java压缩文件目录

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class UtilsZip {

/**
*
* @param inputFileName源文件目录
* @param zipFileName压缩后的包目录
* @throws Exception
*/
public void compress(String inputFileName, String zipFileName)
throws Exception {
zip(zipFileName, new File(inputFileName));
}

private void zip(String zipFileName, File inputFile) throws Exception {
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
zipFileName));
zip(out, inputFile, "");
out.close();
}

private void zip(ZipOutputStream out, File f, String base) throws Exception {
if (f.isDirectory()) { // 判断是否为目录
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 { // 压缩目录中的所有文件
out.putNextEntry(new ZipEntry(base));
FileInputStream in = new FileInputStream(f);
int b;
while ((b = in.read()) != -1) {
out.write(b);
}
in.close();
}
}

/**
* 校验本地文件路径是否合法
* @param pathstr
* @return
*/
public static boolean filePathPreProc(String pathstr){
pathstr=pathstr.replaceAll("\\\\", "/").trim();
java.util.regex.Pattern p=java.util.regex.Pattern.compile("(^\\.|^/|^[a-zA-Z])?:?/.+(/$)?");
java.util.regex.Matcher m=p.matcher(pathstr);
//不符合要求直接返回
if(!m.matches()){
return false;
}
return true;
}