<?php
//登陸頁面設(shè)置的session,當(dāng)session中存在name時(shí)
//session_start();
//$name = $_SESSION['name'];
//if (empty($name)){
// header("Location: error.php");
// exit();
//}
//面向過程, 數(shù)據(jù)分頁顯示
if(false!=($mysql = mysql_connect('本地mysql', 'mysql用戶名', 'mysql密碼'))){
mysql_query('set names utf8',$mysql); //設(shè)置數(shù)據(jù)庫中的編碼
mysql_select_db("數(shù)據(jù)庫database",$mysql);
}else{
die("連接失敗");
}


$pageSize = 10; //頁面顯示條數(shù)
$rowCount = 0; //數(shù)據(jù)總條數(shù),從數(shù)據(jù)庫獲得

$sqlCount = 'select count(id) from employee';
$res1 = mysql_query($sqlCount,$mysql);

//取出數(shù)據(jù)條數(shù)
if(false!=($row=mysql_fetch_row($res1))){
$rowCount = $row[0];
}

//總頁數(shù),通過計(jì)算得到
$pageCount = 0;
$pageCount = ceil($rowCount/$pageSize);

//獲取當(dāng)前頁
if(!isset($_GET['pageNow'])){ // 當(dāng) get/post都為空的時(shí)候賦默認(rèn)值1
$pageNow = 1; //當(dāng)前頁數(shù)
}elseif(false!=is_numeric($_GET['pageNow']) && $_GET['pageNow']<=$pageCount){
$pageNow = $_GET['pageNow'];
}else{
header("Location: ../Error/error.php");
exit();
}
//打印分頁數(shù)據(jù)
echo "<div style='margin-left:300px;margin-top:1px;'>";
echo "<table style='border:1px;border-style:solid;border-width:1px;border-color:green'>";
echo "<tr><th>id</th>&nbsp;<th>name</th>&nbsp;<th>age</th>&nbsp;<th>sex</th>&nbsp;<th>birthday</th>&nbsp;<th>編輯雇員</th>&nbsp;<th>刪除雇員</th>&nbsp;</tr>";
$sqList = "select id,name,age,sex,birthday from employee limit ".($pageNow-1)*$pageSize.",".$pageSize;
$res2 = mysql_query($sqList,$mysql);
while (false!=($row=mysql_fetch_assoc($res2))){
echo "<tr><td>{$row['id']}</td>&nbsp;<td>{$row['name']}</td>&nbsp;<td>{$row['age']}</td>&nbsp;<td>{$row['sex']}</td>&nbsp;<td>{$row['birthday']}</td>&nbsp;<td><a href=#>編輯</a></td>&nbsp;<td><a href=#>刪除</a></td></tr>";
}
echo "</table>";
//表單控制顯示頁數(shù)
echo "<form action='當(dāng)前頁'>";
//上一頁按鈕
if($pageNow>1){
$pageUp = $pageNow-1;
echo "<a href='?pageNow=".$pageUp."'>上一頁</a>&nbsp;";
}

//下一頁按鈕
if($pageNow<$pageCount){
$pageDown = $pageNow+1;
echo "<a href='?pageNow=".$pageDown."'>下一頁</a>&nbsp;<br/>";
}

//后退十頁按鈕
if($pageNow-10>0){
echo "<a href='?pageNow=".($pageNow-10)."'>&lt;&lt;&lt;</a>&nbsp;";
}


//向本頁傳遞當(dāng)前顯示的頁數(shù),并顯示第幾頁按鈕
for($i=1;$i<=$pageCount;$i++){

if($i>$pageNow-2 && $i<$pageNow+6){
if($i!=$pageNow){
echo "<a href='?pageNow=".$i."'>第".$i."頁</a>&nbsp;";
}
}
}

//前進(jìn)十頁
if($pageNow+10<=$pageCount){
echo "<a href='?pageNow=".($pageNow+10)."'>&gt;&gt;&gt;</a>&nbsp;";
}

//顯示當(dāng)前頁與總頁數(shù)
echo "<br/>當(dāng)前頁".$pageNow."頁/共".$pageCount."頁";


//跳轉(zhuǎn)頁
echo "跳轉(zhuǎn)到:<input type='text' name='pageNow' id='pageNow' style='width:30px;height:20px'/>頁<input type='submit' style='width:37px;height:20px;font-size:11px;' value='go'/>";
echo "</form>";
echo "</div>";
?>