init

2026-05-24 00:24:56 +08:00
commit 29eb268180
131 changed files with 25500 additions and 0 deletions
--- a/src/main/java/com/example/controller/FileController.java
+++ b/src/main/java/com/example/controller/FileController.java
@@ -0,0 +1,102 @@
+package com.example.controller;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.io.resource.ResourceUtil;
+import cn.hutool.core.lang.Dict;
+import cn.hutool.core.util.StrUtil;
+import com.example.common.Result;
+import org.springframework.util.ResourceUtils;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import jakarta.servlet.http.HttpServletResponse;
+import java.io.FileNotFoundException;
+import java.io.OutputStream;
+import java.net.URLEncoder;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ *  文件上传接口
+ */
+@RestController
+@RequestMapping("/files")
+public class FileController {
+
+    // 文件上传存储路径
+    private static final String filePath = System.getProperty("user.dir") + "/file/";
+    private static final String http = "http://localhost:9090/files/";
+
+    /**
+     * 文件上传
+     */
+    @PostMapping("/upload")
+    public Result upload(MultipartFile file) {
+        synchronized (FileController.class) {
+            String flag = System.currentTimeMillis() + "";
+            String fileName = file.getOriginalFilename();
+            try {
+                if (!FileUtil.isDirectory(filePath)) {
+                    FileUtil.mkdir(filePath);
+                }
+                // 文件存储形式：时间戳-文件名
+                FileUtil.writeBytes(file.getBytes(), filePath + flag + "-" + fileName);
+                System.out.println(fileName + "--上传成功");
+                Thread.sleep(1L);
+            } catch (Exception e) {
+                System.err.println(fileName + "--文件上传失败");
+            }
+            return Result.success(http + flag + "-" + fileName);
+        }
+    }
+
+
+    /**
+     * 获取文件
+     *
+     * @param flag
+     * @param response
+     */
+    @GetMapping("/{flag}")
+    public void avatarPath(@PathVariable String flag, HttpServletResponse response) {
+        if (!FileUtil.isDirectory(filePath)) {
+            FileUtil.mkdir(filePath);
+        }
+        OutputStream os;
+        List<String> fileNames = FileUtil.listFileNames(filePath);
+        String avatar = fileNames.stream().filter(name -> name.contains(flag)).findAny().orElse("");
+        try {
+            if (StrUtil.isNotEmpty(avatar)) {
+                response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(avatar, "UTF-8"));
+                response.setContentType("application/octet-stream");
+                byte[] bytes = FileUtil.readBytes(filePath + avatar);
+                os = response.getOutputStream();
+                os.write(bytes);
+                os.flush();
+                os.close();
+            }
+        } catch (Exception e) {
+            System.out.println("文件下载失败");
+        }
+    }
+
+    /**
+     * 删除文件
+     *
+     * @param flag
+     */
+    @DeleteMapping("/{flag}")
+    public void delFile(@PathVariable String flag) {
+        if (!FileUtil.isDirectory(filePath)) {
+            FileUtil.mkdir(filePath);
+        }
+        List<String> fileNames = FileUtil.listFileNames(filePath);
+        String filename = fileNames.stream().filter(name -> name.contains(flag)).findAny().orElse("");
+        FileUtil.del(filePath + filename);
+        System.out.println("删除文件" + filename + "成功");
+    }
+
+
+}