🚀 feat(新增): 文件输入输出读取和写入

service/src/test/java/cn/bunny/FileTest.java

@@ -1,33 +0,0 @@
-package cn.bunny;
-
-import lombok.SneakyThrows;
-
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-
-public class FileTest {
-    @SneakyThrows
-    public static void main(String[] args) {
-        String zipFilePath = "D:\\MyFolder\\文档和软件\\图片.zip";
-        try (FileInputStream fis = new FileInputStream(zipFilePath);
-             ZipInputStream zis = new ZipInputStream(fis)) {
-
-            ZipEntry entry = zis.getNextEntry();
-            while (entry != null) {
-                System.out.println("正在读取: " + entry.getName());
-
-                // 这里可以添加代码来读取entry的内容
-                // 例如，如果entry是一个文件，你可以使用BufferedReader来读取文本文件的内容
-
-                // 读取下一个条目
-                entry = zis.getNextEntry();
-            }
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        // File file = new File("D:\\MyFolder\\文档和软件\\图片.zip");
-        // ZipFile zipFile = new ZipFile(file);
-    }
-}

service/src/test/java/cn/bunny/file/FileTest.java

@@ -0,0 +1,108 @@
+package cn.bunny.file;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.*;
+import java.nio.channels.FileChannel;
+import java.time.Duration;
+import java.time.LocalDateTime;
+
+public class FileTest {
+    /**
+     * * 读取和写入纯文本内容
+     */
+    @Test
+    void paintTextTest() {
+        // 源文件路径
+        String source = "D:\\dir\\source\\plain text.md";
+        // 目标文件路径
+        String target = "D:\\dir\\target\\plain text.md";
+
+        try (
+                // 创建读取和写入流
+                BufferedReader reader = new BufferedReader(new FileReader(source));
+                BufferedWriter writer = new BufferedWriter(new FileWriter(target))
+        ) {
+            // 读取源文件并写入目标文件
+            String line = reader.readLine();
+            while (line != null) {
+                writer.write(line);
+                writer.newLine();
+                line = reader.readLine();
+            }
+        } catch (IOException exception) {
+            System.out.println(exception.getMessage());
+        }
+    }
+
+    /**
+     * * 读取和写入流媒体内容
+     */
+    @Test
+    void streamMediaTest() {
+        // 开始复制时间
+        LocalDateTime start = LocalDateTime.now();
+
+        // 源文件路径
+        String sourcePath = "D:\\dir\\source\\video.ts";
+        // 目标文件路径
+        String targetPath = "D:\\dir\\target\\video.ts";
+
+        try (
+                // 创建FileInputStream来读取源文件
+                FileInputStream reader = new FileInputStream(sourcePath);
+                // 创建BufferedWriter来写入目标文件
+                FileOutputStream writer = new FileOutputStream(targetPath)
+        ) {
+            // 创建缓冲区
+            byte[] buffer = new byte[1024 * 7];
+            int length;
+
+            // 读取源文件并写入目标文件
+            while ((length = reader.read(buffer)) > 0) writer.write(buffer, 0, length);
+
+        } catch (IOException exception) {
+            System.out.println(exception.getMessage());
+        }
+
+        // 计算时间差
+        LocalDateTime end = LocalDateTime.now();
+        Duration duration = Duration.between(start, end);
+        System.out.println("复制耗时: " + duration.toMillis() + " 毫秒");// 复制耗时: 614 毫秒
+    }
+
+    /**
+     * * 使用NIO
+     */
+    @Test
+    void nioStreamMediaTest() {
+        // 开始复制时间
+        LocalDateTime start = LocalDateTime.now();
+
+        // 源文件路径
+        String sourcePath = "D:\\dir\\source\\video.ts";
+        // 目标文件路径
+        String targetPath = "D:\\dir\\target\\video.ts";
+
+        try (
+                FileInputStream inputStream = new FileInputStream(sourcePath);
+                FileOutputStream outputStream = new FileOutputStream(targetPath);
+                FileChannel sourceChannel = inputStream.getChannel();
+                FileChannel targetChannel = outputStream.getChannel()
+        ) {
+            long position = 0;
+            long count = sourceChannel.size();
+
+            while (position < count) {
+                position += sourceChannel.transferTo(position, count - position, targetChannel);
+            }
+        } catch (IOException exception) {
+            System.out.println(exception.getMessage());
+        }
+
+        // 计算时间差
+        LocalDateTime end = LocalDateTime.now();
+        Duration duration = Duration.between(start, end);
+        System.out.println("复制耗时: " + duration.toMillis() + " 毫秒");// 复制耗时: 325 毫秒
+    }
+}

service/src/test/java/cn/bunny/zip/ZipFIleTest.java

@@ -1,4 +1,4 @@
-package cn.bunny;
+package cn.bunny.zip;
 
 import java.io.FileOutputStream;
 import java.io.IOException;

service/src/test/java/cn/bunny/zip/ZipOutFIleTest.java

@@ -1,4 +1,4 @@
-package cn.bunny;
+package cn.bunny.zip;
 
 import java.io.FileOutputStream;
 import java.io.IOException;