微信小程序如何实现日期时分组件
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这篇文章主要介绍了微信小程序如何实现日期时分组件，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
如图所示效果
第一步新建picker组件文件
1,pickerTime.js组件代码内容
// component/pickerTime/pickerTime.jsComponent({ properties: { date: { // 属性名 type: null, // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型） value: null // 属性初始值（可选），如果未指定则会根据类型选择一个 }, startDate: { type: null, // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型） value: null // 属性初始值（可选），如果未指定则会根据类型选择一个 }, endDate: { type: null, // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型） value: null // 属性初始值（可选），如果未指定则会根据类型选择一个 }, disabled: { type: null, // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型） value: false // 属性初始值（可选），如果未指定则会根据类型选择一个 }, placeholder: { type: null, // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型） value: null // 属性初始值（可选），如果未指定则会根据类型选择一个 } }, data: { pickerArray: [],//日期控件数据list pickerIndex: [],//日期控件选择的index chooseIndex: [],//日期控件确认选择的index chooseArray: [],//日期控件确认选择后的list stDate: '',//开始日期 enDate: ''//结束日期 }, 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()); //默认选择3年内 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) { //如果存在开始时间，则默认设置结束时间为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) { //如果存在结束时间，不存在开始时间 则默认设置开始时间为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: "默认日期不在时间范围内" }) 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); //设置placeholder属性后 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); }, _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; //判断年份是否相同 相同则继续 if (nYear == tYear){ //判断结束年份 赋值月份 如果结束年份相同则把结束月份 一并赋值 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 {//只需要开始日期 因为结束年份不同 所以不会用到结束日期 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 + "时" }); } else { data.time.push({ id: i, name: i + "时" }); } } 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 }, _getNumOfDays(year, month, day = 0) { return new Date(year, month, day).getDate() }, pickerChange: function (e) { // console.log('picker发送选择改变，携带值为', 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('修改的列为', e.detail.column, '，值为', e.detail.value); let data = { pickerArray: this.data.pickerArray, pickerIndex: this.data.pickerIndex }; //首先获取 修改后的日期 然后重新赋值列表数据 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; //需要先判断修改后的日期是否是正确的天数 不正确会导致日期错乱等未知情况 let daysn = this._getNumOfDays(cYear, cMonth); //不正确 重新赋值 if (cDay > daysn){ cDay = daysn; } // console.log(cYear + '-' + cMonth + '-' + cDay + ' ' + cTime + ':' + cDivision); let newDate = this._getDefaultDate(cYear + '-' + cMonth + '-' + cDay + ' ' + cTime + ':' + cDivision); //判断修改后的日期是否在限制范围内 不在则重新赋值 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 }) }, }, // 以下是旧式的定义方式，可以保持对 <2.2.3 版本基础库的兼容 attached() { // 在组件实例进入页面节点树时执行 // 在组件实例进入页面节点树时执行 // this._onInit(); }, ready() { // console.log('进入ready外层节点=', this.data.date); this._onInit(); }, // 以下为新方法 >=2.2.3 lifetimes: { attached() { // 在组件实例进入页面节点树时执行 // this._onInit(); }, detached() { // 在组件实例被从页面节点树移除时执行 }, ready() { // console.log('进入ready节点=', this.data.date); this._onInit(); } }})pickerTime.wxml内容
<!--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>在页面中使用
1,demo.json中引入组件
{ "navigationBarTitleText": "demo", "usingComponents": { "pickerTime": "/components/pickerTime/pickerTime" }}2,页面中使用 wxml
<pickerTime placeholder="{{placeholder}}" date="{{date}}" bind:onPickerChange="onPickerChange"startDate="{{startDate}}" endDate="{{endDate}}"></pickerTime>demo.js
data:{ date: '2019-01-01 13:37', startDate: '2019-01-01 12:37', endDate: '2029-03-12 12:38', placeholder: '请选择时间' }, onPickerChange: function (e) { this.setData({ date: e.detail.dateString //选中的数据 }) }, 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) }, //监听页面加载 onLoad: function (options) { let dayTime= this.getToday(); let dayHour = "18:00"; let endedTime1 = dayTime + " " + dayHour; this.setData({ date: endedTime1 }) },感谢你能够认真阅读完这篇文章，希望小编分享的“微信小程序如何实现日期时分组件”这篇文章对大家有帮助，同时也希望大家多多支持编程网，关注编程网行业资讯频道，更多相关知识等着你来学习!
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