三种取得文件扩展名php教程代码
//方法二
php代码
三种取得文件扩展名php教程代码
//方法二
php代码
<?php
header ( "content-type:text/html; charset=utf-8" );
function strcut($string, $length, $dot = '...',$charset='utf-8')
{
//为了避免重复包含文件而造成错误,加了判断函数是否存在的条件:
$page = $_get[page];
if(!function_exists(pageft)){
//定义函数pageft(),三个参数的含义为:
//$totle:信息总数;
//$displaypg:每页显示信息数,这里设置为默认是20;
//http://pic3.phprm.com/2010/09/11/$url.jpg:分页导航中的链接,除了加入不同的查询信息"page"外的部分都与这个url相同。
// 默认值本该设为本页url(即$_server["request_uri"]),但设置默认值的右边只能为常量,所以该默认值设为空字符串,在函数内部再设置为本页url。
function pageft($totle,$displaypg=20,$url=''){
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>上传文件程序</title>
<style type="text/css教程">
*{
font-size:12px;
margin:0; padding:0;
}
a:link,a:visited{
text-decoration:none;
color: #393
}
a:hover{
text-decoration:underline;
color:#0033cc
}
input.text{
border:1px solid #ccc;height:22px;line-height:22px;padding-left:5px;background:#fff;width:274px;
}
input.button{
background:#fff url(http://pic4.phprm.com/2010/09/11/button.jpg);border:1px solid #9ea9c5;padding:2px 2px 0px 2px;margin-left:4px; margin-right:4px;
}
</style>
<script language=网页特效>
function check()
{
var strfilename=document.myform.upfile.value;
if (strfilename=="")
{
alert("请选择要上传的文件");
document.myform.upfile.focus();
return false;
}
}
</script>
</head>
<?php
header("content-type:application/vnd.ms-excel; charset=gbk");
header("content-disposition:attachment;filename=test_data.xls");
$link=mysql教程_connect('localhost','root','hhhkkk');
if($link){
方法二
方法三
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.phprm.com/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
class multipage {
var $total;
var $perpage;
var $pages;
var $maxpage;
var $offset = 9;
var $curr_page;
function init($total, $perpage, $maxpage) { //初始化页数
$this->total;
$this->perpage;
$this->maxpage;
$this->offset = 9;
}
function getpagelist() {//获取分页列表
$result_pages = "";
$this->pages = ceil($this->total / $this->perpage);
if ($this->pages > $this->maxpage) {
$from = $this->curr_page - $this->offset;
if ($from < 1) {
$from = 1;
}
$to = $from + $this->maxpage - 1;
if ($to > $this->pages) {
$to = $this->pages;
if (($to - $from) < $this->maxpage) {
$from = $from - 1;
}
}
} else {
$from = 1;
$to = $this->pages;
}
$p = 0;
for($i = $from; $i <= $to; $i++) {
$result_pages[$p] = $i;
$p++;
}
return $result_pages;
}
function getfirst() { //获取第一页
if ($this->curr_page > 1 && $this->pages > 1) {
return 1;
} else {
return "";
}
}
function getlast() { //取末页
if ($this->pages > 1 && $this->curr_page < $this->pages) {
return $this->pages;
} else {
return "";
}
}
function getprev() {//上一页
$prevpage = $this->curr_page - 1;
if ($prevpage > 0) {
return $prevpage;
} else {
$prevpage = "";
return $prevpage;
}
}
function getnext() {//下一页
$nextpage = $this->curr_page + 1;
if ($nextpage <= $this->pages) {
return $nextpage;
} else {
$nextpage = "";
return $nextpage;
}
}
function gettotal() {//共多少页
if ($this->pages > 0) {
return $this->pages;
} else {
return 1;
}
}
}
session_start();
/* get post */
if (!function_exists("getpost")){function getpost(){if(count($_post)){foreach($_post as $key => $value){global ${$key};${$key}=$value;}}}}
<script language="网页特效">
function startrequestusingpost() {
if(checktitle()==false)
{
return;
}
var title = document.getelementbyid("title").value;
createxmlhttprequest();
xmlhttp.open("post","checkntype",true);
xmlhttp.onreadystatechange = processresponse;
xmlhttp.setrequestheader("content-type","application/x-www-form-urlencoded");
xmlhttp.send("title=" + title);
}
function processresponse() {
if(xmlhttp.readystate == 4) {
if(xmlhttp.status == 200) {
var result = xmlhttp.responsetext;
if(result==1){
document.getelementbyid("message").style.display="inline";
document.getelementbyid("btnadd").disabled="disabled";
}else
{
document.getelementbyid("message").style.display="none";
document.getelementbyid("btnadd").disabled="";
}
}
}
}
function checktitle()
{
var title=document.getelementbyid("title").value;
if(title=="")
{
document.getelementbyid("lbltitle").style.display="inline";
return false;
}else
{
document.getelementbyid("lbltitle").style.display="none";
return true;
}
}