add register impl code

examples/chapter07/paopao/src/main/java/com/lk/paopao/controller/AuthController.java

@@ -0,0 +1,30 @@
+package com.lk.paopao.controller;
+
+
+import com.lk.paopao.entity.User;
+import com.lk.paopao.service.AuthService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Map;
+
+@RestController
+@RequestMapping("/v1/auth")
+public class AuthController {
+
+    @Autowired
+    private AuthService authService;
+
+    @PostMapping("/register")
+    public Map<String, Object> register(@RequestBody User req) {
+        User user = authService.register(req);
+
+        Map<String,Object> data = Map.of("username",user.getUsername(),"id",user.getId());
+
+        return Map.of("code","0", "msg","success","data", data);
+
+    }
+}

examples/chapter07/paopao/src/main/java/com/lk/paopao/entity/User.java

@@ -0,0 +1,42 @@
+package com.lk.paopao.entity;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "users")
+public class User {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(unique = true, nullable = false)
+    private String username;
+
+    @Column(nullable = false)
+    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;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+}

examples/chapter07/paopao/src/main/java/com/lk/paopao/repository/UserRepository.java

@@ -0,0 +1,7 @@
+package com.lk.paopao.repository;
+
+import com.lk.paopao.entity.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+}

examples/chapter07/paopao/src/main/java/com/lk/paopao/service/AuthService.java

@@ -0,0 +1,17 @@
+package com.lk.paopao.service;
+
+import com.lk.paopao.entity.User;
+import com.lk.paopao.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AuthService {
+    @Autowired
+    private UserRepository userRepository;
+
+    // 注册
+    public User register(User user){
+        return userRepository.save(user);
+    }
+}