105 lines
2.2 KiB
JavaScript
105 lines
2.2 KiB
JavaScript
// 获取路由URL参数
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function urlSearch(parmas) {
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let href = window.location.href
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let query = href.substring(href.indexOf('?')+1);
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let vars = query.split("&");
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for (var i = 0; i < vars.length; i++) {
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let pair = vars[i].split("=");
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if(pair[0] == parmas){
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return pair[1];
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}
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}
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}
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// 深拷贝
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function deepClone(obj){
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let objClone = Array.isArray(obj)?[]:{};
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if(obj && typeof obj === "object"){
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for(key in obj){
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if(obj.hasOwnProperty(key)){
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// 判断ojb子元素是否为对象，如果是，递归复制
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if(obj[key] && typeof obj[key] === "object"){
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objClone[key] = deepClone(obj[key]);
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}else{
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// 如果不是，简单复制
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objClone[key] = obj[key];
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}
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}
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}
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}
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return objClone;
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}
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// 防抖
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function _debounce(fn, delay = 300) {
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var timer = null;
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return function () {
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var _this = this;
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var args = arguments;
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if (timer) clearTimeout(timer);
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timer = setTimeout(function () {
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fn.apply(_this, args);
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}, delay);
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};
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}
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// 节流
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function _throttle(fn,delay = 1000){
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var lastTime, timer, delay;
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return function(){
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var _this = this;
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var args = arguments;
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var nowTime = Date.now();
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if(lastTime && nowTime - lastTime < delay){
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if (timer) clearTimeout(timer);
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timer = setTimeout(function(){
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lastTime = nowTime;
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fn.apply(_this,args);
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},delay)
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}else{
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lastTime = nowTime;
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fn.apply(_this,args);
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}
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}
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}
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/*
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* 下划线转换驼峰
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*/
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function underlineToHump(str) {
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// 如果首字母是_，执行 replace 时会多一个_，这里需要去掉
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if(str.slice(0,1) === '_'){
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str = str.slice(1);
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}
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return str.replace(/([^_])(?:_+([^_]))/g, function ($0, $1, $2) {
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return $1 + $2.toUpperCase();
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});
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}
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/*
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* 驼峰转换下划线
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*/
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function humpToUnderline(str) {
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let temp = str.replace(/[A-Z]/g, function (match) {
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return "_" + match.toLowerCase();
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});
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// 如果首字母是大写，执行replace时会多一个_，这里需要去掉
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if(temp.slice(0,1) === '_'){
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temp = temp.slice(1);
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}
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return temp;
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}
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export{
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urlSearch,
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deepClone,
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_debounce,
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_throttle,
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underlineToHump,
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humpToUnderline,
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}
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