DDR爱好者之家 Design By 杰米

新的产品需求需要,要写一个这样的日历插件。

效果图如下:

jQuery实现可以扩展的日历

选择日期后,显示当前可以选择的时间,时间的列表是通过ajax从后台获取的一组数据。
而且这个日期存在的情况,还是动态渲染的一个列表里面,再动态渲染的一个日历。

例如:

jQuery实现可以扩展的日历

此时的步骤图渲染是根据后台给的一个list来渲染的,所以,里面的元素但凡要点击,要交互,就要注意事件冒泡。
bootstrap的日历插件,运用起来也没法满足需求,所以被迫自己写了一个日历

代码如下:

var date = new Date()
   var nowYear = date.getFullYear(); //获取当前年份
   var nowMonth = date.getMonth() + 1; //获取当前月份
   var nowDay = date.getDate(); //获取当前天
   var splitString = "-"; //年月日之间的分隔符
   var weekDays = new Array("日", "一", "二", "三", "四", "五", "六"); //星期数组
   var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"); //月份数组
   var lastDays = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); //每个月的最后一天是几号

   //变量保存,存储当前选择的年月
   var checkYear = nowYear;
   var checkMonth = nowMonth;

   // //将选择的日期添加到输入框
   function setInput(selectDay) {
    $('#txt_calendar').value = checkYear + splitString + checkMonth + splitString + selectDay;
    hidDate();
   }

// //显示控件
   function showDate() {
    
    createDate(nowYear, nowMonth);//创建日历
    console.log(nowYear, nowMonth, '创建时间日历')
    //计算显示控件位置
    ///获取当前输入框的位置,在实际操作中需要修改此处ID
    var x = $('#txt_calendar').offset().left
    var y = $('#txt_calendar').offset().top + 22
    console.log(x, y, 'x, y', $('#txt_calendar'))
    $('#testID').css({
     left: '-38px',
     top: '37px'
    })
   }
   // /*
   // * 以下拼接日历框
   // * 并定位日历框
   // * */
   // //创建日历样式 
   function createDate(thisYear, thisMonth) {
    console.log(thisYear, thisMonth, '创建日历------------------')
    var createDoc = '<div style="height: 30px;">';
    //当前年月日,点击此处日历自动跳到当前日期
    createDoc += '<p style="width: 100%;height: 30px;text-align: center;color: #999; display: none;" onclick="getThisDay()">当前日期 ' + nowYear + "年" + nowMonth + "月" + nowDay + "号";
    //关闭日历显示
    createDoc += '<span id="closeDate" onClick="hidDate()" style="float: right;font-size: 25px;margin: -20px 3px 0 0;cursor: pointer;">×</span></p></div>';;
    createDoc += '<div style="margin-bottom: 8px;">';
    // 上月
    createDoc += '<span id="lastMonth" style="margin: 0 20px 0 25px;cursor:pointer;"><</span>';
    //创建年份下拉框[1900-2099]年onchange="changeYearAndMonth()">
    createDoc += '<select id ="selectYear" class="selectStyle"';
    for (var y = 1900; y <= 2099; y++) {
     createDoc += "<option value=" + y + ">" + y + "</option>";
    }
    createDoc += "</select>年";
    //创建月份下拉框onchange="changeYearAndMonth()">
    createDoc += '<select id ="selectMonth" style="overflow: auto;" class="selectStyle"';
    for (var m = 0; m <= 12; m++) {
     createDoc += `<option style='z-index: 9999;' value="${m}">${m}</option>`;
    }
    createDoc += "</select>月";
    //下一月 onClick="nextMonthClick()" 
    createDoc += '<span id="nextMonth"style="float: right;margin-right: 25px;cursor:pointer; padding-left: 10px;"</span></div>';
    //创建星期
    createDoc += '<div class="everyWeekDay">';
    for (var i = 0; i < weekDays.length; i++) {
     if (weekDays[i] == "日" || weekDays[i] == "六") {
      createDoc += `<span class="weekday" style="background-color: #18bc9c;color:#ccc;">${weekDays[i]}</span>`
     } else {
      createDoc += `<span style="background-color: #18bc9c;color:#fff;" class="weekday">${weekDays[i]}</span>`
     }
    }
    createDoc += '</div>';
    //创建每月天数
    createDoc += '<div class="everyDay"><div class="marginTop">'; //日期样式DIV
    var thisWeek = getThisWeekDay(thisYear, thisMonth, 1); //算出当前年月1号是星期几
    /*$(this).css({ 'cursor': 'no-drop' })
     * 如果当前不是星期天,创建空白日期占位
     * 若是星期天,则循环输出当月天数
     * 待修改优化,后期改为变色的前一个月日期
     */
    if (thisWeek != 0) {
     for (var i = 0; i < thisWeek; i++) {
      createDoc += '<span class="days"></span>';
     }
    }
    //循环输出当月天
    //getThisMonthDay()获取当月天数
    for (var i = 1; i < getThisMonthDay(thisYear, thisMonth) + 1; i++) {
     // if (thisYear == nowYear && thisMonth == nowMonth && i == nowDay) {
     //  //今天的显示
     //  if (getThisWeekDay(thisYear, thisMonth, i) == 6 || getThisWeekDay(thisYear, thisMonth, i) == 0) {
     //   //今天是周末
     //   createDoc += '<span class="days anyDay" data- style="background-color:#4eccc4;color:#FFFFFF;cursor:pointer;">' + i + '</span>';
     //  } else {
     //   createDoc += '<span class="days anyDay" style="background-color:#4eccc4;color:#FFFFFF;cursor:pointer;">' + i + '</span>';
     //  }
     // } else {
      // 不可选择的变成灰色, 目前是周末变成灰色
      // if (getThisWeekDay(thisYear, thisMonth, i) == 6 || getThisWeekDay(thisYear, thisMonth, i) == 0) {
      //  // onClick="setInput(' + i + ')"
      //  createDoc += '<span id="weekends" class="days anyDay"" style="color:#ccc; cursor:pointer;">' + i + '</span>';
      // } else {
       // console.log(nowDay, 'nowDay-------------')
       if (i == nowDay) {
        createDoc += `<div class="days anyDay" data-date="${thisYear}-${thisMonth}-${i}" style="cursor:pointer;background-color:#4eccc4;color:#FFFFFF;">${i}<div class="timeList">`;
       } else {
        createDoc += `<div class="days anyDay" data-date="${thisYear}-${thisMonth}-${i}" style="cursor:pointer;">${i}<div class="timeList">`;
       }
     
       let weeknum = getThisWeekDay(thisYear, thisMonth, i)
       let weektext = '周' + weekDays[weeknum]
       for (let _i = 0; _i < interviewtimelist.length; _i++) {
        if (weeknum == interviewtimelist[_i].week) {
         createDoc += `<p class='interViewTime' style="width: 100%; border-bottom: 1px solid #ccc;" data-week="${interviewtimelist[_i].week}" data-time="${interviewtimelist[_i].time}" data-amorpm="${interviewtimelist[_i].amorpm}">${weektext} ${interviewtimelist[_i].amorpm} ${interviewtimelist[_i].time}</p>`
          }
       }
       createDoc += '</div></div>'

       
      // }
     // }
     //星期六换行
     if (getThisWeekDay(thisYear, thisMonth, i) == 6) {
      createDoc += "</tr>";
     }
    }
    createDoc += '</div></div>';
    $('#testID').html(createDoc)
    //将创建好的控件字符串添加到div中
    //默认选择当前年份
    console.log(thisMonth, '当前月份为-------------')
    $('#selectYear').val(thisYear)
    //默认选择当前月 
    $('#selectMonth').val(thisMonth)
    if (thisMonth == 1) {
     $('#selectMonth').val('1')
    }
    console.log(thisMonth, '当前月份为-------------', $('#selectMonth').val())
   }//日历创建结束
   // //跳转到当前日 
   function getThisDay() {
    checkYear = nowYear;
    checkMonth = nowMonth;
    createDate(checkYear, checkMonth);
   }

   //上一个月
   $(document).on('click', '#lastMonth', function (event) {
    event.stopPropagation()
    lastMonthClick()
   })
   function lastMonthClick() {
    //若当前是1月份,年份减一,月份变为12
    if (checkMonth == 1) {
     checkYear = checkYear - 1;
     checkMonth = 12;
    } else {
     checkMonth = checkMonth - 1;
    }
    //创建当前月份日期
    createDate(checkYear, checkMonth);
   }

   //下一月
   $(document).on('click', '#nextMonth', function (event) {
    event.stopPropagation()
    nextMonthClick()
   })
   function nextMonthClick() {
    //若当前是12月份,年份加1,月份变为1
    if (checkMonth == 12) {
     checkYear = parseInt(checkYear + 1);
     checkMonth = 1;
    } else {
     checkMonth = parseInt(checkMonth + 1);
    }
    //创建当前月份日期
    createDate(checkYear, checkMonth);
   }

   //年月下拉框-年selectMonth
   $(document).on('click', '.selectStyle', function (event) {
    event.stopPropagation()
   })
   $(document).on('click', '.selectStyle option', function (event) {
    event.stopPropagation()
   })
   // 点击年份
   $(document).on('change', '#selectYear', function (event) {
    event.stopPropagation()
    changeYearAndMonth()
   })
   
   //年月下拉框-月
   $(document).on('change', '#selectMonth', function (event) {
    event.stopPropagation()
    changeYearAndMonth()
   })
   function changeYearAndMonth() {
    checkYear = $('#selectYear').val()
    checkMonth = $('#selectMonth').val();
    
    createDate(checkYear, checkMonth);
   }

   //判断是否为闰年 
   function isLeapYear(year) {
    var isLeap = false;
    if (0 == year % 4 && ((year % 100 != 0) || (year % 400 == 0))) {
     //闰年可以被4整除且不能被100整除,或者能整除400
     isLeap = true;
    }
    return isLeap;
   }

   //获取某月份的总天数
   function getThisMonthDay(year, month) {
    var thisDayCount = lastDays[month - 1]; //获取当前月份的天数
    if ((month == 2) && isLeapYear(year)) {
     //若当前月份为2月,并且是闰年,天数加1
     thisDayCount++;
    }
    return thisDayCount;
   }

   //计算某天是星期几
   function getThisWeekDay(year, month, date) {
    //将年月日创建Date对象,返回当前星期几
    var thisDate = new Date(year, month - 1, date);
    return thisDate.getDay();
   }
   /**
    * 
    * @param {*} curdate 鼠标滑过的日期
    * @param {*} today 今天的日期
    */
   function compareDate(curdate) {
    let today = Date.parse(nowYear + '-' + nowMonth + '-' + nowDay)
    let cur = Date.parse(curdate)
    if (cur <= today) {
     return false
    } else {
     return true
    }
    // var cur = curdate.split('-')
    // var c = Date.parse(curdate)
    
   }
   $(document).on('mouseover', '.anyDay', function (event) {
    event.stopPropagation()
    console.log($(this).context.dataset.date)
    let canclick = compareDate($(this).context.dataset.date) "none";
   }

目前可以实现需求了,但还有很多的不足,如果有好的建议,欢迎留言哦~

DDR爱好者之家 Design By 杰米
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DDR爱好者之家 Design By 杰米

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