获取图标

pom.xml

@@ -20,6 +20,12 @@
     </properties>
     <dependencies>
         <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
+        <dependency>
+            <groupId>net.coobird</groupId>
+            <artifactId>thumbnailator</artifactId>
+            <version>0.4.14</version>
+        </dependency>
+
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>

src/main/java/com/kexun/controller/FileUploadController.java

@@ -1,4 +1,6 @@
 package com.kexun.controller;
+
+import net.coobird.thumbnailator.Thumbnails;
 import org.springframework.core.io.FileSystemResource;
 import com.alibaba.fastjson.JSONObject;
 import com.kexun.entity.ModelEntity;
@@ -8,6 +10,8 @@ import org.springframework.core.io.UrlResource;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 
+import java.awt.*;
+import java.awt.image.BufferedImage;
 import java.io.*;
 import java.net.URLEncoder;
 import java.nio.file.Path;
@@ -36,8 +40,11 @@ import org.springframework.util.FileCopyUtils;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.imageio.ImageIO;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import javax.swing.*;
+import javax.swing.filechooser.FileSystemView;
 
 /**
  * @Author zhangming
@@ -69,18 +76,17 @@ public class FileUploadController {
 
     @GetMapping("/download/{filename}")
     public Result downloadFile(@PathVariable("filename") String filename, SysUser sysUser) throws IOException {
-        String filePath = fileuploadPath +sysUser.getUserName()+'/'+ filename; // 设置文件路径
+        String filePath = fileuploadPath + sysUser.getUserName() + '/' + filename; // 设置文件路径
         File file = new File(filePath);
 
 
-        if(file.exists()) {
+        if (file.exists()) {
             byte[] fileContent = Files.readAllBytes(file.toPath());
             String base64 = Base64.getEncoder().encodeToString(fileContent);
             JSONObject resJson = new JSONObject();
             resJson.put("file", base64);
             return Result.success("ok", resJson);
-        }
-        else{
+        } else {
             return Result.error("文件不存在!");
         }
 
@@ -133,7 +139,7 @@ public class FileUploadController {
         modelEntity.setFilePath(filePath);
         userModelService.updateById(modelEntity);
 
-        JSONObject resJson=new JSONObject();
+        JSONObject resJson = new JSONObject();
         resJson.put("file_path", filePath);
 
         return Result.success("ok", resJson);
@@ -143,7 +149,7 @@ public class FileUploadController {
     @PostMapping("/fileupload")
     @ResponseBody
     public Result upload2(@RequestParam Integer index, @RequestParam MultipartFile chunk, @RequestParam String name, @RequestParam Integer chunksLength, @RequestParam String uid
-            , @RequestParam String model_name, @RequestParam String model_type,@RequestParam String model_no, @RequestParam String output_list, SysUser sysUser
+            , @RequestParam String model_name, @RequestParam String model_type, @RequestParam String model_no, @RequestParam String output_list, SysUser sysUser
     ) throws IOException {
         int type = Integer.parseInt(model_type);
         if (type == 1 || type == 2) {