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流量统计功能
显示效果：
总访问量：399
今日流量：14
昨日流量：16
本代码仅供学习交流，其中必有不妥之处。请见谅！
--
-- 表的结构 mycounter
--
<div class="codetitle"><a style="CURSOR: pointer" data="179" class="copybut" id="copybut179" onclick="doCopy('code179')"> 代码如下:<div class="codebody" id="code179">
CREATE TABLE mycounter (
id int(11) NOT NULL auto_increment,
Counter int(11) NOT NULL,
CounterLastDay int(10) default NULL,
CounterToday int(10) default NULL,
RecordDate date NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=gbk AUTO_INCREMENT=2 ;
函数过程如下：
<div class="codetitle"><a style="CURSOR: pointer" data="91893" class="copybut" id="copybut91893" onclick="doCopy('code91893')"> 代码如下:<div class="codebody" id="code91893">
<?PHP
public function ShowMyCounter(){
//定义变量
$IsGone = FALSE;
//读取数据
$querysql = "SELECT FROM mycounter WHERE id = Ƈ' ";
$queryset = mysql_query($querysql);
$row = mysql_fetch_array($queryset);
//获得时间量
$DateNow = date('Y-m-d');
$RecordDate = $row['RecordDate'];
$DateNow_explode = explode("-",$DateNow);
$RecordDate_explode = explode("-",$RecordDate);
//判断是否已过去一天
if( $DateNow_explode[0] > $RecordDate_explode[0]) $IsGone = TRUE;
else if( $DateNow_explode[0] == $RecordDate_explode[0] ){
if( $DateNow_explode[1] > $RecordDate_explode[1] ) $IsGone = TRUE;
else if( $DateNow_explode[1] == $RecordDate_explode[1] ){
if( $DateNow_explode[2] > $RecordDate_explode[2] ) $IsGone = TRUE;
}else BREAK;
}else BREAK;
//根据IsGone进行相应操作
IF($IsGone) {
$RecordDate = $DateNow;
$CounterToday = 0;
$CounterLastDay = $row['CounterToday'];
$upd_sql = "update mycounter set RecordDate = '$RecordDate',CounterToday = '$CounterToday',CounterLastDay = '$CounterLastDay' WHERE id = Ƈ' ";
mysql_query($upd_sql);
}
//再次获取数据
$querysql = "SELECT FROM mycounter WHERE id = Ƈ' ";
$queryset = mysql_query($querysql);
$Counter = $row['Counter'];
$CounterToday = $row['CounterToday'];
$CounterLastDay = $row['CounterLastDay'];
if($row = mysql_fetch_array($queryset) ){
if( $_COOKIE["user"] != "oldGuest" ){
$Counter = ++$row['Counter'];
$CounterToday = ++$row['CounterToday'];
$upd_sql = "update mycounter set counter = '$Counter',CounterToday = '$CounterToday' WHERE id = Ƈ' ";
$myquery = mysql_query($upd_sql);
}
echo "总访问量：".$Counter;
echo "
";
echo "今日流量：".$CounterToday;
echo "
";
echo "昨日流量：".$CounterLastDay;
}else{//如果数据库为空时，相应的操作
}
}
?>
当然，需要在文件第一行开始写出如下代码：
<div class="codetitle"><a style="CURSOR: pointer" data="69867" class="copybut" id="copybut69867" onclick="doCopy('code69867')"> 代码如下:<div class="codebody" id="code69867">
<?PHP
session_start();
if( !isset($_COOKIE["user"]) ){
setcookie("user","newGuest",time()+3600);
}else {
setcookie("user","oldGuest");
}
?>
（编辑：李大同）
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