常用js公共函数集
import { Button, message , modal } from 'ant-design-vue';
import { settlementStatusList,payTypeList } from '@/utils/state'
export function timeFix() {
const time = new Date()
const hour = time.getHours()
return hour < 9 ? '早上好' : hour <= 11 ? '上午好' : hour <= 13 ? '中午好' : hour < 20 ? '下午好' : '晚上好'
}
/**
* 触发 window.resize
*/
export function triggerWindowResizeEvent() {
const event = document.createEvent('HTMLEvents')
event.initEvent('resize', true, true)
event.eventType = 'message'
window.dispatchEvent(event)
}
export function handleScrollHeader(callback) {
let timer = 0
let beforeScrollTop = window.pageYOffset
callback = callback || function () { }
window.addEventListener(
'scroll',
event => {
clearTimeout(timer)
timer = setTimeout(() => {
let direction = 'up'
const afterScrollTop = window.pageYOffset
const delta = afterScrollTop - beforeScrollTop
if (delta === 0) {
return false
}
direction = delta > 0 ? 'down' : 'up'
callback(direction)
beforeScrollTop = afterScrollTop
}, 50)
},
false
)
}
//检测ie
export function isIE() {
const bw = window.navigator.userAgent
const compare = (s) => bw.indexOf(s) >= 0
const ie11 = (() => 'ActiveXObject' in window)()
return compare('MSIE') || ie11
}
export function removeLoadingAnimate(id = '', timeout = 1500) {
if (id === '') {
return
}
setTimeout(() => {
document.body.removeChild(document.getElementById(id))
}, timeout)
}
//对象转formdata格式
export function objToFormData(config) {
let formData = new FormData();
let obj = config.data;
let arrayKey = config.arrayKey;
for (var i in obj) {
if (Array.isArray((obj[i]))) {
obj[i].map(item => {
if (!arrayKey) {
formData.append(i, item)
} else {
formData.append(i + '[]', item)
}
})
} else {
formData.append(i, obj[i])
}
}
return formData;
}
/获取时间yydd
export const getDateFormat = (date) => {
var y = date.getFullYear();
var m = date.getMonth() + 1;
m = m < 10 ? ('0' + m) : m;
var d = date.getDate();
d = d < 10 ? ('0' + d) : d;
var h = date.getHours();
h = h < 10 ? ('0' + h) : h;
var minute = date.getMinutes();
var second = date.getSeconds();
minute = minute < 10 ? ('0' + minute) : minute;
second = second < 10 ? ('0' + second) : second;
return {
'ymd': y + '-' + m + '-' + d,
'ymdhm': y + '-' + m + '-' + d + ' ' + h + ':' + minute,
}
}
//获取html字符串中的内容 编辑器内容
export const htmlToText = (data) => {
return data.replace(/<(style|script|iframe)[^>]*?>[\s\S]+?<\/\1\s*>/gi, '').replace(/<[^>]+?>/g, '').replace(/\s+/g, ' ').replace(/ /g, ' ').replace(/>/g, ' ');
}
//去掉对象中属性为空的属性 0要特殊处理 默认为false
export const getObjNotEmptyAttr = (afferentObj = {}) => {
let carTypeAllQuery = {};
Object.keys(afferentObj).forEach((item) => {
if (afferentObj[item] !== null && afferentObj[item] !== undefined && afferentObj[item] !== '' && afferentObj[item] !==false) {
console.log(item,'item')
carTypeAllQuery[item] = afferentObj[item]
}
})
return carTypeAllQuery
}
//数组去重
export const getArrDuplicate = (arr = []) => {
let getArr = new Set(arr)
return Array.from(getArr);
}
/删除数组指定下标元素
export const deleteArrIndex = (arr = [], index, num) => {
// let getArr = new Set(arr)
let newArr = arr;
newArr.splice(index, num);
return newArr;
}
//邮箱校验
export function isEmail(s) {
return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}
//手机号校验
export function isMobile(mobile) {
// var index1 = mobile.substring(0, 1);
// var index2 = mobile.substring(0, 2);
// if (index2 == '11' || index2 == '12' || index1 !== '1' || mobile.length !== 11) {
// return false;
// } else {
// return true;
// }
let getMobile = parseInt(getMobile);
if (7 <= getMobile.length <= 13) {
return true
} else {
return false
}
}
/数组校验
export function isArray(arr) {
return Array.isArray(arr);
}
//截取地址 isCutoutAddress('', '/')
export function isCutoutAddress(str, mark) {
if (str.indexOf(mark) >= 0) {
let getArr = str.split(mark);
return {
getArr,
length: getArr.length
}
}
return false
}
//判断为空值 Array Object Number String
export function isEmpty(obj) {
if (!obj) {
return true;
}
//检验null和undefined
if (!obj && obj !== 0 && obj !== '') {
return true;
}
//检验数组
if (Array.prototype.isPrototypeOf(obj) && obj.length === 0) {
return true;
}
//检验对象
if (Object.prototype.isPrototypeOf(obj) && Object.keys(obj).length === 0) {
return true;
}
return false;
}
// 下载excel文件; 参数name是文件名称，res是后端返回的数据
export function downloadExcel(name, res) {
const fileName = name + '.xls' //表格名字
if ('download' in document.createElement('a')) {
// console.log('aaaaaaaaaaaaaaaaaaaa')
// 非IE下载
const blob = new Blob([res], { type: 'application/ms-excel' }) // 解析后端返回的乱码vnd.ms-excel
const elink = document.createElement('a')
// console.log(elink,'elink值')
elink.download = fileName //定义下载名字
elink.style.display = 'none' // 决定是否隐藏
elink.href = URL.createObjectURL(blob)
document.body.appendChild(elink)
elink.click()
URL.revokeObjectURL(elink.href) // 释放URL 对象
document.body.removeChild(elink)
}
}
//下载图片
export function downloadImg(imgsrc, name){
console.log('imgsrc, name')
console.log(imgsrc, name)
let image = new Image();
// 解决跨域 Canvas 污染问题
image.setAttribute("crossOrigin", "anonymous");
image.onload = function() {
let canvas = document.createElement("canvas");
canvas.width = image.width;
canvas.height = image.height;
let context = canvas.getContext("2d");
context.drawImage(image, 0, 0, image.width, image.height);
let url = canvas.toDataURL("image/png"); //得到图片的base64编码数据
let a = document.createElement("a"); // 生成一个a元素
let event = new MouseEvent("click"); // 创建一个单击事件
a.download = name || "photo"; // 设置图片名称
a.href = url; // 将生成的URL设置为a.href属性
a.dispatchEvent(event); // 触发a的单击事件
};
image.src = imgsrc;
}
//下载文件
export function downloadFile(link, name) {
console.log(link, name)
const x = new XMLHttpRequest();
x.open('GET', link, true);
x.responseType = 'blob';
x.onload = function () {
const url = window.URL.createObjectURL(x.response);
const a = document.createElement('a');
a.href = url;
a.download = name || '';
a.click();
};
x.send();
}
//检测数组为空
export function isArrNotEmpty(arr) {
if(arr&&arr.length>0){
return true
}
return false
}
// children 属性为空 设置为undefined
export function resetChildren(data) {
const that = this
data.forEach((element) => {
if (element.children && element.children.length > 0) {
resetChildren(element.children)
} else {
element.children = undefined
}
})
return data
}
//获取匹配的对象
export function getMatchObj(matchval,matchAtrr,matchArr=[]) {
return matchArr.filter((item)=>{
return matchval==item[matchAtrr]
})
}
/判断数组里是否有相同的值
export function isEqualVal(val,arr=[]) {
let result=arr.filter((item)=>{
return val==item
})
if(result.length>0){
return true
}
return false
}
// 字符串数组互转数字数组 时间比较紧 不自动判断类型 先写死
export function arrTypeTransform(arr,type) {
if(type='Number'){
return arr.map(Number)
}else if(type='String'){
return arr.map(String)
}
}
// 去掉字符串空格
export function strTrim(str) {
return str.trim()
}
// 判断是否是 空字符 和 null 和 undefined 和 NaN
export function isCheckVal(val) {
if(val===0||val===''||val===null||val===undefined||val===NaN){
return false
}
return true
}
export const debounce= (func, wait) => {
var timeout;
return function () {
var context = this;
var args = arguments;
clearTimeout(timeout)
timeout = setTimeout(function(){
func.apply(context, args)
}, wait);
}
};
// 节流
export const throttle = (fn, wait) => {
let canRun = true; // 通过闭包保存一个标记
return function () {
if (!canRun) return; // 在函数开头判断标记是否为true，不为true则return
canRun = false; // 立即设置为false
setTimeout(() => { // 将外部传入的函数的执行放在setTimeout中
fn.apply(this, arguments);
// 最后在setTimeout执行完毕后再把标记设置为true(关键)表示可以执行下一次循环了。当定时器没有执行的时候标记永远是false，在开头被return掉
canRun = true;
}, wait);
};
}
// 节流时间范围
export const throttleTime=1000;
//获取搜索条件时间
export function getSearchTime(dateArr) {
let dateStr1=new Date(dateArr[0]);
let dateStr2=new Date(dateArr[1]);
// let startDate=Date.parse(dateStr1.getFullYear()+'-'+(dateStr1.getMonth()+1)+'-'+dateStr1.getDate()+' 00:00:00')
// let endDate=Date.parse(dateStr2.getFullYear()+'-'+(dateStr2.getMonth()+1)+'-'+dateStr2.getDate()+' 00:00:00')
let startDate= dateStr1.getFullYear()+'-'+(dateStr1.getMonth()+1)+'-'+dateStr1.getDate()+' 00:00:00'
let endDate=dateStr2.getFullYear()+'-'+(dateStr2.getMonth()+1)+'-'+dateStr2.getDate()+' 23:59:59'
return {
startDate,
endDate
}
}
