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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | 1x 9x 1x 8x 8x 1x | /* eslint-disable no-control-regex */ /** * 获取字符串长度,一个中文算2个字符 * @method byteLength * @param {String} str 要计算长度的字符串 * @return {Number} 字符串长度 * @example * import { byteLength } from '@spore-ui/tskit'; * byteLength('中文cc'); // 6 */ export function byteLength(str: string): number { let aMatch = null; if (!str) { return 0; } aMatch = str.match(/[^\x00-\xff]/g); return (str.length + (!aMatch ? 0 : aMatch.length)); } export default byteLength; |