文件下载

文件下载 @WebServlet(urlPatterns = "/download")public class DownServlet extends HttpServlet {    @Override    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {        // 获取要下载的文件名称        String fileName = req.getParameter("fileName...

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HttpServletResponse和文件下载

1.HttpServletResponse概述 我们在创建Servlet时会覆盖service()方法,或doGet()/doPost(),这些方法都有两个参数,一个为代表请求的request和代表响应response。 service方法中的response的类型是ServletResponse,而doGet/doPost方法的response的类型是HttpServletResponse,HttpServletResponse是ServletResponse的子接口,功能和方法更加强大,今天我们学习HttpServletResponse。 2.resp...

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BookStore销售榜单文档下载

先导入jar包 1.Download.jsp页面 把表单提交到download.do处理器方法 <form id=“Form1” name=“Form1”action=“${pageContext.request.contextPath}/admin/products/download.do”method=“post”> 2.handler处理器方法 @RequestMapping(“/download.do”)public void download(String year,String month, HttpServletResponse response, HttpSession session, HttpServletReque...

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