使用ant自带的org.apache.tools.zip包来压缩zip文件,重点:中文路径文件名问题

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首先下载ant,在lib目录下找到ant.jar文件,org.apache.tools.zip就在ant.jar里面。

注意:不要导入java.util.zip,这个包存在中文BUG,会导致压缩失败。

下载是代码:

package bean;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import org.apache.tools.zip.*;

public class ZipCompress {

public void zip(String inputFile, String zipFileName) {
zip(new File(inputFile), zipFileName); // inputFile为要压缩的文件名称,zipFileName为压缩后的文件名称
}


public void zip(File inputFile, String zipFileName) {
try {
ZipOutputStream zOut = new ZipOutputStream(new FileOutputStream(
new String(zipFileName)));
zOut.setEncoding("gb2312"); // 这句很重要,可以解决如果文件名称是中文时,rar无法处理的问题
// System.out.println("压缩-->开始");
zip(zOut, inputFile, "");
// System.out.println("压缩-->结束");
zOut.close();
} catch (Exception e) {
e.printStackTrace();
}
}

public void zip(ZipOutputStream zOut, File file, String base) {
try {
// System.out.println("正在压缩-->" + file.getName());
if (file.isDirectory()) {
File[] listFiles = file.listFiles();
zOut.putNextEntry(new ZipEntry(base + "/"));
base = base.length() == 0 ? "" : base + "/";
for (int i = 0; i < listFiles.length; i++) {
zip(zOut, listFiles[i], base + listFiles[i].getName());
// System.out.println(new String(listFiles[i].getName().getBytes("gb2312")));
}
} else {
if (base == "") {
base = file.getName();
}
zOut.putNextEntry(new ZipEntry(base));
// System.out.println(file.getPath() + "," + base);
FileInputStream in = new FileInputStream(file);
int len;
while ((len = in.read()) != -1)
zOut.write(len);
in.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
private void createDirectory(String directory, String subDirectory) {
String dir[];
File fl = new File(directory);
try {
if (subDirectory == "" && fl.exists() != true)
fl.mkdir();
else if (subDirectory != "") {
dir = subDirectory.replace('//', '/').split("/");
for (int i = 0; i < dir.length; i++) {
File subFile = new File(directory + File.separator + dir[i]);
if (subFile.exists() == false)
subFile.mkdir();
directory += File.separator + dir[i];
}
}
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
}
public void unZip(String zipFileName, String outputDirectory) {
try {
ZipFile zipFile = new ZipFile(zipFileName);
java.util.Enumeration e = zipFile.getEntries();
ZipEntry zipEntry = null;
createDirectory(outputDirectory, "");
while (e.hasMoreElements()) {
zipEntry = (ZipEntry) e.nextElement();
System.out.println("正在解压: " + zipEntry.getName());
String name = null;
if (zipEntry.isDirectory()) {
name = zipEntry.getName();
name = name.substring(0, name.length() - 1);
File f = new File(outputDirectory + File.separator + name);
f.mkdir();
System.out.println("创建目录:" + outputDirectory + File.separator + name);
} else {
String fileName = zipEntry.getName();
fileName = fileName.replace('//', '/');
// System.out.println("测试文件1:" +fileName);
if (fileName.indexOf("/") != -1) {
createDirectory(outputDirectory, fileName.substring(0, fileName.lastIndexOf
("/")));
fileName = fileName.substring(
fileName.lastIndexOf("/") + 1, fileName.length());
}
File f = new File(outputDirectory + File.separator + zipEntry.getName());
f.createNewFile();
InputStream in = zipFile.getInputStream(zipEntry);
FileOutputStream out = new FileOutputStream(f);
byte[] by = new byte[1024];
int c;
while ((c = in.read(by)) != -1) {
out.write(by, 0, c);
}
out.close();
in.close();
}
}
// 删除文件不能在这里删,因为文件正在使用,应在上传那处删
// 解压后,删除压缩文件
// File zipFileToDel = new File(zipFileName);
// zipFileToDel.delete();
// System.out.println("正在删除文件:"+ zipFileToDel.getCanonicalPath());
// //删除解压后的那一层目录
// delALayerDir(zipFileName, outputDirectory);
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
}
}

注意上面红色部分的代码,如果没有那句,压缩时如果有中文的文件当用RAR查看的时候查看不到中文的文件,当然解压的时候就会报错,说是文件路径不存在,但是实际上文件已经在里面了,不信你可以用7Zip这个软件查看,可以查看到中文的文件,但是RAR 看不到 囧 ,加上后就可以正常查看和解压了

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