php mysql 留言本应用实例

更新时间：2009年03月16日 23:13:54 作者：

实例说明制作一个php+mysql留言本

复制代码代码如下:

<?php require_once('Connections/conn.php'); 
require_once('inc/accesscheck.php'); 
require_once('inc/GetSQLValueString.php');?> 
<?php 
if ((isset($_GET['postid'])) && ($_GET['postid'] != "")) { 
$updateSQL = sprintf("UPDATE posts SET checked=1-checked WHERE postid=%s", 
GetSQLValueString($_GET['postid'], "int")); 

mysql_select_db($database_conn, $conn); 
$Result1 = mysql_query($updateSQL, $conn) or die(mysql_error()); 

$deleteGoTo = "adminmain.php"; 
if (isset($_SERVER['QUERY_STRING'])) { 
$deleteGoTo .= (strpos($deleteGoTo, '?')) ? "&" : "?"; 
$deleteGoTo .= $_SERVER['QUERY_STRING']; 
} 
header(sprintf("Location: %s", $deleteGoTo)); 
} 
?>

复制代码代码如下:

<?php 
require_once('Connections/conn.php'); 
require_once('inc/accesscheck.php'); 
require_once('inc/GetSQLValueString.php'); 
?> 
<?php 
if ((isset($_GET['postid'])) && ($_GET['postid'] != "")) { 
$deleteSQL = sprintf("DELETE FROM posts WHERE postid=%s", 
GetSQLValueString($_GET['postid'], "int")); 

mysql_select_db($database_conn, $conn); 
$Result1 = mysql_query($deleteSQL, $conn) or die(mysql_error()); 

$deleteGoTo = "adminmain.php"; 
if (isset($_SERVER['QUERY_STRING'])) { 
$deleteGoTo .= (strpos($deleteGoTo, '?')) ? "&" : "?"; 
$deleteGoTo .= $_SERVER['QUERY_STRING']; 
} 
header(sprintf("Location: %s", $deleteGoTo)); 
} 
?> 

复制代码代码如下:

<?php require_once('Connections/conn.php'); 
require_once('inc/accesscheck.php'); 
require_once('inc/GetSQLValueString.php');?> 
<?php 
if ((isset($_GET['postid'])) && ($_GET['postid'] != "")) { 
$deleteSQL = sprintf("UPDATE posts SET replied=0, adminname='', replycontent='' WHERE postid=%s", 
GetSQLValueString($_GET['postid'], "int")); 

mysql_select_db($database_conn, $conn); 
$Result1 = mysql_query($deleteSQL, $conn) or die(mysql_error()); 

$deleteGoTo = "adminmain.php"; 
if (isset($_SERVER['QUERY_STRING'])) { 
$deleteGoTo .= (strpos($deleteGoTo, '?')) ? "&" : "?"; 
$deleteGoTo .= $_SERVER['QUERY_STRING']; 
} 
header(sprintf("Location: %s", $deleteGoTo)); 
} 
?> 

复制代码代码如下:

<?php require_once('Connections/conn.php'); 
require_once('inc/accesscheck.php'); 
require_once('inc/GetSQLValueString.php');?> 
<?php 
mysql_select_db($database_conn, $conn); 
$query_rs = "SELECT * FROM posts ORDER BY postid DESC"; 
$rs = mysql_query($query_rs, $conn) or die(mysql_error()); 
$row_rs = mysql_fetch_assoc($rs); 
$totalRows_rs = mysql_num_rows($rs); 
?> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<title>Untitled Document</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<style type="text/css"><!-- 
.style1 {font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px} 
.style4 {font-size: 12px} 
.style6 {font-size: 12px; font-weight: bold; } 
--></style><style type="text/css" bogus="1">.style1 {font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px} 
.style4 {font-size: 12px} 
.style6 {font-size: 12px; font-weight: bold; }</style> 
</head> 

<body> 
<p align="center"><span class="style1">留言板 - 管理页面</span></p> 
<p align="center"><span class="style2"><a href="viewposts.php" href="viewposts.php">浏览留言</a> | <a href="newpost.php" href="newpost.php">发表留言</a> | <a href="logout.php" href="logout.php">退出登陆</a></span></p> 
<p align="center"> </p> 
<table width="623" border="1" align="center" cellpadding="0" cellspacing="0"> 
<tr> 
<td width="91"><span class="style6">留言者用户名</span></td> 
<td width="210"><span class="style6">留言标题</span></td> 
<td width="61"> </td> 
<td width="61"> </td> 
<td width="61"> </td> 
<td width="62"> </td> 
</tr> 
<?php do { ?> 
<tr> 
<td><span class="style4"><?php echo $row_rs['username']; ?></span></td> 
<td><span class="style4"><?php 
echo $row_rs['topic']; 
if($row_rs['checked']==1) 
echo "（已审批）"; 
if($row_rs['replied']==1) 
echo "（已回复）"; 
?></span></td> 
<td><div align="center"><span class="style4"><a href="adminreply.php?postid=<?php echo $row_rs['postid']; ?>">回复留言</a></span></div></td> 
<td><div align="center"><span class="style4"><a href="admindelpost.php?postid=<?php echo $row_rs['postid']; ?>">删除留言</a></span></div></td> 
<td><div align="center"><span class="style4"><a href="admindelreply.php?postid=<?php echo $row_rs['postid']; ?>">删除回复</a></span></div></td> 
<td><div align="center"><span class="style4"><a href="admincheckpost.php?postid=<?php echo $row_rs['postid']; ?>">审批留言</a></span></div></td> 
</tr> 
<?php } while ($row_rs = mysql_fetch_assoc($rs)); ?> 
</table> 
<p align="center"> </p> 
</body> 
</html> 
<?php 
mysql_free_result($rs); 
?>

复制代码代码如下:

<?php require_once('Connections/conn.php'); 
require_once('inc/accesscheck.php'); 
require_once('inc/GetSQLValueString.php');?> 
<?php 
$editFormAction = $_SERVER['PHP_SELF']; 
if (isset($_SERVER['QUERY_STRING'])) { 
$editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']); 
} 

if ((isset($_POST["MM_update"])) && ($_POST["MM_update"] == "form1")) { 
$updateSQL = sprintf("UPDATE posts SET replycontent=%s, replied=1, checked=1, adminname=%s WHERE postid=%s", 
GetSQLValueString($_POST['replycontent'], "text"), 
GetSQLValueString($_SESSION['MM_Username'], "text"), 
GetSQLValueString($_POST['postid'], "int")); 

mysql_select_db($database_conn, $conn); 
$Result1 = mysql_query($updateSQL, $conn) or die(mysql_error()); 

echo "<script type="text/javascript"><!-- 
alert('回复发表成功'); 
// --></script>"; 
} 

$colname_rs = "1"; 
if (isset($_GET['postid'])) { 
$colname_rs = (get_magic_quotes_gpc()) ? $_GET['postid'] : addslashes($_GET['postid']); 
} 
mysql_select_db($database_conn, $conn); 
$query_rs = sprintf("SELECT * FROM posts WHERE postid = %s", $colname_rs); 
$rs = mysql_query($query_rs, $conn) or die(mysql_error()); 
$row_rs = mysql_fetch_assoc($rs); 
$totalRows_rs = mysql_num_rows($rs); 
?> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<title>Untitled Document</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<style type="text/css"><!-- 
.style1 {font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px} 
--></style><style type="text/css" bogus="1">.style1 {font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px}</style> 
</head> 

<body> 
<p align="center"><span class="style1">留言板 - 管理页面 - 回复留言</span></p> 
<p align="center"><span class="style2"><a href="adminmain.php" href="adminmain.php">管理页面</a><a href="newpost.php" href="newpost.php"></a> | <a href="logout.php" href="logout.php">退出登陆</a></span></p> 

<form method="post" name="form1" action="<?php echo $editFormAction; ?>"> 
<table align="center"> 
<tr valign="baseline"> 
<td nowrap align="right" valign="top">留言标题：</td> 
<td><?php echo $row_rs['topic']; ?></td> 
</tr> 
<tr valign="baseline"> 
<td nowrap align="right" valign="top">留言内容：</td> 
<td><?php echo $row_rs['content']; ?></td> 
</tr> 
<tr valign="baseline"> 
<td nowrap align="right" valign="top">回复内容：</td> 
<td> 
<textarea name="replycontent" cols="50" rows="5"><?php echo $row_rs['replycontent']; ?> 

复制代码代码如下:

 
<?php 
$logoutGoTo = "admin.php"; 
session_start(); 
unset($_SESSION['MM_Username']); 
unset($_SESSION['MM_UserGroup']); 
if ($logoutGoTo != "") {header("Location: $logoutGoTo"); 
session_unregister('MM_Username'); 
session_unregister('MM_UserGroup'); 
exit; 
} 
?> 
<?php 
$logoutGoTo = "admin.php"; 
session_start(); 
unset($_SESSION['MM_Username']); 
unset($_SESSION['MM_UserGroup']); 
if ($logoutGoTo != "") {header("Location: $logoutGoTo"); 
session_unregister('MM_Username'); 
session_unregister('MM_UserGroup'); 
exit; 
} 
?> 

复制代码代码如下:

 
<?php require_once('Connections/conn.php'); 
require_once('inc/GetSQLValueString.php');?> 
<?php 
$editFormAction = $_SERVER['PHP_SELF']; 
if (isset($_SERVER['QUERY_STRING'])) { 
$editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']); 
} 

if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) { 
$insertSQL = sprintf("INSERT INTO posts (username, topic, content) VALUES (%s, %s, %s)", 
GetSQLValueString($_POST['username'], "text"), 
GetSQLValueString($_POST['topic'], "text"), 
GetSQLValueString($_POST['content'], "text")); 

mysql_select_db($database_conn, $conn); 
$Result1 = mysql_query($insertSQL, $conn) or die(mysql_error()); 

echo "<script type="text/javascript"><!-- 
alert('留言发表成功'); 
// --></script>"; 
} 
?> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<title>Untitled Document</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<style type="text/css"><!-- 
.style1 { font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px} 
--></style><style type="text/css" bogus="1">.style1 { font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px}</style> 
</head> 

<body> 
<form method="post" name="form1" action="<?php echo $editFormAction; ?>"> 
<p align="center"><span class="style1">留言板 - 发表新留言</span></p> 
<p align="center"><span class="style2"><a href="viewposts.php" href="viewposts.php">浏览留言</a> | <a href="admin.php" href="admin.php">管理登陆</a></span></p> 
<table align="center"> 
<tr valign="baseline"> 
<td nowrap align="right">用户名:</td> 
<td><input type="text" name="username" value="" size="32"></td> 
</tr> 
<tr valign="baseline"> 
<td nowrap align="right">标题:</td> 
<td><input type="text" name="topic" value="" size="32"></td> 
</tr> 
<tr valign="baseline"> 
<td nowrap align="right" valign="top">留言内容:</td> 
<td> 
<textarea name="content" cols="50" rows="5"> 
<?php require_once('Connections/conn.php'); 
require_once('inc/GetSQLValueString.php');?> 
<?php 
$editFormAction = $_SERVER['PHP_SELF']; 
if (isset($_SERVER['QUERY_STRING'])) { 
$editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']); 
} 

if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) { 
$insertSQL = sprintf("INSERT INTO posts (username, topic, content) VALUES (%s, %s, %s)", 
GetSQLValueString($_POST['username'], "text"), 
GetSQLValueString($_POST['topic'], "text"), 
GetSQLValueString($_POST['content'], "text")); 

mysql_select_db($database_conn, $conn); 
$Result1 = mysql_query($insertSQL, $conn) or die(mysql_error()); 

echo "<script type="text/javascript"><!-- 
alert('留言发表成功'); 
// --></script>"; 
} 
?> 

复制代码代码如下:

 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<title>Untitled Document</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<style type="text/css"><!-- 
.style1 {    font-size: 18px; 
    font-weight: bold; 
} 
.style2 {font-size: 14px} 
--></style><style type="text/css" bogus="1">.style1 {    font-size: 18px; 
    font-weight: bold; 
} 
.style2 {font-size: 14px}</style> 
</head> 

<body> 
<form method="post" name="form1" action="<?php echo $editFormAction; ?>"> 
<p align="center"><span class="style1">留言板 - 发表新留言</span></p> 
<p align="center"><span class="style2"><a href="viewposts.php" href="viewposts.php">浏览留言</a> | <a href="admin.php" href="admin.php">管理登陆</a></span></p> 
<table align="center"> 
<tr valign="baseline"> 
<td nowrap align="right">用户名:</td> 
<td><input type="text" name="username" value="" size="32"></td> 
</tr> 
<tr valign="baseline"> 
<td nowrap align="right">标题:</td> 
<td><input type="text" name="topic" value="" size="32"></td> 
</tr> 
<tr valign="baseline"> 
<td nowrap align="right" valign="top">留言内容:</td> 
<td> 
<textarea name="content" cols="50" rows="5"> 

复制代码代码如下:

 
<?php require_once('Connections/conn.php'); ?> 
<?php 
$currentPage = $_SERVER["PHP_SELF"]; 

$maxRows_rs = 10; 
$pageNum_rs = 0; 
if (isset($_GET['pageNum_rs'])) { 
$pageNum_rs = $_GET['pageNum_rs']; 
} 
$startRow_rs = $pageNum_rs * $maxRows_rs; 

mysql_select_db($database_conn, $conn); 
$query_rs = "SELECT * FROM posts WHERE checked=1 ORDER BY postid DESC"; 
$query_limit_rs = sprintf("%s LIMIT %d, %d", $query_rs, $startRow_rs, $maxRows_rs); 
$rs = mysql_query($query_limit_rs, $conn) or die(mysql_error()); 
$row_rs = mysql_fetch_assoc($rs); 

if (isset($_GET['totalRows_rs'])) { 
$totalRows_rs = $_GET['totalRows_rs']; 
} else { 
$all_rs = mysql_query($query_rs); 
$totalRows_rs = mysql_num_rows($all_rs); 
} 
$totalPages_rs = ceil($totalRows_rs/$maxRows_rs)-1; 

$queryString_rs = ""; 
if (!emptyempty($_SERVER['QUERY_STRING'])) { 
$params = explode("&", $_SERVER['QUERY_STRING']); 
$newParams = array(); 
foreach ($params as $param) { 
if (stristr($param, "pageNum_rs") == false && 
stristr($param, "totalRows_rs") == false) { 
array_push($newParams, $param); 
} 
} 
if (count($newParams) != 0) { 
$queryString_rs = "&" . htmlentities(implode("&", $newParams)); 
} 
} 
$queryString_rs = sprintf("&totalRows_rs=%d%s", $totalRows_rs, $queryString_rs); 
?> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<title>Untitled Document</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<style type="text/css"><!-- 
.style1 { 
font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px} 
--></style><style type="text/css" bogus="1">.style1 { 
font-size: 18px; 
font-weight: bold; 
} 
.style2 {font-size: 14px}</style> 
</head> 

<body> 
<p align="center" class="style1">留言板 - 留言浏览</p> 
<p align="center" class="style2"><a href="newpost.php" href="newpost.php">发表留言</a> | <a href="admin.php" href="admin.php">管理登陆</a></p> 
<?php do { ?> 
<table width="500" border="1" align="center" cellpadding="0" cellspacing="0"> 
<tr> 
<td width="116"><div align="right"><strong>用户名：</strong></div></td> 
<td width="378"><?php echo $row_rs['username']; ?></td> 
</tr> 
<tr> 
<td><div align="right"><strong>标题：</strong></div></td> 
<td><?php echo $row_rs['topic']; ?></td> 
</tr> 
<tr> 
<td><div align="right"><strong>留言内容：</strong></div></td> 
<td><?php echo $row_rs['content']; ?></td> 
</tr> 
<?php if($row_rs['replied']==1) { ?> 
<tr> 
<td><div align="right"><strong>回复：</strong></div></td> 
<td><p><?php echo $row_rs['replycontent']; ?></p> 
<p align="right"><strong>回复人：</strong><?php echo $row_rs['adminname']; ?></p></td> 
</tr> 
<?php } ?> 
</table> 
<br> 
<?php } while ($row_rs = mysql_fetch_assoc($rs)); ?> 
<p align="center"> 
<table border="0" width="50%" align="center"> 
<tr> 
<td width="23%" align="center"> 
<?php if ($pageNum_rs > 0) { // Show if not first page ?> 
<a href="<?php printf(" href="<?php printf("%s?pageNum_rs=%d%s", $currentPage, 0, $queryString_rs); ?>">首页</a> 
<?php } // Show if not first page ?> 
</td> 
<td width="31%" align="center"> 
<?php if ($pageNum_rs > 0) { // Show if not first page ?> 
<a href="<?php printf(" href="<?php printf("%s?pageNum_rs=%d%s", $currentPage, max(0, $pageNum_rs - 1), $queryString_rs); ?>">上一页</a> 
<?php } // Show if not first page ?> 
</td> 
<td width="23%" align="center"> 
<?php if ($pageNum_rs < $totalPages_rs) { // Show if not last page ?> 
<a href="<?php printf(" href="<?php printf("%s?pageNum_rs=%d%s", $currentPage, min($totalPages_rs, $pageNum_rs + 1), $queryString_rs); ?>">下一页</a> 
<?php } // Show if not last page ?> 
</td> 
<td width="23%" align="center"> 
<?php if ($pageNum_rs < $totalPages_rs) { // Show if not last page ?> 
<a href="<?php printf(" href="<?php printf("%s?pageNum_rs=%d%s", $currentPage, $totalPages_rs, $queryString_rs); ?>">尾页</a> 
<?php } // Show if not last page ?> 
</td> 
</tr> 
</table> 
</p> 
<p> </p> 
</body> 
</html> 
<?php 
mysql_free_result($rs); 
?> 

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