public void createEipGroup(EipGroupClient eipGroupClient, String name, Integer eipCount, Integer bandwidthInMbps, Billing billing) {
    CreateEipGroupRequest createEipGroupRequest = new CreateEipGroupRequest();

    // 设置创建EipGroup的名称
    createEipGroupRequest.setName(name);
    // 设置EIP共享带宽中EIP的个数
    createEipGroupRequest.setEipCount(eipCount);
    // 设置公网带宽，单位为Mbps
    createEipGroupRequest.setBandwidthInMbps(bandwidthInMbps);
    // 设置订单信息
    createEipGroupRequest.setBilling(billing);
    
    IdResponse idResponse = eipGroupClient.createEipGroup(createEipGroupRequest);
    
    System.out.println(idResponse.getId());
}

public void resizeBandwidth(EipGroupClient eipGroupClient, Integer bandwidthInMbps) {
    BandwidthInMbpsRequest bandwidthInMbpsRequest = new BandwidthInMbpsRequest();
    // 设置带宽大小
    bandwidthInMbpsRequest.setBandwidthInMbps(bandwidthInMbps);
   
    // 执行扩缩容
    eipGroupClient.resizeBandwidth(bandwidthInMbpsRequest);
}

public void addCount(EipGroupClient eipGroupClient, Integer eipAddCount) {
    EipCountRequest eipCountRequest = new EipCountRequest();
    // 设置EIP数量
    eipCountRequest.setEipAddCount(eipAddCount);
   
    // 执行EIP数量扩容
    eipGroupClient.addCount(eipCountRequest);
}

public void update(EipGroupClient eipGroupClient, String name) {
    EipNameRequest eipNameRequest = new EipNameRequest();
    // 设置新name
    eipNameRequest.setName(name);
   
    // 执行更新
    eipGroupClient.update(eipNameRequest);
}

public void listEipInstance(EipGroupClient eipGroupClient, String marker, Integer maxKeys, String name) {
    ListEipGroupRequest listEipGroupRequest = new ListEipGroupRequest();
    // 设置分页标志
    listEipGroupRequest.setMarker(marker);
    // 设置分页返回数据大小
    listEipGroupRequest.setMaxKeys(maxKeys);
    // 设置name
    listEipGroupRequest.setName(name);
    // 执行查询列表操作
    ListEipGroupResponse listEipGroupResponse = eipGroupClient.listEipGroup(listEipGroupRequest);

    for (EipGroup eipGroup : listEipGroupResponse.getEipgroups()) {
        System.out.println(eipGroup.getId());
    }
}

public void getEipGroup(EipGroupClient eipGroupClient, Integer id) {
    GetEipGroupRequest getEipGroupRequest = new GetEipGroupRequest(); 
    // 查询EIP共享带宽详情。
    GetEipGroupResponse getEipGroupResponse = eipGroupClient.getEipGroup(getEipGroupRequest.setId(id));
    System.out.println(getEipGroupResponse.getBandwidthInMbps());
    List<Eip> eips = getEipGroupResponse.getEips();
}

public void purchaseReservedEipGroup(EipGroupClient eipGroupClient, Integer id, Billing billing) {
    PurchaseReservedEipGroupRequest purchaseReservedEipGroupRequest = new PurchaseReservedEipGroupRequest();
    // 设置id
    purchaseReservedEipGroupRequest.setId(id);
    // 设置billing信息
    purchaseReservedEipGroupRequest.setBilling(billing);
    // 执行续费
    eipGroupClient.purchaseReservedEipGroup(purchaseReservedEipGroupRequest);
}