今天項目中用到了將word壓縮成zip文件供用戶下載，特記下以後備用
/** * function:把指定目錄下面的所有文件壓縮成一個ZIP * creator:morris * create date:2009/05/31 * updater: * update date:*/import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;import java.util.zip.ZipOutputStream;public class ZipFile { private String destinationDir = null; // zip file dir private String fileName = null; // zip file name private ZipOutputStream zout; // zip class private ZipInputStream zin; public ZipFile(String temp1,String temp2){ this.destinationDir = temp1; this.fileName=temp2; } public void newZip() throws FileNotFoundException { File temp=new File(this.destinationDir); temp.mkdirs(); zout = new ZipOutputStream( new FileOutputStream( this.destinationDir + "\\" + this.fileName)); } //首先刪除該文件夾下所有文件 public void deleteAllFile(File tempDir) throws Exception { File temp_file[] = null; temp_file = tempDir.listFiles(); for (int i = 0; i < temp_file.length; i++) { if (temp_file[i].isFile()) { temp_file[i].delete(); } } } //壓縮文件夾下面的所有文件為ZIP文件 public void createZipFile(File tempDir) throws Exception { File temp_file[] = null; byte temp[] = new byte[512]; temp_file = tempDir.listFiles(); for (int i = 0; i < temp_file.length; i++) { if (temp_file[i].isFile()) { FileInputStream in = new FileInputStream(temp_file[i]); String temp1=new String(temp_file[i].getAbsolutePath().getBytes("ISO8859-1")); if(!temp1.endsWith("zip")){ ZipEntry zip = new ZipEntry(temp_file[i].getName()); zout.putNextEntry(zip); int len = 0; while ((len = in.read(temp)) != -1) { zout.write(temp, 0, len); } zout.closeEntry(); } }else{ createZipFile(temp_file[i]); } } } public void closeZip() throws Exception{ this.zout.close(); } public void getZipFile(File tempDir){ try{ this.newZip(); this.createZipFile(tempDir); this.closeZip(); }catch(Exception e){ e.printStackTrace(); } } //解壓ZIP文件 public void refreshZipFile() throws Exception{ ZipEntry temp=null; FileOutputStream temp_file=null; byte btemp[]=new byte[256]; zin=new ZipInputStream(new FileInputStream(this.destinationDir + "\\" + this.fileName)); while((temp=zin.getNextEntry())!=null){ File local=new File((new File(temp.getName())).getParent()); local.mkdirs(); temp_file=new FileOutputStream(temp.getName()); while(zin.read(btemp)!=-1){ temp_file.write(btemp); } temp_file.close(); zin.closeEntry(); } zin.close(); }}
