export const getStrFullLength = (str = '') => str.split('').reduce((pre, cur) => { const charCode = cur.charCodeAt(0) if (charCode >= 0 && charCode <= 128) { return pre + 1 } return pre + 2 }, 0) export const cutStrByFullLength = (str = '', maxLength) => { let showLength = 0 return str.split('').reduce((pre, cur) => { const charCode = cur.charCodeAt(0) if (charCode >= 0 && charCode <= 128) { showLength += 1 } else { showLength += 2 } if (showLength <= maxLength) { return pre + cur } return pre }, '') }