C++中Boost库安装使用指南(VS2022 + vcpkg）

# 管理员权限打开PowerShell
cd C:\vcpkg
.\vcpkg install boost-system:x64-windows boost-filesystem:x64-windows boost-date-time:x64-windows

#include <iostream>
#include <fstream>
#include <boost/filesystem.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>

namespace fs = boost::filesystem;
namespace pt = boost::posix_time;

void print_directory(const fs::path& dir) {
    try {
        if (fs::exists(dir)) {
            std::cout << "目录内容: " << dir << "\n";
            for (const auto& entry : fs::directory_iterator(dir)) {
                std::cout << "  " << entry.path().filename() << std::endl;
            }
        }
    }
    catch (const fs::filesystem_error& e) {
        std::cerr << "文件系统错误: " << e.what() << std::endl;
    }
}

int main() {
    // 1. 文件系统操作
    fs::path current_dir = fs::current_path();
    std::cout << "当前工作目录: " << current_dir << "\n\n";

    // 创建测试目录
    fs::create_directories("test_dir/data");
    std::ofstream("test_dir/sample.txt") << "Boost测试文件";

    // 列出目录内容
    print_directory("test_dir");

    // 2. 日期时间操作
    pt::ptime now = pt::second_clock::local_time();
    pt::time_duration td = now.time_of_day();

    std::cout << "\n当前时间: "
        << now.date().year() << "-"
        << std::setw(2) << std::setfill('0') << now.date().month().as_number() << "-"
        << std::setw(2) << now.date().day() << " "
        << td.hours() << ":" << td.minutes() << ":" << td.seconds()
        << std::endl;

    // 3. 路径操作演示
    fs::path p("test_dir/data/file.dat");
    std::cout << "\n路径分解演示:\n"
        << "根目录: " << p.root_name() << "\n"
        << "相对路径: " << p.relative_path() << "\n"
        << "父目录: " << p.parent_path() << "\n"
        << "文件名: " << p.filename() << std::endl;

    // 清理测试目录
    fs::remove_all("test_dir");

    return 0;
}

# 安装静态库版本
vcpkg install boost-system:x64-windows-static