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