使用libcurl以Post方式向HTTP服务器提交数据
一、上傳數(shù)據(jù)
如題:
char name[] = "jgood";
char address[] = "Hangzhou";
上傳這兩個數(shù)據(jù)到http://localhost:2210/Default.aspx??? 該怎么辦?
直接上代碼:
int main()
{
??? CURLcode code;
??? code = curl_global_init(CURL_GLOBAL_ALL?);????//初始化libcurl庫,想用libcurl庫的函數(shù)就必須首先初始化libcurl
??? if(CURLE_OK != return_code)
??? {
??????? cerr << "init libcurl failed." << endl;
??????? return -1;
??? }
???
??? CURL *easy_handle = curl_easy_init();??? //初始化easy interface,想使用easy interface的api函數(shù)就必須首先初始化easy interface
???
????/* curl_easy_setopt函數(shù)設(shè)置屬性和操作?*/
??? curl_easy_setopt(easy_handle, CURLOPT_URL, http://localhost:2210/Default.aspx);??? //這里是設(shè)置url就是你想要上傳的服務(wù)器
??? curl_easy_setopt(easy_handle, CURLOPT_POSTFIELDS, "name=jgood&address=hangzhou");??? //這里就是想要上傳的數(shù)據(jù),數(shù)據(jù)之間用&隔開
???
??? curl_easy_perform(easy_handle);??? //連接到遠(yuǎn)程主機(jī),發(fā)送請求,并接收響應(yīng)
???
??? curl_easy_cleanup(easy_handle);????//釋放資源
???? curl_global_cleanup();????//釋放資源
???
??? return 0;
}
二、上傳表單
如題:
char name[] = "jgood";
char address[] = "Hangzhou";
char filepath[] = "/filename.jpg";
上傳這兩個數(shù)據(jù)和這個文件到http://localhost:2210/Default.aspx??? 該怎么辦?
直接上代碼:
int main()
{
??? CURLcode code;
??? code = curl_global_init(CURL_GLOBAL_ALL?);????//初始化libcurl庫,想用libcurl庫的函數(shù)就必須首先初始化libcurl
??? if(CURLE_OK != return_code)
??? {
??????? cerr << "init libcurl failed." << endl;
??????? return -1;
??? }
???
??? CURL *easy_handle = curl_easy_init();??? //初始化easy interface,想使用easy interface的api函數(shù)就必須首先初始化easy interface
???
??? curl_easy_setopt(easy_handle, CURLOPT_URL, http://localhost:2210/Default.aspx);??? //設(shè)置easy handle的屬性和操作
??? curl_httppost *post = NULL;
??? curl_httppost *last = NULL;
???
??? /*?添加表單,按照服務(wù)器給的接口中變量順序進(jìn)行添加 */
??? curl_formadd(&post, &last, CURLFORM_COPYNAME, "name", CURLFORM_COPYCONTENTS, "JGood", CURLFORM_END);
??? curl_formadd(&post, &last, CURLFORM_COPYNAME, "address", CURLFORM_COPYCONTENTS, "HangZhou", CURLFORM_END);
??? curl_formadd(&post, &last, CURLFORM_COPYNAME, "file", CURLFORM_FILE,?filepath, CURLFORM_CONTENTTYPE, "application/x-jpg", CURLFORM_END);?????//application/x-jpg是jpg文件的類型,具體要根據(jù)自己上傳的文件類型進(jìn)行設(shè)置,參考http://tools.jb51.net/table/http_content_type
? ? curl_easy_perform(easy_handle);??? //連接到遠(yuǎn)程主機(jī),發(fā)送請求,并接收響應(yīng)
???
??? curl_easy_cleanup(easy_handle);????//釋放資源
? ? curl_global_cleanup();????//釋放資源
??? return 0;
}
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