飞天班第31节：前台登录注册业务实现

public class JwtUtils {
	// 这个只有在服务端有
	public static final String APP_SECRET = "[asdhakdjsakjdlasjdu13123123_123!@";
	public static final long EXPIRE = 1000*60*60*24;

	public static String getJwtToken(String id,String nickname){
		String jwtToken = Jwts.builder()
				.setHeaderParam("typ", "JWT")
				.setHeaderParam("alg", "HS256")
				.setSubject("member-user")  // 这个token字符串的标题，也可以使用id唯一值标识
				.setIssuedAt(new Date())    // 创建时间
				.setExpiration(new Date(System.currentTimeMillis() + EXPIRE))
				.claim("id", id)   // 自包含的数据
				.claim("nickname", nickname) // 自包含的数据
				.signWith(SignatureAlgorithm.HS256, APP_SECRET) // 签名加密
				.compact();
		// 就是一个指定规则的字符串jwtToken，这里保存用户的信息
		return jwtToken;
	}

	// 检测token
	public static boolean checkToken(String jwtToken){
		if (StringUtils.isEmpty(jwtToken)) return false;
		try {
			Jws<Claims> claimsJws = Jwts.parser().setSigningKey(APP_SECRET).parseClaimsJws(jwtToken);
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
		return true;
	}

	// 根据用户请求头中的token获取用户的id
	public static String getMemberIdByJwtToken(HttpServletRequest request) {
		String token = request.getHeader("token");
		if (StringUtils.isEmpty(token)) return "";
		Jws<Claims> claimsJws = Jwts.parser().setSigningKey(APP_SECRET).parseClaimsJws(token);
		Claims body = claimsJws.getBody();
		return (String) body.get("id");
	}
}

public class TestSMS {
    @Test
    public void test(){
        DefaultProfile profile = DefaultProfile.getProfile("cn-hangzhou", "<accessKeyId>", "<accessSecret>");
        // 连接到客户端
        IAcsClient client = new DefaultAcsClient(profile);
        // 短信请求
        CommonRequest request = new CommonRequest();
        request.setSysMethod(MethodType.POST);
        request.setSysDomain("dysmsapi.aliyuncs.com");// 不能改动
        request.setSysVersion("2017-05-25"); // 版本时间，不能改动
        // api事件
        request.setSysAction("SendSms");

        // 具体的发送
        request.putQueryParameter("PhoneNumbers", "187xxxx39");
        request.putQueryParameter("SignName", "<签名>");
        request.putQueryParameter("TemplateCode", "<模版CODE>");
        // 验证码
        HashMap<String, Object> param = new HashMap<>();
        param.put("code",2333);
        request.putQueryParameter("TemplateParam", JSONObject.toJSONString(param));

        try {
            // 请求发送获得响应
            CommonResponse response = client.getCommonResponse(request);
            System.out.println(response.getData());
        } catch (ServerException e) {
            e.printStackTrace();
        } catch (ClientException e) {
            e.printStackTrace();
        }
    }
}

@GetMapping("/send/{phone}")
public R code(@PathVariable("phone") String phone){
  // 先判断否已经发送过了，从redis获取key
  String code = redisTemplate.opsForValue().get(phone);
  if (!StringUtils.isEmpty(code)){
    return R.ok();
  }

  // 生成验证码
  code = UUID.randomUUID().toString().substring(0, 4);
  HashMap<String, Object> param = new HashMap<>();
  param.put("code",code);

  boolean isSend = smsService.send(phone, "SMS_189520818", param); // SMS_189520818 就是短信模版CODE
  if (isSend){
    // 缓存到redis中，60秒失效
    redisTemplate.opsForValue().set(phone,code,60,TimeUnit.SECONDS);
    return R.ok();
  }else {
    return R.error().message("短信发送失败");
  }
}

@Service
public class SmsServiceImpl implements SmsService {
    @Override
    public boolean send(String phoneNums, String tempalteCode, Map<String, Object> param) {
        DefaultProfile profile = DefaultProfile.getProfile("cn-hangzhou", ConstantPropertiesUtils.ACCESS_KEY_ID, ConstantPropertiesUtils.ACCESS_KEY_SECRET);
        // 连接到客户端
        IAcsClient client = new DefaultAcsClient(profile);
        // 短信请求
        CommonRequest request = new CommonRequest();
        request.setMethod(MethodType.POST);
        request.setDomain("dysmsapi.aliyuncs.com");// 不能改动
        request.setVersion("2017-05-25"); // 版本时间，不能改动
        // api事件
        request.setAction("SendSms");

        // 具体的发送
        request.putQueryParameter("PhoneNumbers", phoneNums);
        request.putQueryParameter("SignName", "狂神说Java学习网站");
        request.putQueryParameter("TemplateCode", tempalteCode);
        // 验证码
        request.putQueryParameter("TemplateParam", JSONObject.toJSONString(param));

        try {
            // 请求发送获得响应
            CommonResponse response = client.getCommonResponse(request);
            System.out.println(response.getData());
            return response.getHttpResponse().isSuccess();
        } catch (ServerException e) {
            e.printStackTrace();
        } catch (ClientException e) {
            e.printStackTrace();
        }
        return false;
    }
}