注册逻辑和mapper已完成

注册成功后事件待完成

Signed-off-by: Chenx221 <chenx221@yandex.com>

project2/src/main/java/cyou/chenx221/controller/UserController.java

@@ -15,9 +15,8 @@ public class UserController {
     @Autowired
     private UserMapper userMapper;
 
-    @RequestMapping(path = "/signin", method = {RequestMethod.GET, RequestMethod.POST})
+    @RequestMapping(path = "/signin", method = {RequestMethod.GET, RequestMethod.POST}) //登录
     public String login(@RequestParam("username") String username, @RequestParam("password") String password, Model model) {
-//        System.out.println("hello"); debug
         User user = userMapper.getUserByUsername(username);
 //        System.out.println("username:" + username + " try-password:" + password + " real-password:"+user.getPassword());
         if (user != null && user.getPassword().equals(password)) {
@@ -28,4 +27,61 @@ public class UserController {
             return "login";
         }
     }
+
+    @RequestMapping(path = "/signup", method = {RequestMethod.GET, RequestMethod.POST}) //注册
+    public String register(@RequestParam("username") String username, @RequestParam("password") String password, @RequestParam("re-password") String repassword, Model model) {
+        //debug start
+        System.out.println("username:" + username + " password:" + password + " repassword:" + repassword);
+        //debug end
+        //检查两次输入的密码是否相同
+        if (!password.equals(repassword)) {
+            model.addAttribute("errorMessage", "两次输入的密码不一致，请重新输入。");
+            return "login";
+        }
+        //检查用户名是否已经存在
+        User user = userMapper.getUserByUsername(username);
+        if (user == null) {
+            //检查密码强度(8~32位)，需要有数字和字母，允许大小写英文字母、数字、密码常见符号
+            if (password.length() < 8 || password.length() > 32) {
+                model.addAttribute("errorMessage", "密码长度不符合要求，请重新输入。");
+                return "login";
+            } else {
+                //检查密码是否符合要求
+                boolean hasNumber = false;
+                boolean hasLetter = false;
+                boolean hasinValidChar = false;
+                for (int i = 0; i < password.length(); i++) {
+                    char c = password.charAt(i);
+                    if (c >= '0' && c <= '9') {
+                        hasNumber = true;
+                    } else if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) {
+                        hasLetter = true;
+                    } else if (c == '!' || c == '@' || c == '#' || c == '$' || c == '%' || c == '^' || c == '&' || c == '*' || c == '.') {
+                        int a = 1;//do nothing
+                    } else {
+                        hasinValidChar = true;
+                    }
+                }
+                if (!hasNumber || !hasLetter || hasinValidChar) {
+                    model.addAttribute("errorMessage", "密码不符合要求，请重新输入。");
+                    return "login";
+                }
+                // start to register
+                user = new User(username, password);
+                userMapper.insertUser(user);
+                model.addAttribute("message", "注册成功");
+            }
+        } else {
+            model.addAttribute("errorMessage", "用户已存在，请重新输入。");
+            return "login";
+        }
+
+        if (user != null && user.getPassword().equals(password)) {
+            model.addAttribute("message", "登陆成功");
+            return "redirect:/dashboard"; // 重定向到 dashboard 页面
+        } else {
+            model.addAttribute("errorMessage", "用户名或密码不正确，请重新输入。");
+            return "login";
+        }
+    }
 }

project2/src/main/java/cyou/chenx221/mapper/UserMapper.java

@@ -7,4 +7,5 @@ import org.apache.ibatis.annotations.Mapper;
 public interface UserMapper {
     User getUserByUsername(String username);
 
+    void insertUser(User user);
 }

project2/src/main/java/cyou/chenx221/pojo/User.java

@@ -14,6 +14,11 @@ public class User {
         this.password = password;
     }
 
+    public User(String username, String password) {
+        this.username = username;
+        this.password = password;
+    }
+
     public Integer getId() {
         return id;
     }

project2/src/main/resources/mapper/UserMapper.xml

@@ -8,5 +8,8 @@
         FROM user
         WHERE username = #{username}
     </select>
-
+    <insert id="insertUser" parameterType="cyou.chenx221.pojo.User">
+        INSERT INTO user (username, password)
+        VALUES (#{username}, #{password})
+    </insert>
 </mapper>

project2/web/WEB-INF/views/login.jsp

@@ -124,7 +124,7 @@
                             </div>
                             <div class="tab-pane fade" id="pills-register" role="tabpanel"
                                  aria-labelledby="tab-register">
-                                <form>
+                                <form action="singup" method="post">
                                     <h1 class="text-center mb-4" style="font-family: 'Noto Sans SC Light',serif">
                                         用户注册</h1>
                                     <div class="form-outline mb-4">
@@ -182,6 +182,7 @@
             </div>
         </div>
     </div>
+<%--    todo: Modal2--%>
 </main>
 
 <footer>