changed

examples/chapter06/spring-boot-jpa-demo/src/main/java/com/lk/demo/User.java

@@ -15,7 +15,7 @@ public class User {
     @Column(nullable = false)
     private String password;
 
-
+    @Column
     private String email;
 
 

examples/chapter06/spring-boot-jpa-demo/src/main/java/com/lk/demo/UserController.java

@@ -39,9 +39,9 @@ public class UserController {
      *   - List<User> 用户列表，每个User对象包含id, name, age
      */
     @GetMapping("")
-    public List<User> findUsers(@RequestParam("name") String name, @RequestParam int page, @RequestParam int pageSize){
+    public List<User> findUsers(@RequestParam("name") String name, @RequestParam(required=false) Integer page, @RequestParam(required = false) Integer pageSize){
         System.out.println("Got name: " + name+ " page: " + page+ " pageSize: " + pageSize);
-        return userService.queryUsers();
+        return userService.queryUsersContaining(name);
     }
 
     /**

examples/chapter06/spring-boot-jpa-demo/src/main/java/com/lk/demo/UserRepository.java

@@ -1,6 +1,18 @@
 package com.lk.demo;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.List;
 
 public interface UserRepository extends JpaRepository<User, Long> {
+    List<User> findByNameLikeOrderByAgeDesc(String name);
+
+
+    @Query("Select u from User u where u.name like %?1% order by u.age desc")
+    List<User> abcd(String name);
+
+    @Query(value = "Select * from Users u where u.name like %?1% order by u.age desc", nativeQuery = true)
+    List<User> queryUsersByName(String name);
+
 }

examples/chapter06/spring-boot-jpa-demo/src/main/java/com/lk/demo/UserService.java

@@ -15,6 +15,7 @@ public class UserService {
     UserRepository userRepository;
 
     public User getUser(Long id){
+
         return userRepository.findById(id).orElse(null);
     }
 
@@ -23,6 +24,13 @@ public class UserService {
        return userRepository.findAll();
     }
 
+    public List<User> queryUsersContaining(String name){
+
+        userRepository.findByNameLikeOrderByAgeDesc(name);
+        userRepository.abcd(name);
+        return userRepository.queryUsersByName(name);
+    }
+
 
     public User createUser(User user){
         return userRepository.save(user);