PHP设计日历类一 （38），日历38
由两个文件组成：
第一个test.php
<style><span>
table {
border:1px solid #</span><span>050</span><span>;
}
.fontb {
color:white;
background:blue;
}
th {
width:30px;
}
td,th {
height:30px;
text</span>-<span>align:center;
}
form {
margin:0px;
padding:0px;
}
</span></style>
<?<span>php
include </span><span>"</span><span>calendar.class.php</span><span>"</span><span>;
$calendar</span>=<span>new</span><span> Calendar;
$calendar</span>-><span>out</span>();
第二个日历类：calendar.class.php
<?<span>php
</span><span>class</span><span> Calendar {
</span><span>private</span> $year; <span>//</span><span>当前的年</span>
<span>private</span> $month; <span>//</span><span>当前的月</span>
<span>private</span> $start_weekday; <span>//</span><span>当月的第一天对应的是周几</span>
<span>private</span> $days; <span>//</span><span>当前月一共多少天</span>
<span>
function __construct(){
$</span><span>this</span>->year=isset($_GET[<span>"</span><span>year</span><span>"</span>]) ? $_GET[<span>"</span><span>year</span><span>"</span>] : date(<span>"</span><span>Y</span><span>"</span><span>);
$</span><span>this</span>->month=isset($_GET[<span>"</span><span>month</span><span>"</span>]) ? $_GET[<span>"</span><span>month</span><span>"</span>] : date(<span>"</span><span>m</span><span>"</span><span>);
$</span><span>this</span>->start_weekday=date(<span>"</span><span>w</span><span>"</span>, mktime(<span>0</span>, <span>0</span>, <span>0</span>, $<span>this</span>->month, <span>1</span>, $<span>this</span>-><span>year));
$</span><span>this</span>->days=date(<span>"</span><span>t</span><span>"</span>, mktime(<span>0</span>, <span>0</span>, <span>0</span>, $<span>this</span>->month, <span>1</span>, $<span>this</span>-><span>year));
}
function </span><span>out</span><span>(){
echo </span><span>'</span><span><table align="center"></span><span>'</span><span>;
$</span><span>this</span>->chageDate(<span>"</span><span>test.php</span><span>"</span><span>);
$</span><span>this</span>-><span>weeksList();
$</span><span>this</span>-><span>daysList();
echo </span><span>'</span><span></table></span><span>'</span><span>;
}
</span><span>private</span><span> function weeksList(){
$week</span>=array(<span>'</span><span>日</span><span>'</span>,<span>'</span><span>一</span><span>'</span>,<span>'</span><span>二</span><span>'</span>,<span>'</span><span>三</span><span>'</span>,<span>'</span><span>四</span><span>'</span>,<span>'</span><span>五</span><span>'</span>,<span>'</span><span>六</span><span>'</span><span>);
echo </span><span>'</span><span><tr></span><span>'</span><span>;
</span><span>for</span>($i=<span>0</span>; $i<count($week); $i++<span>)
echo </span><span>'</span><span><th class="fontb"></span><span>'</span>.$week[$i].<span>'</span><span></th></span><span>'</span><span>;
echo </span><span>'</span><span></tr></span><span>'</span><span>;
}
</span><span>private</span><span> function daysList(){
echo </span><span>'</span><span><tr></span><span>'</span><span>;
</span><span>//</span><span>输出空格(当前一月第一天前面要空出来)</span>
<span>for</span>($j=<span>0</span>; $j<$<span>this</span>->start_weekday; $j++<span>)
echo </span><span>'</span><span><td> </td></span><span>'</span><span>;
</span><span>for</span>($k=<span>1</span>; $k<=$<span>this</span>->days; $k++<span>){
$j</span>++<span>;
</span><span>if</span>($k==date(<span>'</span><span>d</span><span>'</span><span>))
echo </span><span>'</span><span><td class="fontb"></span><span>'</span>.$k.<span>'</span><span></td></span><span>'</span><span>;
</span><span>else</span><span>
echo </span><span>'</span><span><td></span><span>'</span>.$k.<span>'</span><span></td></span><span>'</span><span>;
</span><span>if</span>($j%<span>7</span>==<span>0</span><span>)
echo </span><span>'</span><span></tr><tr></span><span>'</span><span>;
}
</span><span>//</span><span>后面几个空格</span>
<span>while</span>($j%<span>7</span>!==<span>0</span><span>){
echo </span><span>'</span><span><td> </td></span><span>'</span><span>;
$j</span>++<span>;
}
echo </span><span>'</span><span></tr></span><span>'</span><span>;
}
</span><span>private</span><span> function prevYear($year, $month){
$year</span>=$year-<span>1</span><span>;
</span><span>if</span>($year < <span>1970</span><span>)
$year </span>= <span>1970</span><span>;
</span><span>return</span> <span>"</span><span>year={$year}&month={$month}</span><span>"</span><span>;
}
</span><span>private</span><span> function prevMonth($year, $month){
</span><span>if</span>($month == <span>1</span><span>) {
$year </span>= $year -<span>1</span><span>;
</span><span>if</span>($year < <span>1970</span><span>)
$year </span>= <span>1970</span><span>;
$month</span>=<span>12</span><span>;
}</span><span>else</span><span>{
$month</span>--<span>;
}
</span><span>return</span> <span>"</span><span>year={$year}&month={$month}</span><span>"</span><span>;
}
</span><span>private</span><span> function nextYear($year, $month){
$year </span>= $year + <span>1</span><span>;
</span><span>if</span>($year > <span>2038</span><span>)
$year </span>= <span>2038</span><span>;
</span><span>return</span> <span>"</span><span>year={$year}&month={$month}</span><span>"</span><span>;
}
</span><span>private</span><span> function nextMonth($year, $month){
</span><span>if</span>($month==<span>12</span><span>){
$year</span>++<span>;
</span><span>if</span>($year > <span>2038</span><span>)
$year</span>=<span>2038</span><span>;
$month</span>=<span>1</span><span>;
}</span><span>else</span><span>{
$month</span>++<span>;
}
</span><span>return</span> <span>"</span><span>year={$year}&month={$month}</span><span>"</span><span>;
}
</span><span>private</span> function chageDate($url=<span>""</span><span>){
echo </span><span>'</span><span><tr></span><span>'</span><span>;
echo </span><span>'</span><span><td><a href="?</span><span>'</span>.$<span>this</span>->prevYear($<span>this</span>->year, $<span>this</span>->month).<span>'</span><span>"></span><span>'</span>.<span>'</span><span><<</span><span>'</span>.<span>'</span><span></a></td></span><span>'</span><span>;
echo </span><span>'</span><span><td><a href="?</span><span>'</span>.$<span>this</span>->prevMonth($<span>this</span>->year, $<span>this</span>->month).<span>'</span><span>"></span><span>'</span>.<span>'</span><span><</span><span>'</span>.<span>'</span><span></a></td></span><span>'</span><span>;
echo </span><span>'</span><span><td colspan="3"></span><span>'</span><span>;
echo </span><span>'</span><span><form></span><span>'</span><span>;
echo </span><span>'</span><span><select name="year" onchange="window.location=\'</span><span>'</span>.$url.<span>'</span><span>?year=\'+this.options[selectedIndex].value+\'&month=</span><span>'</span>.$<span>this</span>->month.<span>'</span><span>\'"></span><span>'</span><span>;
</span><span>for</span>($sy=<span>1970</span>; $sy <= <span>2038</span>; $sy++<span>){
$selected </span>= ($sy==$<span>this</span>->year) ? <span>"</span><span>selected</span><span>"</span> : <span>""</span><span>;
echo </span><span>'</span><span><option </span><span>'</span>.$selected.<span>'</span><span> value="</span><span>'</span>.$sy.<span>'</span><span>"></span><span>'</span>.$sy.<span>'</span><span></option></span><span>'</span><span>;
}
echo </span><span>'</span><span></select></span><span>'</span><span>;
echo </span><span>'</span><span><select name="month" onchange="window.location=\'</span><span>'</span>.$url.<span>'</span><span>?year=</span><span>'</span>.$<span>this</span>->year.<span>'</span><span>&month=\'+this.options[selectedIndex].value"></span><span>'</span><span>;
</span><span>for</span>($sm=<span>1</span>; $sm<=<span>12</span>; $sm++<span>){
$selected1 </span>= ($sm==$<span>this</span>->month) ? <span>"</span><span>selected</span><span>"</span> : <span>""</span><span>;
echo </span><span>'</span><span><option </span><span>'</span>.$selected1.<span>'</span><span> value="</span><span>'</span>.$sm.<span>'</span><span>"></span><span>'</span>.$sm.<span>'</span><span></option></span><span>'</span><span>;
}
echo </span><span>'</span><span></select></span><span>'</span><span>;
echo </span><span>'</span><span></form></span><span>'</span><span>;
echo </span><span>'</span><span></td></span><span>'</span><span>;
echo </span><span>'</span><span><td><a href="?</span><span>'</span>.$<span>this</span>->nextYear($<span>this</span>->year, $<span>this</span>->month).<span>'</span><span>"></span><span>'</span>.<span>'</span><span>>></span><span>'</span>.<span>'</span><span></a></td></span><span>'</span><span>;
echo </span><span>'</span><span><td><a href="?</span><span>'</span>.$<span>this</span>->nextMonth($<span>this</span>->year, $<span>this</span>->month).<span>'</span><span>"></span><span>'</span>.<span>'</span><span>></span><span>'</span>.<span>'</span><span></a></td></span><span>'</span><span>;
echo </span><span>'</span><span></tr></span><span>'</span><span>;
}
}</span>
效果：
陳述
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