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這篇文章主要介紹了微信小程序如何實(shí)現(xiàn)日期時(shí)分組件，具有一定借鑒價(jià)值，感興趣的朋友可以參考下，希望大家閱讀完這篇文章之后大有收獲，下面讓小編帶著大家一起了解一下。
如圖所示效果
第一步新建picker組件文件
1,pickerTime.js組件代碼內(nèi)容
// component/pickerTime/pickerTime.js
Component({
/**
* 組件的屬性列表
*/
properties: {
date: { // 屬性名
type: null, // 類型（必填），目前接受的類型包括：String, Number, Boolean, Object, Array, null（表示任意類型）
value: null // 屬性初始值（可選），如果未指定則會(huì)根據(jù)類型選擇一個(gè)
},
startDate: {
type: null, // 類型（必填），目前接受的類型包括：String, Number, Boolean, Object, Array, null（表示任意類型）
value: null // 屬性初始值（可選），如果未指定則會(huì)根據(jù)類型選擇一個(gè)
},
endDate: {
type: null, // 類型（必填），目前接受的類型包括：String, Number, Boolean, Object, Array, null（表示任意類型）
value: null // 屬性初始值（可選），如果未指定則會(huì)根據(jù)類型選擇一個(gè)
},
disabled: {
type: null, // 類型（必填），目前接受的類型包括：String, Number, Boolean, Object, Array, null（表示任意類型）
value: false // 屬性初始值（可選），如果未指定則會(huì)根據(jù)類型選擇一個(gè)
},
placeholder: {
type: null, // 類型（必填），目前接受的類型包括：String, Number, Boolean, Object, Array, null（表示任意類型）
value: null // 屬性初始值（可選），如果未指定則會(huì)根據(jù)類型選擇一個(gè)
}
},
/**
* 組件的初始數(shù)據(jù)
*/
data: {
pickerArray: [],//日期控件數(shù)據(jù)list
pickerIndex: [],//日期控件選擇的index
chooseIndex: [],//日期控件確認(rèn)選擇的index
chooseArray: [],//日期控件確認(rèn)選擇后的list
stDate: '',//開(kāi)始日期
enDate: ''//結(jié)束日期
},
/**
* 組件的方法列表
*/
methods: {
_onInit() {
let date = new Date();
if (this.data.date != null) {
let str = this.data.date;
str = str.replace(/-/g, "/");
date = new Date(str);
}
let pickerArray = this.data.pickerArray;
// console.log(date.getFullYear());
//默認(rèn)選擇3年內(nèi)
let year = [];
let month = [];
let day = [];
let time = [];
let division = [];
let startDate = '';
let endDate = ''
let tpData = {};
if (this.data.startDate != null && this.data.endDate == null) {
//如果存在開(kāi)始時(shí)間，則默認(rèn)設(shè)置結(jié)束時(shí)間為2099
startDate = this._getDefaultDate(this.data.startDate);
endDate = this._getDefaultDate("2099-12-31 23:59");
tpData = this._getModify(date, startDate, endDate);
}
if (this.data.endDate != null && this.data.startDate == null) {
//如果存在結(jié)束時(shí)間，不存在開(kāi)始時(shí)間 則默認(rèn)設(shè)置開(kāi)始時(shí)間為1900
startDate = this._getDefaultDate("1900-01-01 00:00");
endDate = this._getDefaultDate(this.data.endDate);
tpData = this._getModify(date, startDate, endDate);
}
if (this.data.endDate != null && this.data.startDate != null) {
startDate = this._getDefaultDate(this.data.startDate);
endDate = this._getDefaultDate(this.data.endDate);
tpData = this._getModify(date, startDate, endDate);
}
// console.log(year);
if (this.data.startDate == null && this.data.endDate == null) {
startDate = this._getDefaultDate("1901-01-01 00:00");
endDate = this._getDefaultDate("2099-12-31 23:59");
tpData = this._getModify(date, startDate, endDate);
}
if (date > endDate || date < startDate) {
this.setData({
placeholder: "默認(rèn)日期不在時(shí)間范圍內(nèi)"
})
return;
}
// console.log(division);
pickerArray[0] = tpData.year;
pickerArray[1] = tpData.month;
pickerArray[2] = tpData.day;
pickerArray[3] = tpData.time;
pickerArray[4] = tpData.division;
let mdate = {
date: date,
year: date.getFullYear() + '',
month: date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1 + '',
day: date.getDate() < 10 ? '0' + date.getDate() : date.getDate() + '',
time: date.getHours() < 10 ? '0' + date.getHours() : date.getHours() + '',
division: date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes() + ''
}
mdate.placeholder = mdate.year + '-' + mdate.month + '-' + mdate.day + ' ' + mdate.time + ':' + mdate.division;
this.setData({
pickerArray,
pickerIndex: tpData.index,
chooseIndex: tpData.index,
chooseArray: pickerArray,
placeholder: this.data.placeholder != null ? this.data.placeholder : mdate.placeholder,
stDate: startDate,
enDate: endDate
})
// console.log(date);
//設(shè)置placeholder屬性后 初始化不返回日期
if (this.data.placeholder == null){
this.triggerEvent('onPickerChange', mdate);
}
// console.log(this.data.pickerArray);
// console.log(this._getNumOfDays(2018, 10));
},
/**
*
*/
_getDefaultDate(date) {
date = date.replace(/-/g, "/");
return new Date(date);
},
/**
*
* 獲取開(kāi)始日期 結(jié)束日期 中間日期
* @param {date} newDate 默認(rèn)日期
* @param {date} startDate 設(shè)置開(kāi)始日期
* @param {date} stopDate 設(shè)置結(jié)束日期
* @returns data 包含年月日時(shí)分?jǐn)?shù)組
*/
_getModify(newDate, startDate, stopDate) {
let data = {
year: [],
month: [],
day: [],
time: [],
division: [],
index:[0,0,0,0,0]
}
let nYear = newDate.getFullYear();
let nMonth = newDate.getMonth() + 1;
let nDay = newDate.getDate();
let nHours = newDate.getHours();
let nMinutes = newDate.getMinutes();
let tYear = startDate.getFullYear();
let tMonth = startDate.getMonth() + 1;
let tDay = startDate.getDate();
let tHours = startDate.getHours();
let tMinutes = startDate.getMinutes();
let pYear = stopDate.getFullYear();
let pMonth = stopDate.getMonth() + 1;
let pDay = stopDate.getDate();
let pHours = stopDate.getHours();
let pMinutes = stopDate.getMinutes();
for (let i = tYear; i <= pYear; i++) {
data.year.push({ id: i, name: i + "年" });
}
data.index[0] = nYear - tYear;
//判斷年份是否相同 相同則繼續(xù)
if (nYear == tYear){
//判斷結(jié)束年份 賦值月份 如果結(jié)束年份相同則把結(jié)束月份 一并賦值
if (nYear == pYear){
for (let i = tMonth; i <= pMonth; i++) {
data.month.push({ id: i, name: i + "月" });
}
data.index[1] = nMonth - tMonth < 0 ? 0 : nMonth - tMonth;
if (nMonth == tMonth){
if (nMonth == pMonth){
for (let i = tDay; i <= pDay; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - tDay < 0 ? 0 : nDay - tDay;
if (nDay == tDay){
if (nDay == pDay){
for (let i = tHours; i <= pHours; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;
if (nHours == tHours){
if (nHours == pHours){
for (let i = tMinutes; i <= pMinutes; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;
} else {
for (let i = tMinutes; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;
}
} else {
if (nHours == pHours){
for (let i = 0; i <= pMinutes; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
} else {
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
}
} else {
for (let i = tHours; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;
if (nHours == tHours) {
for (let i = tMinutes; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;
} else {
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
}
} else {
if (nDay == pDay){
for (let i = 0; i <= pHours; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
if (nHours == pHours){
for (let i = 0; i <= pMinutes; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
} else {
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
}
} else {
let dayNum = this._getNumOfDays(nYear, nMonth);
for (let i = tDay; i <= dayNum; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - tDay < 0 ? 0 : nDay - tDay;
if (nDay == tDay) {
for (let i = tHours; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;
if (nHours == tHours) {
for (let i = tMinutes; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;
} else {
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
}
} else {
if (nMonth == pMonth){
for (let i = 1; i <= pDay; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - 1;
if (nDay == pDay){
for (let i = 0; i <= pHours; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
if (nHours == pHours){
for (let i = 0; i <= pMinutes; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
} else {
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
let dayNum = this._getNumOfDays(nYear, nMonth);
for (let i = 1; i <= dayNum; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - 1;
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
}
} else {//只需要開(kāi)始日期 因?yàn)榻Y(jié)束年份不同 所以不會(huì)用到結(jié)束日期
for (let i = tMonth; i <= 12; i++) {
data.month.push({ id: i, name: i + "月" });
}
data.index[1] = nMonth - tMonth < 0 ? 0 : nMonth - tMonth;
if (nMonth == tMonth){
let dayNum = this._getNumOfDays(nYear, nMonth);
for (let i = tDay; i <= dayNum; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - tDay < 0 ? 0 : nDay - tDay;
if (nDay == tDay){
for (let i = tHours; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;
if (nHours == tHours){
for (let i = tMinutes; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;
} else {
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
let dayNum = this._getNumOfDays(nYear, nMonth);
for (let i = 1; i <= dayNum; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - 1;
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
}
} else {
if (nYear == pYear) {
for (let i = 1; i <= pMonth; i++) {
data.month.push({ id: i, name: i + "月" });
}
data.index[1] = nMonth - 1;
if (nMonth == pMonth){
for (let i = 1; i <= pDay; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - 1;
if (nDay == pDay){
for (let i = 0; i <= pHours; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
if (nHours == pHours){
for (let i = 0; i <= pMinutes; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
} else {
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
let dayNum = this._getNumOfDays(nYear, nMonth);
for (let i = 1; i <= dayNum; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - 1;
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
} else {
for (let i = 1; i <= 12; i++) {
data.month.push({ id: i, name: i + "月" });
}
data.index[1] = nMonth - 1;
let dayNum = this._getNumOfDays(nYear, nMonth);
for (let i = 1; i <= dayNum; i++) {
data.day.push({ id: i, name: i + "日" });
}
data.index[2] = nDay - 1;
for (let i = 0; i <= 23; i++) {
if (i < 10) {
data.time.push({ id: i, name: "0" + i + "時(shí)" });
} else {
data.time.push({ id: i, name: i + "時(shí)" });
}
}
data.index[3] = nHours;
// console.log(time);
for (let i = 0; i <= 59; i++) {
if (i < 10) {
data.division.push({ id: i, name: "0" + i + "分" });
} else {
data.division.push({ id: i, name: i + "分" });
}
}
data.index[4] = nMinutes;
}
}
return data
},
/**
*
* 獲取本月天數(shù)
* @param {number} year
* @param {number} month
* @param {number} [day=0] 0為本月0最后一天的
* @returns number 1-31
*/
_getNumOfDays(year, month, day = 0) {
return new Date(year, month, day).getDate()
},
pickerChange: function (e) {
// console.log('picker發(fā)送選擇改變，攜帶值為', e.detail.value)
let indexArr = e.detail.value;
const year = this.data.pickerArray[0][indexArr[0]].id;
const month = this.data.pickerArray[1][indexArr[1]].id;
const day = this.data.pickerArray[2][indexArr[2]].id;
const time = this.data.pickerArray[3][indexArr[3]].id;
const division = this.data.pickerArray[4][indexArr[4]].id;
let date = {
date: new Date(year + '-' + month + '-' + day + ' ' + time + ':' + division),
year: year + '',
month: month < 10 ? '0' + month : month + '',
day: day < 10 ? '0' + day : day + '',
time: time < 10 ? '0' + time : time + '',
division: division < 10 ? '0' + division : division + ''
}
date.dateString = date.year + '-' + date.month + '-' + date.day + ' ' + date.time + ':' + date.division;
// console.log(date);
this.setData({
chooseIndex: e.detail.value,
chooseArray: this.data.pickerArray,
placeholder: date.dateString
})
this.triggerEvent('onPickerChange', date);
},
pickerColumnChange: function (e) {
// console.log('修改的列為', e.detail.column, '，值為', e.detail.value);
let data = {
pickerArray: this.data.pickerArray,
pickerIndex: this.data.pickerIndex
};
//首先獲取 修改后的日期 然后重新賦值列表數(shù)據(jù)
data.pickerIndex[e.detail.column] = e.detail.value;
let cYear = data.pickerArray[0][data.pickerIndex[0]].id;
let cMonth = data.pickerArray[1][data.pickerIndex[1]].id;
let cDay = data.pickerArray[2][data.pickerIndex[2]].id;
let cTime = data.pickerArray[3][data.pickerIndex[3]].id;
let cDivision = data.pickerArray[4][data.pickerIndex[4]].id;
//需要先判斷修改后的日期是否是正確的天數(shù) 不正確會(huì)導(dǎo)致日期錯(cuò)亂等未知情況
let daysn = this._getNumOfDays(cYear, cMonth);
//不正確 重新賦值
if (cDay > daysn){
cDay = daysn;
}
// console.log(cYear + '-' + cMonth + '-' + cDay + ' ' + cTime + ':' + cDivision);
let newDate = this._getDefaultDate(cYear + '-' + cMonth + '-' + cDay + ' ' + cTime + ':' + cDivision);
//判斷修改后的日期是否在限制范圍內(nèi) 不在則重新賦值
if (newDate > this.data.enDate) {
newDate = this.data.enDate;
}
if (newDate < this.data.stDate){
newDate = this.data.stDate;
}
let tpData = this._getModify(newDate, this.data.stDate, this.data.enDate);
data.pickerArray[0] = tpData.year;
data.pickerArray[1] = tpData.month;
data.pickerArray[2] = tpData.day;
data.pickerArray[3] = tpData.time;
data.pickerArray[4] = tpData.division;
data.pickerIndex = tpData.index;
for (let i = 0; i <=4; i++) {
if (data.pickerArray[i].length - 1 < data.pickerIndex[i]) {
data.pickerIndex[i] = data.pickerArray[i].length - 1;
}
}
this.setData(data);
},
pickerCancel: function (e) {
// console.log("取消");
this.setData({
pickerIndex: this.data.chooseIndex,
pickerArray: this.data.chooseArray
})
},
},
// 以下是舊式的定義方式，可以保持對(duì) <2.2.3 版本基礎(chǔ)庫(kù)的兼容
attached() {
// 在組件實(shí)例進(jìn)入頁(yè)面節(jié)點(diǎn)樹(shù)時(shí)執(zhí)行
// 在組件實(shí)例進(jìn)入頁(yè)面節(jié)點(diǎn)樹(shù)時(shí)執(zhí)行
// this._onInit();
},
ready() {
// console.log('進(jìn)入ready外層節(jié)點(diǎn)=', this.data.date);
this._onInit();
},
// 以下為新方法 >=2.2.3
lifetimes: {
attached() {
// 在組件實(shí)例進(jìn)入頁(yè)面節(jié)點(diǎn)樹(shù)時(shí)執(zhí)行
// this._onInit();
},
detached() {
// 在組件實(shí)例被從頁(yè)面節(jié)點(diǎn)樹(shù)移除時(shí)執(zhí)行
},
ready() {
// console.log('進(jìn)入ready節(jié)點(diǎn)=', this.data.date);
this._onInit();
}
}
})2.pickerTime.wxml內(nèi)容
<!--component/pickerTime/pickerTime.wxml-->
<view>
<picker disabled="{{disabled}}" mode="multiSelector" bindchange="pickerChange" bindcolumnchange="pickerColumnChange" bindcancel ="pickerCancel" value="{{pickerIndex}}" range="{{pickerArray}}" range-key="{{'name'}}">
<view>
{{placeholder}}
</view>
</picker>
</view>在頁(yè)面中使用
1,demo.json中引入組件
{
"navigationBarTitleText": "demo",
"usingComponents": {
"pickerTime": "/components/pickerTime/pickerTime"
}
}2,頁(yè)面中使用 wxml
<pickerTime placeholder="{{placeholder}}" date="{{date}}" bind:onPickerChange="onPickerChange"
startDate="{{startDate}}" endDate="{{endDate}}">
</pickerTime>3.demo.js
data:{
date: '2019-01-01 13:37',
startDate: '2019-01-01 12:37',
endDate: '2029-03-12 12:38',
placeholder: '請(qǐng)選擇時(shí)間'
},
onPickerChange: function (e) {
this.setData({
date: e.detail.dateString //選中的數(shù)據(jù)
})
},
toDouble: function (num) {
if (num >= 10) {//大于10
return num;
} else {//0-9
return '0' + num
}
},
getToday: function () {
let date = new Date();
let year = date.getFullYear();
let month = date.getMonth() + 1;
let day = date.getDate();
return year + '-' + this.toDouble(month) + '-' + this.toDouble(day)
},
//監(jiān)聽(tīng)頁(yè)面加載
onLoad: function (options) {
let dayTime= this.getToday();
let dayHour = "18:00";
let endedTime1 = dayTime + " " + dayHour;
this.setData({
date: endedTime1
})
},感謝你能夠認(rèn)真閱讀完這篇文章，希望小編分享的“微信小程序如何實(shí)現(xiàn)日期時(shí)分組件”這篇文章對(duì)大家有幫助，同時(shí)也希望大家多多支持億速云，關(guān)注億速云行業(yè)資訊頻道，更多相關(guān)知識(shí)等著你來(lái)學(xué)習(xí)!
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