1 public void doPost(HttpServletRequest request, HttpServletResponse response)
2 throws ServletException, IOException {
3
4 try{
5 request.setCharacterEncoding("Utf-8");
6 response.setCharacterEncoding("utf-8");
7 response.setContentType("text/html");
8 PrintWriter out = response.getWriter();
9
10 String nstr = request.getParameter("name");
11 String pstr = request.getParameter("pwd");
12
13 /*********开始反射机制***********************************************************************************/
14 //1. 根据包创建类
15 Class<?> c = Class.forName("entity.User");
16 //2. 根据类创建对象
17 User obj = (User) c.newInstance();
18 //3. 找到该对象的所有方法
19 Method[] methods = obj.getClass().getDeclaredMethods();
20
21 //4. 创建StringBuffer对象将 对象属性封装成 Jeson格式
22 StringBuffer sb = new StringBuffer();
23 sb.append("{");
24 for( Method method : methods) {
25 if( method.getName().startsWith("get")) {
26 Object o = method.invoke(obj);
27 sb.append(" \" "+method.getName().replaceAll("get", "")+" \" ");
28 sb.append(":");
29 sb.append(" \" "+o+" \" ");
30 sb.append(",");
31 }
32
33 }
34 sb.deleteCharAt(sb.length()-1);
35 sb.append("}");
36
37 //5. 判断方法，进行操作为属性赋值
38 for( Method method : methods ) {
39 if( method.getName().equals("setName")) {
40 method.invoke(obj, nstr);
41 }
42 if( method.getName().equals("setPwd")) {
43 method.invoke(obj, pstr);
44 }
45 }
46 /*******************以上反射部分到此结束***********下边是正常的业务交互**************************************/
47 //6. 与service层进行业务
48 IUserService service = new UserServiceImpl();
49 int result = service.returnRegisterResult(obj);
50 if( result ==1 ){
51 request.getRequestDispatcher("page/LoginSuccess.jsp").forward(request, response);
52 } else {
53 out.println("<script>");
54 out.println("alert('用户名或密码错误！');");
55 out.println("location='" + request.getContextPath() + "/page/Register.jsp'");
56 out.println("</script>");
57 }
58 }catch(Exception e){
59 e.printStackTrace();
60 }
61 }
