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46 lines
1.1 KiB
46 lines
1.1 KiB
/**
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* 获取字符串的长度ascii长度为1 中文长度为2
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* @param str
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* @returns {number}
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*/
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export const getStrFullLength = (str = '') =>
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str.split('').reduce((pre, cur) => {
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const charCode = cur.charCodeAt(0)
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if (charCode >= 0 && charCode <= 128) {
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return pre + 1
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}
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return pre + 2
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}, 0)
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/**
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* 给定一个字符串和一个长度,将此字符串按指定长度截取
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* @param str
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* @param maxLength
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* @returns {string}
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*/
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export const cutStrByFullLength = (str = '', maxLength) => {
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let showLength = 0
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return str.split('').reduce((pre, cur) => {
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const charCode = cur.charCodeAt(0)
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if (charCode >= 0 && charCode <= 128) {
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showLength += 1
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} else {
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showLength += 2
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}
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if (showLength <= maxLength) {
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return pre + cur
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}
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return pre
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}, '')
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}
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// 下划线转换驼峰
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export function underLinetoHump(name) {
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return name.replace(/\_(\w)/g, function(all, letter){
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return letter.toUpperCase();
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});
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}
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// 驼峰转换下划线
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export function humptoUnderLine(name) {
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return name.replace(/([A-Z])/g,"_$1").toLowerCase();
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}
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