int s, size
struct sockaddr_in sin
struct hostent* phe
char cmd[256]
char msg_hdr[1000]
char* p
//准备http中GET 方法的请求。
sprintf(cmd,"GET %s\r\nHTTP/1.1\r\nHost:%s", url, host)
//创建socket
if((s=socket(PF_INET,SOCK_STREAM,0))<0)
return -1
if((phe = gethostbyname(host)) == NULL)
return -1
memset(&sin,0,sizeof(sin))
memcpy(&sin.sin_addr,phe->h_addr,sizeof(struct in_addr))
sin.sin_family=AF_INET
sin.sin_port=htons(pms->port)
//跟远程机器建立连接,失败函数返回-1
if(connect(s,(struct sockaddr*)&sin,sizeof(sin))==-1)
return -1
//发送GET请求
if(write(s,cmd,strlen(cmd))<0)
return 0
//从链接描述符(连接管道)中读取传送过来的数据
if(read(s, msg_hdr, 300)<0)
error
close(s)
//读到该文件的大小
if((p=strstr(msg_hdr,"Content-Length"))||(p=strstr(msg_hdr,"Content-length:")))
p+=16
else
error
//返回大小
size = atoi(p)
sprintf(cmd,"GET %s HTTP/1.1\r\nHost: %s\r\nAccept: */*\r\nPragma: no-cache\r\nCache-Control: no-cache\r\nConnection: close\r\nRange: bytes0-%d\r\n\r\n", url, host, size)
//创建套接口
if((s=socket(AF_INET,SOCK_STREAM,0))<0)
return 0
//取得远程主机的IP地址,失败返回0
if((phe = gethostbyname(host)) == NULL)
return 0
memset(&sin,0,sizeof(sin))
memcpy(&sin.sin_addr,phe->h_addr,sizeof(struct in_addr))
sin.sin_family=AF_INET
sin.sin_port=htons(port)
//建立连接
if(connect(s,(struct sockaddr*)&sin,sizeof(sin))==-1)
return 0
//发送读取请求
if(write(s,cmd,strlen(cmd))<0)
error
read(s, buf, BUFSIZE)..............
正常用TDATASETTFIELD
TQUERY
等好几个控件一起用就可以了。
去程序员大本营
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