#include #include #include #include #include #include #include #include "cos_api.h" #include "cos_sys_config.h" #include "util/auth_tool.h" /** * 本样例演示了如何使用 COS C++ SDK 进行 Head Object 相关操作 * 包括:Head Object、判断对象是否存在 */ using namespace qcloud_cos; uint64_t appid = 12500000000; std::string tmp_secret_id = "AKIDXXXXXXXX"; std::string tmp_secret_key = "1A2Z3YYYYYYYYYY"; std::string region = "ap-guangzhou"; std::string bucket_name = "examplebucket-12500000000"; std::string tmp_token = "token"; /* * 本方法包含调用是否正常的判断,和请求结果的输出 * 可通过本方法判断是否请求成功,并输出结果信息 */ void PrintResult(const qcloud_cos::CosResult& result, const qcloud_cos::BaseResp& resp) { if (result.IsSucc()) { std::cout << "Request Succ." << std::endl; std::cout << resp.DebugString() << std::endl; } else { std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl; std::cout << "HttpStatus=" << result.GetHttpStatus() << std::endl; std::cout << "ErrorCode=" << result.GetErrorCode() << std::endl; std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl; std::cout << "ResourceAddr=" << result.GetResourceAddr() << std::endl; std::cout << "XCosRequestId=" << result.GetXCosRequestId() << std::endl; std::cout << "XCosTraceId=" << result.GetXCosTraceId() << std::endl; } } /* * 通过参数形式初始化 CosAPI 对象 */ qcloud_cos::CosAPI InitCosAPI() { qcloud_cos::CosConfig config(appid, tmp_secret_id, tmp_secret_key, region); config.SetTmpToken(tmp_token); // 推荐使用临时密钥初始化 CosAPI 对象, 如果您使用永久密钥初始化 CosAPI 对象,请注释 qcloud_cos::CosAPI cos_tmp(config); return cos_tmp; } void IsObjectExistDemo(qcloud_cos::CosAPI& cos) { bool is_exist = cos.IsObjectExist(bucket_name, "test.txt"); std::cout << "=====================IsObjectExist=======================" << std::endl; std::cout << (is_exist ? "true" : "false") << std::endl; std::cout << "=========================================================" << std::endl; } void HeadObjectDemo(qcloud_cos::CosAPI& cos) { std::string object_name = "test.txt"; qcloud_cos::HeadObjectReq req(bucket_name, object_name); qcloud_cos::HeadObjectResp resp; qcloud_cos::CosResult result = cos.HeadObject(req, &resp); std::cout << "===================HeadObjectResponse=====================" << std::endl; std::map cos_metas = resp.GetXCosMetas(); // 获取自定义的元数据map std::string cos_meta = resp.GetXCosMeta("x-cos-meta-*"); // 获取指定自定义的元数据 std::string restore = resp.GetXCosRestore(); // 获得 archive 类型对象的当前恢复状态 std::string sse = resp.GetXCosServerSideEncryption(); // Server端加密使用的算法 PrintResult(result, resp); std::cout << "==========================================================" << std::endl; } int main() { qcloud_cos::CosAPI cos = InitCosAPI(); CosSysConfig::SetLogLevel((LOG_LEVEL)COS_LOG_ERR); IsObjectExistDemo(cos); HeadObjectDemo(cos); }