1

13693261870

2023-02-19 5a6e173298a10b22285b67044fa29ab96e22ef22

 src/main/java/com/lf/server/controller/data/WmtsController.java

@@ -101,11 +101,11 @@
            ServletServerHttpResponse ssRes = new ServletServerHttpResponse(res);

            // 检查缓存是否过期
            if (checkIfNotModify(ssReq, ssRes)) {
                // 设置缓存头
                setBrowerCache(ssRes);
                return;
            }
//            if (checkIfNotModify(ssReq, ssRes)) {
//                // 设置缓存头
//                setBrowerCache(ssRes);
//                return;
//            }

            // 设置返回图片类型
            res.setContentType("image/png");
@@ -116,27 +116,28 @@
            // 定义输入流，通过输入流读取文件内容
            FileInputStream fileInputStream;

            // y = (1 << z) - y - 1
            y = (int) Math.pow(2, z) - y - 1;
            String path = config.getTilePath() + File.separator + layer + File.separator + z + File.separator + x + File.separator + y + ".png";

            File file = new File(path);
            if (!file.exists() || file.isDirectory()) {
                ClassPathResource resource = new ClassPathResource("wmts/nofound.png");
                fileInputStream = new FileInputStream(resource.getFile());
            } else {
                System.out.println(path);
                fileInputStream = new FileInputStream(file);
            }

            int len = 0;
            byte[] bytes = new byte[1024];
            while ((len = fileInputStream.read(bytes)) != -1) {
                // 通过输入流读取文件数据，然后通过上述的输出流写回浏览器
                outputStream.write(bytes, 0, len);
                outputStream.flush();
            }

            // 关闭资源
            outputStream.close();
            fileInputStream.close();

        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
        }