java解压缩一个压缩文件中包含多个文件的情况

Z时代
2024-01-10
分类：综合

java

 1
11 package com.testFile.test;
12 
13 import java.io.File;
14 import java.io.FileInputStream;
15 import java.io.FileOutputStream;
16 import java.io.IOException;
17 import java.io.InputStream;
18 import java.io.OutputStream;
19 import java.util.zip.ZipEntry;
20 import java.util.zip.ZipFile;
21 import java.util.zip.ZipInputStream;
22 
23 /**
24  * 〈一句话功能简述〉<br>
25  * 〈功能详细描述〉
26  * 
27  * @author Pasier
28  * @see [相关类/方法]（可选）
29  * @since [产品/模块版本] （可选）
30  */
31 public class ZipFileDemo3 {
32     public static void main(String[] args) throws IOException {
33         // 要被压缩的文件夹
34         String zipFileName = "D:" + File.separator + "javaIo" + File.separator + "hello.zip";
35         // 被解压到的目标文件夹
36         String newFileName = "D:" + File.separator + "javaIo" + File.separator + "decZip";
37         File file = new File(zipFileName);
38         File outFile = null;
39         ZipFile zipFile = new ZipFile(file);
40         ZipInputStream zipInput = new ZipInputStream(new FileInputStream(file));
41         ZipEntry entry = null;
42         InputStream input = null;
43         OutputStream output = null;
44         while ((entry = zipInput.getNextEntry()) != null) {
45             System.out.println("解压缩" + entry.getName() + "文件");
46             outFile = new File(newFileName + entry.getName());
47             if (!outFile.getParentFile().exists()) {
48                 outFile.getParentFile().mkdir();
49             }
50             if (!outFile.exists()) {
51                 outFile.createNewFile();
52             }
53             input = zipFile.getInputStream(entry);
54             output = new FileOutputStream(outFile);
55             int temp = 0;
56             while ((temp = input.read()) != -1) {
57                 output.write(temp);
58             }
59             input.close();
60             output.close();
61         }
62     }
63 
64 }