C语言版 博客园用户登陆

#include <stdio.h>
#include <curl/curl.h>

#define LOGIN_URL "http://m.cnblogs.com/mobileLoginPost.aspx"
#define USER_NAME "myname"
#define PASSWORD  "mypassword"

FILE *fp;
size_t write_data (void *ptr, size_t size, size_t nmemb, void *stream)
{
    int written = fwrite (ptr, size, nmemb, (FILE *) fp);
    return written;
}

int main(void)
{
    fp = fopen("html.txt", "w");
    if ( fp == NULL )
    {
        printf("open file failed.
");
    }
    CURL *curl;
    CURLcode res;
    struct curl_slist *headerlist = NULL;
    curl = curl_easy_init();
    if (curl)
    {
        char nline[256];
        snprintf(nline, sizeof(nline), "tbUserName=%s&tbPassword=%s&chkRemember=on&txtReturnUrl=", USER_NAME, PASSWORD);
        curl_easy_setopt(curl, CURLOPT_URL, LOGIN_URL);
        curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
        curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
        curl_easy_setopt(curl, CURLOPT_POST, 1);
        curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
        curl_easy_setopt(curl, CURLOPT_COOKIEFILE,  "cookie_login.txt");
        curl_easy_setopt(curl, CURLOPT_COOKIEJAR,  "cookie_login.txt");
        curl_easy_setopt(curl, CURLOPT_POSTFIELDS, nline);

        res = curl_easy_perform(curl);

        if (res != CURLE_OK)
            fprintf(stderr, "curl_easy_perform() failed: %s
",
                    curl_easy_strerror(res));

        curl_easy_cleanup(curl);
        curl_slist_free_all(headerlist);
    }
    return 0;
}

啊  要睡觉了,很晚了  明天试试闪存获取和发闪存。