技术问答java濡備綍瀹炵幇鏂囦欢涓婁紶鍔熻兘 - 扬州沐宇科技

Java鍙互閫氳繃浠ヤ笅姝ラ瀹炵幇鏂囦欢涓婁紶鍔熻兘锛?/p>

鍒涘缓涓€涓狧TML琛ㄥ崟锛屽寘鍚竴涓敤浜庨€夋嫨鏂囦欢鐨?input>鍏冪礌鍜屼竴涓敤浜庢彁浜よ〃鍗曠殑

浠ヤ笅鏄竴涓畝鍗曠殑绀轰緥浠ｇ爜锛?/p>

@WebServlet("/upload")
@MultipartConfig
public class UploadServlet extends HttpServlet {

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // 鑾峰彇涓婁紶鐨勬枃浠?/span>
        Part filePart = request.getPart("file");
        String fileName = filePart.getSubmittedFileName();
        // 鎸囧畾涓婁紶鏂囦欢淇濆瓨鐨勮矾寰?/span>
        String savePath = "C:/uploads/" + fileName;
        
        // 灏嗕笂浼犳枃浠朵繚瀛樺埌鏈嶅姟鍣ㄦ寚瀹氳矾寰?/span>
        try (InputStream inputStream = filePart.getInputStream();
             FileOutputStream outputStream = new FileOutputStream(savePath)) {
            byte[] buffer = new byte[4096];
            int bytesRead;
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                outputStream.write(buffer, 0, bytesRead);
            }
        } catch (IOException ex) {
            // 澶勭悊涓婁紶鏂囦欢淇濆瓨澶辫触鐨勫紓甯?/span>
        }
        
        // 澶勭悊鏂囦欢涓婁紶瀹屾垚鍚庣殑閫昏緫
        response.getWriter().println("鏂囦欢涓婁紶鎴愬姛锛?quot;);
    }
}

鍦ㄤ笂杩扮ず渚嬩腑锛岄€氳繃@WebServlet娉ㄨВ灏哠ervlet鏄犲皠鍒?quot;/upload"璺緞锛屽綋鐢ㄦ埛鎻愪氦鍖呭惈鏂囦欢鐨勮〃鍗曟椂锛岃姹備細琚浆鍙戝埌璇ervlet澶勭悊銆傚湪doPost()鏂规硶涓紝棣栧厛閫氳繃HttpServletRequest鐨刧etPart()鏂规硶鑾峰彇涓婁紶鐨勬枃浠堕儴鍒嗭紝鐒跺悗浣跨敤Part瀵硅薄鐨刧etSubmittedFileName()鏂规硶鑾峰彇涓婁紶鏂囦欢鐨勬枃浠跺悕銆傛帴涓嬫潵锛屽皢涓婁紶鐨勬枃浠朵繚瀛樺埌鏈嶅姟鍣ㄦ寚瀹氳矾寰勶紝鏈€鍚庤繑鍥炰笂浼犳垚鍔熸秷鎭粰鐢ㄦ埛銆?/p>