（急）jsp上传压缩文件并到服务器端能自动解压
上传压缩文件我可以实现了，就是不知道怎么让压缩文件在指定的目录（即文件上传到的目录）下解压，请大家帮忙！
有代码最好了，呵呵，在线等。。。。
[解决办法]
1 你会解压缩吗？
2 既然会，那么把上传的文件保存成文件，然后解开不就行了！
[解决办法]
java.unil.zip.ZipFile
解压
[解决办法]
import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;import java.util.zip.ZipOutputStream;public class TestZip { public void zip(String zipFileName, String inputFile) throws Exception { zip(zipFileName, new File(inputFile)); } public void zip(String zipFileName, File inputFile) throws Exception { ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName)); zip(out, inputFile, ""); System.out.println("zip done"); out.close(); } public void unzip(String zipFileName, String outputDirectory) throws Exception { ZipInputStream in = new ZipInputStream(new FileInputStream(zipFileName)); ZipEntry z; while ((z = in.getNextEntry()) != null) { System.out.println("unziping " + z.getName()); if (z.isDirectory()) { String name = z.getName(); name = name.substring(0, name.length() - 1); File f = new File(outputDirectory + File.separator + name); f.mkdir(); System.out.println("mkdir " + outputDirectory + File.separator + name); } else { File f = new File(outputDirectory + File.separator + z.getName()); f.createNewFile(); FileOutputStream out = new FileOutputStream(f); int b; while ((b = in.read()) != -1) out.write(b); out.close(); } } in.close(); } public void zip(ZipOutputStream out, File f, String base) throws Exception { System.out.println("Zipping " + f.getName()); if (f.isDirectory()) { File[] fl = f.listFiles(); out.putNextEntry(new ZipEntry(base + "/")); base = base.length() == 0 ? "" : base + "/"; for (int i = 0; i < fl.length; i++) { zip(out, fl[i], base + fl[i].getName()); } } else { out.putNextEntry(new ZipEntry(base)); FileInputStream in = new FileInputStream(f); int b; while ((b = in.read()) != -1) out.write(b); in.close(); } } public static void main(String[] args) { try { TestZip t = new TestZip(); t.zip("D:/zip.zip", "D:/zip"); t.unzip("D:/zip.zip", "D:/newZip"); } catch (Exception e) { e.printStackTrace(System.out); } }}
[解决办法]
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class ZipToFile {
public static boolean zipToFile(String sZipPathFile, String sDestPath) {
boolean flag = false;
try {
FileInputStream fins = new FileInputStream(sZipPathFile);
ZipInputStream zins = new ZipInputStream(fins);
ZipEntry ze = null;
byte ch[] = new byte[256];
while ((ze = zins.getNextEntry()) != null) {
File zfile = new File(sDestPath + "//" + ze.getName());
File fpath = new File(zfile.getParentFile().getPath());
if (ze.isDirectory()) {
if (!zfile.exists())
zfile.mkdirs();
zins.closeEntry();
} else {
if (!fpath.exists())
fpath.mkdirs();
FileOutputStream fouts = new FileOutputStream(zfile);
int i;
String zfilePath = zfile.getAbsolutePath();
while ((i = zins.read(ch)) != -1)
fouts.write(ch, 0, i);
zins.closeEntry();
fouts.close();
if (zfilePath.endsWith(".zip")) {
zipToFile(zfilePath, zfilePath.substring(0, zfilePath
.lastIndexOf(".zip")));
}
}
}
fins.close();
zins.close();
// if necessary, delete original zip-file
File file = new File(sZipPathFile);
file.delete();
flag = true;
} catch (Exception e) {
System.err.println("Extract error:" + e.getMessage());
}
return flag;
}
public static void main(String[] args) {
String sZipPathFile = "E:\\software\\apache-tomcat-6.0.16\\webapps\\Wochz\\01\\English\\0\\a.zip";
String sDestPath = "E:\\software\\apache-tomcat-6.0.16\\webapps\\Wochz\\01\\English\\0\\";
System.out.println(ZipToFile.zipToFile(sZipPathFile, sDestPath));
}
}
這個能實現上傳並自動解壓，然後刪除那個文件隻留下壓縮文件，有一點那個文件名必須是字母形式
[解决办法]
上传你会了,在上传后边加个解压就OK了.
Java实现压缩与解压缩功能源码