列出所有变量
CURL *hnd = curl_easy_init(); curl_easy_setopt(hnd, CURLOPT_CUSTOMREQUEST, "GET"); curl_easy_setopt(hnd, CURLOPT_URL, "http://127.0.0.1:39321/iotgateway/browse"); struct curl_slist *headers = NULL; headers = curl_slist_append(headers, "cache-control: no-cache"); headers = curl_slist_append(headers, "Accept-Language: zh-CN,zh;q=0.9"); headers = curl_slist_append(headers, "Accept-Encoding: gzip, deflate, br"); headers = curl_slist_append(headers, "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"); headers = curl_slist_append(headers, "User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.81 Safari/537.36"); headers = curl_slist_append(headers, "Upgrade-Insecure-Requests: 1"); headers = curl_slist_append(headers, "Cache-Control: max-age=0"); headers = curl_slist_append(headers, "Connection: keep-alive"); curl_easy_setopt(hnd, CURLOPT_HTTPHEADER, headers); CURLcode ret = curl_easy_perform(hnd);
读取某变量的值
CURL *hnd = curl_easy_init(); curl_easy_setopt(hnd, CURLOPT_CUSTOMREQUEST, "GET"); curl_easy_setopt(hnd, CURLOPT_URL, "http://127.0.0.1:39321/iotgateway/read?ids=Channel1.Device1.tag1,Channel1.Device1.tag2"); struct curl_slist *headers = NULL; headers = curl_slist_append(headers, "cache-control: no-cache"); headers = curl_slist_append(headers, "Accept-Language: zh-CN,zh;q=0.9"); headers = curl_slist_append(headers, "Accept-Encoding: gzip, deflate, br"); headers = curl_slist_append(headers, "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"); headers = curl_slist_append(headers, "User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.81 Safari/537.36"); headers = curl_slist_append(headers, "Upgrade-Insecure-Requests: 1"); headers = curl_slist_append(headers, "Cache-Control: max-age=0"); headers = curl_slist_append(headers, "Connection: keep-alive"); curl_easy_setopt(hnd, CURLOPT_HTTPHEADER, headers); CURLcode ret = curl_easy_perform(hnd);