dbfColList.get(j).toLowerCase());
}
if (data != null) {
// input = (String) map.get(dbfColList.get(j).toUpperCase());
if(dbfColTypeList.get(j).toLowerCase().equals("c")){
input = data.toString();
byte[] bs = input.getBytes();
data = new String(bs, "gbk");
}else{
double dataD = Double.parseDouble(data.toString());
// if(Math.ceil(dataD)==dataD){
// data=(int)dataD;
// }else{
// data=dataD;
// }
data=dataD;
}
rowData[j] = data;
} else {
rowData[j] = null;
}
}
// 把数据写入dbfWriter
writer.addRecord(rowData);
}
// 定义输出流，并关联的一个文件
fos = new FileOutputStream(dbfFilePath);
// 写入数据
writer.write(fos);
} catch (Exception e) {
retMsg = "从数据库中导出" + dbfFilePath + "时出现异常：" + e.getMessage();
e.printStackTrace();
return retMsg;
} finally {
try {
fos.close();
} catch (Exception e) {
// retMsg += "关闭输出连接时出现异常：" + e.getMessage();
return retMsg;
}
}
return retMsg;
}
/**
* 获取临时文件存储所在的目录
* @param HttpServletRequest request
* @return String 路径
* @算法：
*/
public String getFileTempDir(HttpServletRequest request) throws Exception{
String dir=request.getSession().getServletContext().getRealPath("临时文件");
new File(dir).mkdirs();
return dir;
}
/**
* 新建txt，写入内容
* @param txtFile txt文件绝对路径+文件名
* @param textList 写入内容，逐行写入
*/
public boolean writerTxt(String txtFile,List<String> textList) {
BufferedWriter fw = null;
try {
File file = new File(txtFile);
boolean lb_ret=true;
if(file.exists()){
lb_ret=file.delete();
}
if(lb_ret){
fw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file, true), "UTF-8")); // 指定编码格式，以免读取时中文字符异常
for(int i=0;i<textList.size();i++){
fw.append(textList.get(i));
fw.newLine();
}
fw.flush(); // 全部写入缓存中的内容
}
} catch (Exception e) {
e.printStackTrace();
return false;
} finally {
if (fw != null) {
try {
fw.close();
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
}
return true;
}
/**
* 创建ZIP文件
* @param sourcePath 文件或文件夹路径
* @param zipPath 生成的zip文件存在路径（包括文件名）
* @throws SQLException
*/
public void createZip(String zipPath,List<String> fileList) throws Exception {
FileOutputStream fos = null;
ZipOutputStream zos = null;
try {
fos = new FileOutputStream(zipPath);
zos = new ZipOutputStream(fos);
zos.setEncoding("gbk");
this.writeZip(zos,fileList);
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
try {
if (zos != null) {
zos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
private void writeZip(ZipOutputStream zos,List<String> fileList) throws SQLException {
for(int i = 0; i < fileList.size(); i++){
String filePath=fileList.get(i);
File file = new File(fileList.get(i));
if(file.exists()){
FileInputStream fis=null;
DataInputStream dis=null;
try {
fis=new FileInputStream(file);
dis=new DataInputStream(new BufferedInputStream(fis));
ZipEntry ze = new ZipEntry(file.getName());
zos.putNextEntry(ze);
byte [] content=new byte[8192];
int len;
while((len=fis.read(content))!=-1){
zos.write(content,0,len);
zos.flush();
}
} catch (FileNotFoundException e) {
} catch (IOException e) {
}finally{
try {
if(dis!=null){
dis.close();
}
}catch(IOException e){
e.printStackTrace();
}
}
}
}
}
}
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