Java 周历日历

WeekCalendarUtils工具类代码，传入起始日期即可返回对应日期的周历日历，年月部分添加周数统计

import java.util.Calendar;
import java.util.Date;
import java.util.Map;

import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.apache.commons.lang3.time.DateUtils;

import com.google.common.collect.Maps;

/**
 * <b>function:</b> 周历
 * 
 * @author hoojo
 * @createDate 2016-11-21 上午11:02:08
 * @file WeekCalendarUtils.java
 * @package 
 * @project 
 * @blog http://blog.csdn.net/IBM_hoojo
 * @email hoojo_@126.com
 * @version 1.0
 */
public abstract class WeekCalendarUtils {

    public final static String DATE_FORMAT = "yyyy-MM-dd";  
    
    private static String getWeekDay(Calendar cal) {
        if (cal == null) {
            return null;
        }
        
        switch (cal.get(Calendar.DAY_OF_WEEK)) {
        
            case Calendar.MONDAY:
                return "星期一";
            case Calendar.TUESDAY:
                return "星期二";
            case Calendar.WEDNESDAY:
                return "星期三";
            case Calendar.THURSDAY:
                return "星期四";
            case Calendar.FRIDAY:
                return "星期五";
            case Calendar.SATURDAY:
                return "星期六";
            default:
                return "星期日";
        }
    }
    
    private static String getSimpleWeekDay(Calendar cal) {
        if (cal == null) {
            return null;
        }
        
        switch (cal.get(Calendar.DAY_OF_WEEK)) {
        
            case Calendar.MONDAY:
                return "一";
            case Calendar.TUESDAY:
                return "二";
            case Calendar.WEDNESDAY:
                return "三";
            case Calendar.THURSDAY:
                return "四";
            case Calendar.FRIDAY:
                return "五";
            case Calendar.SATURDAY:
                return "六";
            default:
                return "日";
        }
    }
    
    public static String[] getWeekDays(boolean hasMonFirstWeekDay) {
        if (hasMonFirstWeekDay) {
            return new String[] { "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日" };
        } else {
            return new String[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
        }
    }

    /**
     * <b>function:</b> 获取周历
     * @author hoojo
     * @createDate 2016-11-21 下午6:00:18
     * @param begin 开始日期
     * @param end 结束日期
     * @return 周历Map
     */
    public static Map<Integer, YearModel> get(String begin, String end, boolean hasMonFirstWeekDay) {
        
        Map<Integer, YearModel> years = Maps.newLinkedHashMap();
        
        Date beginDate = null;
        Date endDate = null;
        
        try {
            beginDate = DateUtils.parseDate(begin, DATE_FORMAT);
            endDate = DateUtils.parseDate(end, DATE_FORMAT);
            
            if (beginDate.compareTo(endDate) > 0) {
                return null;
            }
            
            int weekCount = 0, monthWeekCount = 0;
            do {
                Calendar cal = DateUtils.toCalendar(beginDate);
                if (hasMonFirstWeekDay) {
                    cal.setFirstDayOfWeek(Calendar.MONDAY);
                }
                
                Map<Integer, MonthModel> months = Maps.newLinkedHashMap();
                int year = cal.get(Calendar.YEAR);
                YearModel yearModel = null;
                if (years.containsKey(year)) {
                    yearModel = years.get(year);
                    months = yearModel.getMonths();
                } else {
                    yearModel = new YearModel(year, year + "年", months);
                    years.put(year, yearModel);
                    
                    weekCount = 0;
                }
                
                Map<String, WeekModel> weeks = Maps.newLinkedHashMap();
                int month = cal.get(Calendar.MONTH) + 1;
                MonthModel monthModel = null;
                if (months.containsKey(month)) {
                     monthModel = months.get(month);
                     weeks = monthModel.getWeeks();
                } else {
                    monthModel = new MonthModel(month, year + "年" + month + "月", weeks);
                    months.put(month, monthModel);
                    
                    monthWeekCount = 0;
                }
                
                Map<String, DayModel> days = Maps.newLinkedHashMap();
                int weekInMonth = cal.get(Calendar.WEEK_OF_MONTH);
                String week = cal.getWeekYear() + "_" + month + "_" + weekInMonth;
                if (weeks.containsKey(week)) {
                    days = weeks.get(week).getDays();
                } else {
                    weeks.put(week, new WeekModel(weekInMonth, month + "月第" + weekInMonth + "周", days));
                    
                    monthWeekCount++;
                    weekCount++;
                    monthModel.setWeekCount(monthWeekCount);
                    yearModel.setWeekCount(weekCount);
                }
                
                String weekDay = getWeekDay(cal);
                days.put(week + "_" + weekDay, new DayModel(cal.get(Calendar.DAY_OF_MONTH), weekDay, getSimpleWeekDay(cal), beginDate));
                /*
                System.out.println("日期：" + DateFormatUtils.format(beginDate, DATE_FORMAT));
                System.out.println("年份：" + cal.getWeekYear());
                System.out.println("月份：" + (cal.get(Calendar.MONTH) + 1));
                System.out.println("星期：" + cal.get(Calendar.DAY_OF_WEEK));
                System.out.println("本月周次：" + cal.get(Calendar.WEEK_OF_MONTH));
                System.out.println();
                */
                beginDate = DateUtils.addDays(beginDate, 1);
            } while (beginDate.compareTo(endDate) <= 0);
            
        } catch (Exception e) {
            e.printStackTrace();
        }
        return years;
    }
    
    public static Map<Integer, YearModel> get(Date beginDate, Date endDate, boolean hasMonFirstWeekDay) {
        
        try {
            return get(DateFormatUtils.format(beginDate, DATE_FORMAT), DateFormatUtils.format(endDate, DATE_FORMAT), hasMonFirstWeekDay);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static class YearModel {
        private int yearName;
        private String displayName;
        private int weekCount;
        private Map<Integer, MonthModel> months;
        
        public YearModel(int yearName, String displayName, Map<Integer, MonthModel> months) {
            super();
            this.yearName = yearName;
            this.displayName = displayName;
            this.months = months;
        }
        
        public int getYearName() {
            return yearName;
        }
        public void setYearName(int yearName) {
            this.yearName = yearName;
        }
        public String getDisplayName() {
            return displayName;
        }
        public void setDisplayName(String displayName) {
            this.displayName = displayName;
        }
        public Map<Integer, MonthModel> getMonths() {
            return months;
        }
        public void setMonths(Map<Integer, MonthModel> months) {
            this.months = months;
        }
        
        @Override
        public String toString() {
            return ReflectionToStringBuilder.toString(this, ToStringStyle.SIMPLE_STYLE);
        }

        public int getWeekCount() {
            return weekCount;
        }

        public void setWeekCount(int weekCount) {
            this.weekCount = weekCount;
        }
    }
    
    public static class MonthModel {
        
        private int monthName;
        private String displayName;
        private int weekCount;
        private Map<String, WeekModel> weeks;
        
        public MonthModel(int monthName, String displayName, Map<String, WeekModel> weeks) {
            super();
            this.monthName = monthName;
            this.displayName = displayName;
            this.weeks = weeks;
        }
        
        public int getMonthName() {
            return monthName;
        }
        public void setMonthName(int monthName) {
            this.monthName = monthName;
        }
        public String getDisplayName() {
            return displayName;
        }
        public void setDisplayName(String displayName) {
            this.displayName = displayName;
        }
        public Map<String, WeekModel> getWeeks() {
            return weeks;
        }
        public void setWeeks(Map<String, WeekModel> weeks) {
            this.weeks = weeks;
        }
        public int getWeekCount() {
            return weekCount;
        }
        
        public void setWeekCount(int weekCount) {
            this.weekCount = weekCount;
        }
        @Override
        public String toString() {
            return ReflectionToStringBuilder.toString(this, ToStringStyle.SIMPLE_STYLE);
        }
    }
    
    public static class WeekModel {
        
        private int weekName;
        private String displayName;
        private Map<String, DayModel> days;
        
        public WeekModel(int weekName, String displayName, Map<String, DayModel> days) {
            super();
            this.weekName = weekName;
            this.displayName = displayName;
            this.days = days;
        }
        public int getWeekName() {
            return weekName;
        }
        public void setWeekName(int weekName) {
            this.weekName = weekName;
        }
        public String getDisplayName() {
            return displayName;
        }
        public void setDisplayName(String displayName) {
            this.displayName = displayName;
        }
        public Map<String, DayModel> getDays() {
            return days;
        }
        public void setDays(Map<String, DayModel> days) {
            this.days = days;
        }
        @Override
        public String toString() {
            return ReflectionToStringBuilder.toString(this, ToStringStyle.SIMPLE_STYLE);
        }
    }
    
    public static class DayModel {
        
        private int dayName;
        private String displayName;
        private String simpleName;
        private Date date;
        
        public DayModel(int dayName, String displayName, String simpleName, Date date) {
            super();
            this.dayName = dayName;
            this.displayName = displayName;
            this.simpleName = simpleName;
            this.date = date;
        }
        public int getDayName() {
            return dayName;
        }
        public void setDayName(int dayName) {
            this.dayName = dayName;
        }
        public String getDisplayName() {
            return displayName;
        }
        public void setDisplayName(String displayName) {
            this.displayName = displayName;
        }
        public Date getDate() {
            return date;
        }
        public void setDate(Date date) {
            this.date = date;
        }
        public String getSimpleName() {
            return simpleName;
        }
        public void setSimpleName(String simpleName) {
            this.simpleName = simpleName;
        }
        @Override
        public String toString() {
            return ReflectionToStringBuilder.toString(this, ToStringStyle.SIMPLE_STYLE);
        }
    }
    
    public static void main(String[] args) {
        System.out.println(get("2016-06-01", "2017-07-03", false));
    }
}

一个table页面展示部分

<style type="text/css">
    td {
        border: 1px solid black;
        background-color: #eeeeee;
        padding: 5px;
        text-align: center;
    }
    
    table {
        border-collapse: collapse;
        border-spacing: 5px;
        border: 1px solid black;
    }
    
    th {
        border: 1px solid black;
        background: #9DACBF;
        color: #FFF;
        height: 20px;
        line-height: 20px
    }
    
    body {
        font-family: "宋体", "Arial", "Helvetica";
        font-size: 12px;
        font-style: normal;
        font-weight: lighter;
    }
    
    .head {
        background-color: #ccc;
        font-weight: bold;
    }
    
    .head b {
        color: #337ab7;
    }
    
    .odd td {
        background-color: white;
    }
    
    .even td {
        background-color: lavender;
    }
</style>

<table class="xuenianTable" width="100%" cellspacing="0" cellpadding="0" border="0">
    <thead>
        <tr height="55">
            <th colspan="10" style="font-size: 28px;"> （${param.fileName }）教学周历</th>
        </tr>
        <tr height="35">
            <th width="10%">年份</th>
            <th width="10%">月份</th>
            <th width="10%">周次</th>
            <th width="10%">一</th>
            <th width="10%">二</th>
            <th width="10%">三</th>
            <th width="10%">四</th>
            <th width="10%">五</th>
            <th width="10%" style="color: #f34747;">六</th>
            <th width="10%" style="color: #f34747;">七</th>
        </tr>
    </thead>
    
    <tbody>
        
        <c:set var="weekCount" value="1"/>
        <c:forEach items="${result }" varStatus="st" var="year">
            <c:set var="yearFirst" value="true"/>
            <c:forEach items="${year.value.months }" var="month">
                <c:set var="monthFirst" value="true"/>
                <c:forEach items="${month.value.weeks }" var="week">
                    <tr class="zhuanjafora ${st.index % 2 == 0 ? 'odd' : 'even' }">
                        <c:if test="${yearFirst }">
                            <c:set var="yearFirst" value="false"/>
                            <td rowspan="${year.value.weekCount }" title="${year.value.displayName }">${year.value.displayName }</td>
                        </c:if>
                        <c:if test="${!monthFirst}">
                            <c:set var="weekCount" value="${weekCount + 1 }"/>
                        </c:if>
                        <c:if test="${monthFirst }">
                            <c:set var="monthFirst" value="false"/>
                            <td rowspan="${month.value.weekCount }" title="${month.value.displayName }">${month.value.monthName }月</td>
                        </c:if>
                        <td title="${week.value.displayName }">${weekCount }周</td>
                        <c:forEach items="${weekDays }" var="weekDay">
                            <c:set var="weekDayKey" value="${week.key}_${weekDay }"/>
                            <td title='${week.value.days[weekDayKey].displayName }  <fmt:formatDate value="${week.value.days[weekDayKey].date }" pattern="yyyy-MM-dd"/>' style="color: ${weekDay == '星期六' or weekDay == '星期日' ? 'red' : ''};">
                                ${week.value.days[weekDayKey].dayName }
                            </td>
                        </c:forEach>
                    </tr>
                </c:forEach>
            </c:forEach>
        </c:forEach>
    </tbody>
</table>

日历形式展示部分，在日历中一个周次不足6周会用空白格填充，来保证布局完整不错位。

<div style=" 100%; height: 490px; overflow: scroll;">
            
    <c:set var="weekCount" value="1"/>
    <c:forEach items="${result }" var="year">
        <c:set var="yearFirst" value="true"/>
        <c:forEach items="${year.value.months }" var="month" varStatus="st">
            <c:set var="monthFirst" value="true"/>
            <div style=" 400px; height: 230px; float: left; margin-bottom: 5px;">
                <table border="0" cellspacing="0" cellpadding="0" width="100%" class="zhouli">
                    <thead>
                        <tr height="35">
                            <th width="10%">年份</th>
                            <th width="10%">月份</th>
                            <th width="10%">周次</th>
                            <th width="10%">一</th>
                            <th width="10%">二</th>
                            <th width="10%">三</th>
                            <th width="10%">四</th>
                            <th width="10%">五</th>
                            <th width="10%" style="color: #f34747;">六</th>
                            <th width="10%" style="color: #f34747;">七</th>
                        </tr>
                    </thead>
                    
                    <tbody>
                        <c:set var="fillWeekCount" value="${6 - fn:length(month.value.weeks) }"/>
                        <c:forEach items="${month.value.weeks }" var="week">
                            <tr class="zhuanjafora ${st.index % 2 == 0 ? 'odd' : 'even' }">
                                <c:if test="${!monthFirst}">
                                    <c:set var="weekCount" value="${weekCount + 1 }"/>
                                </c:if>
                                <c:if test="${monthFirst }">
                                    <c:set var="monthFirst" value="false"/>
                                    <td rowspan="${month.value.weekCount + fillWeekCount }" title="${year.value.displayName }">${year.value.yearName }</td>
                                    <td rowspan="${month.value.weekCount + fillWeekCount }" title="${month.value.displayName }">${month.value.monthName }月</td>
                                </c:if>
                                <td title="${week.value.displayName }">${weekCount }周</td>
                                <c:forEach items="${weekDays }" var="weekDay">
                                    <c:set var="weekDayKey" value="${week.key}_${weekDay }"/>
                                    <td title='${week.value.days[weekDayKey].displayName }  <fmt:formatDate value="${week.value.days[weekDayKey].date }" pattern="yyyy-MM-dd"/>' style="color: ${weekDay == '星期六' or weekDay == '星期日' ? 'red' : ''};">
                                        ${week.value.days[weekDayKey].dayName }
                                    </td>
                                </c:forEach>
                            </tr>
                        </c:forEach>
                        
                        <c:forEach begin="1" end="${fillWeekCount }" var="i">
                            <tr class="zhuanjafora ${st.index % 2 == 0 ? 'odd' : 'even' }">
                                <td>&nbsp;</td>
                                <td>&nbsp;</td>
                                <td>&nbsp;</td>
                                <td>&nbsp;</td>
                                <td>&nbsp;</td>
                                <td>&nbsp;</td>
                                <td>&nbsp;</td>
                                <td>&nbsp;</td>
                            </tr>
                        </c:forEach>
                    </tbody>
                </table>
            </div>
        </c:forEach>
    </c:forEach>
    
</div>