vc6 测试工程下载地址: http://download.csdn.net/detail/mtour/8068053
代码如下:
size_t my_write_func(void *ptr, size_t size, size_t nmemb, FILE *stream) { return fwrite(ptr, size, nmemb, stream); } int my_progress_func(char *progress_data, double t, /* dltotal */ double d, /* dlnow */ double ultotal, double ulnow) { printf("%s %g / %g (%g %%)\n", progress_data, d, t, d*100.0/t); return 0; } int main(int argc, char **argv) { CURL *curl; CURLcode res; FILE *outfile; char *url = "http://10.10.1.4/d/c00000000000039/2014-10-22/10-28-35.ps"; char *progress_data = "* "; curl = curl_easy_init(); if(curl) { outfile = fopen("test.ps", "wb"); curl_easy_setopt(curl, CURLOPT_URL, url); curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func); curl_easy_setopt(curl, CURLOPT_NOPROGRESS, FALSE); curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func); curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, progress_data); res = curl_easy_perform(curl); fclose(outfile); /* always cleanup */ curl_easy_cleanup(curl); } return 0; }