Java实现短信验证码服务的完整代码示例

package com.wzy.util;;
import cn.hutool.captcha.generator.RandomGenerator;
import com.aliyun.dysmsapi20170525.Client;
import com.wzy.entity.Ali;
import org.springframework.stereotype.Component;

/**
 * @Author: 顾安
 * @Description:
 * @Date: Create in 17:30 2024/7/23
 */
@Component
public class SendMsgUtil {
    /**
     * 使用AK&SK初始化账号Client
     * @return Client
     * @throws Exception
     */

    private static Ali ali;

    public SendMsgUtil(Ali ali) {
        this.ali = ali;
    }
    public static Client createClient() throws Exception {
        com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
                // 必填，请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_ID。
                .setAccessKeyId(ali.getAccessKeyId())

                // 必填，请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_SECRET。
                .setAccessKeySecret(ali.getAccessKeySecret());
        // Endpoint 请参考 https://api.aliyun.com/product/Dysmsapi
        config.endpoint = "dysmsapi.aliyuncs.com";
        return new Client(config);
    }
/*    *
     * API 相关
     * @return OpenApi.Params*/

    public static com.aliyun.teaopenapi.models.Params createApiInfo() throws Exception {
        com.aliyun.teaopenapi.models.Params params = new com.aliyun.teaopenapi.models.Params()
                // 接口名称
                .setAction("SendSms")
                // 接口版本
                .setVersion("2017-05-25")
                // 接口协议
                .setProtocol("HTTPS")
                // 接口 HTTP 方法
                .setMethod("POST")
                .setAuthType("AK")
                .setStyle("RPC")
                // 接口 PATH
                .setPathname("/")
                // 接口请求体内容格式
                .setReqBodyType("json")
                // 接口响应体内容格式
                .setBodyType("json");
        return params;
    }

    public static String sendCode(String phone) throws Exception {
        com.aliyun.teaopenapi.Client client = createClient();
        com.aliyun.teaopenapi.models.Params params = createApiInfo();
        String code="123456";
        // query params
        java.util.Map<String, Object> queries = new java.util.HashMap<>();
        queries.put("PhoneNumbers", phone);
        queries.put("SignName", ali.getSignName());
        queries.put("TemplateCode", ali.getTemplateCode()); //您正在申请手机注册，验证码为：$[code]，5分钟内有效！
        queries.put("TemplateParam", "{\"code\":\""+codes()+"\"}");
        // runtime options
        com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
        com.aliyun.teaopenapi.models.OpenApiRequest request = new com.aliyun.teaopenapi.models.OpenApiRequest()
                .setQuery(com.aliyun.openapiutil.Client.query(queries));
        // 复制代码运行请自行打印 API 的返回值
        // 返回值为 Map 类型，可从 Map 中获得三类数据：响应体 body、响应头 headers、HTTP 返回的状态码 statusCode。
        client.callApi(params, request, runtime);
        return codes();
    }
    public static String codes(){
        // 自定义纯数字的验证码（随机4位数字，可重复）
        RandomGenerator randomGenerator = new RandomGenerator("0123456789", 4);
        return String.valueOf(randomGenerator);

    }
//    public static String code(){
//        return String.valueOf(ThreadLocalRandom.current().nextInt(100000,1000000));
//    }
}

@Data
@AllArgsConstructor
@NoArgsConstructor
@Component
@ConfigurationProperties("ali.msg")
public class Ali {
    private String accessKeyId;
    private String accessKeySecret;
    private String signName;
    private String templateCode;

}

<dependency>
    <groupId>cn.hutool</groupId>
    <artifactId>hutool-all</artifactId>
    <version>5.8.16</version>
</dependency>

public static String codes(){
    // 自定义纯数字的验证码（随机4位数字，可重复）
    RandomGenerator randomGenerator = new RandomGenerator("0123456789", 4);
    return String.valueOf(randomGenerator);

}

@GetMapping("/send")
public R sentMsg(String phone){
   //判断前端传过来的手机号是否正确
    if (phone.equals("166x786xxxxx")){
    //判断验证码是否已发送，防止恶意发送
        if (redisTemplate.hasKey("code::"+phone)){
            return new R(200,"请不要频繁点击",null);
        }
        try {
        //调用阿里云的接口并拿到前端传来的手机号
            String code = SendMsgUtil.sendCode(phone);
           //把验证码存入到redis缓存中并设置过期时间
            redisTemplate.opsForValue().set("code::"+phone,code,5, TimeUnit.MINUTES);
            return new R(200,"发送成功",null);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    return new R(200,"发送失败",null);
}

@PostMapping("/login")
public R login(@RequestBody LoginVo loginVo){
    //拿到缓存中的验证码
    String code = redisTemplate.opsForValue().get("code::" + loginVo.getPhone());
     //拿到缓存中的手机号
    String phone = loginVo.getPhone();
   //判断手机号是否正确
    if (phone.equals("16627865460")){
     //判断验证码是否为空是否正确
        if (StringUtils.hasText(loginVo.getCode())&&loginVo.getCode().equals(code)){
           //删除缓存中的验证码，防止恶意登入
            redisTemplate.delete("code::" + phone);
            return new R(200,"登入成功",null);
        }else {
            return new R(500,"登入失败",null);
        }
    }
    return new R(500,"登入失败",null);
}