101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
#include <dsm/utility.h>
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namespace UtilityTools {
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TimePoint time_point2zero(TimePoint time_point) {
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return second_zero2time_point(time_point2second_zero(time_point));
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}
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int time_point2second_zero(TimePoint time_point) {
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int seconds = (time_point.time_since_epoch().count()) / (size_t)pow(10, 9);
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return 86400 * (int)((seconds + 28800) / 86400) - 28800;
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}
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TimePoint second_zero2time_point(int seconds) {
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auto st_s = std::chrono::seconds(seconds);
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auto time_date =
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std::chrono::time_point<std::chrono::system_clock, std::chrono::seconds>(
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st_s);
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return time_date;
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}
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TimePoint millsecond_zero2time_point(int64_t millseconds) {
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auto st_s = std::chrono::milliseconds(millseconds);
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auto time_date = std::chrono::time_point<std::chrono::system_clock,
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std::chrono::milliseconds>(st_s);
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return time_date;
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}
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int diff_days(TimePoint stime, TimePoint etime) {
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return std::chrono::duration_cast<days>(etime - stime).count();
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}
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TimePoint string2TimePoint(std::string time_str, const std::string &fmt) {
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std::tm tm = {};
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std::stringstream ss(time_str);
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ss >> std::get_time(&tm, fmt.c_str());
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return std::chrono::system_clock::from_time_t(std::mktime(&tm));
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}
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int save_json_file(std::string path_ruleid, std::string file_name_date,
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nlohmann::json content, std::string root_dir) {
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try {
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// 将 JSON 对象写入文件
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std::string file_path = root_dir + "/" + path_ruleid;
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std::string file_name = file_path + "/" + file_name_date + ".json";
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if (fs::exists(file_name)) {
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return 1;
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}
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if (create_path(file_path)) {
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std::ofstream ofs(file_name); // 创建文件输出流对象，打开文件 "data.json"
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ofs << content.dump(4); // 将 JSON 内容以字符串形式（带4空格缩进）写入文件
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ofs.close(); // 关闭文件
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return 0;
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}
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return -1;
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} catch (const std::exception &e) {
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throw;
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return -1;
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}
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}
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bool jsonReader(std::string file_path, json &sjson) {
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// 1. 创建文件流并打开文件
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std::ifstream file(file_path);
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if (!file.is_open()) {
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return false;
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}
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// 2. 解析JSON数据
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try {
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file >> sjson; // 方式1: 直接使用流操作符解析文件
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// 也可以使用显式解析: jsonData = json::parse(file);
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} catch (const std::exception &e) {
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file.close();
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return false;
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}
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// 3. 关闭文件
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file.close();
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return true;
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}
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bool create_path(std::string path) {
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try {
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// 检查路径是否存在
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if (!fs::exists(path)) {
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// 递归创建所有不存在的目录
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return fs::create_directories(path);
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}
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} catch (const fs::filesystem_error &e) {
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// 捕获并输出文件系统操作中的异常
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throw;
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return false; // 返回非零值表示错误
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}
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}
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bool is_file_exists(std::string file_path){
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return fs::exists(file_path);
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}
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} // namespace UtilityTools
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