ADD file via upload

src/User.java

@@ -0,0 +1,36 @@
+public class User {
+    private String username;      // 用户名
+    private String password;      // 密码
+    private String userType;      //（小学/初中/高中）
+
+    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;
+    }
+    public String getUserType(){
+        return userType;
+    }
+    public void setUserType(String userType){
+        this.userType = userType;
+    }
+
+    public boolean validateCredentials(String inputUsername, String inputPassword) {
+        // 验证用户名和密码是否匹配
+        return this.username.equals(inputUsername) && this.password.equals(inputPassword);
+    }
+
+    public User(String username,String password,String userType){
+        this.username = username;
+        this.password = password;
+        this.userType = userType;
+    }
+}