工具类
package com.woodare.common.utils.file;
import lombok.extern.slf4j.Slf4j;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
@Slf4j
public class ZipUtils {
private static final int BUFFER_SIZE = 2 * 1024;
public static void toZip(String srcDir, OutputStream out, boolean KeepDirStructure) throws RuntimeException {
long start = System.currentTimeMillis();
ZipOutputStream zos = null;
try {
zos = new ZipOutputStream(out);
File sourceFile = new File(srcDir);
compress(sourceFile, zos, sourceFile.getName(), KeepDirStructure);
long end = System.currentTimeMillis();
log.info("压缩完成,耗时:" + (end - start) +" ms");
} catch (Exception e) {
log.error("文件压缩失败:" + e.getMessage());
throw new RuntimeException("zip error from ZipUtils", e);
} finally {
if (zos != null) {
try {
zos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public static void toZip(List<File> srcFiles, OutputStream out) throws RuntimeException {
long start = System.currentTimeMillis();
ZipOutputStream zos = null;
try {
zos = new ZipOutputStream(out);
for (File srcFile : srcFiles) {
byte[] buf = new byte[BUFFER_SIZE];
zos.putNextEntry(new ZipEntry(srcFile.getName()));
int len;
FileInputStream in = new FileInputStream(srcFile);
while ((len = in.read(buf)) != -1) {
zos.write(buf, 0, len);
}
zos.closeEntry();
in.close();
}
long end = System.currentTimeMillis();
log.info("压缩完成,耗时:" + (end - start) +" ms");
} catch (Exception e) {
log.error("文件压缩失败:" + e.getMessage());
throw new RuntimeException("zip error from ZipUtils", e);
} finally {
if (zos != null) {
try {
zos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
private static void compress(File sourceFile, ZipOutputStream zos, String name, boolean KeepDirStructure)
throws Exception {
byte[] buf = new byte[BUFFER_SIZE];
if (sourceFile.isFile()) {
zos.putNextEntry(new ZipEntry(name));
int len;
FileInputStream in = new FileInputStream(sourceFile);
while ((len = in.read(buf)) != -1) {
zos.write(buf, 0, len);
}
zos.closeEntry();
in.close();
} else {
File[] listFiles = sourceFile.listFiles();
if (listFiles == null || listFiles.length == 0) {
if (KeepDirStructure) {
zos.putNextEntry(new ZipEntry(name + "/"));
zos.closeEntry();
}
} else {
for (File file : listFiles) {
if (KeepDirStructure) {
compress(file, zos, name + "/" + file.getName(), KeepDirStructure);
} else {
compress(file, zos, file.getName(), KeepDirStructure);
}
}
}
}
}
public static void main(String[] args) throws Exception {
FileOutputStream fos1 = new FileOutputStream(new File("D:\\tmp\\mytest01.zip"));
ZipUtils.toZip("D:\\testFile", fos1, true);
}
}
控制层
@Log(title = "文件模板打包", businessType = BusinessType.OTHER)
@GetMapping( "/zipFile")
public void zipFile(HttpServletRequest request, HttpServletResponse response) throws Exception {
String url = WoodareConfig.getUploadPath() + secondaryParentPath;
response.setHeader("content-type", "application/octet-stream");
response.setCharacterEncoding("utf-8");
response.setHeader("Content-disposition",
"attachment;filename=" + new String("文件管理".getBytes("gbk"), "iso8859-1")+".zip");
ZipUtils.toZip(url, response.getOutputStream(), true);
}