Some of the commonly used method of packaging in the development process, by reference
// get the current time instant
// type = 1 date, type = 2 minutes and seconds, fommatter = "-" indicates date daily - separated, or by a "/" spaced
Export function curTimeFun (type, fommatter) {
const = new new myDate a Date ();
? = const year myDate.getFullYear ()>. 9 myDate.getFullYear (): '0' + myDate.getFullYear ();
? = const month The (myDate.getMonth () +. 1)> myDate.getMonth. 9 () . 1 +: '0' + (myDate.getMonth () +. 1);
const = myDate.getDate DATE ()>. 9 myDate.getDate ():? '0' + myDate.getDate ();
const = H myDate.getHours ? ()> 9 myDate.getHours () : '0' + myDate.getHours (); // get the current number (0-23) hours
const m = myDate.getMinutes ()> 9 myDate.getMinutes (): '? 0 '+ myDate.getMinutes (); // get the current number (0-59) minutes
const s = myDate.getSeconds ()> 9 myDate.getSeconds ():?' 0 '+ myDate.getSeconds ();
let nowTime = "";
if(type == '1'){
if(fommatter == '-') {
nowTime = year + '-' + month + "-" + date;
} else {
nowTime = year + '/' + month + "/" + date;
}
} else if(type == '2'){
nowTime = h + ':' + m + ":" + s;
} else {
if(fommatter == '-') {
nowTime = year + '-' + month + "-" + date + " " + h + ':' + m + ":" + s;
} else {
nowTime = year + '/' + month + "/" + date + " " + h + ':' + m + ":" + s;
}
}
return nowTime;
}
// I Get What day am today
getWeekFun function Export () {
const WEEKDAY = [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
the let Week = new new a Date (). getDay () ;
return WEEKDAY [Week];
}
// Query n recent years, n represents the number of years before the meaning
// example query nearly 5 years, n = 4, not including this year's first four years
export function getLastNYear(n) {
const myDate = new Date;
const curYear = myDate.getFullYear();
if(n =='' || n==undefined || n == null){
n =0;
}
let rstYear = curYear*1 - n*1;
return rstYear;
}
// Query n recent months, n represents the number of months before the meaning of
getLastNMonth function Export (n-) {
const = new new myDate a Date;
const curYear myDate.getFullYear = ();
const myDate.getMonth curmonth = () +. 1; // January counting from zero. Need to add. 1
IF (n-== '' || || n-n-== undefined == null) {n-= 0;}
the let rstYear = '';
the let rstMonth = '';
IF (n-> curmonth) {// to represent the last month, year to year need to
rstYear 1-1 of * * = curYear. 1;
rstMonth = 12- (n--curmonth) + 1'd;
} the else {
rstYear = curYear;
rstMonth = -n curmonth;
}
= rstMonth (rstMonth)> rstMonth. 9: '0' + (rstMonth);?
the let rstYearMonth = rstYear + '-' + rstMonth;
return rstYearMonth;
}
// Get the most recent n days, n represents the number of days before the mean.
// example query nearly seven days, n = 6, not including the day before the six days
export function getLastNDate(n,fommatter) {
const d = new Date();
var myDate=new Date(d.getTime()-86400000*n); // 获取前n天的日期
const year = myDate.getFullYear()>9?myDate.getFullYear():'0'+myDate.getFullYear();
const month = (myDate.getMonth() + 1)>9?myDate.getMonth() + 1:'0'+(myDate.getMonth() + 1);
const date = myDate.getDate()>9?myDate.getDate():'0'+myDate.getDate();
let last7Date = '';
if(fommatter == '-') {
last7Date = year + '-' + month + "-" + date;
} else {
last7Date = year + '/' + month + "/" + date;
}
return last7Date;
}
// Get the most recent n hours, n represents the number of hours before the mean.
export function getLastNHour(n,fommatter) {
const d = new Date();
var myDate=new Date(d.getTime()-86400000*n); // 获取前n天的日期
const year = myDate.getFullYear()>9?myDate.getFullYear():'0'+myDate.getFullYear();
const month = (myDate.getMonth() + 1)>9?myDate.getMonth() + 1:'0'+(myDate.getMonth() + 1);
const date = myDate.getDate()>9?myDate.getDate():'0'+myDate.getDate();
const h = myDate.getHours()>9?myDate.getHours():'0'+myDate.getHours(); //获取当前小时数(0-23)
const m = myDate.getMinutes()>9?myDate.getMinutes():'0'+myDate.getMinutes(); //获取当前分钟数(0-59)
const s = myDate.getSeconds()>9?myDate.getSeconds():'0'+myDate.getSeconds();
let nowTime = "";
if(fommatter == '-') {
nowTime = year + '-' + month + "-" + date + " " + h + ':' + m + ":" + s;
} else {
nowTime = year + '/' + month + "/" + date + " " + h + ':' + m + ":" + s;
}
return nowTime;
}
/ * Menu tree drop prohibit choose the current item and its children, in order to prevent infinite loop * /
export function diGuiTreeEdit(item,compID) { // 编辑情况下，禁止选择当前节点及其子节点
let data = item;
let treeAry = [];
for (let i in data) {
let v = data[i];
let node = {};
if (v === null || v === undefined) {}
else {
if (v.children && v.children.length > 0) {
if (v.id == compID) {
node.isDisabled = true;
} else {
node.isDisabled = false;
}
node.id = v.id;
node.label = v.label;
node.name = v.name;
node.children = diGuiTreeEdit(v.children, compID);
treeAry.push(node);
} else {
if (v.id == compID) {
node.isDisabled = true;
} else {
node.isDisabled = false;
}
node.id = v.id;
node.label = v.label;
node.name = v.name;
treeAry.push(node);
}
}
}
return treeAry;
};
// determines whether the data is empty, return the value specified is empty, the
export function isNullORFalse(checkVal,rstVal) {
if(checkVal == '' || checkVal == null || checkVal == undefined || typeof(checkVal) == undefined){
if(rstVal == null || rstVal == ''){
rstVal = "";
}
return rstVal;
} else {
return checkVal;
}
}
// Replace All
// str represents the original string, s represents the contents to be replaced, replaceStr alternative content for
Export function repalceAll (STR, s, replaceStr = '') {
var the RegExp new new REG = (S, "G") // g, represents replace all
return str.replace (REG, ReplaceStr)
}
// number of days difference between two dates function, general time format of yyyy-MM-dd format
export function dateDiff (sDate1, sDate2) {// sDate1 are sDate2 and yyyy-MM-dd format
the let aDATE, oDate1, oDate2, iDays
aDATE = sDate1.split ( "-")
oDate1 new new = a Date (aDATE [. 1] + ' - '+ aDate [2] + ' - '+ aDate [0]) // convert yyyy-MM-dd format
aDATE = sDate2.split ( "-")
oDate2 new new = a Date (aDATE [. 1] +' - ' aDATE + [2] + '-' + aDATE [0])
iDays = the parseInt (the Math.abs (oDate1 - oDate2) / 1000/60/60/24) // converts the difference between the number of milliseconds to several days
return iDays; / / returns the number of days difference
}
// when the value is too large is that more than 9 digits (million) million Units into show
rspHundredMill function Export (Val, Unit = 'HM') {
IF (Unit == 'HM') {
IF (Val> 100000000) {// is greater than 100 million
return (val / 100000000) .toFixed ( 3) + ' one hundred million'
the else {}
return Val
}
}
}
// According to id, and the value of the id, the object traversing the list, drawn label
export function rstLabelFormID(list, id, label, idVal) {
let rsp = ''
for (let i = 0; i < list.length; i++) {
if (list[i][id] === idVal) {
rsp = list[i][label]
break
}
}
return rsp
}
// The id, and the id value, traversal list set corresponding object obtained
export function rstListFormID(list, id, idVal) {
let rsp = undefined
for (let i = 0; i < list.length; i++) {
if (list[i][id] === idVal) {
rsp = list[i]
break
}
}
return rsp
}
// Object deep copy
export function deepCopy(obj) {
var result = Array.isArray(obj) ? [] : {}
for (var key in obj) {
if (obj.hasOwnProperty(key)) {
if (typeof obj[key] === 'object' && obj[key] !== null) {
result[key] = deepCopy(obj[key])
} else {
result[key] = obj[key]
}
}
}
return result
}
// div drag to adjust the width of the left and right sides
// resizeName expressed drag the toolbar className
// className left represents the area on the left. leftWid represents a minimum width of the left
// midName className represents the right region. rightWid represents a minimum width of the right
// boxName represents className parent element of
export function dragControllerDiv (resizeName = 'resize ', leftName = 'left', midName = 'mid', boxName = 'box', leftWid = 250, rightWid = 800 ) {
var = a resize document.getElementsByClassName (resizeName);
var left = document.getElementsByClassName (leftName);
var = MID document.getElementsByClassName (midName);
var = document.getElementsByClassName Box (boxName);
for (the let I = 0; I <resize.length; I ++) {
// mouse down event
a resize [I] .onmousedown = function (E) {
var startX = e.clientX;
a resize [I] .left = a resize [I] .offsetLeft;
// mouse drag event
document.onmousemove = function (E) {
var = endX, e.clientX;
var = a resize moveLen [I] .left + (endX, - startX ); // (endx-startx) = distance moved. resize [i] .left + Final width = distance moved left area
var maxT = box [i] .clientWidth - resize [i] .offsetWidth; // container Width - width of the left area of the right area =
if (moveLen < leftWid) moveLen = leftWid; // minimum width of the left region is by 150px
IF (moveLen> maxT - rightWid) moveLen = maxT - rightWid; // minimum width of the right area 800px
a resize [I] = .style.left moveLen; // the width of the left area provided
for (the let J = 0; J <left.length; J ++) {
left [J] = moveLen through .style.width, + 'PX';
MID [J] through .style.width, = (Box [I] .clientWidth - moveLen - 10) + 'PX';
}
}
// mouse release event
document.onmouseup = function (EVT) {
document.onmousemove = null;
Document = null .onmouseup;
of a resize [i] && .releaseCapture of a resize [i] .releaseCapture (); // when you do not need to continue to get the mouse message and it should call ReleaseCapture () freed
}
of a resize [i] && .setCapture of a resize [ i] .setCapture (); // this function sets the mouse capture the specified window belonging to the current thread's
return to false;
}
}
}