本文實例為大家分享了jquery實現日歷效果的具體代碼，供大家參考，具體內容如下
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/** * 2021/3/6 * Calendar */ /* get y Year m Month before days */function getBDays( y, m ) { return (new Date(y, m, 1).getDay());} /* get y Year m Month total days */function getTDays( y, m ) { return (new Date(y, m + 1, -1).getDate() + 1);} /* get y Year m Month last days */function getBMDays( y, m ) { return (new Date(y, m, -1).getDate() + 1);} function Calendar( nowDate ) { // year, month, day this.year = nowDate.getFullYear(); this.month = nowDate.getMonth(); this.day = nowDate.getDate(); // before days this.beforeDays = getBDays(this.year, this.month); // current month days this.totalDays = getTDays(this.year, this.month); // last month days this.lastDays = getBMDays(this.year, this.month); // save now date this.nowY = nowDate.getFullYear(); this.nowM = nowDate.getMonth();} Calendar.prototype.initCalendar = function() { // get calendar id let calDiv = $("#Calendar").append("<table></table>"); // get calendar table let calTable = $("#Calendar > table"); // add calendar table tr for ( let n = 0; n < 8; n++ ) { calTable.append('<tr></tr>'); } // get calendar table tr : header let calHeadTr = $("#Calendar > table > tr:first"); // add calendar table tr th for ( let n = 0; n < 3; n++ ) { calHeadTr.append('<th></th>'); } // select index > 0 tr let calBodyTr = $("#Calendar > table > tr:gt(0)"); // add calendar table tr td for ( let n = 0; n < 7; n++ ) { calBodyTr.append('<td></td>'); }} Calendar.prototype.insertDate = function( calName ) { // get calendar table tr td : header let calHeadTh = $("#Calendar > table > tr:first > th"); // modify header content $(calHeadTh[0]).html("<a><</a>"); $(calHeadTh[1]).html(`<a>${this.year} 年 ${this.month + 1} 月</a>`); $(calHeadTh[2]).html("<a>></a>"); // add style to header $(calHeadTh[1]).attr({ "colspan" : 5, "title" : calName }); // weekday arrays const calWeekArr = ['日', '一', '二', '三', '四', '五', '六']; // get calendar table tr td : weekdays let calWeekTd = $("#Calendar > table > tr:eq(1) > td"); for ( let n = 0; n < 7; n++ ) { $(calWeekTd[n]).html(`<a>${calWeekArr[n]}</a>`); } // get calendar table tr td : body let calBodyTd = $("#Calendar > table > tr:gt(1) > td"); // insert before days for (let n = this.beforeDays - 1, lastDays = this.lastDays; n >= 0; n--, lastDays--) { $(calBodyTd[n]).html(`<a>${lastDays}</a>`); $(calBodyTd[n]).attr("class", "other-day"); } // insert current days for (let n = this.beforeDays, i = 1; i <= this.totalDays; i++, n++) { $(calBodyTd[n]).html(`<a>${i}</a>`); if (i == this.day && (new Date(this.year, this.month, 1).getMonth() == this.nowM) && (new Date(this.year, this.month, 1).getFullYear() == this.nowY)) { $(calBodyTd[n]).attr("class", "now-day"); } else { $(calBodyTd[n]).removeAttr("class", "now-day"); } } // insert after days for (let n = this.beforeDays + this.totalDays, i = 1; n < calBodyTd.length; n++, i++) { $(calBodyTd[n]).html(`<a>${i}</a>`); $(calBodyTd[n]).attr("class", "other-day"); }} Calendar.prototype.update = function( newDate ) { // year, month, day this.year = newDate.getFullYear(); this.month = newDate.getMonth(); this.day = newDate.getDate(); // before days this.beforeDays = getBDays(this.year, this.month); // current month days this.totalDays = getTDays(this.year, this.month); // last month days this.lastDays = getBMDays(this.year, this.month);} function initDate() { // create Date object let now = new Date(); let cal = new Calendar( now ); // init and insert cal.initCalendar(); cal.insertDate( 'MyDate' ); // add click event to th:first $("#Calendar > table > tr:first > th:first").click(function(){ now.setMonth( now.getMonth() - 1 ); cal.update( now ); cal.insertDate( 'MyDate' ); }); // add click event to th:last $("#Calendar > table > tr:first > th:last").click(function(){ now.setMonth( now.getMonth() + 1 ); cal.update( now ); cal.insertDate( 'MyDate' ); });} initDate(); |
html
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<!DOCTYPE html><html> <head> <meta charset="utf-8" /> <title>Document</title> <link href="css/dateCal.css" rel="stylesheet" media="screen"> </head> <body> <div id="Calendar"></div> <script src="js/jquery.js"></script> <script src="js/dateCal.js"></script> </body></html> |
CSS:
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#Calendar { width: 200px; padding-bottom: 5px; box-shadow: 0 1px 3px #ccc; border: 1px solid #EDEDED;} #Calendar table { width: inherit; text-align: center; user-select: none; font-family: "Comic Sans MS"; border-collapse: collapse; border-spacing: 0px;} #Calendar table tr th { background: #f8f8f8; font-size: 12px;} #Calendar table tr:nth-child(2) { background: #f8f8f8;} #Calendar table tr td { font-size: 10px;} #Calendar table tr td.now-day { color: red;} #Calendar table tr td.other-day { color: lightgray;} |
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/qq_35068659/article/details/114459393
