| 提交 | 用户 | 时间 | ||
| ce910c | 1 | package com.iailab.module.data.dev.hikvision.utils; |
| H | 2 | |
| 3 | import java.io.*; | |
| 4 | import java.nio.charset.Charset; | |
| 5 | import java.util.Enumeration; | |
| 6 | import java.util.zip.ZipEntry; | |
| 7 | import java.util.zip.ZipFile; | |
| 8 | ||
| 9 | /** | |
| 10 | * @author PanZhibao | |
| 11 | * @Description | |
| 12 | * @createTime 2023年05月25日 15:28:00 | |
| 13 | */ | |
| 14 | public class UnzipUtils { | |
| 15 | /** | |
| 16 | * 解压zip压缩文件到指定目录 | |
| 17 | * | |
| 18 | * @param zipPath zip压缩文件绝对路径 | |
| 19 | * @param descDir 指定的解压目录 | |
| 20 | */ | |
| 21 | public static void unzipFile(String zipPath, String descDir) throws IOException { | |
| 22 | try { | |
| 23 | File zipFile = new File(zipPath); | |
| 24 | if (!zipFile.exists()) { | |
| 25 | throw new IOException("要解压的压缩文件不存在"); | |
| 26 | } | |
| 27 | File pathFile = new File(descDir); | |
| 28 | if (!pathFile.exists()) { | |
| 29 | pathFile.mkdirs(); | |
| 30 | } | |
| 31 | unzipWithStream(zipPath, descDir); | |
| 32 | } catch (Exception e) { | |
| 33 | throw new IOException(e); | |
| 34 | } | |
| 35 | } | |
| 36 | ||
| 37 | /** | |
| 38 | * 解压 | |
| 39 | * | |
| 40 | * @param zipPath | |
| 41 | * @param descDir | |
| 42 | */ | |
| 43 | public static void unzipWithStream(String zipPath, String descDir) { | |
| 44 | try (ZipFile zipFile = new ZipFile(zipPath, Charset.forName("GBK"))) { | |
| 45 | Enumeration e = zipFile.entries(); | |
| 46 | while (e.hasMoreElements()) { | |
| 47 | ZipEntry zipEntry = (ZipEntry)e.nextElement(); | |
| 48 | String zipEntryNameStr = zipEntry.getName(); | |
| 49 | String zipEntryName = zipEntryNameStr; | |
| 50 | /*if (zipEntryNameStr.contains("/")) { | |
| 51 | String str1 = zipEntryNameStr.substring(0, zipEntryNameStr.indexOf("/")); | |
| 52 | zipEntryName = zipEntryNameStr.substring(str1.length() + 1); | |
| 53 | }*/ | |
| 54 | String outPath = (descDir + zipEntryName).replace("\\\\", "/"); | |
| 55 | File outFile = new File(outPath.substring(0, outPath.lastIndexOf('/'))); | |
| 56 | if (!outFile.exists()) { | |
| 57 | outFile.mkdirs(); | |
| 58 | } | |
| 59 | if (new File(outPath).isDirectory()) { | |
| 60 | continue; | |
| 61 | } | |
| 62 | writeFile(outPath, zipFile.getInputStream(zipEntry)); | |
| 63 | } | |
| 64 | System.out.println("======解压成功======="); | |
| 65 | } catch (IOException e) { | |
| 66 | System.out.println("压缩包处理异常，异常信息{}" + e); | |
| 67 | } | |
| 68 | } | |
| 69 | ||
| 70 | /** | |
| 71 | * 将流写到文件中 | |
| 72 | * | |
| 73 | * @param filePath | |
| 74 | * @param zipInputStream | |
| 75 | */ | |
| 76 | public static void writeFile(String filePath, InputStream zipInputStream) throws IOException { | |
| 77 | try (OutputStream outputStream = new FileOutputStream(filePath)) { | |
| 78 | byte[] bytes = new byte[4096]; | |
| 79 | int len; | |
| 80 | while ((len = zipInputStream.read(bytes)) != -1) { | |
| 81 | outputStream.write(bytes, 0, len); | |
| 82 | } | |
| 83 | } catch (IOException ex) { | |
| 84 | System.out.println("解压文件时，写出到文件出错"); | |
| 85 | } finally { | |
| 86 | zipInputStream.close(); | |
| 87 | } | |
| 88 | } | |
| 89 | ||
| 90 | /** | |
| 91 | * 测试方法 | |
| 92 | * | |
| 93 | * @param args | |
| 94 | * @throws IOException | |
| 95 | */ | |
| 96 | public static void test(String[] args) throws IOException { | |
| 97 | ||
| 98 | String zipPath = "D:/test/测试文件.zip"; | |
| 99 | String descDir = "D:/test/解压/"; | |
| 100 | ||
| 101 | unzipFile(zipPath, descDir); | |
| 102 | } | |
| 103 | } | |
