需要用到ant.jar(这里使用的是ant-1.6.5.jar)
1 import java.io.File; 2 import java.io.FileInputStream; 3 import java.io.FileNotFoundException; 4 import java.io.FileOutputStream; 5 import java.io.IOException; 6 import java.io.InputStream; 7 import java.io.OutputStream; 8 import java.util.ArrayList; 9 import java.util.Enumeration; 10 import java.util.List; 11 12 import org.apache.tools.zip.ZipEntry; 13 import org.apache.tools.zip.ZipFile; 14 import org.apache.tools.zip.ZipOutputStream; 15 16 17 /** 18 * 压缩或解压zip: 19 * 由于直接使用java.util.zip工具包下的类,会出现中文乱码问题,所以使用ant.jar中的org.apache.tools.zip下的工具类 20 * @author Administrator 21 */ 22 23 public class ZipUtil { 24 private static byte[] _byte = new byte[1024] ; 25 /** 26 * 压缩文件或路径 27 * @param zip 压缩的目的地址 28 * @param srcFiles 压缩的源文件 29 */ 30 public static void zipFile( String zip , List<File> srcFiles ){ 31 try { 32 if( zip.endsWith(".zip") || zip.endsWith(".ZIP") ){ 33 ZipOutputStream _zipOut = new ZipOutputStream(new FileOutputStream(new File(zip))) ; 34 _zipOut.setEncoding("GBK"); 35 for( File _f : srcFiles ){ 36 handlerFile(zip , _zipOut , _f , ""); 37 } 38 _zipOut.close(); 39 }else{ 40 System.out.println("target file[" + zip + "] is not .zip type file"); 41 } 42 } catch (FileNotFoundException e) { 43 } catch (IOException e) { 44 } 45 } 46 47 /** 48 * 49 * @param zip 压缩的目的地址 50 * @param zipOut 51 * @param srcFile 被压缩的文件信息 52 * @param path 在zip中的相对路径 53 * @throws IOException 54 */ 55 private static void handlerFile(String zip , ZipOutputStream zipOut , File srcFile , String path ) throws IOException{ 56 System.out.println(" begin to compression file[" + srcFile.getName() + "]"); 57 if( !"".equals(path) && ! path.endsWith(File.separator)){ 58 path += File.separator ; 59 } 60 if( ! srcFile.getPath().equals(zip) ){ 61 if( srcFile.isDirectory() ){ 62 File[] _files = srcFile.listFiles() ; 63 if( _files.length == 0 ){ 64 zipOut.putNextEntry(new ZipEntry( path + srcFile.getName() + File.separator)); 65 zipOut.closeEntry(); 66 }else{ 67 for( File _f : _files ){ 68 handlerFile( zip ,zipOut , _f , path + srcFile.getName() ); 69 } 70 } 71 }else{ 72 InputStream _in = new FileInputStream(srcFile) ; 73 zipOut.putNextEntry(new ZipEntry(path + srcFile.getName())); 74 int len = 0 ; 75 while( (len = _in.read(_byte)) > 0 ){ 76 zipOut.write(_byte, 0, len); 77 } 78 _in.close(); 79 zipOut.closeEntry(); 80 } 81 } 82 } 83 84 /** 85 * 解压缩ZIP文件,将ZIP文件里的内容解压到targetDIR目录下 86 * @param zipName 待解压缩的ZIP文件名 87 * @param targetBaseDirName 目标目录 88 */ 89 public static List<File> upzipFile(String zipPath, String descDir) { 90 return upzipFile( new File(zipPath) , descDir ) ; 91 } 92 93 /** 94 * 对.zip文件进行解压缩 95 * @param zipFile 解压缩文件 96 * @param descDir 压缩的目标地址,如:D://测试 或 /mnt/d/测试 97 * @return 98 */ 99 @SuppressWarnings("rawtypes") 100 public static List<File> upzipFile(File zipFile, String descDir) { 101 List<File> _list = new ArrayList<File>() ; 102 try { 103 ZipFile _zipFile = new ZipFile(zipFile , "GBK") ; 104 for( Enumeration entries = _zipFile.getEntries() ; entries.hasMoreElements() ; ){ 105 ZipEntry entry = (ZipEntry)entries.nextElement() ; 106 File _file = new File(descDir + File.separator + entry.getName()) ; 107 if( entry.isDirectory() ){ 108 _file.mkdirs() ; 109 }else{ 110 File _parent = _file.getParentFile() ; 111 if( !_parent.exists() ){ 112 _parent.mkdirs() ; 113 } 114 InputStream _in = _zipFile.getInputStream(entry); 115 OutputStream _out = new FileOutputStream(_file) ; 116 int len = 0 ; 117 while( (len = _in.read(_byte)) > 0){ 118 _out.write(_byte, 0, len); 119 } 120 _in.close(); 121 _out.flush(); 122 _out.close(); 123 _list.add(_file) ; 124 } 125 } 126 } catch (IOException e) { 127 } 128 return _list ; 129 } 130 131 /** 132 * 对临时生成的文件夹和文件夹下的文件进行删除 133 */ 134 public static void deletefile(String delpath) { 135 try { 136 File file = new File(delpath); 137 if (!file.isDirectory()) { 138 file.delete(); 139 } else if (file.isDirectory()) { 140 String[] filelist = file.list(); 141 for (int i = 0; i < filelist.length; i++) { 142 File delfile = new File(delpath + File.separator + filelist[i]); 143 if (!delfile.isDirectory()) { 144 delfile.delete(); 145 } else if (delfile.isDirectory()) { 146 deletefile(delpath + File.separator + filelist[i]); 147 } 148 } 149 file.delete(); 150 } 151 } catch (Exception e) { 152 e.printStackTrace(); 153 } 154 } 155 156 public static void main(String[] args) {} 157 158 }
原创文章,作者:Maggie-Hunter,如若转载,请注明出处:https://blog.ytso.com/15783.html