in src/main/java/com/aliyun/cloudops/acs/ecs/controller/InstanceController.java [43:50]
public ResponseEntity<RegionsResponse> getRegions() throws ClientException {
DescribeRegionsRequest request = new DescribeRegionsRequest();
DescribeRegionsResponse response = this.acsClient.sendRequest(request);
String current = this.acsClient.getRegionId();
List<Region> regions = response.getRegions();
RegionsResponse result = new RegionsResponse(current, regions);
return new ResponseEntity<>(result, HttpStatus.OK);
}