<dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-java-sdk-core</artifactId>
            <version>4.4.6</version>
        </dependency>
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-java-sdk-ecs</artifactId>
            <version>4.17.6</version>
        </dependency>

测试类

public class Demo {
    public static void main(String[] args) {
        // 创建DefaultAcsClient实例并初始化
        DefaultProfile profile = DefaultProfile.getProfile(
                "cn-hangzhou",          // 地域ID
                "填AccessKey ID",      // RAM账号的AccessKey ID
                "填AccessKey Secret"); // RAM账号AccessKey Secret
        IAcsClient client = new DefaultAcsClient(profile);

        CommonRequest request = new CommonRequest();
        request.setSysDomain("dysmsapi.aliyuncs.com");
        request.setSysAction("SendSms");
        request.setSysVersion("2017-05-25");
        request.putQueryParameter("RegionId", "cn-hangzhou");
        request.putQueryParameter("PhoneNumbers", "接收手机号码");
        request.putQueryParameter("SignName", "签名名称");
        request.putQueryParameter("TemplateCode", "模板名称");
        request.putQueryParameter("TemplateParam", "{\"code\":\"1111\"}");
        try {
            CommonResponse response = client.getCommonResponse(request);
            System.out.println(response.getData());
        } catch (ServerException e) {
            e.printStackTrace();
        } catch (ClientException e) {
            e.printStackTrace();
        }
    }

}