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自己一步步申请就可以了

开发文档：
https://next.api.aliyun.com/api-tools/sdk/Dysmsapi?version=2017-05-25&language=java-tea&tab=primer-doc

1.引入依赖

<dependency><groupId>com.aliyun</groupId><artifactId>dysmsapi20170525</artifactId><version>3.1.1</version>
</dependency>

2.短信代码

package com.mc.sms.utils;import com.aliyun.tea.*;
import java.util.Random;/*** 此处有两个方法* 1.生成随机六位数的验证码* 2.发送验证码* @author 灯塔* @date: 2024/09/26  18:19* @version 1.0.0*/
public class SendCodeUtils {private static String ALIBABA_CLOUD_ACCESS_KEY_ID = "你的AccessKey";private static String ALIBABA_CLOUD_ACCESS_KEY_SECRET = "你的 AccessKey Secret";private static String SignName = "签名名称";private static String TemplateCode = "模板code";/*** 生成随机的六位验证码* @return String*/public static String generateVerificationCode() {// 设置验证码长度为6int length = 6;// 验证码字符集String digits = "0123456789";Random random = new Random();StringBuilder sb = new StringBuilder();// 生成六位数验证码for (int i = 0; i < length; i++) {int index = random.nextInt(digits.length());sb.append(digits.charAt(index));}return sb.toString();}/*** 使用AK&amp;SK初始化账号Client* @return* @type com.aliyun.dysmsapi20170525.Client* @throws Exception*/public static com.aliyun.dysmsapi20170525.Client createClient() throws Exception {com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config().setAccessKeyId(ALIBABA_CLOUD_ACCESS_KEY_ID).setAccessKeySecret(ALIBABA_CLOUD_ACCESS_KEY_SECRET);config.endpoint = "dysmsapi.aliyuncs.com";return new com.aliyun.dysmsapi20170525.Client(config);}/**** @param phoneNumber* @param verificationCode* @return String* @throws Exception*/public static String verify(String phoneNumber, String verificationCode) throws Exception {com.aliyun.dysmsapi20170525.Client client = SendCodeUtils.createClient();com.aliyun.dysmsapi20170525.models.SendSmsRequest sendSmsRequest = new com.aliyun.dysmsapi20170525.models.SendSmsRequest().setPhoneNumbers(phoneNumber).setSignName(SignName).setTemplateCode(TemplateCode).setTemplateParam("{\"code\":\"" + verificationCode + "\"}");try {// 复制代码运行请自行打印 API 的返回值client.sendSmsWithOptions(sendSmsRequest, new com.aliyun.teautil.models.RuntimeOptions());return verificationCode;} catch (TeaException error) {// 此处仅做打印展示，请谨慎对待异常处理，在工程项目中切勿直接忽略异常。// 错误 messageSystem.out.println(error.getMessage());// 诊断地址System.out.println(error.getData().get("Recommend"));com.aliyun.teautil.Common.assertAsString(error.message);return null;} catch (Exception _error) {TeaException error = new TeaException(_error.getMessage(), _error);// 此处仅做打印展示，请谨慎对待异常处理，在工程项目中切勿直接忽略异常。// 错误 messageSystem.out.println(error.getMessage());// 诊断地址System.out.println(error.getData().get("Recommend"));com.aliyun.teautil.Common.assertAsString(error.message);return null;}}
}

3.测试

@RestController
@RequestMapping("/sms")
public class SmsController {@RequestMapping("/sendSms")public R SendSMS() throws Exception {String code = SendCodeUtils.generateVerificationCode();String phoneNumber = "18618372228";String verify = SendCodeUtils.verify(phoneNumber, code);System.out.println(verify);return R.ok().data(verify);}
}