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<pre class="blockcode"><code class="hljs cs">import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">class</span> DateUtils {
<span class="hljs-comment">// 获取当天的开始时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> java.util.Date <span class="hljs-title">getDayBegin</span>() {
Calendar cal = <span class="hljs-keyword">new</span> GregorianCalendar();
cal.<span class="hljs-keyword">set</span>(Calendar.HOUR_OF_DAY, <span class="hljs-number">0</span>);
cal.<span class="hljs-keyword">set</span>(Calendar.MINUTE, <span class="hljs-number">0</span>);
cal.<span class="hljs-keyword">set</span>(Calendar.SECOND, <span class="hljs-number">0</span>);
cal.<span class="hljs-keyword">set</span>(Calendar.MILLISECOND, <span class="hljs-number">0</span>);
<span class="hljs-keyword">return</span> cal.getTime();
}
<span class="hljs-comment">// 获取当天的结束时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> java.util.Date <span class="hljs-title">getDayEnd</span>() {
Calendar cal = <span class="hljs-keyword">new</span> GregorianCalendar();
cal.<span class="hljs-keyword">set</span>(Calendar.HOUR_OF_DAY, <span class="hljs-number">23</span>);
cal.<span class="hljs-keyword">set</span>(Calendar.MINUTE, <span class="hljs-number">59</span>);
cal.<span class="hljs-keyword">set</span>(Calendar.SECOND, <span class="hljs-number">59</span>);
<span class="hljs-keyword">return</span> cal.getTime();
}
<span class="hljs-comment">// 获取昨天的开始时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Date <span class="hljs-title">getBeginDayOfYesterday</span>() {
Calendar cal = <span class="hljs-keyword">new</span> GregorianCalendar();
cal.setTime(getDayBegin());
cal.add(Calendar.DAY_OF_MONTH, -<span class="hljs-number">1</span>);
<span class="hljs-keyword">return</span> cal.getTime();
}
<span class="hljs-comment">// 获取昨天的结束时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Date <span class="hljs-title">getEndDayOfYesterDay</span>() {
Calendar cal = <span class="hljs-keyword">new</span> GregorianCalendar();
cal.setTime(getDayEnd());
cal.add(Calendar.DAY_OF_MONTH, -<span class="hljs-number">1</span>);
<span class="hljs-keyword">return</span> cal.getTime();
}
<span class="hljs-comment">// 获取明天的开始时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Date <span class="hljs-title">getBeginDayOfTomorrow</span>() {
Calendar cal = <span class="hljs-keyword">new</span> GregorianCalendar();
cal.setTime(getDayBegin());
cal.add(Calendar.DAY_OF_MONTH, <span class="hljs-number">1</span>);
<span class="hljs-keyword">return</span> cal.getTime();
}
<span class="hljs-comment">// 获取明天的结束时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Date <span class="hljs-title">getEndDayOfTomorrow</span>() {
Calendar cal = <span class="hljs-keyword">new</span> GregorianCalendar();
cal.setTime(getDayEnd());
cal.add(Calendar.DAY_OF_MONTH, <span class="hljs-number">1</span>);
<span class="hljs-keyword">return</span> cal.getTime();
}
<span class="hljs-comment">// 获取本周的开始时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Date <span class="hljs-title">getBeginDayOfWeek</span>() {
Date date = <span class="hljs-keyword">new</span> Date();
<span class="hljs-keyword">if</span> (date == <span class="hljs-keyword">null</span>) {
<span class="hljs-keyword">return</span> <span class="hljs-keyword">null</span>;
}
Calendar cal = Calendar.getInstance();
cal.setTime(date);
<span class="hljs-keyword">int</span> dayofweek = cal.<span class="hljs-keyword">get</span>(Calendar.DAY_OF_WEEK);
<span class="hljs-keyword">if</span> (dayofweek == <span class="hljs-number">1</span>) {
dayofweek += <span class="hljs-number">7</span>;
}
cal.add(Calendar.DATE, <span class="hljs-number">2</span> - dayofweek);
<span class="hljs-keyword">return</span> getDayStartTime(cal.getTime());
}
<span class="hljs-comment">// 获取本周的结束时间</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Date <span class="hljs-title">getEndDayOfWeek</span>() {
Calendar cal = Calendar.getInstance();
cal.setTime(getBeginDayOfWeek());
cal.add(Calendar.DAY_OF_WEEK, <span class="hljs-number">6</span>);
Date weekEndSta = cal.getTime();
<span class="hljs-keyword">return</span> getDayEndTime(weekEndSta);
}
<span class="hljs-comment">// 获取本月的开始时间</span>
<span class="hljs-keyword">public |
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