直接從本地拿取圖片給前端顯示，直接給前端流數(shù)據(jù)：

public static void getPhoto(HttpServletResponse response, String imgUrl) throws Exception {
    String path = "你的路徑" + imgUrl；
    File file = new File(path);
    FileInputStream fis;
    fis = new FileInputStream(file);

    long size = file.length();
    byte[] temp = new byte[(int) size];
    fis.read(temp, 0, (int) size);
    fis.close();
    byte[] data = temp;
    response.setContentType("image/png");
    OutputStream out = response.getOutputStream();
    out.write(data);
    out.flush();
    out.close();

}

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