如何使用 Spring Boot 3.3 和 JdbcTemplate 操作 MySQL 数据库

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-j</artifactId>
    <scope>runtime</scope>
</dependency>

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/your_database?useSSL=false&serverTimezone=UTC
    username: your_username
    password: your_password
    driver-class-name: com.mysql.cj.jdbc.Driver

public class User {
    private Long id;
    private String name;
    private String email;
    // Getters and Setters
    public Long getId() {
        return id;
    }
    public void setId(Long id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public class UserDao {
    @Autowired
    private JdbcTemplate jdbcTemplate;
    public User findUserById(Long id) {
        String sql = "SELECT * FROM users WHERE id = ?";
        return jdbcTemplate.queryForObject(sql, new Object[]{id}, new UserRowMapper());
    }
    public List<User> findAllUsers() {
        String sql = "SELECT * FROM users";
        return jdbcTemplate.query(sql, new UserRowMapper());
    }
    public int insertUser(User user) {
        String sql = "INSERT INTO users (name, email) VALUES (?, ?)";
        return jdbcTemplate.update(sql, user.getName(), user.getEmail());
    }
    public int updateUser(User user) {
        String sql = "UPDATE users SET name = ?, email = ? WHERE id = ?";
        return jdbcTemplate.update(sql, user.getName(), user.getEmail(), user.getId());
    }
    public int deleteUser(Long id) {
        String sql = "DELETE FROM users WHERE id = ?";
        return jdbcTemplate.update(sql, id);
    }
}

import org.springframework.jdbc.core.RowMapper;
import java.sql.ResultSet;
import java.sql.SQLException;
public class UserRowMapper implements RowMapper<User> {
    @Override
    public User mapRow(ResultSet rs, int rowNum) throws SQLException {
        User user = new User();
        user.setId(rs.getLong("id"));
        user.setName(rs.getString("name"));
        user.setEmail(rs.getString("email"));
        return user;
    }
}