C++對接充值接口接口DEMO示例

本文為您提供了C++語言版本的充值接口接口對接DEMO示例

//linux下的編譯：g++ ./test.cpp -o ./test
//linux下的執(zhí)行：chmod +x test &&./test

#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

extern int h_errno;

int basefd;
const char *hostname = "api.ihuyi.com";
const char *send_sms_uri = "/f/giftcard?action=buy";

/**
* 發(fā)http post請求
*/
ssize_t http_post(const char *page, const char *poststr)
{
    char sendline[MAXLINE + 1], recvline[MAXLINE + 1];
    ssize_t n;
    snprintf(sendline, MAXSUB,
        "POST %s HTTP/1.1\r\n"
        "Host: %s\r\n"
        "Content-type: application/x-www-form-urlencoded\r\n"
        "Content-length: %zu\r\n\r\n"
        "%s", page, hostname, strlen(poststr), poststr);

    write(basefd, sendline, strlen(sendline));
    while ((n = read(basefd, recvline, MAXLINE)) > 0) {
        recvline[n] = '\0';
        printf("%s", recvline);
    }
    return n;
}

int  socked_connect(const char *arg)
{
    struct sockaddr_in their_addr = {0};
    char buf[1024] = {0};
    char rbuf[1024] = {0};
    char pass[128] = {0};
    struct hostent *host = NULL;
    int sockfd = socket(AF_INET, SOCK_STREAM, 0);
    if(sockfd<0)
    {
        printf ("create the sockfd is failed\n");
        return -1;
    }
    if((host = gethostbyname(arg))==NULL)
    {
        printf("Gethostname error: %s\n", hstrerror(h_errno));
        return -1;
    }
    memset(&their_addr, 0, sizeof(their_addr));
    their_addr.sin_family = AF_INET;
    their_addr.sin_port = htons(80);
    their_addr.sin_addr = *((struct in_addr *)host->h_addr);
    if(connect(sockfd,(struct sockaddr *)&their_addr, sizeof(struct sockaddr)) < 0)
    {
        close(sockfd);
        return  -1;
    }
    printf ("connect is success\n");
    return sockfd;
}

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

    #if 0
    //建立socket連接
    sockfd = socket(AF_INET, SOCK_STREAM, 0);
    bzero(&servaddr, sizeof(servaddr));
    servaddr.sin_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));
    #endif

    if((basefd= socked_connect(hostname))==-1)
    {
        printf("connect is failed\n");
        return -1;
    }
    printf("basefd is =%d\n",basefd);

    const char *username = "123456"; //API ID
    const char *mobile = "130*******"; //手機(jī)號
    const char *orderid = "DD20253995959"; //商家訂單ID
    const char *productid = "k111-1"; //產(chǎn)品ID
    const char *buynum = "1"; //購買數(shù)量-固定數(shù)量1
    const char *timestamp = "20240321150546"; //時(shí)間戳格式如:yyyyMMddHHmmss 允許 10分鐘統(tǒng)一以東 8 時(shí)間
    const char *sign = "81ed625f338277f1bd7f27b9339e302c"; //簽名

    char params[MAXPARAM + 1];
    char *cp = params;
    snprintf(cp, MAXPARAM + 1, "username=%s&mobile=%s&orderid=%s&productid=%s&buynum=%s×tamp=%s&sign=%s&s=%s", username,mobile,orderid,productid,buynum,timestamp,sign, "s");
    http_post(send_sms_uri, cp);

    printf("send the message is success\n");
    close(basefd);
    exit(0);
}