m0_50008952的博客

前端调用此接口获取图片： public void getPersonPic(String picName, HttpServletResponse response) throws IOException { ServletOutputStream outputStream = null; try { byte[] bytes = getPic(picName); outputStream = response.getOutputStream(); .

引入GeoLite2-City库的依赖。 <dependency> <groupId>com.maxmind.geoip2</groupId> <artifactId>geoip2</artifactId> <version>2.12.0</version> </dependency> public void test01() throws Exception { .