Java后台

@Controller
public class Test {

    @org.junit.Test
    public void insert() throws Exception {
        InputStream is = new FileInputStream("D:\\photo\\1.jpg");
        String sql = "INSERT INTO BBB (ID, DATA) VALUES (#[ID], #[DATA])";
        SQLParams params = new SQLParams();
        params.addSQLParam("ID", 1, SQLParams.STRING);
        params.addSQLParam("DATA", is, SQLParams.BLOBFILE);

        SQLExecutor.insertBean(sql, params);
    }

    @RequestMapping("/getImage")
    public void select(HttpServletResponse response) {
        try {
            String sql = "SELECT DATA FROM BBB WHERE ID = ?";
            HashMap map = SQLExecutor.queryObject(HashMap.class, sql, 1);
            BLOB blob = (BLOB) map.get("DATA");
            InputStream in = blob.getBinaryStream();
            OutputStream out = response.getOutputStream();
            int length = -1;
            byte[] buffer = new byte[1024];
            while ((length = in.read(buffer)) > 0) {
                out.write(buffer, 0, length);
            }
            out.flush();
            out.close();
            in.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}

使用

<img alt="" src="${path}/getImage.do">