java实现zip的打包
作者：互联网
代码如下：
其中部分代码是为了解决文件乱码以及文件名乱码的情况。
package com.oppo.tts;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
public class ZipUtil {
/**
* 默认字节buffer长度;
*/
private static final int BUFFER_SIZE = 2 * 1024;
/**
* 默认字符格式;
*/
private static final String uft8 = "UTF-8";
/**
* 方法1
*
* @param fileName
* @param zipFileName
*/
public static void zip(String fileName, String zipFileName) {
FileOutputStream fos1;
System.err.println("文件路径：" + fileName + "zip文件路径：" + zipFileName);
try {
fos1 = new FileOutputStream(new File(zipFileName));
ZipUtil.toZip(fileName, fos1, true);
} catch (FileNotFoundException e) {
System.err.println("打包文件错误，错误文件路径：" + fileName + ", 错误原因:" + e.toString());
}
}
/**
* 方法2
*
* @param fileNames
* @param zipFileName
*/
public static void zip(String[] fileNames, String zipFileName) {
List<File> fileList = new ArrayList<File>();
FileOutputStream fos2;
try {
fos2 = new FileOutputStream(new File(zipFileName));
for (String filePath : fileNames) {
File file = new File(filePath);
if (file.exists()) {
fileList.add(file);
} else {
System.err.println("文件不存在，The file is not exists.");
}
}
ZipUtil.toZip(fileList, fos2);
} catch (FileNotFoundException e) {
System.err.println("打包文件错误，错误文件路径：" + fileNames.toString() + ", 错误原因:" + e.toString());
}
}
/**
* 压缩成ZIP
*
* @param srcDir 压缩文件夹路径
* @param out 压缩文件输出流
* @param KeepDirStructure 是否保留原来的目录结构,true:保留目录结构;
* false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败)
* @throws RuntimeException 压缩失败会抛出运行时异常
*/
public static void toZip(String srcDir, OutputStream out, boolean KeepDirStructure) throws RuntimeException {
ZipOutputStream zos = null;
try {
zos = new ZipOutputStream(out);
File sourceFile = new File(srcDir);
String fileName = new String(sourceFile.getName().getBytes(uft8), uft8);
if (sourceFile.exists()) {
compress(sourceFile, zos, fileName, KeepDirStructure);
} else {
System.err.println("文件不存在，The file is not exists.");
}
} catch (Exception e) {
throw new RuntimeException("zip error from ZipUtils", e);
} finally {
if (zos != null) {
try {
zos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 压缩成ZIP
*
* @param srcFiles 需要压缩的文件列表
* @param out 压缩文件输出流
* @throws RuntimeException 压缩失败会抛出运行时异常
*/
public static void toZip(List<File> srcFiles, OutputStream out) throws RuntimeException {
ZipOutputStream zos = null;
try {
zos = new ZipOutputStream(out);
for (File srcFile : srcFiles) {
byte[] buf = new byte[BUFFER_SIZE];
String fileName = new String(srcFile.getName().getBytes(uft8), uft8);
zos.putNextEntry(new ZipEntry(fileName));
zos.setEncoding("GBK");
System.err.println("文件：" + fileName);
int len;
FileInputStream in = new FileInputStream(srcFile);
while ((len = in.read(buf)) != -1) {
zos.write(buf, 0, len);
}
zos.closeEntry();
in.close();
}
} catch (Exception e) {
throw new RuntimeException("zip error from ZipUtil", e);
} finally {
if (zos != null) {
try {
zos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 递归压缩方法
*
* @param sourceFile 源文件
* @param zos zip输出流
* @param name 压缩后的名称
* @param KeepDirStructure 是否保留原来的目录结构,true:保留目录结构;
* false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败)
* @throws Exception
*/
private static void compress(File sourceFile, ZipOutputStream zos, String name, boolean KeepDirStructure)
throws Exception {
byte[] buf = new byte[BUFFER_SIZE];
System.err.println("文件：" + name);
zos.setEncoding("GBK");
if (sourceFile.isFile()) {
// 向zip输出流中添加一个zip实体，构造器中name为zip实体的文件的名字
zos.putNextEntry(new ZipEntry(name));
// copy文件到zip输出流中
int len;
FileInputStream in = new FileInputStream(sourceFile);
while ((len = in.read(buf)) != -1) {
zos.write(buf, 0, len);
}
// Complete the entry
zos.closeEntry();
in.close();
} else {
File[] listFiles = sourceFile.listFiles();
if (listFiles == null || listFiles.length == 0) {
// 需要保留原来的文件结构时,需要对空文件夹进行处理
if (KeepDirStructure) {
// 空文件夹的处理
zos.putNextEntry(new ZipEntry(name + "/"));
// 没有文件，不需要文件的copy
zos.closeEntry();
}
} else {
for (File file : listFiles) {
// 判断是否需要保留原来的文件结构
if (KeepDirStructure) {
// 注意：file.getName()前面需要带上父文件夹的名字加一斜杠,
String fileName = new String(file.getName().getBytes(uft8), uft8);
compress(file, zos, name + "/" + fileName, KeepDirStructure);
} else {
String fileName = new String(file.getName().getBytes(uft8), uft8);
compress(file, zos, fileName, KeepDirStructure);
}
}
}
}
}
public static void main(String[] args) throws Exception {
/** 测试压缩方法1 */
ZipUtil.zip("D:/测试/", "D:/mytest01测试.zip");
String[] paths = new String[] { "D:\\测试\\123\\编制导入CI-本组织编制数（BP）.xlsm", "D:\\测试\\log\\tesT2.txt",
"D:\\test\\test3.txt", "D:\\test\\test4.txt", "D:\\xcode_error.log", "D:\\test\\test5.txt" };
// ZipUtil.zip(paths, "D:/mytest01测试.zip");
}
}
标签：java,String,zip,param,fileName,zos,new,打包 来源： https://blog.csdn.net/fly_sky_007/article/details/121473500