文件或是文件夹打包压缩成zip格式的Java代码详解编程语言

import java.io.BufferedInputStream; 
import java.io.DataInputStream; 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileNotFoundException; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.util.zip.ZipEntry; 
import java.util.zip.ZipOutputStream; 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
 
/** 
 *将文件或是文件夹打包压缩成zip格式 
 * @author ysc 
 */ 
public class ZipUtils { 
    private static final Logger log = LoggerFactory.getLogger(ZipUtils.class); 
 
    private ZipUtils(){}; 
   /** 
     * 创建ZIP文件 
     * @param sourcePath 文件或文件夹路径 
     * @param zipPath 生成的zip文件存在路径（包括文件名） 
     */ 
    public static void createZip(String sourcePath, String zipPath) { 
        FileOutputStream fos = null; 
        ZipOutputStream zos = null; 
        try { 
            fos = new FileOutputStream(zipPath); 
            zos = new ZipOutputStream(fos); 
            writeZip(new File(sourcePath), "", zos); 
        } catch (FileNotFoundException e) { 
            log.error("创建ZIP文件失败",e); 
        } finally { 
            try { 
                if (zos != null) { 
                    zos.close(); 
                } 
            } catch (IOException e) { 
                log.error("创建ZIP文件失败",e); 
            } 
 
        } 
    } 
 
    private static void writeZip(File file, String parentPath, ZipOutputStream zos) { 
        if(file.exists()){ 
            if(file.isDirectory()){//处理文件夹 
                parentPath+=file.getName()+File.separator; 
                File [] files=file.listFiles(); 
                for(File f:files){ 
                    writeZip(f, parentPath, zos); 
                } 
            }else{ 
                FileInputStream fis=null; 
                DataInputStream dis=null; 
                try { 
                    fis=new FileInputStream(file); 
                    dis=new DataInputStream(new BufferedInputStream(fis)); 
                    ZipEntry ze = new ZipEntry(parentPath + file.getName()); 
                    zos.putNextEntry(ze); 
                    byte [] content=new byte[1024]; 
                    int len; 
                    while((len=fis.read(content))!=-1){ 
                        zos.write(content,0,len); 
                        zos.flush(); 
                    } 
 
                } catch (FileNotFoundException e) { 
                    log.error("创建ZIP文件失败",e); 
                } catch (IOException e) { 
                    log.error("创建ZIP文件失败",e); 
                }finally{ 
                    try { 
                        if(dis!=null){ 
                            dis.close(); 
                        } 
                    }catch(IOException e){ 
                        log.error("创建ZIP文件失败",e); 
                    } 
                } 
            } 
        } 
    }     
    public static void main(String[] args) { 
        ZipUtils.createZip("E://workspaces//netbeans//APDPlat//APDPlat_Web//target//APDPlat_Web-2.2//platform//temp//backup", "E://workspaces//netbeans//APDPlat//APDPlat_Web//target//APDPlat_Web-2.2//platform//temp//backup.zip"); 
        ZipUtils.createZip("E://workspaces//netbeans//APDPlat//APDPlat_Web//target//APDPlat_Web-2.2//platform//index.jsp", "E://workspaces//netbeans//APDPlat//APDPlat_Web//target//APDPlat_Web-2.2//platform//index.zip"); 
 
    } 
}