class RSPage {
var $Debug = 0;
var $sqoe = 1; // sqoe= show query on error
var $Link_ID = 0;
var $Record = array();
var $Row;
var $numRow;
var $Parse;
var $Error = "";
var $m_timeFmt = "YYYY-MM-DD HH24:MI:SS";
var $m_num=-1;
var $m_sql;
var $m_pageSize=10;
var $m_cmt;
var $m_curPage=1;
function open($DB_Link)
{
$this-Link_ID = $DB_Link;
}
function query($Query_String,$page=1,$cnt=-1,$size=10) {
if($Query_String=="")
{
echo "执行语句不能为空!";
return false;
}
if(!$page)
$page = 1;
if(!$cnt)
$cnt = -1;
$this-m_pageSize = $size;
if($this-Parse){
mysql_free_result($this-Parse);
}
if($cnt!=-1){
$this-m_num = $cnt;
}
else{
$result = mysql_query($Query_String, $this-Link_ID);
if(!$result){
$this-Error=mysql_error($this-Link_ID);
}
else{
$this-m_num = mysql_num_rows($result);
}
/*
$cntsql = "select count(*) max_num from ($Query_String)";
$maxnum = 0;
$result = mysql_query($sqlstr,$this-Link_ID);
$ret = mysql_fetch_array($result);
mysql_free_result($result);
if(!$ret) {
$this-Error=mysql_error($this-Link_ID);
}
else {
&
MySQL教程是:我的一个php_mysql分页类。nbsp; $this-m_num = $ret["max_num"];
}
*/
}
$pageCount = $this-getPageCount();
$pageSize = $this-getPageSize();
if($page$pageCount)$page=$pageCount;
if($page1)$page=1;
$this-m_curPage=$page;
$posBegin = ($page-1)*$pageSize;
$posEnd = $posBegin + $pageSize;
$Query_String = "$Query_String LIMIT $posBegin,$posEnd";
$this-Parse=mysql_query($Query_String,$this-Link_ID);
if(!$this-Parse) {
$this-Error=mysql_error($this-Link_ID);
}
$this-Row=0;
if($this-Debug) {
printf("Debug: query = %sbr", $Query_String);
}
if ($this-Error && $this-sqoe)
echo "BRFONT color=redB".$this-Error["message"]."BRQuery :"$Query_String"/B/FONT";
$numRow=mysql_num_rows($this-Parse);
return $this-Parse;
}
function setTimeFormat($timestr){
$this-m_timeFmt = $timestr;
}
function next_record() {
if(!($row = mysql_fetch_array($this-Parse))) {
mysql_free_result($this-Parse);
$this-Parse = false;
$stat=0;
}
else {
while(list($key,$val)=each($row)) {
$colreturn=strtolower($key);
$this-Record[ "$colreturn" ] = $val;
if($this-Debug) echo"b[$key]/b:".$val."br";
}
$stat=1;
}
return $stat;
}
function record_exist() {
if(0 == mysql_num_rows($this-Parse)) {
return 0;
} else {
return 1;
}
return $stat;
}
function seek($pos)
MySQL教程是:我的一个php_mysql分页类。 {
$this-Row=$pos;
}
function affected_rows() {
return mysql_affected_rows($this-Parse);
}
function num_rows() {
return mysql_num_rows($this-Parse);
}
function f($Name) {
return $this-Record[$Name];
}
function p($Name) {
print $this-Record[$Name];
}
function close() {
if($this-Debug) {
//printf("Disconnecting...br");
}
if($this-Parse){
mysql_free_result($this-Parse);
}
//mysql_close($this-Link_ID);
}
//---public 得到当前页
function getCurPage(){return $this-m_curPage;}
//---public 设定页长
function setPageSize($page_size){$this-m_pageSize = $page_size;}
//---public 得到页长
function getPageSize(){return $this-m_pageSize;}
//---public 得到纪录总数
function getCount(){return $this-m_num;}
//---public 得到页总数
function getPageCount(){
$page=floor($this-getCount()/$this-getPageSize());
if($this-getCount()%$this-getPageSize()0)$page++;
return $page;
}
// 显示导航条。
// 参数说明: $url 调用页面ex:http://hello.php?showtype=main
function show_navibar($recname="条记录",$first="首页",$pre="上页",$next="下页",$last="末页"){
$showurl = getenv("REQUEST_URI");
$tmppos = strpos($showurl,"&rscnt=");
if(!$tmppos)
$tmppos = strpos($showurl,"?rscnt=");
if($tmppos)
$showurl = substr($showurl,0,$tmppos);
$url = $showurl;
$page = $this-getCurPage();
$pagecnt = $this-getPageCount();
$cnt = $this-getCount();
if($cnt 0) // 没有分页,不显示任何东西。
return;
$url = $url."?";
else // url已经带了参数。
$url = $url."&";
$url = $url."rscn
MySQL教程是:我的一个php_mysql分页类。t=".$cnt."&page=";
if($page1){
?
a href=?echo $url?1?=$first?/a a href=?echo $url.($page-1)??=$pre?/a
?
}
else{
?
?=$first? ?=$pre?
?
}
if($page$pagecnt){
?
a href=?echo $url.($page+1)??=$next?/a a href=?echo $url.$pagecnt??=$last?/a
?
}
else{
?
?=$next? ?=$last?
?
}
?
共有 font color="#FF0000"?=$cnt?/font ?=$recname?,当前?=$page?/?=$pagecnt?
第input type=text style="width: 20px; height: 16px; font-size: 12px; color: #000000;border: 1px solid;" name=page value=?=$page?页
input type=button onclick="ice_ttttt_runto(''?=$url?'')" style="height: 16px; font-size: 12px; color: #000000;border: 1px solid;" value="Go!"
script language=javascript
!--
function ice_ttttt_runto(url){
var p = self.page.value;
self.navigate(url+p);
}
--/script
?
}
}