springboot 对接马来西亚数据源API等多个国家的数据源

使用Spring Boot对接StockTV全球金融数据API指南

StockTV提供了覆盖股票、外汇、期货和加密货币的全球化金融数据接口。本文将通过Spring Boot实现对这些API的快速对接，并提供完整的代码示例。

一、前期准备

1. 获取API Key

访问StockTV官网联系客服获取API Key，所有请求需携带key参数。

2. 创建Spring Boot项目

添加依赖：

xml 复制代码

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-websocket</artifactId>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
    </dependency>
</dependencies>

二、基础配置

1. 配置RestTemplate

java 复制代码

@Configuration
public class AppConfig {
    
    @Bean
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

    @Value("${stocktv.api.key}")
    private String apiKey;

    @Bean
    public HttpHeaders commonHeaders() {
        HttpHeaders headers = new HttpHeaders();
        headers.add("User-Agent", "SpringBootClient/1.0");
        return headers;
    }
}

2. 配置API地址

application.yml:

yaml 复制代码

stocktv:
  api:
    key: YOUR_API_KEY
    base-url: https://api.stocktv.top

三、API调用示例

1. 股票市场列表接口

java 复制代码

@Data
public class StockResponse {
    private Integer code;
    private String message;
    private StockData data;
    
    @Data
    public static class StockData {
        private List<StockRecord> records;
        private Integer total;
    }

    @Data
    public static class StockRecord {
        private Long id;
        private String symbol;
        private String name;
        private Double last;
        private Double chgPct;
    }
}

@Service
public class StockService {
    
    @Autowired
    private RestTemplate restTemplate;
    
    @Value("${stocktv.api.base-url}")
    private String baseUrl;
    
    @Value("${stocktv.api.key}")
    private String apiKey;

    public StockResponse getStockList(Integer countryId, Integer page, Integer size) {
        String url = String.format("%s/stock/stocks?countryId=%d&page=%d&pageSize=%d&key=%s",
                baseUrl, countryId, page, size, apiKey);
        return restTemplate.getForObject(url, StockResponse.class);
    }
}

2. 外汇实时汇率

java 复制代码

@Data
public class ForexResponse {
    private List<ForexRate> data;
    
    @Data
    public static class ForexRate {
        private String symbol;
        private String name;
        private String lastPrice;
        private String chgPct;
    }
}

@Service
public class ForexService {
    
    public ForexResponse getForexRates(String countryType) {
        String url = String.format("%s/market/currency?key=%s&countryType=%s",
                baseUrl, apiKey, countryType);
        return restTemplate.getForObject(url, ForexResponse.class);
    }
}

四、WebSocket实时数据

1. 配置WebSocket客户端

java 复制代码

@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {

    @Value("${stocktv.ws.url}")
    private String wsUrl;

    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(stockWebSocketHandler(), "/ws/stocks")
                .setAllowedOrigins("*");
    }

    @Bean
    public WebSocketHandler stockWebSocketHandler() {
        return new StockWebSocketHandler();
    }

    public class StockWebSocketHandler extends TextWebSocketHandler {
        
        @Override
        public void afterConnectionEstablished(WebSocketSession session) {
            String wsFullUrl = wsUrl + "?key=" + apiKey;
            session.sendMessage(new TextMessage("connect|" + wsFullUrl));
        }

        @Override
        protected void handleTextMessage(WebSocketSession session, TextMessage message) {
            // 处理实时数据
            String payload = message.getPayload();
            // 解析JSON数据...
        }
    }
}

五、最佳实践建议

缓存策略
对低频变化数据（如市场列表）使用Spring Cache：

java 复制代码

@Cacheable(value = "stockList", key = "#countryId + '-' + #page")
public StockResponse getStockList(Integer countryId, Integer page, Integer size) {
    // ...
}

异常处理
全局异常处理器：

java 复制代码

@RestControllerAdvice
public class GlobalExceptionHandler {
    
    @ExceptionHandler(RestClientException.class)
    public ResponseEntity<String> handleApiError(RestClientException ex) {
        return ResponseEntity.status(503)
               .body("金融数据服务暂不可用: " + ex.getMessage());
    }
}

安全配置
敏感信息加密存储：

java 复制代码

@Configuration
public class SecurityConfig {
    
    @Bean
    public EncryptablePropertyResolver encryptablePropertyResolver() {
        return new AES256TextEncryptor("your-secret-key");
    }
}

六、完整项目结构

复制代码

src/
├── main/
│   ├── java/
│   │   └── com/example/finance/
│   │       ├── config/       # 配置类
│   │       ├── model/        # 数据模型
│   │       ├── service/      # 业务服务
│   │       └── controller/   # API端点
│   └── resources/
│       ├── application.yml
└── test/                    # 测试用例

七、扩展建议

使用WebClient实现响应式编程
集成Spring Batch处理历史数据
结合Spring Scheduling实现定时数据同步
使用Micrometer实现API调用监控

通过以上步骤，开发者可以快速构建一个功能完备的全球金融数据服务平台。建议在正式环境中增加限流控制、请求重试等机制以保证系统稳定性。