就是用c语言的写的一个简单http请求，并分析其响应，原理很简单，主要是分析http响应，麻烦的是提取其中的比赛信息
#define USERAGENT "Wget/1.10.2"
#define ACCEPT "*/*"
#define ACCEPTLANGUAGE "zh-cn,zh;q=0.5"
#define ACCEPTENCODING "gzip,deflate"
#define ACCEPTCHARSET "gb2312,utf-8;q=0.7,*;q=0.7"
#define KEEPALIVE "300"
#define CONNECTION "keep-alive"
#define CONTENTTYPE "application/x-www-form-urlencoded"
#define HOSTNAME "www.zhibo8.cc"
#define DEBUG 1
char Request[409600]="";
char Recive[409600]="";
struct hostent *host;
int sockfd=0;
FILE *fp;
struct sockaddr_in server_addr;
int year;
int mon;
int day;
int wday;
int count=0;
void HandLine(char *l);
void SaveResult();
void GetDayInfo();
void GetTime();
int GetLocalAgent(char * UserAgent, char * Accept, char * AcceptLanguage, char * AcceptEncoding, char * AcceptCharset, char * KeepAlive, char * Connection, char * ContentType)
{
memcpy(UserAgent, USERAGENT, strlen(USERAGENT));
memcpy(Accept, ACCEPT, strlen(ACCEPT));
memcpy(AcceptLanguage, ACCEPTLANGUAGE, strlen(ACCEPTLANGUAGE));
memcpy(AcceptEncoding, ACCEPTENCODING, strlen(ACCEPTENCODING));
memcpy(AcceptCharset, ACCEPTCHARSET, strlen(ACCEPTCHARSET));
memcpy(KeepAlive, KEEPALIVE, strlen(KEEPALIVE));
memcpy(Connection, CONNECTION, strlen(CONNECTION));
memcpy(ContentType, CONTENTTYPE, strlen(CONTENTTYPE));
return 0;
}
void CreatRequest()
{
char UserAgent[1024] = "", Accept[1024] = "", AcceptLanguage[1024] = "", AcceptEncoding[1024] = "", AcceptCharset[1024] = "", KeepAlive[1024] = "", Connection[1024] = "", ContentType[1024] = "";
if((host=gethostbyname("www.zhibo8.cc"))==NULL) /* get ip address by domain */
{
if(DEBUG) fprintf(stderr,"\tGethostname '%s' error, %s\n", HOSTNAME, strerror(errno));
exit(1);
}
GetLocalAgent(UserAgent, Accept, AcceptLanguage, AcceptEncoding, AcceptCharset, KeepAlive, Connection, ContentType); /* Get client browser information */
sprintf(Request, "GET /%s/%s HTTP/1.0\r\nHost: %s\r\nUser-Agent: %s\r\nAccept: %s\r\nConnection: %s\r\n\r\n", "/", "", HOSTNAME, UserAgent, Accept, Connection);
}
</div>
void SendRequest()
{
int wn=0;
wn=write(sockfd,Request,strlen(Request));
if(wn==-1)
{
fprintf(stderr,"\t SEND ERROR:%s\a\n",strerror(errno));
exit(1);
}
fprintf(stdout, "\n\tRequest. send OK!\n" );
}
void SaveResult()
{
fd_set readfds;
struct timeval tival;
int i,j,ret;
i=j=ret=0;
int n=0;
RECIVE:
FD_ZERO(&readfds);
tival.tv_sec=10;
tival.tv_usec=0;
if(sockfd>0)
FD_SET(sockfd,&readfds);
ret=select(sockfd+1,&readfds,NULL,NULL,&tival);
if(ret==0)
{
if(n++<2)
goto RECIVE;
}
if(FD_ISSET(sockfd,&readfds))
{
/*读取全部相应内容到本地文件*/
while(read(sockfd,Recive,sizeof(Recive)))
{
fwrite(Recive,sizeof(Recive),1,fp);
memset(Recive,0,sizeof(Recive));
}
}
}
</div>