<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php
$lianjie = mysql_connect("localhost","root","xiaolie") or die("连接失败");
mysql_query("set names utf8");
if(@$_POST["ok"])
{
mysql_select_db("xiaolie");
//插入数据
$shuju = " insert into hao (name,neirong,shijian) values ('".$_POST["name"]."','".$_POST["neirong"]."','".date("Y-m-d H:m:s")."')";
$fasong = mysql_query($shuju) or die(mysql_error());
if($fasong)
{
header("location:/a2/ly.php");
}
else
{
echo "内容发表失败<br><a href=fb_my.php>返回</a>";
}
}
else
{
/* mysql_select_db("xiaolie");
//发送查询
$fasong = mysql_query("select * from hao") or die(mysql_error());
while($nr = mysql_fetch_array($fasong))
{
echo "<table border=1>
<tr>
<td width='60'>第 ".$nr["id"]." 楼</td>
<td width='140'>发表用户：".$nr["name"]."</td>
<td width='230'>发表时间：".$nr["shijian"]."</td>
</tr>
<tr><td colspan='3' width='430'>".$nr["neirong"]."</td></tr>
</table>";
}
*/
?>
<form method=post action=fb_my.php>
姓名<input type=text name="name" /><br>
发表<br><textarea name="neirong" cols="50" rows="5"></textarea><br>
<input type=submit name="ok" value="好的" />
</form>
<?php
}
?>
php留言板内容删除代码<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php
$lianjie = mysql_connect("localhost","root","xiaolie") or die("连接失败");
mysql_query("set names utf8");
if($lianjie)
{
mysql_select_db("xiaolie");
if($_GET)
{
$a = $_GET["id"];
$sc = "delete from zhuce where id=$a";
$fasong = mysql_query($sc) or die(mysql_error());
if($fasong)
echo "记录已经成功删除<a href=sc_my.php>继续删除记录</a>";
else
echo "删除记录失败<br><a href=sc_my.php>返回</a>";
}
else
{
$fasong = mysql_query("select * from zhuce") or die(mysql_error());
echo "<table border=1>
<tr>
<td>编号</td>
<td>用户名称</td>
<td>性别</td>
<td>年龄</td>
<td>注册时间</td>
<td>操作</td>
</tr>";
while($nr = mysql_fetch_array($fasong))
{
echo "<tr>
<td>".$nr["id"]."</td>
<td>".$nr["name"]."</td>
<td>".$nr["xingbie"]."</td>
<td>".$nr["nianling"]."</td>
<td>".$nr["zc_shijian"]."</td>
<td><a href=sc_my.php?id=".$nr["id"].">删除</a></td>
</tr>";
}
echo "</table>";
}
}
?>
$fp = fopen ($countfile, "r"); //以只读模式打开文件
$array_count = 1; //定义一个表示数组元素位置的变量，下面要用
while (! feof($fp)) {
$current_number = fgetc($fp);
$counter_array[$array_count] = $current_number;
$array_elements = count ($counter_array);
$array_count = $array_count + 1;
}
//显示代码
echo ("<table border="0" height="5" align="left"><tr><td align="center">欢迎您，第");
for ($array_id = 1;$array_id < $array_elements; ++ $array_id) {
echo ("<img" width=100% src="./img/$counter_array[$array_id].gif" align=absmiddle>");
}
<?PHP
$countfile = "num.txt";
//定义计数器写入的文件是当前目录下count.txt，然后我们应当测试该文件能否打开
if (($fp = fopen($countfile, "r+")) == false) { //用读写模式打开文件，若不能打开就退出
printf ("打开文件 %s 失败!",$countfile);
exit;
}
else
{
//如果文件能够正常打开，就读入文件中的数据，假设是1
$count = fread ($fp,10);
//读取10位数据
$count = $count + 1;
fclose ($fp);
//关闭当前文件
$fp = fopen($countfile, "w+");
//以覆盖模式打开文件
fwrite ($fp,$count);
//写入加1后的新数据
fclose ($fp);
//并关闭文件
echo " document.write("".$count."")n";
//用javascript形式输出数据
}
?>
在html文件里面js调用方法。
<HTML>
<HEAD>
<TITLE>页面分离计数器范例</TITLE>
</HEAD>
<BODY>
您好，您是第
<SCRIPT LANGUAGE="JavaScript"" width=100% src="FileCount.php">
//引用时注意php计数器所在的服务器及目录路径。
</SCRIPT>
位访客
</BODY>
</HTML>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>
<?PHP
$db=mysql_connect("localhost","root","qwaszx");
$query="select * from num";
$result=mysql_db_query("test",$query);
if($result){
$r=mysql_fetch_array($result);
$counter=$r["NumValue"];
$counter=$counter+1;
$query='update num set NumValue='.$counter.' where id=1';
$result=mysql_db_query("test",$query);
mysql_close();
echo '您好，您是第'. $counter.'位访客';
}
?>
</BODY>
</HTML>