#include <stdio.h>#include <stdlib.h>#include <curl/curl.h>#include <string.h>#define MAX_BUF 65536#define BASE_URL "http://api.duanxin.com:7891/mt"char * get_sms_url();char wr_buffer[MAX_BUF+1]; int wr_index = 0; int main(void){ //APIKey(接口账号) char *username = "2288**0010"; //APISecret(接口密钥) char *password = "ae2600e9456f5b0b3ab8"; //接受短信的手机号 char *mobile = "15100000000"; //短信内容(【签名】+短信内容),发送短信需要预先申请报备短信签名,控制台>接口短信>签名报备 char *message = "【短信网】您的验证码是:5289"; char *sms_url = get_sms_url(username, password, mobile, message); //printf("%s\n", sms_url); send_sms_request(sms_url); //打印返回结果 printf("%s\n", wr_buffer); free(sms_url); sms_url = NULL; return 0;}size_t write_data(void *buffer, size_t size, size_t nmemb, void *userp){ int segsize = size * nmemb; if (wr_index + segsize > MAX_BUF) { *(int *)userp = 1; return 0; } memcpy((void *)&wr_buffer[wr_index], buffer, (size_t)segsize); wr_index += segsize; wr_buffer[wr_index] = 0; return segsize; }int send_sms_request(char *sms_url){ CURL *curl; CURLcode res; struct curl_slist *headers = NULL; headers = curl_slist_append(headers, "Accept: application/json, text/plain, */*"); curl = curl_easy_init(); if (curl) { curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); curl_easy_setopt(curl, CURLOPT_URL, sms_url); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data); curl_easy_setopt(curl, CURLOPT_WRITEDATA, NULL); res = curl_easy_perform(curl); if (res != CURLE_OK) { printf("%d\n", res); } curl_slist_free_all(headers); curl_easy_cleanup(curl); curl_global_cleanup(); } return res;}char* get_sms_url(char *username, char *password, char *mobile, char *message){ char *str = (char *)malloc(strlen(BASE_URL)+strlen(username)+strlen(password)+strlen(mobile)+strlen(message)+1+37); strcpy(str, BASE_URL); strcat(str, "?dc=8"); strcat(str, "&un="); strcat(str, username); strcat(str, "&pw="); strcat(str, password); strcat(str, "&da="); strcat(str, mobile); strcat(str, "&sm="); strcat(str, message); strcat(str, "&tf=3&rf=2&rd=0"); return str;}//gcc -l curl -o send_demo send_demo.c |
√ 短信接口 ：
1）短信内容一定要带签名，签名放在短信内容的最前面；
2）签名格式：【***】，签名内容为三个汉字以上(包括三个)；
3）短信内容不允许双签名，即短信内容里只有一个"【】"；
4）短信签名先申请报备后使用，控制台>接口短信>签名报备；
