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#include<iostream>
#include<string>
#include<stdio.h>
#include"boost/asio.hpp"
#include<fstream>
#include<boost\algorithm\string.hpp>
//引入namespace
using namespace boost;
using namespace std;
using boost::asio::ip::tcp;
//引入namespace
/// GET请求
string PostRequest(string host, string path,string form)
{
long length = form.length();
// 声明Asio基础: io_service(任务调度机)
boost::asio::io_service io_service;
// 获取服务器终端列表
tcp::resolver resolver(io_service);
tcp::resolver::query query(host, "http");
tcp::resolver::iterator iter = resolver.resolve(query);
// 尝试连接每一个终端,直到成功建立socket连接
tcp::socket socket(io_service);
boost::asio::connect(socket, iter);
// 构建网络请求头
// 指定 "Connection: close" 在获取应答后断开连接,确保获文件全部数据。
boost::asio::streambuf request;
ostream request_stream(&request);
request_stream << "POST " << path << " HTTP/1.1\r\n";
request_stream << "Host: " << host << "\r\n";
request_stream << "Accept: */*\r\n";
request_stream << "Content-Type:application/x-www-form-urlencoded\r\n";
request_stream << "Content-Length: " << length << "\r\n";
request_stream << "Connection: close\r\n\r\n"; // 注意这里是两个空行
request_stream << form; //POST 发送的数据本身不包含多于空行
// 发送请求
boost::asio::write(socket, request);
// 读取应答状态. 应答缓冲流 streambuf 会自动增长至完整的行
// 该增长可以在构造缓冲流时通过设置最大值限制
boost::asio::streambuf response;
boost::asio::read_until(socket, response, "\r\n");
// 检查应答是否OK.
istream response_stream(&response);// 应答流
string http_version;
response_stream >> http_version;
unsigned int status_code;
response_stream >> status_code;
string status_message;
getline(response_stream, status_message);
if (!response_stream || http_version.substr(0, 5) != "HTTP/")
{
printf("无效响应\n");
}
if (status_code != 200)
{
printf("响应返回 status code %d\n", status_code);
}
// 读取应答头部,遇到空行后停止
boost::asio::read_until(socket, response, "\r\n\r\n");
// 显示应答头部
string header;
int len = 1;
while (getline(response_stream, header) && header != "\r" && header !="\r\n")
{
/*if (header.find("Content-Length: ") == 0) {
stringstream stream;
stream << header.substr(16);
stream >> len;
}*/
}
long size = response.size();
if (size > 0) {
// .... do nothing
}
// 循环读取数据流,直到文件结束
boost::system::error_code error;
while (boost::asio::read(socket, response, boost::asio::transfer_at_least(1), error))
{
// 获取应答长度
size = response.size();
if (len != 0) {
cout << size << " Byte " << (size * 100) / len << "%\n";
}
}
if (error != boost::asio::error::eof)
{
throw boost::system::system_error(error);
}
// 将streambuf类型转换为string类型返回
istream is(&response);
is.unsetf(ios_base::skipws);
string sz;
sz.append(istream_iterator<char>(is), istream_iterator<char>());
// 返回转换后的字符串
return sz;
}
int main()
{
cout << PostRequest("task.browser.360.cn", "/online/setpoint", "stamp=1485856383&qt=Q%3Du%3D%25O4%25S3%25OQ%25N1008%26n%3D%25O4%25S3%25OQ%25N1008%26le%3DqvH0ZUMeMKVhL2Z%3D%26m%3DZGt4WGWOWGWOWGWOWGWOWGWOZQN3%26qid%3D49871531%26im%3D1%5Ft01281fc12930368b13%26src%3D360se%26t%3D1%0D%0AT%3Ds%3D0a9351aa131bc7b8dd23726e3ebdafad%26t%3D1483137678%26lm%3D%26lf%3D1%26sk%3D6f360194503d7fff701e6bfab6645364%26mt%3D1483137678%26rc%3D1%26v%3D2%2E0%26a%3D1&verify=86f47277614701445350a48e4182a076");
getchar();
return 0;
}