curl库简单封装，支持https，内含32/64位库

#include "LibcurlHttp.h" #ifdef _WIN64 #ifdef _DEBUG #pragma comment(lib,"../Lib64/libcurl_debug.lib") #else #pragma comment(lib,"../Lib64/libcurl.lib") #endif #else #ifdef _DEBUG #pragma comment(lib,"../Lib/libcurl_debug.lib") #else #pragma comment(lib,"../Lib/libcurl.lib") #endif #endif CLibcurlHttp::CLibcurlHttp() :m_bDebug(false) , m_OutTime(10) { } CLibcurlHttp::~CLibcurlHttp() { } static int OnDebug(CURL *, curl_infotype itype, char * pData, size_t size, void *) { if (itype == CURLINFO_TEXT) { printf("[TEXT]%s\n", pData); } else if (itype == CURLINFO_HEADER_IN) { printf("[HEADER_IN]%s\n", pData); } else if (itype == CURLINFO_HEADER_OUT) { printf("[HEADER_OUT]%s\n", pData); } else if (itype == CURLINFO_DATA_IN) { printf("[DATA_IN]%s\n", pData); } else if (itype == CURLINFO_DATA_OUT) { printf("[DATA_OUT]%s\n", pData); } return 0; } static size_t OnWriteData(void* buffer, size_t size, size_t nmemb, void* lpVoid) { std::string* str = dynamic_cast<std::string*>((std::string *)lpVoid); if (NULL == str || NULL == buffer) { return -1; } char* pData = (char*)buffer; str->append(pData, size * nmemb); return nmemb; } /* libcurl write callback function */ size_t WriteData(void *ptr, size_t size, size_t nMenmb, FILE *stream) { size_t written = fwrite(ptr, size, nMenmb, stream); return written; //在这里可以把下载到的数据以追加的方式写入文件 //FILE* fp = NULL; //fopen_s(&fp, "c:\\test.dat", "ab+");//一定要有a, 否则前面写入的内容就会被覆盖了 //size_t nWrite = fwrite(ptr, nSize, nmemb, fp); //fclose(fp); //return nWrite; } int CLibcurlHttp::Post(const string & strUrl, const string & strPost, string & strResponse, const bool bIsJosn) { CURLcode res; //初始化curl，生成CURL *curl指针 CURL *curl = curl_easy_init(); if (nullptr == curl) { return CURLE_FAILED_INIT; } if (m_bDebug) { curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); //调试信息 curl_easy_setopt(curl,CURLOPT_DEBUGFUNCTION, OnDebug); } curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str()); curl_easy_setopt(curl, CURLOPT_POST, true); /* struct curl_slist *curl_slist_append(struct curl_slist * list, const char * string); @ 添加Http消息头 @ 属性string：形式为name+": "+contents */ curl_slist *pList = nullptr; if (bIsJosn) //设置http发送的内容类型未JSON { pList = curl_slist_append(NULL, "Content-Type:application/json;charset=UTF-8"); curl_easy_setopt(curl, CURLOPT_HTTPHEADER, pList); } /* CURLcode curl_easy_setopt(CURL *handle, CURLoption option, parameter); @ 设置属性及常用参数 */ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false); //证书验证 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false); //ssl算法验证 curl_easy_setopt(curl, CURLOPT_USERNAME, "test"); curl_easy_setopt(curl, CURLOPT_PASSWORD, "1234"); curl_easy_setopt(curl, CURLOPT_POSTFIELDS, strPost.c_str()); curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData); curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void*)&strResponse); curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1); //是否抓取跳转后的页面 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, m_OutTime); curl_easy_setopt(curl, CURLOPT_TIMEOUT, m_OutTime); res = curl_easy_perform(curl); if (pList) { curl_slist_free_all(pList); } curl_easy_cleanup(curl); return res; } int CLibcurlHttp::Get(const string & strUrl, string & strResponse) { CURLcode res; CURL *curl = curl_easy_init(); if (nullptr == curl) { return CURLE_FAILED_INIT; } if (m_bDebug) { curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, OnDebug); } curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str()); //访问的URL curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL); // curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData); //数据回调函数 curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void*)&strResponse); //数据回调参数，一般为buffer或者文件fd /* * 当多个线程都使用超时处理的时候，同时主线程中有sleep或是wait等操作。 * 如果不设置这个选项，libcurl将会发信号打断这个wait从而导致程序退出。 */ curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, m_OutTime); curl_easy_setopt(curl, CURLOPT_TIMEOUT, m_OutTime); //https curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false); curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false); curl_easy_setopt(curl, CURLOPT_CAINFO, "D:\\cert\\PC-12.crt"); curl_easy_setopt(curl, CURLOPT_USERNAME, "test"); curl_easy_setopt(curl, CURLOPT_PASSWORD, "1234"); /* CURLcode curl_easy_perform(CURL *handle); @ 开始下载 */ if (res = curl_easy_perform(curl), CURLE_OK != res) { printf("%s\n", curl_easy_strerror(res)); } /* void curl_easy_cleanup(CURL * handle); @ 释放CURL *curl指针 */ curl_easy_cleanup(curl); /* void curl_global_cleanup(void); @ 初始化libcurl，全局也只需调一次 */ //curl_global_cleanup(); return res; } int CLibcurlHttp::Posts(const string & strUrl, const string & strPost, string & strResponse, const char * pCaPath) { CURLcode res; CURL *curl = curl_easy_init(); if (nullptr == curl) { return CURLE_FAILED_INIT; } if (m_bDebug) { curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, OnDebug); } curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str()); curl_easy_setopt(curl, CURLOPT_POST, 1); curl_easy_setopt(curl, CURLOPT_POSTFIELDS, strPost.c_str()); curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData); curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&strResponse); curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); if (nullptr == pCaPath) { curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false); curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false); } else { //缺省情况就是PEM，所以无需设置，另外支持DER //curl_easy_setopt(curl,CURLOPT_SSLCERTTYPE,"PEM"); curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, true); curl_easy_setopt(curl, CURLOPT_CAINFO, pCaPath); } curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, m_OutTime); curl_easy_setopt(curl, CURLOPT_TIMEOUT, m_OutTime); res = curl_easy_perform(curl); curl_easy_cleanup(curl); return res; } int CLibcurlHttp::Gets(const string & strUrl, string & strResponse, const char * pCaPath) { CURLcode res; CURL *curl = curl_easy_init(); if (nullptr == curl) { return CURLE_FAILED_INIT; } if (m_bDebug) { curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, OnDebug); } curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str()); curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData); curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&strResponse); curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); if (nullptr == pCaPath) { curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false); curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false); } else { curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, true); curl_easy_setopt(curl, CURLOPT_CAINFO, pCaPath); } curl_easy_setopt(curl, CURLOPT_USERNAME, "test"); curl_easy_setopt(curl, CURLOPT_PASSWORD, "1234"); curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, m_OutTime); curl_easy_setopt(curl, CURLOPT_TIMEOUT, m_OutTime); res = curl_easy_perform(curl); if (CURLE_OK != res) { curl_easy_cleanup(curl); printf("%s\n", curl_easy_strerror(res)); return -1; } curl_easy_cleanup(curl); return res; } int CLibcurlHttp::DownloadFile(const string & strUrl, const string & strFile) { FILE *fp; CURL *curl = curl_easy_init(); CURLcode res; if (nul