【C/C++】如何获取短信验证码---创蓝253短信服务平台

#include <arpa/inet.h>
#include <assert.h>
#include <errno.h>
#include <netinet/in.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netdb.h>
#include <unistd.h>

#define SA struct sockaddr
#define MAXLINE 4096
#define MAXSUB 2000
#define MAXPARAM 2048

#define LISTENQ 1024

//线上线下接口宏开关

#define ONLINE

extern int h_errno;

int sockfd;

char hostname = "123.59.105.84";
char send_sms_uri = "/msg/send";
char *query_balance_uri = "/msg/balance";

/**

• • 发http post请求
• /
  ssize_t http_post(char page, char *poststr)
  {
  char sendline[MAXLINE + 1], recvline[MAXLINE + 1];
  ssize_t n;
  snprintf(sendline, MAXSUB,
  "POST %s HTTP/1.0\r\n"
  "Host: sms.253.com\r\n"
  "Content-type: application/x-www-form-urlencoded\r\n"
  "Content-length: %zu\r\n\r\n"
  "%s", page, strlen(poststr), poststr);
  write(sockfd, sendline, strlen(sendline));
  printf("\n%s", sendline);
  printf("\n--------------------------\n");
  while ((n = read(sockfd, recvline, MAXLINE)) > 0) {
  recvline[n] = ‘\0‘;
  printf("%s\n", recvline);
  }
  return n;
  }

/**

• • 查账户余额
• /
  ssize_t get_balance(char un, char pw)
  {
  char params[MAXPARAM + 1];
  char cp = params;

  sprintf(cp,"un=%s&pw=%s", un, pw);

  return http_post(query_balance_uri, cp);
  }

/**

• • 发送短信
• /
  ssize_t send_sms(char un, char pw, char phone, char msg)
  {
  char params[MAXPARAM + 1];
  char cp = params;

  sprintf(cp,"un=%s&pw=%s&phone=%s&msg=%s&rd=1", un, pw, phone, msg);    

  return http_post(send_sms_uri, cp);
  }

int main(void)
{
struct sockaddr_in servaddr;
char str[50];

//建立socket连接
sockfd = socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_addr.s_addr = inet_addr(hostname);
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(80);
inet_pton(AF_INET, str, &servaddr.sin_addr);
connect(sockfd, (SA *) & servaddr, sizeof(servaddr));

    char *un = "账号";
    char *pw = "密码";
    char *phone = "手机号";
    //必须带签名
    char *msg = "【253云通讯】您的验证码是123400";

//get_balance(un, pw);
send_sms(un, pw, phone, msg);
close(sockfd);
exit(0);

}

除了C/C++之外，还有其他语言（JAVA/PHP/ASP等）的demo
可自行下载： www.253.com/?did=168

原文地址：http://blog.51cto.com/13750674/2120331