使用SpringBoot整合高德地图实现路线规划功能

<dependencies>
    <!-- Web -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <!-- JSON处理 -->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
    </dependency>

    <!-- Lombok 简化开发 -->
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
</dependencies>

gaode:
  key: your_amap_api_key    # 替换为你自己的高德Key
  driving-url: https://restapi.amap.com/v3/direction/driving

@Configuration
@ConfigurationProperties(prefix = "gaode")
@Data
public class GaoDeConfig {
    private String key;
    private String drivingUrl;
}

@Data
@AllArgsConstructor
@NoArgsConstructor
public class RouteRequest {
    private String origin;      // 起点坐标 - 格式：经度,纬度
    private String destination; // 终点坐标 - 格式：经度,纬度
}

@Data
@NoArgsConstructor
@AllArgsConstructor
public class RouteResult {
    private String distance;  // 距离（单位：米）
    private String duration;  // 时间（单位：秒）
    private String strategy;  // 策略说明
}

@Service
@RequiredArgsConstructor
public class GaoDeRouteService {

    private final GaoDeConfig config;
    private final RestTemplate restTemplate = new RestTemplate();

    public RouteResult getDrivingRoute(RouteRequest request) {
        String url = UriComponentsBuilder.fromHttpUrl(config.getDrivingUrl())
                .queryParam("origin", request.getOrigin())
                .queryParam("destination", request.getDestination())
                .queryParam("key", config.getKey())
                .queryParam("strategy", 0) // 推荐策略
                .toUriString();

        ResponseEntity<String> response = restTemplate.getForEntity(url, String.class);

        if (response.getStatusCode() == HttpStatus.OK) {
            try {
                ObjectMapper mapper = new ObjectMapper();
                JsonNode root = mapper.readTree(response.getBody());
                JsonNode route = root.path("route");
                JsonNode paths = route.path("paths");
                if (paths.isArray() && paths.size() > 0) {
                    JsonNode path = paths.get(0);
                    return new RouteResult(
                            path.path("distance").asText(),
                            path.path("duration").asText(),
                            path.path("strategy").asText()
                    );
                }
            } catch (Exception e) {
                throw new RuntimeException("解析高德路线规划响应失败", e);
            }
        }

        throw new RuntimeException("调用高德地图接口失败");
    }
}

@RestController
@RequestMapping("/api/route")
@RequiredArgsConstructor
public class RouteController {

    private final GaoDeRouteService routeService;

    @PostMapping("/driving")
    public ResponseEntity<RouteResult> getDrivingRoute(@RequestBody RouteRequest request) {
        RouteResult result = routeService.getDrivingRoute(request);
        return ResponseEntity.ok(result);
    }
}

{
  "origin": "116.481028,39.989643",
  "destination": "116.434446,39.90816"
}

{
  "distance": "9346",
  "duration": "1234",
  "strategy": "推荐"
}