fan
38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
export function isPlainObject(obj) {
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return Object.prototype.toString.call(obj) === "[object Object]";
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}
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export function isString(str) {
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return typeof str == "string";
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}
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export function isToday(time) {
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return new Date().getTime() - time < 86400000;
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}
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export function isEmpty(obj) {
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if (!obj) return true;
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if (Array.isArray(obj) && obj.length == 0) return true;
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if (isPlainObject(obj) && Object.values(obj).length == 0) return true;
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return false;
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}
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export function isUrl(str) {
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const reg =
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"^((https|http|ftp|rtsp|mms)?://)" +
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"?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" + //ftp的user@
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"(([0-9]{1,3}.){3}[0-9]{1,3}" + // IP形式的URL- 199.194.52.184
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"|" + // 允许IP和DOMAIN（域名）
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"([0-9a-z_!~*'()-]+.)*" + // 域名- www.
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"([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]." + // 二级域名
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"[a-z]{2,6})" + // first level domain- .com or .museum
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"(:[0-9]{1,4})?" + // 端口- :80
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"((/?)|" + // 如果没有文件名，则不需要斜杠
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"(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$";
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return new RegExp(reg).test(str) ? true : false;
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}
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export function isFunction(val) {
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return val && typeof val === "function";
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}
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export function isEng(val) {
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return /^[A-Za-z]+$/.test(val);
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}
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