Java的工具类，压缩，解压，IP转换（解决中文问题）

 

import java.io.BufferedInputStream; 
import java.io.BufferedOutputStream; 
import java.io.BufferedReader; 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.io.InputStream; 
import java.io.InputStreamReader; 
import java.util.Enumeration; 
 
import org.apache.log4j.Logger; 
import org.apache.tools.zip.ZipEntry; 
import org.apache.tools.zip.ZipFile; 
import org.apache.tools.zip.ZipOutputStream; 
 
import com.captech.lang.ErrorType; 
import com.captech.ws.rs.WebApplicationException; 
 
public class CommonUtils { 
     
    protected static Logger logger = Logger.getLogger(CommonUtils.class); 
     
    public static long getStringIpToLong(String ip) { 
        ip = ip.trim(); 
        String[] ips = ip.split("[.]"); 
        long num = 16777216L * Long.parseLong(ips[0]) + 65536L 
                * Long.parseLong(ips[1]) + 256 * Long.parseLong(ips[2]) 
                + Long.parseLong(ips[3]); 
        return num; 
    } 
     
    public static String longToIP(long longIp) {    
        StringBuffer sb = new StringBuffer("");    
        sb.append(String.valueOf((longIp >>> 24)));    
        sb.append(".");    
        sb.append(String.valueOf((longIp & 0x00FFFFFF) >>> 16));    
        sb.append(".");    
        sb.append(String.valueOf((longIp & 0x0000FFFF) >>> 8));    
        sb.append(".");    
        sb.append(String.valueOf((longIp & 0x000000FF)));    
        return sb.toString();    
    } 
     
    public static File zipFiles (String filePath, String zipname){ 
        FileOutputStream fos=null; 
        ZipOutputStream zipOut=null; 
        File fileList = new File(filePath); 
        if(fileList.exists() && fileList.isDirectory()){ 
            File[] files=fileList.listFiles(); 
            try { 
                 File out = new File(zipname); 
                 if(!out.exists()){ 
                      out.createNewFile(); 
                 } 
                 fos = new FileOutputStream(out);//创建文件输出流（低级流） 
                 zipOut = new ZipOutputStream(fos);//创建zip文件输出流 
                 zipOut.setEncoding("gbk"); 
                 int i = 0; 
                 for (i = 0; i < files.length; i++) { 
                      writeFile(files[i], zipOut, ""); 
                 } 
                 zipOut.close(); 
                 return out; 
             }catch(IOException e){ 
                 throw createAndLogException(ErrorType.FILE_WRITE_ERROR, e); 
             } 
        }else{ 
                 throw createAndLogException(ErrorType.FILE_OPEN_ERROR, new Exception("file Not exist")); 
        } 
    } 
     
    public static void writeFile(File file, ZipOutputStream zipOut, String base){ 
        try { 
            if(file.isDirectory()){ 
                File[] files = file.listFiles(); 
                base = base + file.getName() + File.separator; 
                zipOut.putNextEntry(new ZipEntry(base)); 
                for (int i = 0; i < files.length; i++) { 
                    writeFile(files[i], zipOut, base); 
                } 
            }else{ 
                base = base + file.getName(); 
                BufferedReader in=new BufferedReader(new InputStreamReader(new FileInputStream(file),"ISO8859_1"));   
                ZipEntry ze = new ZipEntry(base); 
                zipOut.putNextEntry(ze); 
                int c = 0; 
                while ((c = in.read()) != -1) { 
                    zipOut.write(c); 
                } 
                in.close(); 
            } 
        } catch(Exception e){ 
             throw createAndLogException(ErrorType.FILE_WRITE_ERROR, e); 
        } 
    } 
   
  //删除文件夹的接口 
    public static boolean deleteDirectory(File file){ 
        if( file.exists() ) {    
              File[] files = file.listFiles();    
              for(int i=0; i<files.length; i++) {    
                 if(files[i].isDirectory()) {    
                   deleteDirectory(files[i]);    
                 }    
                 else {    
                   files[i].delete();    
                 }    
           }    
        }    
        return( file.delete()); 
    } 
   
  //复制文件的接口 
    public  static void copyFile(File sourceFile,File targetFile) {  
      // 新建文件输入流并对它进行缓冲  
      try { 
            if(!targetFile.getParentFile().exists()){ 
                targetFile.getParentFile().mkdir(); 
            } 
            if(!targetFile.exists()){ 
                targetFile.createNewFile(); 
            } 
                FileInputStream input = new FileInputStream(sourceFile);  
                BufferedInputStream inBuff=new BufferedInputStream(input);  
     
                // 新建文件输出流并对它进行缓冲  
                FileOutputStream output = new FileOutputStream(targetFile);  
                BufferedOutputStream outBuff=new BufferedOutputStream(output);  
                  
                // 缓冲数组  
                byte[] b = new byte[1024 * 5];  
                int len;  
                while ((len =inBuff.read(b)) != -1) {  
                    outBuff.write(b, 0, len);  
                }  
                // 刷新此缓冲的输出流  
                outBuff.flush();  
                  
                //关闭流  
                inBuff.close();  
                outBuff.close();  
                output.close();  
                input.close(); 
            } catch (Exception e) { 
                throw createAndLogException(ErrorType.FILE_WRITE_ERROR, e); 
        }  
    } 
     
    @SuppressWarnings("unchecked") 
    public static void unzipFile(String unzipfile, String outputDirectory){ 
        try { 
            ZipFile zipFile = new ZipFile(unzipfile,"GBK"); 
            ZipEntry entry; 
            // 创建文件夹 
            Enumeration<ZipEntry> e = zipFile.getEntries(); 
            while (e.hasMoreElements()) { 
                entry = e.nextElement(); 
                String name = entry.getName(); 
                if (!name.endsWith(File.separator)) { 
                    File f = new File(outputDirectory + File.separator + entry.getName()); 
                    if (!f.getParentFile().exists()) { 
                        f.getParentFile().mkdirs(); 
                    } 
                    InputStream in = zipFile.getInputStream(entry); 
                    FileOutputStream out = new FileOutputStream(f); 
                    int c; 
                    byte[] by = new byte[1024]; 
                    while ((c = in.read(by)) != -1) { 
                        out.write(by, 0, c); 
                    } 
                    out.close(); 
                    in.close(); 
                } 
            } 
            zipFile.close(); 
        } catch (IOException e) { 
            createAndLogException(ErrorType.FILE_OPEN_ERROR, new Throwable("unzip file error")); 
        } 
    } 
用的apache 的ant工具类解决中文问题

maven依赖的配置：
<dependency>       <groupId>org.apache.ant</groupId>       <artifactId>ant</artifactId>       <version>1.7.0</version> </dependency>