// components/datatimepicker/datatimepicker.js Component({ behaviors: ['wx://form-field'], externalClasses: ["i-class"], properties: { format: { type: String }, name: { type: String }, placeholder: { type: String } }, data: {}, lifetimes: { attached: function() { //当前时间 年月日 时分秒 const date = new Date() const curYear = date.getFullYear() const curMonth = date.getMonth() + 1 const curDay = date.getDate() const curHour = date.getHours() const curMinute = date.getMinutes() const curSecond = date.getSeconds() //初始化时间选择轴 this.setData({ chooseYear: curYear }) this.initColumn(curMonth); if(curMonth==2) this.setData({ days: this.data.multiArray[2] }) //不足两位的前面好补0 因为后面要获取在时间轴上的索引 时间轴初始化的时候都是两位 var showMonth = curMonth < 10 ? ('0' + curMonth) : curMonth var showDay = curDay < 10 ? ('0' + curDay) : curDay var showHour = curHour < 10 ? ('0' + curHour) : curHour var showMinute = curMinute < 10 ? ('0' + curMinute) : curMinute var showSecond = curSecond < 10 ? ('0' + curSecond) : curSecond //当前时间在picker列上面的索引 为了当打开时间选择轴时选中当前的时间 var indexYear = this.data.years.indexOf(curYear + '') var indexMonth = this.data.months.indexOf(showMonth + '') var indexDay = this.data.days.indexOf(showDay + '') var indexHour = this.data.hours.indexOf(showHour + '') var indexMinute = this.data.minutes.indexOf(showMinute + '') var indexSecond = this.data.seconds.indexOf(showSecond + '') var multiIndex = [] var multiArray = [] var value = '' var format = this.properties.format; if (format == 'yyyy-MM-dd') { multiIndex = [indexYear, indexMonth, indexDay] value = `${curYear}-${showMonth}-${showDay}` multiArray = [this.data.years, this.data.months, this.data.days] } if (format == 'HH:mm:ss') { multiIndex = [indexHour, indexMinute, indexSecond] value = `${showHour}:${showMinute}:${showSecond}` multiArray = [this.data.hours, this.data.minutes, this.data.seconds] } if (format == 'yyyy-MM-dd HH:mm') { multiIndex = [indexYear, indexMonth, indexDay, indexHour, indexMinute] value = `${curYear}-${showMonth}-${showDay} ${showHour}:${showMinute}` multiArray = [this.data.years, this.data.months, this.data.days, this.data.hours, this.data.minutes] } if (format == 'yyyy-MM-dd HH:mm:ss') { multiIndex = [indexYear, indexMonth, indexDay, indexHour, indexMinute, indexSecond] value = `${curYear}-${showMonth}-${showDay} ${showHour}:${showMinute}:${showSecond}` multiArray = [this.data.years, this.data.months, this.data.days, this.data.hours, this.data.minutes, this.data.seconds] } this.setData({ // value, // 初始时间 multiIndex, multiArray, curMonth, chooseYear: curYear, }) } }, /** * 组件的方法列表 */ methods: { //获取时间日期 bindPickerChange: function(e) { this.setData({ multiIndex: e.detail.value }) const index = this.data.multiIndex var format = this.properties.format var showTime = '' if (format == 'yyyy-MM-dd') { const year = this.data.multiArray[0][index[0]] const month = this.data.multiArray[1][index[1]] const day = this.data.multiArray[2][index[2]] showTime = `${year}-${month}-${day}` } if (format == 'HH:mm:ss') { const hour = this.data.multiArray[0][index[0]] const minute = this.data.multiArray[1][index[1]] const second = this.data.multiArray[2][index[2]] showTime = `${hour}:${minute}:${second}` } if (format == 'yyyy-MM-dd HH:mm') { const year = this.data.multiArray[0][index[0]] const month = this.data.multiArray[1][index[1]] const day = this.data.multiArray[2][index[2]] const hour = this.data.multiArray[3][index[3]] const minute = this.data.multiArray[4][index[4]] showTime = `${year}-${month}-${day} ${hour}:${minute}` } if (format == 'yyyy-MM-dd HH:mm:ss') { const year = this.data.multiArray[0][index[0]] const month = this.data.multiArray[1][index[1]] const day = this.data.multiArray[2][index[2]] const hour = this.data.multiArray[3][index[3]] const minute = this.data.multiArray[4][index[4]] const second = this.data.multiArray[5][index[5]] showTime = `${year}-${month}-${day} ${hour}:${minute}:${second}` } this.setData({ value: showTime }) this.triggerEvent('dateTimePicker', showTime) }, //初始化时间选择轴 initColumn(curMonth) { const years = [] const months = [] const days = [] const hours = [] const minutes = [] const seconds = [] for (let i = 2019; i <= 2099; i++) { years.push(i + '') } for (let i = 1; i <= 12; i++) { if (i < 10) { i = "0" + i; } months.push(i + '') } if (curMonth == 1 || curMonth == 3 || curMonth == 5 || curMonth == 7 || curMonth == 8 || curMonth == 10 || curMonth == 12) { for (let i = 1; i <= 31; i++) { if (i < 10) { i = "0" + i; } days.push(i + '') } } if (curMonth == 4 || curMonth == 6 || curMonth == 9 || curMonth == 11) { for (let i = 1; i <= 30; i++) { if (i < 10) { i = "0" + i; } days.push(i + '') } } if (curMonth == 2) { this.setFebDays() } for (let i = 0; i <= 23; i++) { if (i < 10) { i = "0" + i; } hours.push(i + '') } for (let i = 0; i <= 59; i++) { if (i < 10) { i = "0" + i; } minutes.push(i + '') } for (let i = 0; i <= 59; i++) { if (i < 10) { i = "0" + i; } seconds.push(i + '') } this.setData({ years, months, days, hours, minutes, seconds }) }, /** * 列改变时触发 */ bindPickerColumnChange: function(e) { //获取年份 用于计算改年的2月份为平年还是闰年 if (e.detail.column == 0 && this.properties.format != 'HH:mm:ss') { var chooseYear = this.data.multiArray[e.detail.column][e.detail.value]; this.setData({ chooseYear }) if (this.data.curMonth == '02' || this.data.chooseMonth == '02') { this.setFebDays() } } //当前第二为月份时需要初始化当月的天数 if (e.detail.column == 1 && this.properties.format != 'HH:mm:ss') { let num = parseInt(this.data.multiArray[e.detail.column][e.detail.value]); let temp = []; if (num == 1 || num == 3 || num == 5 || num == 7 || num == 8 || num == 10 || num == 12) { //31天的月份 for (let i = 1; i <= 31; i++) { if (i < 10) { i = "0" + i; } temp.push("" + i); } this.setData({ ['multiArray[2]']: temp }); } else if (num == 4 || num == 6 || num == 9 || num == 11) { //30天的月份 for (let i = 1; i <= 30; i++) { if (i < 10) { i = "0" + i; } temp.push("" + i); } this.setData({ ['multiArray[2]']: temp }); } else if (num == 2) { //2月份天数 this.setFebDays() } } var data = { multiArray: this.data.multiArray, multiIndex: this.data.multiIndex }; data.multiIndex[e.detail.column] = e.detail.value; this.setData(data); }, //计算二月份天数 setFebDays() { let year = parseInt(this.data.chooseYear); let temp = []; if (year % (year % 100 ? 4 : 400) ? false : true) { for (let i = 1; i <= 29; i++) { if (i < 10) { i = "0" + i; } temp.push("" + i); } this.setData({ ['multiArray[2]']: temp, chooseMonth: '02' }); } else { for (let i = 1; i <= 28; i++) { if (i < 10) { i = "0" + i; } temp.push("" + i); } this.setData({ ['multiArray[2]']: temp, chooseMonth: '02' }); } } }, })