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This article mainly explains "how to use the date selection plug-in in WeChat Mini Programs". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to use the date selection plug-in in WeChat Mini Programs.

Effect picture:

Wxml

"{{cur_year | |"--}} year {{cur_month | | "- -"} month "{{item}} {{item}} Click date selection

Js

/ / index.js// gets the application instance Page ({data: {hasEmptyGrid: false, cur_year:', cur_month:',}, onLoad (options) {this.setNowDate ();}, dateSelectAction: function (e) {var cur_day = e.currentTarget.dataset.idx) This.setData ({todayIndex: cur_day}) console.log (`Click date: ${this.data.cur_year} year ${this.data.cur_month} month ${cur_day + 1} day `);}, setNowDate: function () {const date = new Date (); const cur_year = date.getFullYear (); const cur_month = date.getMonth () + 1; const todayIndex = date.getDate ()-1 Console.log (`date: ${todayIndex} `) const weeks_ch = ['Day', 'one', 'two', 'three', 'four', 'five', 'six']; this.calculateEmptyGrids (cur_year, cur_month); this.calculateDays (cur_year, cur_month) This.setData ({cur_year: cur_year, cur_month: cur_month, weeks_ch, todayIndex,})}, getThisMonthDays (year, month) {return new Date (year, month, 0). GetDate ();}, getFirstDayOfWeek (year, month) {return new Date (Date.UTC (year, month-1, 1). GetDay ();}, calculateEmptyGrids (year, month) {const firstDayOfWeek = this.getFirstDayOfWeek (year, month); let empytGrids = [] If (firstDayOfWeek > 0) {for (let I = 0; I < firstDayOfWeek; iTunes +) {empytGrids.push (I);} this.setData ({hasEmptyGrid: true, empytGrids});} else {this.setData ({hasEmptyGrid: false, empytGrids: []});}}, calculateDays (year, month) {let days = []; const thisMonthDays = this.getThisMonthDays (year, month); for (let I = 1 I 12) {newYear = cur_year + 1; newMonth = 1;} this.calculateDays (newYear, newMonth); this.calculateEmptyGrids (newYear, newMonth); this.setData ({cur_year: newYear, cur_month: newMonth})}}) so far, I believe you have a deeper understanding of "how to use the date selection plug-in in WeChat Mini Programs", you might as well do it in practice! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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