0.初次使用curl

最新推荐文章于 2024-10-27 10:57:26 发布

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最新推荐文章于 2024-10-27 10:57:26 发布

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分类专栏： curl

本文链接：https://blog.youkuaiyun.com/zkj126521/article/details/54634138

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windows10 + vs2010使用curl(command URL)库
curl库的编译可以参考：http://blog.youkuaiyun.com/neverup_/article/details/21961017
openssl解压要使用管理员权限解压（不会请百度），不然会出现符号链接错误。
具体的使用可以看curl官网提供的API和example: https://curl.haxx.se/libcurl/c/example.html

把一个txt文件上传我的ftp

#include <iostream>
#include <string>
#include <curl/curl.h>
using namespace std;
#pragma comment(lib, "libcurld_imp.lib")
int main()
{
    CURL *curl;
    CURLcode res;
    FILE *fd;
    double speed_upload, total_time;
    fd = fopen("test.txt", "rb");
    if(!fd){
        printf("read failed!");
        return 1;
    }
    curl = curl_easy_init();
    if(curl){
        curl_easy_setopt(curl, CURLOPT_URL, "ftp://192.168.0.100/myfile.txt");

        curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);

        curl_easy_setopt(curl, CURLOPT_READDATA, fd);

        curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);

        res = curl_easy_perform(curl);

        if(res != CURLE_OK){
            fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
        }
        else {
            curl_easy_getinfo(curl, CURLINFO_SPEED_UPLOAD, &speed_upload);
            curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &total_time);
            fprintf(stderr, "Speed: %.3f bytes/sec during %.3f secondes\n", speed_upload, total_time);
        }
        curl_easy_cleanup(curl);
    }
    fclose(fd);
    return 0;
}