以下是c代码的实现:
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <curl/curl.h>
-
- #define POSTURL "http://www.xiami.com/member/login"
- #define POSTFIELDS "email=myemail@163.com&password=mypassword&autologin=1&submit=登 录&type="
- #define FILENAME "curlposttest.log"
-
- size_t write_data(void* buffer,size_t size,size_t nmemb,void *stream)
- {
- FILE *fptr = (FILE*)stream;
- fwrite(buffer,size,nmemb,fptr);
- return size*nmemb;
- }
-
- int main(int argc,char *argv[])
- {
- CURL *curl;
- CURLcode res;
- FILE* fptr;
- struct curl_slist *http_header = NULL;
-
- if ((fptr = fopen(FILENAME,"w")) == NULL)
- {
- fprintf(stderr,"fopen file error:%s\n",FILENAME);
- return -1;
- }
-
- curl = curl_easy_init();
- if (!curl)
- {
- fprintf(stderr,"curl init failed\n");
- return -1;
- }
-
- curl_easy_setopt(curl,CURLOPT_URL,POSTURL); //url地址
- curl_easy_setopt(curl,CURLOPT_POSTFIELDS,POSTFIELDS); //post参数
- curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,write_data); //对返回的数据进行操作的函数地址
- curl_easy_setopt(curl,CURLOPT_WRITEDATA,fptr); //这是write_data的第四个参数值
- curl_easy_setopt(curl,CURLOPT_POST,1); //设置问非0表示本次操作为post
- curl_easy_setopt(curl,CURLOPT_VERBOSE,1); //打印调试信息
- curl_easy_setopt(curl,CURLOPT_HEADER,1); //将响应头信息和相应体一起传给write_data
- curl_easy_setopt(curl,CURLOPT_FOLLOWLOCATION,1); //设置为非0,响应头信息location
- curl_easy_setopt(curl,CURLOPT_COOKIEFILE,"/Users/zhu/CProjects/curlposttest.cookie");
-
- res = curl_easy_perform(curl);
-
- if (res != CURLE_OK)
- {
- switch(res)
- {
- case CURLE_UNSUPPORTED_PROTOCOL:
- fprintf(stderr,"不支持的协议,由URL的头部指定\n");
- case CURLE_COULDNT_CONNECT:
- fprintf(stderr,"不能连接到remote主机或者代理\n");
- case CURLE_HTTP_RETURNED_ERROR:
- fprintf(stderr,"http返回错误\n");
- case CURLE_READ_ERROR:
- fprintf(stderr,"读本地文件错误\n");
- default:
- fprintf(stderr,"返回值:%d\n",res);
- }
- return -1;
- }
-
- curl_easy_cleanup(curl);
- }
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