获取网页表单数据并显示

package Lab4Servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class Lab4 */ @WebServlet("/Lab4") public class Lab4 extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public Lab4() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub response.getWriter().append("Served at: ").append(request.getContextPath()); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub request.setCharacterEncoding("utf-8"); response.setCharacterEncoding("utf-8"); response.setHeader("Content-type","text/html;charset=utf-8"); String number = request.getParameter("number"); String username = request.getParameter("username"); String password = request.getParameter("password"); String sex = request.getParameter("sex"); String branch = request.getParameter("branch"); String[] hobby = request.getParameterValues("hobby"); String instrution = request.getParameter("instruction"); PrintWriter out = response.getWriter(); //out.println("number:"+number); String str = "<ol>"; for(int i=0;i<hobby.length;i++){ if(i<hobby.length - 1) { str +="<li>"+ hobby[i]+ "</li>"; }else { str +="<li>"+ hobby[i]+"</li></ol>"; } } out.println(); out.println("编号："+number+" <hr>用户名："+username+" <hr>密码:"+password+" <hr>性别："+sex+" <hr>部门："+branch+" <hr>兴趣： "+str+" <hr>说明："+instrution); } }