/*打包下载*/
@RequestMapping(params = "loadZip")
public String Files(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String id = request.getParameter("FSDYGCXXID");
if (id == null) {
id = dygc_id;
}
String[] Arr = id.split(",");
String ids = "";
for (String s : Arr) {
ids += "'"+ s +"',";
}
if (Arr.length == 1 ) {
String sql = String.format("select b.FILEPATH,b.FILENAME,a.FSPX,a.FSZH,a.FSPROINSID from t_dygcgl_dygcxx_qbs a LEFT JOIN t_sys_files b on a.ID = b.MAINTABLEID LEFT JOIN act_hi_procinst c on a.FSPROINSID = c.PROC_INST_ID_ WHERE a.FSDYGCXXID = '%s' and c.END_ACT_ID_ = 'endevent1'",id );
List<Map<String, Object>> lst= systemService.findForJdbc(sql) ;
List<Map<String, Object>> files = new ArrayList<Map<String, Object>>();
List<Map<String, Object>> name = new ArrayList<Map<String, Object>>();
String root = request.getSession().getServletContext().getRealPath("/");
//File Allfile = new File(request.getSession().getServletContext().getRealPath("/"));
int s = 1;
if(lst!=null && lst.size()>0){
for(int i =0;i<lst.size();i++){
Map<String, Object> mp = new HashMap<String, Object>();
Map<String, Object> mps = new HashMap<String, Object>();
if (lst.get(i).get("FILEPATH") != null) {
File file = new File(root+lst.get(i).get("FILEPATH"));
String names = lst.get(i).get("FILENAME").toString();
names = names + s;
s++;
String fspx = lst.get(i).get("FSPX").toString();
String fszh = lst.get(i).get("FSZH").toString();
mp.put("PATH", file);
mps.put("name", names);
mps.put("fspx", fspx);
mps.put("fszh", fszh);
if(file.exists()){
files.add(mp);
name.add(mps);
}
}
}
String sqlpdf = String.format("select b.FILEPATH,b.FILENAME,a.FSPX,a.FSZH,a.FSPROINSID from t_dygcgl_dygcxx_qbs a LEFT JOIN t_sys_files b on a.ID = b.MAINTABLEID LEFT JOIN act_hi_procinst c on a.FSPROINSID = c.PROC_INST_ID_ WHERE a.FSDYGCXXID = '%s' and c.END_ACT_ID_ = 'endevent1' and b.CODEID = 'qbsysb' ",id );
List<Map<String, Object>> lstpdf= systemService.findForJdbc(sqlpdf) ;
if(lstpdf!=null && lstpdf.size()>0){
for(int i =0;i<lstpdf.size();i++){
Map<String, Object> mp = new HashMap<String, Object>();
Map<String, Object> mps = new HashMap<String, Object>();
if (lstpdf.get(i).get("FILEPATH") != null) {
String url = lstpdf.get(i).get("FILEPATH").toString();
url = StringUtils.substringBefore(url,".");
String urlname = url + ".pdf";
File file = new File(root+urlname);
String names = lstpdf.get(i).get("FILENAME").toString();
String fspx = lstpdf.get(i).get("FSPX").toString();
String fszh = lstpdf.get(i).get("FSZH").toString();
mp.put("PATH", file);
mps.put("name", names);
mps.put("fspx", fspx);
mps.put("fszh", fszh);
if(file.exists()){
files.add(mp);
name.add(mps);
}
}
}
}
}
String sqls = String.format("select fsdygcmc from t_dygcgl_dygcxx where id = '%s'",id );
Map<String, Object> map = systemService.findOneForJdbc(sqls);
String fileName = map.get("fsdygcmc").toString() + ".zip";
String userAgent = request.getHeader("user-agent");
userAgent = userAgent ==null?"":userAgent.toLowerCase();
String names = fileName;
try {
if(userAgent.contains("msie") ||userAgent.contains("trident")){
names = URLEncoder.encode(names, "UTF-8");
}else{
response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + names+".cer");
}
} catch (Exception e) {
response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + names+".cer");
}
// 在服务器端创建打包下载的临时文件
String outFilePath = request.getSession().getServletContext().getRealPath("/") + "download/";
File file_1 =new File(outFilePath);
//如果文件夹不存在则创建
if (!file_1 .exists() && !file_1 .isDirectory())
{
System.out.println("//不存在");
file_1 .mkdir();
}
File fileZip = new File(outFilePath + names);
// 文件输出流
FileOutputStream outStream = new FileOutputStream(fileZip);
// 压缩流
ZipOutputStream toClient = new ZipOutputStream(outStream);
//toClient.setEncoding("gbk");
zipFiles(files, toClient,name);
toClient.close();
outStream.close();
this.downloadFiles(fileZip, response, true);
return null;
}else {
List<Map<String, Object>> list = new ArrayList<Map<String,Object>>();
String[] Arrs = id.split(",");
for (String FSDYGCXXID : Arrs) {
String sql = String.format("select b.FILEPATH,b.FILENAME,a.FSPX,a.FSZH,a.FSPROINSID from t_dygcgl_dygcxx_qbs a LEFT JOIN t_sys_files b on a.ID = b.MAINTABLEID LEFT JOIN act_hi_procinst c on a.FSPROINSID = c.PROC_INST_ID_ WHERE a.FSDYGCXXID = '%s' and c.END_ACT_ID_ = 'endevent1'",FSDYGCXXID );
List<Map<String, Object>> lst= systemService.findForJdbc(sql) ;
List<Map<String, Object>> files = new ArrayList<Map<String, Object>>();
List<Map<String, Object>> name = new ArrayList<Map<String, Object>>();
String root = request.getSession().getServletContext().getRealPath("/");
//File Allfile = new File(request.getSession().getServletContext().getRealPath("/"));
if(lst!=null && lst.size()>0){
for(int i =0;i<lst.size();i++){
if (lst.get(i).get("FILEPATH") != null) {
Map<String, Object> mp = new HashMap<String, Object>();
Map<String, Object> mps = new HashMap<String, Object>();
File file = new File(root+lst.get(i).get("FILEPATH"));
String names = lst.get(i).get("FILENAME").toString();
String fspx = lst.get(i).get("FSPX").toString();
String fszh = lst.get(i).get("FSZH").toString();
mp.put("PATH", file);
mps.put("name", names);
mps.put("fspx", fspx);
mps.put("fszh", fszh);
if(file.exists()){
files.add(mp);
name.add(mps);
}
}
}
String sqlpdf = String.format("select b.FILEPATH,b.FILENAME,a.FSPX,a.FSZH,a.FSPROINSID from t_dygcgl_dygcxx_qbs a LEFT JOIN t_sys_files b on a.ID = b.MAINTABLEID LEFT JOIN act_hi_procinst c on a.FSPROINSID = c.PROC_INST_ID_ WHERE a.FSDYGCXXID = '%s' and c.END_ACT_ID_ = 'endevent1' and b.CODEID = 'qbsysb' ",FSDYGCXXID);
List<Map<String, Object>> lstpdf= systemService.findForJdbc(sqlpdf) ;
if(lstpdf!=null && lstpdf.size()>0){
for(int i =0;i<lstpdf.size();i++){
Map<String, Object> mp = new HashMap<String, Object>();
Map<String, Object> mps = new HashMap<String, Object>();
if (lstpdf.get(i).get("FILEPATH") != null) {
String url = lstpdf.get(i).get("FILEPATH").toString();
url = StringUtils.substringBefore(url,".");
String urlname = url + ".pdf";
File file = new File(root+urlname);
String names = lstpdf.get(i).get("FILENAME").toString();
String fspx = lstpdf.get(i).get("FSPX").toString();
String fszh = lstpdf.get(i).get("FSZH").toString();
mp.put("PATH", file);
mps.put("name", names);
mps.put("fspx", fspx);
mps.put("fszh", fszh);
if(file.exists()){
files.add(mp);
name.add(mps);
}
}
}
}
}
String sqls = String.format("select fsdygcmc from t_dygcgl_dygcxx where id = '%s'",FSDYGCXXID );
Map<String, Object> map = systemService.findOneForJdbc(sqls);
String fileName = map.get("fsdygcmc").toString() + ".zip";
String userAgent = request.getHeader("user-agent");
userAgent = userAgent ==null?"":userAgent.toLowerCase();
String names = fileName;
try {
if(userAgent.contains("msie") ||userAgent.contains("trident")){
names = URLEncoder.encode(names, "UTF-8");
}else{
response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + names+".cer");
}
} catch (Exception e) {
response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + names+".cer");
}
// 在服务器端创建打包下载的临时文件
String outFilePath = request.getSession().getServletContext().getRealPath("/") + "download/";
File file_1 =new File(outFilePath);
//如果文件夹不存在则创建
if (!file_1 .exists() && !file_1 .isDirectory())
{
System.out.println("//不存在");
file_1 .mkdir();
}
File fileZip = new File(outFilePath + names);
// 文件输出流
FileOutputStream outStream = new FileOutputStream(fileZip);
// 压缩流
ZipOutputStream toClient = new ZipOutputStream(outStream);
//toClient.setEncoding("gbk");
zipFiles(files, toClient,name);
toClient.close();
outStream.close();
Map<String, Object> mp = new HashMap<String, Object>();
mp.put("fileZip", fileZip);
list.add(mp);
}
String fileName = "单元工程word合并下载" + ".zip";
String userAgent = request.getHeader("user-agent");
userAgent = userAgent ==null?"":userAgent.toLowerCase();
String names = fileName;
try {
if(userAgent.contains("msie") ||userAgent.contains("trident")){
names = URLEncoder.encode(names, "UTF-8");
}else{
response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + names+".cer");
}
} catch (Exception e) {
response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + names+".cer");
}
// 在服务器端创建打包下载的临时文件
String outFilePath = request.getSession().getServletContext().getRealPath("/") + "download/";
File file_1 =new File(outFilePath);
//如果文件夹不存在则创建
if (!file_1 .exists() && !file_1 .isDirectory())
{
System.out.println("//不存在");
file_1 .mkdir();
}
File fileZip = new File(outFilePath + names);
// 文件输出流
FileOutputStream outStream = new FileOutputStream(fileZip);
// 压缩流
ZipOutputStream toClient = new ZipOutputStream(outStream);
//toClient.setEncoding("gbk");
zip(list, toClient);
toClient.close();
outStream.close();
this.downloadFiles(fileZip, response, true);
return null;
}
}
public static void zip(List<Map<String, Object>> list, ZipOutputStream outputStream) throws IOException, ServletException {
try {
int size = list.size();
// 压缩列表中的文件
for (int i = 0; i < size; i++) {
File file = (File) list.get(i).get("fileZip");
zips(file,outputStream);
}
} catch (IOException e) {
throw e;
}
}
public static void zips(File file, ZipOutputStream outputStream) throws IOException, ServletException {
try {
if (file.exists()) {
if (file.isFile()) {
FileInputStream inStream = new FileInputStream(file);
BufferedInputStream bInStream = new BufferedInputStream(inStream);
ZipEntry entrys = new ZipEntry(file.getName());
ZipEntry entry = new ZipEntry(entrys);
outputStream.putNextEntry(entry);
final int MAX_BYTE = 10 * 1024 * 1024; // 最大的流为10M
long streamTotal = 0; // 接受流的容量
int streamNum = 0; // 流需要分开的数量
int leaveByte = 0; // 文件剩下的字符数
byte[] inOutbyte; // byte数组接受文件的数据
streamTotal = bInStream.available(); // 通过available方法取得流的最大字符数
streamNum = (int) Math.floor(streamTotal / MAX_BYTE); // 取得流文件需要分开的数量
leaveByte = (int) streamTotal % MAX_BYTE; // 分开文件之后,剩余的数量
if (streamNum > 0) {
for (int j = 0; j < streamNum; ++j) {
inOutbyte = new byte[MAX_BYTE];
// 读入流,保存在byte数组
bInStream.read(inOutbyte, 0, MAX_BYTE);
outputStream.write(inOutbyte, 0, MAX_BYTE); // 写出流
}
}
// 写出剩下的流数据
inOutbyte = new byte[leaveByte];
bInStream.read(inOutbyte, 0, leaveByte);
outputStream.write(inOutbyte);
outputStream.closeEntry(); // Closes the current ZIP entry
// and positions the stream for
// writing the next entry
bInStream.close(); // 关闭
inStream.close();
}
} else {
throw new ServletException("文件不存在！");
}
} catch (IOException e) {
throw e;
}
}
public static void zipFiles(List<Map<String, Object>> files, ZipOutputStream outputStream, List<Map<String, Object>> name) throws IOException, ServletException {
try {
int size = files.size();
// 压缩列表中的文件
for (int i = 0; i < size; i++) {
File file = (File) files.get(i).get("PATH");
String qbsname = name.get(i).get("name").toString();
String fspx = name.get(i).get("fspx").toString();
String fszh = name.get(i).get("fszh").toString();
zipFiles(file, outputStream, qbsname,fspx,fszh);
}
} catch (IOException e) {
throw e;
}
}
public static void zipFiles(File inputFile, ZipOutputStream outputstream, String qbsname,String fspx,String fszh) throws IOException, ServletException {
try {
if (inputFile.exists()) {
if (inputFile.isFile()) {
FileInputStream inStream = new FileInputStream(inputFile);
BufferedInputStream bInStream = new BufferedInputStream(inStream);
ZipEntry entrys = new ZipEntry(inputFile.getName());
String entry1 = entrys.toString();
entry1 = StringUtils.substringAfter(entry1,".");
String pathname = qbsname+"_"+fszh+"_("+ fspx+ ")."+entry1;
ZipEntry entry = new ZipEntry(pathname);
outputstream.putNextEntry(entry);
final int MAX_BYTE = 10 * 1024 * 1024; // 最大的流为10M
long streamTotal = 0; // 接受流的容量
int streamNum = 0; // 流需要分开的数量
int leaveByte = 0; // 文件剩下的字符数
byte[] inOutbyte; // byte数组接受文件的数据
streamTotal = bInStream.available(); // 通过available方法取得流的最大字符数
streamNum = (int) Math.floor(streamTotal / MAX_BYTE); // 取得流文件需要分开的数量
leaveByte = (int) streamTotal % MAX_BYTE; // 分开文件之后,剩余的数量
if (streamNum > 0) {
for (int j = 0; j < streamNum; ++j) {
inOutbyte = new byte[MAX_BYTE];
// 读入流,保存在byte数组
bInStream.read(inOutbyte, 0, MAX_BYTE);
outputstream.write(inOutbyte, 0, MAX_BYTE); // 写出流
}
}
// 写出剩下的流数据
inOutbyte = new byte[leaveByte];
bInStream.read(inOutbyte, 0, leaveByte);
outputstream.write(inOutbyte);
outputstream.closeEntry(); // Closes the current ZIP entry
// and positions the stream for
// writing the next entry
bInStream.close(); // 关闭
inStream.close();
}
} else {
throw new ServletException("文件不存在！");
}
} catch (IOException e) {
throw e;
}
}
public void downloadFiles(File file,HttpServletResponse response,boolean isDelete) {
try {
// 以流的形式下载文件。
BufferedInputStream fis = new BufferedInputStream(new FileInputStream(file.getPath()));
byte[] buffer = new byte[fis.available()];
fis.read(buffer);
fis.close();
// 清空response
OutputStream toClient = new BufferedOutputStream(response.getOutputStream());
response.setContentType("application/octet-stream");
response.setHeader("Content-Disposition", "attachment;filename=" + new String(file.getName().getBytes("UTF-8"),"ISO-8859-1"));
toClient.write(buffer);
toClient.flush();
toClient.close();
if(isDelete)
{
file.delete(); //是否将生成的服务器端文件删除
}
}
catch (IOException ex) {
ex.printStackTrace();
}
}
打包下载word+
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