Spring Boot集成BCryptPasswordEncoder实现密码加密与验证的实现方案

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
@Configuration
public class SecurityConfig {
    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
@Service
public class UserService {
    @Autowired
    private PasswordEncoder passwordEncoder;
    // 示例：用户注册时加密密码
    public void registerUser(String username, String rawPassword) {
        // 对原始密码进行加密
        String encryptedPassword = passwordEncoder.encode(rawPassword);
        // 存储加密后的密码到数据库
        System.out.println("存储的密码: " + encryptedPassword);
    }
    // 示例：用户登录时验证密码
    public boolean checkPassword(String rawPassword, String encryptedPassword) {
        // 验证输入的密码是否与存储的加密密码匹配
        return passwordEncoder.matches(rawPassword, encryptedPassword);
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertTrue;
@SpringBootTest
public class PasswordEncoderTest {
    @Autowired
    private PasswordEncoder passwordEncoder;
    @Test
    public void testPasswordEncoder() {
        String rawPassword = "123456";
        String encryptedPassword = passwordEncoder.encode(rawPassword);
        // 验证加密后的密码是否正确
        assertTrue(passwordEncoder.matches(rawPassword, encryptedPassword));
    }
}