<!-- security依賴包 （加密） -->
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-config</artifactId>
</dependency>

package com.zzx;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.annotation.EnableScheduling;
//獲得BCrypt支持
@EnableScheduling
@SpringBootApplication
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }


}

package com.zzx.test;

import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * @date: 2021/11/25/ 14:30
 * @author: ZhengZiXuan
 * @title: 使用BCrypt進(jìn)行密碼加密
 * @description: 引入Security依賴默認(rèn)開(kāi)啟了登錄校驗(yàn)，訪問(wèn)API會(huì)跳轉(zhuǎn)到登錄頁(yè),如果只是需要BCrypt加密功能可以在啟動(dòng)類配置@SpringBootApplication (exclude = { org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration.class })禁用Security相關(guān)功能。
 */
public class BCryptTest {
    public static void main(String[] args) {
        //模擬從前端獲得的密碼
        String password = "123456";
        BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
        String newPassword = bCryptPasswordEncoder.encode(password);
        System.out.println("加密的密碼為: "+newPassword);
        boolean same_password_result = bCryptPasswordEncoder.matches(password,newPassword);
        //返回true
        System.out.println("相同代碼對(duì)比: "+same_password_result);
        boolean other_password_result = bCryptPasswordEncoder.matches("1234456",newPassword);
        //返回false
        System.out.println("其他密碼對(duì)比: " + other_password_result);
    }
}