<?php
$con = mysql_connect("localhost","username","password");

mysql_query("set character set 'utf8'");//读库

mysql_query("set names 'utf8'");//写库

if (!$con)
{
die('Could not connect: ' . mysql_error());
}

mysql_select_db("databasename", $con);

?>

输入关键词

<?php

header("Content-type: text/html; charset=utf-8");

include'conn.php';

$keyword=$_GET['keyword'];
if(!empty($keyword)){

$result =mysql_query( "select * from tablename where xxx like '%$keyword%' ");
}

else {
$result =mysql_query( "select * from tablename ");

}
$count = mysql_num_rows($result);
echo $count;
$Page_size=100;

$page_count = ceil($count/$Page_size);
$init=1;
$page_len=9;

$max_p=$page_count;

$pages=$page_count;

//判断当前页码

if(empty($_GET['page'])||$_GET['page']<0){

$page=1;

}else {

$page=$_GET['page'];

}

$offset=$Page_size*($page-1);

if(!empty($keyword)){
$sql="select * from tablename where xxx like '%$keyword%' limit $offset,$Page_size";

}

else {
$sql="select * from tablename limit $offset,$Page_size";

}

$result=mysql_query($sql,$con);

echo "";
echo "";
echo "axxx " ;
echo "bxxx " ;
echo "cxxx " ;
echo "";

while($row = mysql_fetch_array($result))
{
echo "";
echo " " .$row['a']."" ;
echo " " .$row['b']."";
echo " " .$row['c']."";
echo "";
}
echo "";

$page_len = ($page_len%2)?$page_len:$pagelen+1;//页码个数

$pageoffset = ($page_len-1)/2;//页码个数左右偏移量

$key.='';

$key.="$page/$pages "; //第几页,共几页

if($page!=1){

$key.="第一页 "; //第一页

$key.="上一页"; //上一页

}else {

$key.="第一页 ";//第一页

$key.="上一页"; //上一页
}

if($pages>$page_len){

//如果当前页小于等于左偏移

if($page<=$pageoffset){

$init=1;

$max_p = $page_len;

}else{//如果当前页大于左偏移

//如果当前页码右偏移超出最大分页数

if($page+$pageoffset>=$pages+1){

$init = $pages-$page_len+1;

}else{

//左右偏移都存在时的计算

$init = $page-$pageoffset;

$max_p = $page+$pageoffset;

}

}

}

for($i=$init;$i<=$max_p;$i++){

if($i==$page){

$key.=' '.$i.'';

} else {

$key.=" ".$i."";

}

}

if($page!=$pages){

$key.=" 下一页 ";//下一页

$key.="最后一页"; //最后一页

}else {

$key.="下一页";//下一页

$key.="最后一页"; //最后一页

}

$key.='';
echo "";

echo $key;

mysql_close($con);

?>

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