springBoot与ElementUI配合上传文件
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
@RestController
public class FileUploadController {
@PostMapping("/upload")
public Map<String, Object> uploadFile(@RequestParam("file") MultipartFile file) {
Map<String, Object> result = new HashMap<>();
if (file.isEmpty()) {
result.put("success", false);
result.put("message", "上传的文件为空");
return result;
}
try {
String filePath = "upload/" + file.getOriginalFilename();
File dest = new File(filePath);
if (!dest.getParentFile().exists()) {
dest.getParentFile().mkdirs();
}
file.transferTo(dest);
result.put("success", true);
result.put("message", "文件上传成功");
} catch (IOException e) {
result.put("success", false);
result.put("message", "文件上传失败：" + e.getMessage());
}
return result;
}
}