通过action=“”确定要交互的对象
@WebServlet("/SaveUserInfoServlet")
用于定义该servlet的名称,用于接收html页面中的信息;
String tel = request.getParameter("tel"); String address = request.getParameter("addre
ss");
通过“tel”与html中input自定义的name名来分辨接收的信息;
context上下文
ServletContext context = this.getServletContext(); context.setAttribute("tels",tel); context.setAttribute("address",address);
RequestDispatcher调度程序
RequestDispatcher dispatcher = request.getRequestDispatcher("/show"); dispatcher.forward(request, response);
“/show”是要跳转的servlet的名称,执行后跳转到/show的servlet中
然后在名为/show的servlet中:
String tel =(String) getServletContext().getAttribute("tels"); tel = new String(tel.getBytes("iso-8859-1"),"utf-8"); String address =(String) getServletContext().getAttribute("address"); address = new String(address.getBytes("iso-8859-1"),"utf-8");
通过该方法获得上下文context中的信息