javascript,通过IP查询国家代码,显示国旗图标
C#
fetch(`http://ip-api.com/json/IP地址`).then(async (response) => { try { const json = await response.json(); const flagUrl = `https://unpkg.com/flag-icons@7.2.3/flags/4x3/${json.countryCode.toLowerCase()}.svg`; } catch (e) { }}).catch(() => {});

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