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