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No JS, complete PHP process data paging implementation code_PHP tutorial

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WBOYOriginal
2016-07-21 15:16:252576browse

Copy code The code is as follows:

//Session set on the login page, when name exists in the session
//session_start();
//$name = $_SESSION['name'];
//if (empty($name)){
// header("Location: error .php");
// exit();
//}
//Process-oriented, data is displayed in pages
if(false!=($mysql = mysql_connect('local mysql', 'mysql username', 'mysql password'))){
mysql_query('set names utf8',$mysql); //Set the encoding in the database
mysql_select_db("database database",$mysql);
}else{
die("Connection failed");
}


$pageSize = 10; //Number of items displayed on the page
$rowCount = 0; / /Total number of data, obtained from the database

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

/ /Get the number of data items
if(false!=($row=mysql_fetch_row($res1))){
$rowCount = $row[0];
}

//Total The number of pages is calculated by
$pageCount = 0;
$pageCount = ceil($rowCount/$pageSize);

//Get the current page
if(!isset($_GET ['pageNow'])){ // When get/post are empty, assign the default value 1
$pageNow = 1; //Current page number
}elseif(false!=is_numeric($_GET[ 'pageNow']) && $_GET['pageNow']<=$pageCount){
$pageNow = $_GET['pageNow'];
}else{
header("Location: .. /Error/error.php");
exit();
}
//Print paging data
echo "
";
echo "";
echo "< tr> ;Edit employee";
$sqList = "select id,name,age,sex,birthday from employee limit ".($ pageNow-1)*$pageSize.",".$pageSize;
$res2 = mysql_query($sqList,$mysql);
while (false!=($row=mysql_fetch_assoc($res2))){
echo " < ;td>Edit ";
}
echo "
id name age Delete employee
{$row['id']} {$row['name']} { $row['age']} {$row['sex']} {$row['birthday']} Delete
";
//Form control display page number
echo "
";
/ /Previous page button
if($pageNow>1){
$pageUp = $pageNow-1;
echo " Previous page ";
}

//Next page button
if($pageNow<$pageCount){
$pageDown = $pageNow+1;
echo "Next page
";
}

// Back ten pages button
if($pageNow-10>0){
echo "<<< ";
}


//Pass the number of pages currently displayed to this page and display the page button
for($i=1;$i< ;=$pageCount;$i++){

if($i>$pageNow-2 && $i<$pageNow+6){
if($i!=$pageNow){
echo "Page ".$i." ";
}
}
}

//Forward ten pages
if($pageNow+10<=$pageCount){
echo " >>> ";
}

//Display the current page and total number of pages
echo "
Current page".$pageNow. "Pages/Total".$pageCount."Page";


//Jump to page
echo "Jump to:page";
echo "
";
echo "
";
?>

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