libcurl 上传文件至 web服务器

测试环境搭建， 使用 wamp server （windows下的 apache+MySQL+php）

libcurl vc6 工程代码 下载地址： http://download.csdn.net/detail/mtour/8060775

处理上传文件 php 代码

[php] view plain copy







<?php

if ($_FILES["file"]["error"] > 0)

{

echo "Return Code: " . $_FILES["file"]["error"] . "<br />";

}

else

{

echo "Upload: " . $_FILES["file"]["name"] . "<br />";

echo "Type: " . $_FILES["file"]["type"] . "<br />";

echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";

echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br />";

if (file_exists("./" . $_FILES["file"]["name"]))

{

echo $_FILES["file"]["name"] . " already exists. ";

}

else

{

move_uploaded_file($_FILES["file"]["tmp_name"],

"./" . $_FILES["file"]["name"]);

echo "Stored in: " . "/" . $_FILES["file"]["name"];

}

}

?>

libcurl 代码

[cpp] view plain copy







// libCur1.cpp : Defines the entry point for the console application.

//

#include "stdafx.h"

#include <stdio.h>

#include "curl/curl.h"

#define MAX_BUFF_LEN 1048576 /*1M*/

#define POST_URL "http://10.10.1.4/d/upload.php"

int get_file_size(char *filename)

{

FILE* fp = NULL;

int nFileLen = 0;

fp = fopen(filename, "rb");

if (fp == NULL)

{

return 0;

}

fseek(fp,0,SEEK_END); //定位到文件末

nFileLen = ftell(fp); //文件长度

return nFileLen;

}

int http_post_file(const char *url, const char *filename)

{

CURL *curl = NULL;

CURLcode res;

struct curl_httppost *post=NULL;

struct curl_httppost *last=NULL;

struct curl_slist *headerlist=NULL;

if(filename == NULL || url == NULL)

return -1;

printf("URL: %s\n", url);

printf("filename: %s\n", filename);

/* Add simple file section */

if( curl_formadd(&post, &last, CURLFORM_COPYNAME, "file",

CURLFORM_FILE, filename, CURLFORM_END) != 0)

{

fprintf(stderr, "curl_formadd error.\n");

return -1;

}

/* Fill in the submit field too, even if this is rarely needed */

curl_formadd(&post, &last,

CURLFORM_COPYNAME, "submit",

CURLFORM_COPYCONTENTS, "OK",

CURLFORM_END);

//curl_global_init(CURL_GLOBAL_ALL);

curl = curl_easy_init();

if(curl == NULL)

{

fprintf(stderr, "curl_easy_init() error.\n");

curl_formfree(post);

return -1;

}

curl_easy_setopt(curl, CURLOPT_HEADER, 0);

curl_easy_setopt(curl, CURLOPT_URL, url); /*Set URL*/

curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);

int timeout = 5;

curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout);

curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);

curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 1);

res = curl_easy_perform(curl);

if(res != CURLE_OK)

{

fprintf(stderr, "curl_easy_perform[%d] error.\n", res);

curl_formfree(post);

return -1;

}

curl_easy_cleanup(curl);

return 0;

}

int main()

{

char sFilePath[128]="d:\\20130828131421113.jpg";

//Check File Size

if(get_file_size(sFilePath) >= MAX_BUFF_LEN)

{

fprintf(stderr, "File Size is Big!\n");

return -1;

}

//POST File

http_post_file(POST_URL, sFilePath);

getchar();

return 0;

}