Question

I m 寻求一种解决办法,根据位于 Java的时区确定用户国家,而不依靠IP到地点的服务,如最大化、先登记或排位。目标是利用<条码>实时<<><>条码>图书馆,向各国绘制时间区图,并在没有相匹配的情况下将时间区或原始时间区归还。

Answer 1

为了做到这一点,不利用IP-地点服务,以下代码利用<条码——实时

// Import the moment-timezone library
const moment = require( moment-timezone );

/**
 * Get the user s country based on their time zone.
 * @param {string} userTimeZone - The user s time zone.
 * @returns {string} The user s country or the original time zone if not found.
 */
function getCountryByTimeZone(userTimeZone) {
  // Get a list of countries from moment-timezone
  const countries = moment.tz.countries();

  // Iterate through the countries and check if the time zone is associated with any country
  for (const country of countries) {
    const timeZones = moment.tz.zonesForCountry(country);

    if (timeZones.includes(userTimeZone)) {
      // Use Intl.DisplayNames to get the full country name
      const countryName = new Intl.DisplayNames([ en ], { type:  region  }).of(country);
      return countryName;
    }
  }

  // Return the original time zone if no matching country is found
  return userTimeZone;
}

// Example usage
const userTimeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;
const userCountry = getCountryByTimeZone(userTimeZone);
console.log( User country based on time zone: , userCountry);

Usage:

Copy and paste the provided code into your JavaScript environment.
Call the getCountryByTimeZone function with the user s time zone to retrieve the user s country.
The function returns either the matching country or the original time zone if no match is found.

Note:

Make sure to have the moment-timezone library installed in your project.
The accuracy of the result depends on the completeness and accuracy of the time zone data provided by the library.

Usage:

Note:

友情链接