Source/plt-web/plt-web-parent/plt-web-base/src/main/java/com/vci/starter/web/util/ControllerUtil.java

@@ -204,6 +204,7 @@
        }
        response.setContentType(contentType);
        response.setCharacterEncoding("UTF-8");
        //错误时也需要这个参数
        Cookie cookie = new Cookie("fileDownload", "true");
        cookie.setPath("/");
        response.addCookie(cookie);
@@ -217,6 +218,35 @@
            throw e;
        }
    }

    /**
     * 将错误的信息输入流写入到返回流中
     * @param response  响应对象
     * @param data 数据的信息
     * @throws IOException 拷贝出错的时候会抛出异常
     */
    public static void writeDataToResponse(HttpServletResponse response,String fileName,byte[] data,String contentType) throws IOException {
        if (StringUtils.isBlank(contentType)) {
            contentType = "application/force-download";
        }
        response.setContentType(contentType);
        response.setCharacterEncoding("UTF-8");
        //错误时也需要这个参数
        response.addHeader("Content-Disposition", "attachment; filename="+ fileName+ ";filename*=utf-8''" + fileName);
        Cookie cookie = new Cookie("fileDownload", "true");
        cookie.setPath("/");
        response.addCookie(cookie);
        try {
            response.getOutputStream().write(data);
        } catch (IOException e) {
            //有可能客户端的链接
            if (logger.isErrorEnabled()) {
                logger.error("写入文件到响应流出错", e);
            }
            throw e;
        }
    }

    /**
     * 将环境变量中的某个文件写到返回流中
     * @param response 响应对象