5，阿里云短信和redis部署

admin

阿里云短信：
1，依赖：

<dependency>
  <groupId>com.aliyun</groupId>
  <artifactId>dysmsapi20170525</artifactId>
  <version>4.4.0</version>
</dependency>
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2，引用工具类

3，调用接口发送验证码

Redis部署：
1，redis依赖

 <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
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2，配置文件config/RedisConfig

package com.jinbaozi.common.config;

import jakarta.annotation.Resource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
//不配置也行，但是中午的时候可能会乱码
@Configuration
public class RedisConfig {
    @Resource
    public RedisConnectionFactory connectionFactory;

    @Bean
    public RedisTemplate redisTemplate(){
        RedisTemplate<String, Object> template = new RedisTemplate<>();

        template.setConnectionFactory(connectionFactory);

        template.setKeySerializer(new StringRedisSerializer());
        template.setValueSerializer(new GenericJackson2JsonRedisSerializer());


        return template;
    }
}
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完整应用如下：

package com.jinbaozi.user.service.impl;

import com.jinbaozi.common.utils.AliyunSmsUtil;
import com.jinbaozi.user.entity.User;
import com.jinbaozi.user.mapper.UserMapper;
import com.jinbaozi.user.service.IUserService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Random;
import java.util.concurrent.TimeUnit;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author jinbaozi.com
 * @since 2026-02-02
 */
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IUserService {
    @Autowired
    private AliyunSmsUtil aliyunSmsUtil;
    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    /**
     * 根据用户名查询用户数量
     *
     * @param username
     * @return
     */
    @Override
    public Integer countUserByName(String username) {
        return this.baseMapper.countUserByName(username);
    }
    /**
     * 获取验证码的key
     *
     * @param phone
     * @param code
     * @return
     */
    private String getCaptchaKey(String phone,String code){
        return "captcha:" + phone + "-" + code;
    }
    /**
     * 发送短信
     *
     * @param phone
     */
    @Override
    public void sendSms(String phone) {
        // 生成4位随机数,生成一个0到9999之间的随机整数，并通过格式化确保其为4位数（不足4位时前面补0）
        Random random = new Random();
        String code = String.format("%04d",random.nextInt(10000));
        // 发送验证码
        aliyunSmsUtil.sendSms(phone, code);
        log.debug("-----------> 发送验证码：" + code);
        // 存入redis
        redisTemplate.opsForValue().set(getCaptchaKey(phone,code),phone, 5, TimeUnit.MINUTES);
    }

    /**
     * 校验验证码
     *
     * @param phone
     * @param code
     * @return
     */
    @Override
    public boolean checkCapthcha(String phone, String code) {
        String key = getCaptchaKey(phone,code);
        Object obj = redisTemplate.opsForValue().get(key);
        return obj!=null ? true : false;
    }
}
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