diff --git a/homework4/src/main/java/com/msksbr/homework4/entitys/User.java b/homework4/src/main/java/com/msksbr/homework4/entitys/User.java
new file mode 100644
index 0000000..24941de
--- /dev/null
+++ b/homework4/src/main/java/com/msksbr/homework4/entitys/User.java
@@ -0,0 +1,21 @@
+package com.msksbr.homework4.entitys;
+
+public class User {
+
+ private String username;
+ private String password;
+
+ public String getUsername() {
+ return username;
+ }
+ public void setUsername(String username) {
+ this.username = username;
+ }
+
+ public String getPassword() {
+ return password;
+ }
+ public void setPassword(String password) {
+ this.password = password;
+ }
+}
diff --git a/homework4/src/main/java/com/msksbr/homework4/sessions/Login.java b/homework4/src/main/java/com/msksbr/homework4/sessions/Login.java
new file mode 100644
index 0000000..37b2de2
--- /dev/null
+++ b/homework4/src/main/java/com/msksbr/homework4/sessions/Login.java
@@ -0,0 +1,37 @@
+package com.msksbr.homework4.sessions;
+
+import com.msksbr.homework4.entitys.User;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+@WebServlet("/Login")
+
+public class Login extends HttpServlet {
+ public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+ response.setContentType("text/html;charset=UTF-8");
+ String username = request.getParameter("name");
+ String password = request.getParameter("pwd");
+ PrintWriter pw=response.getWriter();
+
+ if("msksbr".equals(username)&&"123456".equals(password)){
+ User user=new User();
+ user.setUsername(username);
+ user.setPassword(password);
+ request.getSession().setAttribute("user",user);
+ // 添加动态上下文路径前缀
+ response.sendRedirect(request.getContextPath() + "/index.jsp");
+ }else {
+ pw.write("用户名或密码错误，请重新登录！");
+ }
+ }
+
+ public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+ doGet(request, response);
+ }
+}
diff --git a/homework4/src/main/java/com/msksbr/homework4/sessions/Logout.java b/homework4/src/main/java/com/msksbr/homework4/sessions/Logout.java
new file mode 100644
index 0000000..4880504
--- /dev/null
+++ b/homework4/src/main/java/com/msksbr/homework4/sessions/Logout.java
@@ -0,0 +1,21 @@
+package com.msksbr.homework4.sessions;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+
+@WebServlet("/Logout")
+
+public class Logout extends HttpServlet {
+ public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+ request.getSession().removeAttribute("user");
+ response.sendRedirect(request.getContextPath()+"/login.jsp");
+ }
+ public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+ doGet(request, response);
+ }
+}
diff --git a/homework4/src/main/webapp/login.jsp b/homework4/src/main/webapp/login.jsp
index c61dba0..bc351ad 100644
--- a/homework4/src/main/webapp/login.jsp
+++ b/homework4/src/main/webapp/login.jsp
@@ -4,6 +4,10 @@
用户登录
-
+