SpringBoot controller接收txt文本文件实现方式

@PostMapping("/uploadFile")
public String handleFileUpload(@RequestParam("file") MultipartFile file) {
    try {
        // 打印文件名
        System.out.println("Received file: " + file.getOriginalFilename());

        // 读取文件内容并打印
        String content = new String(file.getBytes());
        System.out.println("File content: " + content);

        // 返回成功提示
        return "File upload success!";
    } catch (IOException e) {
        e.printStackTrace();
        // 返回失败提示
        return "File upload failed!";
    }
}

 @PostMapping("/uploadFile")
    public String handleFileUpload(@RequestParam("file") MultipartFile file) {
        try {
            // 打印文件名
            System.out.println("Received file: " + file.getOriginalFilename());

            InputStreamReader isr = new InputStreamReader(file.getInputStream());
            BufferedReader br = new BufferedReader(isr);
            String str = null;
            while ((str = br.readLine()) != null){
                System.out.println(str);
            }
            System.out.println("----------------------------------------------");
            // 读取文件内容并打印
            String content = new String(file.getBytes());
            System.out.println("File content: " + content);

            // 返回成功提示
            return "File upload success!";
        } catch (IOException e) {
            e.printStackTrace();
            // 返回失败提示
            return "File upload failed!";
        }
    }