弹窗

demo/src/main/java/com/example/demo/DemoApplication.java

@@ -3,23 +3,14 @@ package com.example.demo;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.web.servlet.ServletComponentScan;
-import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
-import org.springframework.context.annotation.ComponentScan;
 
 @SpringBootApplication
-//@ServletComponentScan()
+@ServletComponentScan("com.example.demo")
-//@ComponentScan()
 //@MapperScan("com.example.demo.Dao")
-public class DemoApplication extends SpringBootServletInitializer {
+public class DemoApplication {
     public static void main(String[] args) {
         SpringApplication.run(DemoApplication.class, args);
     }
 
-//    @Override
-//    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
-//        // 注意这里要指向原先用main方法执行的Application启动类
-//        return builder.sources(Application.class);
-//    }
-
 }
 

demo/src/main/java/com/example/demo/loginService/SessionFilter.java

@@ -1,53 +1,58 @@
-//package com.example.demo.loginService;
+package com.example.demo.loginService;
-//
+
-//import javax.servlet.*;
+import com.example.demo.bean.User;
-//import javax.servlet.annotation.WebFilter;
+
-//import javax.servlet.http.HttpServletRequest;
+import javax.servlet.*;
-//import javax.servlet.http.HttpServletResponse;
+import javax.servlet.annotation.WebFilter;
-//import javax.servlet.http.HttpSession;
+import javax.servlet.http.HttpServletRequest;
-//import java.io.IOException;
+import javax.servlet.http.HttpServletResponse;
-//@WebFilter(filterName = "sessionFilter",urlPatterns = {"/*"})
+import javax.servlet.http.HttpSession;
-//public class SessionFilter implements Filter {
+import java.io.IOException;
-//    String NO_LOGIN="/Login.html";
+@WebFilter(filterName = "sessionFilter",urlPatterns = {"/*"})
-//    String[] includeUrls=new String[]{"/Login.html","/Register.html"};
+public class SessionFilter implements Filter {
-//    @Override
+    String NO_LOGIN="/Login.html";
-//    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws ServletException,IOException{
+    String[] includeUrls=new String[]{"/Login.html","/Register.html","/login","/Register"};
-//        HttpServletRequest request=(HttpServletRequest) servletRequest;
+    @Override
-//        HttpServletResponse response=(HttpServletResponse) servletResponse;
+    public void doFilter(ServletRequest servletRequest,ServletResponse servletResponse, FilterChain filterChain) throws ServletException,IOException{
-//        HttpSession session=request.getSession(false);
+        HttpServletRequest request=(HttpServletRequest) servletRequest;
-//        String uri=request.getRequestURI();
+        HttpServletResponse response=(HttpServletResponse) servletResponse;
-//        //是否需要过滤
+        HttpSession session=request.getSession(true);
-//        boolean needFilter=isNeedFilter(uri);
+        User user=(User)request.getSession().getAttribute("user");
-//        if(!needFilter){
+        System.out.print(user);
-//            filterChain.doFilter(servletRequest,servletResponse);
+        String uri=request.getRequestURI();
-//        }else{
+        //是否需要过滤
-//            //需要过滤器
+        boolean needFilter=isNeedFilter(uri);
-//            //session中包含user对象，则是登录状态
+        if(!needFilter){
-//            if(session!=null&&session.getAttribute("user")!=null){
+            filterChain.doFilter(servletRequest,servletResponse);
-//                filterChain.doFilter(servletRequest,servletResponse);
+        }else{
-//            }else{
+            //需要过滤器
-//                String requestType=request.getHeader("X-Requested-with");
+            //session中包含user对象，则是登录状态
-//                //判断是否是ajax请求
+            if(session!=null&&user!=null){
-//                if(requestType!=null&&"XMLHttpRequest".equals(requestType)){
+                filterChain.doFilter(servletRequest,servletResponse);
-//                    response.sendRedirect(NO_LOGIN);
+            }else{
-//                }else{
+                String requestType=request.getHeader("X-Requested-with");
-//                    //重定向到登录页(需要在static文件夹下建立此html文件)
+                //判断是否是ajax请求
-//                    response.sendRedirect("/Login.html");
+                if(requestType!=null&&"XMLHttpRequest".equals(requestType)){
-//                }
+                    response.sendRedirect(NO_LOGIN);
-//                return;
+                }else{
-//            }
+                    //重定向到登录页(需要在static文件夹下建立此html文件)
-//        }
+                    response.sendRedirect("/Login.html");
-//
+                }
-//
+                return;
-//    }
+            }
-//    public boolean isNeedFilter(String uri) {
+        }
-//        for (String includeUrl : includeUrls) {
+
-//            if (includeUrl.equals(uri)) {
+
-//                return false;
+
-//            }
+    }
-//        }
+    public boolean isNeedFilter(String uri) {
-//        return true;
+        for (String includeUrl : includeUrls) {
-//    }
+            if (includeUrl.equals(uri)) {
-//
+                return false;
-//
+            }
-//}
+        }
+        return true;
+    }
+
+
+}

demo/src/main/java/com/example/demo/loginService/UserController.java

@@ -46,13 +46,14 @@ public class UserController extends HttpServlet {
     }
 
 
+
+
     @PostMapping("/register")
     public void  handle1(HttpServletRequest request,HttpServletResponse response)throws IOException{
         String userName = request.getParameter("userName");
         String userPwd = request.getParameter("userPwd");
         String userPwd1=request.getParameter("userPwd1");
-        User user=new User();
+        User user = this.userServiceImpl.selectUserByuserName(userName);
-        user = this.userServiceImpl.selectUserByuserName(userName);
         long count = 0;
         int result = 0;
         if(user!=null){
@@ -68,13 +69,12 @@ public class UserController extends HttpServlet {
                 user.setUserPwd(userPwd);
                 user.setRegisterTime(registerTime);
                 user.setUserRight(userRight);
-                //System.out.println(user);
                 this.userServiceImpl.addUser(user);
                 result = 1;
         }else{
                result = 3;
         }
-        if(result==1)response.sendRedirect("login.html");
+        if(result==1)response.sendRedirect("RegisterSuccess.html");
         else if(result==2)response.sendRedirect("userExisted.html");
         else response.sendRedirect("userPwdNotSame.html");
     }

demo/src/main/resources/static/RegisterSuccess.html

@@ -6,6 +6,6 @@
     <meta http-equiv="refresh" content="1;url=Login.html">
 </head>
 <body>
-<script type='text/javascript'>alert("注册成功！');</script>
+<script type='text/javascript'>alert('注册成功，请重新登录！')</script>
 </body>
 </html>