From 9860e221460a0a4ac1903dad2c97160d0eed0e63 Mon Sep 17 00:00:00 2001
From: long <515897141@qq.com>
Date: 星期五, 03 三月 2023 10:59:42 +0800
Subject: [PATCH] 初始化
---
src/utils/fn.js | 333 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 333 insertions(+), 0 deletions(-)
diff --git a/src/utils/fn.js b/src/utils/fn.js
new file mode 100644
index 0000000..57a8364
--- /dev/null
+++ b/src/utils/fn.js
@@ -0,0 +1,333 @@
+/*
+ * @Author: 涓橀獜_jun
+ * @Date: 2019-11-21 10:59:17
+ * @Last Modified by: 涓橀獜_jun
+ * @Last Modified time: 2019-12-30 16:29:45
+ */
+// 閫氱敤function锛岄�氳繃鍏ㄥ眬瀹夎锛屾垨import寮曠敤璋冪敤
+
+let scrollBarWidth // 婊氬姩鏉″搴�
+// 鑾峰彇娴忚鍣ㄦ粴鍔ㄦ潯瀹藉害
+function getScrollBarWidth () {
+ if (scrollBarWidth !== undefined) return scrollBarWidth;
+
+ const outer = document.createElement('div');
+ outer.className = 'el-scrollbar__wrap';
+ outer.style.visibility = 'hidden';
+ outer.style.width = '100px';
+ outer.style.position = 'absolute';
+ outer.style.top = '-9999px';
+ document.body.appendChild(outer);
+
+ const widthNoScroll = outer.offsetWidth;
+ outer.style.overflow = 'scroll';
+
+ const inner = document.createElement('div');
+ inner.style.width = '100%';
+ outer.appendChild(inner);
+
+ const widthWithScroll = inner.offsetWidth;
+ outer.parentNode.removeChild(outer);
+ scrollBarWidth = widthNoScroll - widthWithScroll;
+
+ return scrollBarWidth;
+}
+// 鑾峰彇鏈�杩戞牱寮�
+// function getCurrentStyle (obj, prop) {
+// if (obj.currentStyle) {
+// return obj.currentStyle[prop];
+// } else if (window.getComputedStyle) {
+// prop = prop.replace(/([A-Z])/g, "-$1");
+// prop = prop.toLowerCase();
+// return document.defaultView.getComputedStyle(obj, null)[prop];
+// }
+// return null;
+// }
+// // 鍒ゆ柇鏄惁鏈夋粴鍔ㄦ潯
+// function hasScrollBar (obj) {
+// return getCurrentStyle(obj, 'overflow') == 'hidden'
+// ? 0
+// : document.body.scrollHeight > (window.innerHeight || document.documentElement.clientHeight);
+// }
+
+// 鏃ユ湡鏍煎紡鍖�
+Date.prototype.format = function(format){
+ var o = {
+ "M+" : this.getMonth()+1, //month
+ "d+" : this.getDate(), //day
+ "H+" : this.getHours(), //hour
+ "m+" : this.getMinutes(), //minute
+ "s+" : this.getSeconds(), //second
+ "q+" : Math.floor((this.getMonth()+3)/3), //quarter
+ "S" : this.getMilliseconds() //millisecond
+ };
+
+ if(/(y+)/.test(format)) {
+ format = format.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));
+ }
+
+ for(var k in o) {
+ if(new RegExp("("+ k +")").test(format)) {
+ format = format.replace(RegExp.$1, RegExp.$1.length==1 ? o[k] : ("00"+ o[k]).substr((""+ o[k]).length));
+ }
+ }
+ return format;
+};
+
+// 娑堥櫎瀛楃涓插浣欑┖鏍�
+if (!String.prototype.trim) {
+ String.prototype.trim = function () {
+ return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
+ };
+}
+
+/**
+ * 鑾峰彇鏈湴缂撳瓨 localStorage
+ * @param {string} key storage 鏍囪
+ * @return {*} 鍊�
+ */
+function getLocalStorage(key){
+ if (!key) {
+ return
+ }
+ var result = localStorage.getItem(key) || ''
+ try {
+ result = JSON.parse(result)
+ } catch(e) {
+
+ }
+ return result
+}
+
+/**
+ * 鑾峰彇鏈湴缂撳瓨 sessionStorage
+ * @param {string} key storage 鏍囪
+ * @return {*} 鍊�
+ */
+function getSessionStorage(key){
+ var result = sessionStorage.getItem(key) || ''
+ try {
+ result = JSON.parse(result)
+ } catch(e) {
+
+ }
+ return result
+}
+
+/**
+ * 淇濆瓨鏈湴缂撳瓨 localStorage
+ * @param {string} key storage 鏍囪
+ * @param {*} value 鍊�
+ */
+function setLocalStorage(key, value){
+ if (typeof value === 'object') {
+ value = JSON.stringify(value)
+ }
+ localStorage.setItem(key, value)
+}
+
+/**
+ * 淇濆瓨鏈湴缂撳瓨 sessionStorage
+ * @param {string} key storage 鏍囪
+ * @param {*} value 鍊�
+ */
+function setSessionStorage(key, value){
+ if (typeof value === 'object') {
+ value = JSON.stringify(value)
+ }
+ sessionStorage.setItem(key, value)
+}
+
+/**
+ * 绉婚櫎鏈湴缂撳瓨 localStorage
+ * @param {string} key storage 鏍囪
+ */
+function removeLocalStorage(key){
+ localStorage.removeItem(key)
+}
+
+/**
+ * 绉婚櫎鏈湴缂撳瓨 sessionStorage
+ * @param {string} key storage 鏍囪
+ */
+function removeSessionStorage(key){
+ sessionStorage.removeItem(key)
+}
+
+/**
+ * 杈撳叆鐨勪环鏍奸檺鍒跺湪涓や綅灏忔暟
+ * @param {string} number 浠锋牸
+ * @return {string} 杩囨护鍚庣殑浠锋牸
+ */
+function toFixed2 (number) {
+ number += ''
+ if (number == '') {
+ return ''
+ }
+ if (isNaN(number)) {
+ return ''
+ }
+
+ if (number.indexOf('.')>-1) {
+ var arr = number.split('.')
+ if (arr[1].length>2) {
+ arr[1] = arr[1].substring(0, 2)
+ }
+ number = arr[0] + '.' + arr[1]
+ return number
+ }
+
+ return number
+}
+/**
+ * 浠锋牸杞紝鍒嗭紝涓哄崟浣�
+ * @param {string|number} price
+ */
+function amountFen (price) {
+ return parseInt(price*100)
+}
+
+/**
+ * 鑾峰彇鏌ヨ瀛楃涓�
+ * @param {string} name
+ * @param {string} url 榛樿 location.href
+ */
+function getQueryString(name, url){
+ url = url || location.href
+
+ url = url.replace(/\#\S*/g, '')
+
+ var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
+ var r = /\?/.test(url) && url.split('?')[1].match(reg);
+ if(r != null) {
+ return r[2];
+ }
+ return "";
+}
+
+// 鍏ㄥ眬缂撳瓨
+var g_el = null
+/**
+ * 缁戝畾div婊氬姩鍒板簳閮�
+ * @param {dom} el
+ * @param {function} callback
+ */
+function onReachBottom (el, callback) {
+ let offsetHeight = el.offsetHeight || window.outerHeight
+ let isWindow = el === window
+ g_el = el
+
+ el.onscroll = ()=>{
+ let scrollTop = isWindow ? document.documentElement.scrollTop : el.scrollTop
+ let scrollHeight = isWindow ? document.body.scrollHeight : el.scrollHeight
+ // console.log(scrollTop, scrollHeight)
+ // console.log(offsetHeight, scrollTop, scrollHeight)
+ if ((offsetHeight + scrollTop) - scrollHeight >= -1) {
+ typeof callback === 'function' && callback()
+ }
+ }
+}
+/**
+ * 鍙栨秷缁戝畾
+ * @param {dom} el
+ */
+function offReachBottom (el) {
+ el = el || g_el
+ el.onscroll = null
+ g_el = null
+}
+/**
+ * 鐢熸垚鍞竴id
+ */
+function uuid () {
+ var s = []
+ var hexDigits = '0123456789abcdef'
+ for (var i = 0; i < 36; i++) {
+ s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1)
+ }
+ s[14] = '4';
+ s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
+
+ s[8] = s[13] = s[18] = s[23] = '-'
+ var uuid = s.join('')
+ return uuid
+}
+
+/**
+ * 鏇挎崲褰撳墠閾炬帴锛屾棤杩斿洖
+ * @param {string} href
+ */
+function urlReplace (href) {
+ if (!href) {
+ return;
+ }
+ if (href && /^#|javasc/.test(href) === false) {
+ if (history.replaceState) {
+ history.replaceState(null, document.title, href.split('#')[0] + '#');
+ location.replace(href);
+ } else {
+ location.replace(href);
+ }
+ }
+};
+
+var fn = {
+ getLocalStorage,
+ getSessionStorage,
+ setLocalStorage,
+ setSessionStorage,
+ removeLocalStorage,
+ removeSessionStorage,
+
+ // 鍒ゆ柇鏄惁鏈夋粴鍔ㄦ潯锛屽苟鑾峰彇婊氬姩瀹藉害
+ // getScrollBarWidth () {
+ // return hasScrollBar(document.body) ? getScrollBarWidth() : 0
+ // },
+ getScrollBarWidth,
+
+ toFixed2,
+ amountFen,
+
+ getQueryString,
+ onReachBottom,
+ offReachBottom,
+
+ uuid,
+ urlReplace,
+
+ /**
+ * 娣辨嫹璐�
+ * @param {object} obj 琚鍒剁殑瀵硅薄
+ * @return {object} 澶嶅埗瀹屾垚鐨勫璞�
+ */
+ deepCopyFN (obj) {
+ if (typeof obj !== 'object') {
+ return obj
+ }
+
+ let cloneObj = {}
+ switch (obj.constructor) {
+ case Array:
+ cloneObj = []
+ case Object:
+ for (var property in obj) {
+ cloneObj[property] = typeof obj[property] === 'object' ? this.deepCopyFN(obj[property]) : obj[property]
+ }
+ break
+ case Map:
+ cloneObj = new Map()
+ obj.forEach((value, key) => {
+ cloneObj.set(key, typeof value === 'object' ? this.deepCopyFN(value) : value)
+ })
+ break
+ case Set:
+ cloneObj = new Set()
+ obj.forEach(value => {
+ cloneObj.add(typeof value === 'object' ? this.deepCopyFN(value) : value)
+ })
+ break
+ }
+ return cloneObj
+ },
+}
+export default fn
\ No newline at end of file
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