From 7e25c513e41cad0c5ced0cdd34c7eb9a6814f968 Mon Sep 17 00:00:00 2001
From: wangbing <Wb295490665>
Date: Thu, 19 Mar 2020 16:08:16 +0800
Subject: [PATCH] =?UTF-8?q?1=E3=80=81Zip=E8=A7=A3=E5=8E=8B=E6=89=93?=
 =?UTF-8?q?=E5=8C=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Former-commit-id: d11c0274d05b3fba3448b7f9262180a04fc72a90
---
 .../SpringBoot/java/frame/utils/ZipUtil.java  | 145 ++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 src/main/resources/modules/SpringBoot/java/frame/utils/ZipUtil.java

diff --git a/src/main/resources/modules/SpringBoot/java/frame/utils/ZipUtil.java b/src/main/resources/modules/SpringBoot/java/frame/utils/ZipUtil.java
new file mode 100644
index 00000000..fcdb8dca
--- /dev/null
+++ b/src/main/resources/modules/SpringBoot/java/frame/utils/ZipUtil.java
@@ -0,0 +1,145 @@
+package ${basePackage}.frame.utils;
+
+import java.io.*;
+import java.util.Enumeration;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * ZipUtil - Zip解压打包工具
+ *
+ * @author wangbing
+ * @version 0.0.1
+ * @since 2017-01-01
+ */
+public class ZipUtil {
+
+    /**
+     * 解压文件
+     *
+     * @param zipFile 指定解压Zip文件
+     * @param descDir 指定解压目录
+     */
+    public static void unZip(File zipFile, File descDir) {
+        if (!descDir.exists()) {
+            descDir.mkdirs();
+        }
+        ZipFile zip = null;
+        try {
+            zip = new ZipFile(zipFile);
+            Enumeration<?> entries = zip.entries();
+            while (entries.hasMoreElements()) {
+                ZipEntry entry = (ZipEntry) entries.nextElement();
+                // 如果是文件夹，就创建个文件夹
+                if (entry.isDirectory()) {
+                    File dir = new File(descDir, entry.getName());
+                    dir.mkdirs();
+                } else {
+                    // 如果是文件，就先创建一个文件，然后用io流把内容copy过去
+                    File targetFile = new File(descDir + "/" + entry.getName());
+                    // 保证这个文件的父文件夹必须要存在
+                    if (!targetFile.getParentFile().exists()) {
+                        targetFile.getParentFile().mkdirs();
+                    }
+                    targetFile.createNewFile();
+                    // 将压缩文件内容写入到这个文件中
+                    InputStream is = zip.getInputStream(entry);
+                    FileOutputStream fos = new FileOutputStream(targetFile);
+                    int len;
+                    byte[] buf = new byte[1024];
+                    while ((len = is.read(buf)) != -1) {
+                        fos.write(buf, 0, len);
+                    }
+                    // 关流顺序，先打开的后关闭
+                    fos.close();
+                    is.close();
+                }
+            }
+            System.out.println("解压文件" + zipFile.getAbsolutePath() + "成功");
+        } catch (Exception e) {
+            throw new RuntimeException("unzip error from ZipUtil", e);
+        } finally {
+            if (zip != null) {
+                try {
+                    zip.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    /**
+     * 压缩文件或文件夹
+     *
+     * @param src 指定待压缩目录或文件
+     * @param zip 指定压缩Zip文件
+     */
+    public static void toZip(File src, File zip) {
+        ZipOutputStream zipOutputStream = null;
+        try {
+            if (!src.exists()) {
+                System.err.println("压缩文件或目录不存在");
+                return;
+            }
+
+            if (!zip.exists()) {
+                zip.createNewFile();
+            }
+
+            zipOutputStream = new ZipOutputStream(new FileOutputStream(zip));
+            compress(src, zipOutputStream, null);
+            zipOutputStream.close();
+            System.out.println("压缩文件" + zip.getAbsolutePath() + "成功");
+        } catch (IOException e) {
+            System.err.println("压缩失败");
+            e.printStackTrace();
+        } finally {
+            if (zipOutputStream != null) {
+                try {
+                    zipOutputStream.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    /**
+     * @param sourceFile 待压缩文件或文件夹
+     * @param zos        Zip输出流
+     * @param parentPath 父目录结构
+     * @throws IOException
+     */
+    private static void compress(File sourceFile, ZipOutputStream zos, String parentPath) throws IOException {
+        byte[] buff = new byte[1024];
+
+        if (sourceFile.isDirectory()) {
+            //确保空文件夹也可以压缩进去
+            zos.putNextEntry(new ZipEntry((parentPath != null ? parentPath : "") + sourceFile.getName() + "/"));
+            zos.closeEntry();
+            //循环压缩子文件或文件夹
+            for (File file : sourceFile.listFiles()) {
+                compress(file, zos, (parentPath != null ? parentPath : "") + sourceFile.getName() + "/");
+            }
+        } else {
+            //压缩文件
+            zos.putNextEntry(new ZipEntry((parentPath != null ? parentPath : "") + sourceFile.getName()));
+            int len;
+            FileInputStream in = new FileInputStream(sourceFile);
+            while ((len = in.read(buff)) != -1) {
+                zos.write(buff, 0, len);
+            }
+            zos.closeEntry();
+            in.close();
+        }
+    }
+
+    public static void main(String[] args) {
+        //解压
+        unZip(new File("E:\\AAA.zip"), new File("E:\\AAA"));
+        //压缩
+        toZip(new File("E:\\AAA"), new File("E:\\AAA.zip"));
+    }
+}