pom.xml
net.lingala.zip4j
zip4j
1.3.2
java代码：
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import net.lingala.zip4j.io.ZipOutputStream;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.util.Zip4jConstants;
/**
* 文件压缩
* @author
*/
public class ZipUtil {
public static void main(String[] args) throws Exception
{
//传递文件
OutputStream out = new FileOutputStream(new File("E:/logs/file"+".zip"));
out = zipByFilePath(out, "123456", new String[][]{
{"info/demo1.txt","E:/info/info1.txt"},
{"info2/demo2.txt","E:/info/info2.txt"}});
out.flush();
out.close();
//传递字符流
out = new FileOutputStream(new File("E:/logs/streamt"+".zip"));
out = zipByFileInput(out, "123456", new Object[][]{{"info/demo1.txt",
new FileInputStream("E:/info/info1.txt")},
{"info2/demo2.txt",new FileInputStream("E:/info/info2.txt")},
{"total.txt",new FileInputStream("E:/info/info2.txt")}});
out.flush();
out.close();
out = new FileOutputStream(new File("E:/logs/fileNoPwd"+".zip"));
out = zipByFilePath(out,new String[][]{
{"info/demo1.txt","E:/info/info1.txt"},
{"info2/demo2.txt","E:/info/info2.txt"}});
out.flush();
out.close();
out = new FileOutputStream(new File("E:/logs/streamtNoPwd"+".zip"));
out = zipByFileInput(out,new Object[][]{{"info/demo1.txt",
new FileInputStream("E:/info/info1.txt")},
{"info2/demo2.txt",new FileInputStream("E:/info/info2.txt")},
{"total.txt",new FileInputStream("E:/info/info2.txt")}});
out.flush();
out.close();
}
/**
* 压缩文件流-加密
* @param out
* @param password
* @param fileAry
* @return
* @throws Exception
*/
public static OutputStream zipByFilePath(OutputStream out,String password,String[][] fileAry) throws Exception
{
Object[][] info = new Object[2][fileAry.length];
for(int index=0,size=fileAry.length;index-1)
{
zipOut.write(btAry,0,byteReadSize);
byteReadSize = fileInput.read(btAry);
}
}
return zipOut;
}
/**
* 压缩文件流
* @param out
* @param password
* @param fileAry {{fileName,InputStream}}
* @return
* @throws Exception
*/
public static OutputStream zipByFileInput(OutputStream out,String password,Object[][] fileAry) throws Exception
{
//压缩的规则设置
ZipParameters parameters = new ZipParameters();
parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
parameters.setSourceExternalStream(true);
parameters.setEncryptFiles(true);
parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_AES);
parameters.setAesKeyStrength(Zip4jConstants.AES_STRENGTH_256);
parameters.setPassword(password);
ZipOutputStream zipOut = new ZipOutputStream(out);
for(int index=0,fileSize=fileAry.length;index-1)
{
zipOut.write(btAry,0,byteReadSize);
byteReadSize = fileInput.read(btAry);
}
zipOut.closeEntry();
fileInput.close();
}
/**
* 压缩流中放入文件
* @param zipOut
* @param parameters
* @param fileInput
* @throws Exception
*/
public static void addToZipOut(ZipOutputStream zipOut,ZipParameters parameters,byte[] btAry) throws Exception
{
zipOut.write(btAry);
zipOut.closeEntry();
}
}
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