apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/v1/controller/AppController.java/AppController/getEnvClusterInfo
class AppController:  @GetMapping(value = "/apps/{appId}/envclusters")
  public List<OpenEnvClusterDTO> getEnvClusterInfo(@PathVariable String appId){
    return this.appOpenApiService.getEnvClusterInfo(appId);
  }