❶ 用php和mysql製作網站過程遇到的登陸界面為什麼會出現下載PHP文件的問題我用的是w ...
親,注意下你是否設置了header(「content-type:text/html;charset=utf-8」);肯定是你有單詞寫錯了
❷ 用PHP做登陸注冊頁面
登錄頁:login.php
<?php
include("conn.php");
$username=$_POST['name'];
$password=$_POST['password'];
$yanzheng=$_POST['yanzheng'];
if(isset($_POST['submit']))
{
$sql=("select username,password from member where username='$username' and password='$password'") or die("sql語句執行失敗");
//print_r($sql);
$ar=mysql_query($sql);
if($ar)
{
if($row=mysql_fetch_array($ar))
{
session_start();
if($_POST["yanzheng"])
{
if($yanzheng!=$_session[pic]||$yanzheng=="")
{
echo "驗證碼輸入有誤";
exit;
}
if($yanzheng==$_session[pic])
{
header("location:index.php");
}
}
}
else
{
echo "用戶名或密碼錯誤";
}
}
}
?>
<form action="login.php" method="post">
<table border=1 align=center width=500 height=300 bgColor=#DFFFDF bordercolor=#fffbec>
<tr>
<td colspan=2 align=center>用戶登錄</td>
</tr>
<tr>
<td>用戶姓名:</td>
<td><input type="text" name="name" id="name"/></td>
</tr>
<tr>
<td>用戶密碼:</td>
<td><input type="password" name="password" id="password"/></td>
</tr>
<tr>
<td>驗證碼:</td>
<td><input type="text" name="yanzheng" id="yanzheng"/>
<img src="yanzheng1.php" width="50" height="30"></img>
</td>
</tr>
<tr>
<td colspan=3 align=center>
<input type="submit" name="submit" value="登錄"/>
<input type="reset" name="reset" value="重置"/>
<a href="register.php">注冊</a>
</td>
</tr>
</table>
</form>
注冊頁:register.php
<?php
include("conn.php");
if(isset($_POST['submit'])&&$_POST['submit']) {
if($_POST['username']=='')
{
echo "用戶名不能為空";
exit();
}
if($_POST['password']=='')
{
echo "密碼不能為空";
exit();
}
if($_POST['realpass']!=$_POST['password'])
{
echo "兩次密碼輸入不一致";
exit();
}
$sql="insert into member(username,real_name,password,email,headimg) values('$_POST[username]','$_POST[username]','$_POST[password]','$_POST[email]','')";
$ar=mysql_query($sql);
if($ar)
{
header("location:index.php");
}
else
{
echo mysql_error();
}
}
?>
<body>
<form action="register.php" method="post">
<table border=1 align=center width=500>
<tr>
<td height=40 bgColor=#DFFFDF colspan=2>會員注冊 [<a href="login.php">返回登錄頁</a>]</td>
</tr>
<tr>
<td height=40 bgColor=#fffbec >會員ID</td>
<td><input type="text" name="username" id="username"/></td>
</tr>
<tr>
<td height=40 bgColor=#fffbec>密碼</td>
<td><input type="password" name="password" id="password"/></td>
</tr>
<tr>
<td height=40 bgColor=#fffbec>確認密碼</td>
<td>
<input type="password" name="realpass" id="realpass"/>
</td>
</tr>
<tr>
<td height=40 bgColor=#fffbec>EMAIL</td>
<td><input type="text" name="email" id="email"/>
</tr>
<tr>
<td height=40 bgColor=#fffbec></td>
<td><input type="submit" name="submit" value="注冊"/><input type="reset" value="重置"></td>
</tr>
</table>
</form>
</body>
主頁顯示:index.php
<?php
include("conn.php");
function cutstr($str,$cutleng)
{
$str = $str; //要截取的字元串
$cutleng = $cutleng; //要截取的長度
$strleng = strlen($str); //字元串長度
if($cutleng>$strleng)return $str;//字元串長度小於規定字數時,返回字元串本身
$notchinanum = 0; //初始不是漢字的字元數
for($i=0;$i<$cutleng;$i++)
{
if(ord(substr($str,$i,1))<=128)
{
$notchinanum++;
}
}
if(($cutleng%2==1)&&($notchinanum%2==0)) //如果要截取奇數個字元,所要截取長度范圍內的字元必須含奇數個非漢字,否則截取的長度加一
{
$cutleng++;
}
if(($cutleng%2==0)&&($notchinanum%2==1)) //如果要截取偶數個字元,所要截取長度范圍內的字元必須含偶數個非漢字,否則截取的長度加一
{
$cutleng++;
}
return substr($str,0,$cutleng);
}
?>
<html>
<head>
<script type="text/javascript">
function All(e, itemName)
{
var aa = document.getElementsByName(itemName);
for (var i=0; i<aa.length; i++)
aa[i].checked = e.checked; //得到那個總控的復選框的選中狀態
}
function Item(e, allName)
{
var all = document.getElementsByName(allName)[0];
if(!e.checked) all.checked = false;
else
{
var aa = document.getElementsByName(e.name);
for (var i=0; i<aa.length; i++)
if(!aa[i].checked) return;
all.checked = true;
}
}
</script>
</head>
<?php
include("conn.php");
if(isset($_POST['del']))
{
$mm = $_POST["selected"];
$id =implode(",",$mm);
$sql = "delete from forums where id in(".$id.")";
//echo $sql;
$result=mysql_query($sql);
echo $result?"刪除成功":"刪除失敗";
}
?>
<table style="BORDER-BOTTOM-WIDTH: 1px; BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width=600 align=center border=1 bordercolor=#ddddff>
<tr align=middle>
<td height=40 bgColor=#DFFFDF colspan=3>論壇列表</td>
</tr>
<tr>
<td colspan=3><a href="login.php" style="float:right">[退出系統]</a><a href="add_forum.php" style="float:right">[添加論壇]</a></td>
<td></td>
</tr>
<tr align=middle>
<td height=40 bgColor=#DFFFDF width=80>狀態</td>
<td height=40 bgColor=#DFFFDF>論壇</td>
<td height=40 bgColor=#DFFFDF>最後更新</td>
</tr>
<?php
$sql="select * from forums";
$result=mysql_query($sql);
$num=mysql_num_rows($result);
if($num>0)
{
while($row=mysql_fetch_array($result)){
?>
<tr align=middle>
<td bgColor=#fffbec><input type="checkbox" name="selected" value="1"/></td>
<td height=50 bgColor=#fffbec width=300>
<?php
echo "<div><a href=\"forums.php?F=".$row['ID']."\">".$row['forum_name']."</a></div>";
echo cutstr($row['forum_description'],24);//最多顯示24個位元組,12個字,多餘部分用省略號代替
echo "……";
?>
</td>
<td height=50 bgColor=#fffbec><div><?php echo $row['last_post_time']."by".$row['last_post_author']?></div></td>
</tr>
<?php
}
}
else
{
echo "<tr bgColor=#fffbec><td colspan=3>對不起,論壇尚在創建中……</td></tr>";
}
?>
<tr>
<td colspan=3> <input type="checkbox" name="selected" value="1" onclick="All(this,'selected')"/>全選/不全選</td>
</tr>
<tr>
<td><input type="button" name="del" id="del" value="刪除選中項"/>
<?php
?>
</td>
</tr>
</table>
</html>
資料庫你就自己建,望採納~
❸ 如何用php做個登陸界面
你可以做一個簡單的例如你只衫搜有用戶名和密碼即可那麼你先在資料庫(以mysql為例)中建表例如叫做user 欄位為 id name pass分別是編或念歷號、用戶名、密碼長度分別是int(8) a_t(自動編號) 主鍵,varchar(50) ,varchar(50) 你可以添加一個測試數據 例如 1,admin,admin//說明密碼這里不說加密的問題,用明文實現 登錄頁面的代碼:login.php
❹ 用HTML、PHP做了一個登錄頁面,為什麼一點擊登錄就讓我下載那個PHP文件,進不到登陸的頁面
應該是php沒有運行環境,或頁面沒有放在php運行環境內
❺ php課程設計用戶登錄系統
⑴ 以php開發網路留言板的設計目標實現以下功能: 新用戶注冊功能、用戶登錄功能、登錄用
這個東西確實有點多,我剛開始還以為只是簡單的留言板呢擾老升,收費很正常!這應該是個課程設計吧
⑵ php實現用戶注冊和登入,不用做效果求大牛指導
登陸界面 login.php
<form action="logincheck.php" method="post">
用戶名:<input type=text name=user/><br/>
密碼:<input type=password name=pass/><br/>
<input type=submit name=sub value="登陸"/>
<a href="register.php">注冊</a>
</form>
登陸處理界面logincheck.php
<?php
mysql_connect('localhost','root','');
mysql_select_db('test');
mysql_query("set names 'gbk'");
$nsql="select username,passwd,nick from userinfo where username = '$_POST[user]' and passwd = '$_POST[pass]'";
$result = mysql_query($nsql);
$num = mysql_num_rows($result);
if($num){
$row = mysql_fetch_array($result);
echo "歡迎您,$row[2]";
}else{
echo"<script>alert('用戶名或密碼不正確');history.go(-1);</script>";
}
?>
注緩老冊界面register.php
<form action="regcheck.php" method="post">
用戶名:<input type=text name=user/><br/>
密碼:<input type=password name=pass/><br/>
昵稱:<input type=text name=nick/><br/>
<input type=submit name=sub value="注冊"/>
</form>
注冊含缺處理界面regcheck.php
<?php
mysql_connect('localhost','root','');
mysql_select_db('test');
mysql_query("set names 'gbk'");
$nsql="select username from userinfo where username = '$_POST[user]'";
$result = mysql_query($nsql);
$num = mysql_num_rows($result);
if($num){
echo "<script>alert('用戶名已存在注冊失敗');history.go(-1);</script>";
}else{
$isql = "insert into userinfo values('$_POST[user]','$_POST[pass]','$_POST[nick]')";
mysql_query($isql);
echo"<script>alert('注冊成功');history.go(-1);</script>";
}
?>
⑶ 怎麼用PHP+MYSQL做注冊和登陸系統,要詳細哦!
login
<body>
<form action="index.php" method="post">
<input type=text name=username id="username" />
<input type=submit name=Submit id="Submit" value="登陸" />
</form>
</body>
index.php
<?php
if($_POST['username'] == '')
echo '您的登陸名不能為空。<a href="login">請重新填寫</a>';
else
echo '您的登陸名是:' . $_POST['username'];
?>
<?
include "conn/conn.php";
$UserName=$_POST["UserName"];
$mima1=$_POST["mima1"];
$mima2=$_POST["mima2"];
$xin=$_POST["xin"];
$nian=$_POST["nian"];
$dianhua=$_POST["dianhua"];
$email=$_POST["email"];
$qq=$_POST["qq"];
$sql="INSERT INTO 'my_china'.'chuche' ('id','UserName' ,'mima1' ,'mima2' ,'xin' ,'nian' ,'dianhua' ,'email' ,'qq' )VALUES (NULL , '$UserName', '$mima1', '$mima2', '$xin', '$nian', '$dianhua', '$email', '$qq')";
mysql_query($sql);
echo "<script> alert('用戶注冊成功!');</script>";
echo "<script> window.location='zc.php';</script>";
?>
⑷ php語言如何實現一個完整用戶登錄系統的製作
php語言如何實現一個完整用戶登錄系統的製作?
說用戶的登錄,簡單的理解:輸入密碼/驗證帳內號/保存登錄信息
復雜一容點說:會員注冊/審核/登錄/驗證/保存登錄信息 (也就有了會員管理的相關功能)
現在網上好多開源PHP系統,像dedeCMS/DISCUZ/PHPwind等等,都有會員模塊,下載了看看源碼就明白差不多了。
如果初學PHP,推薦搜集Cookie 和 Session的相關信息,這是會員用到的核心,這兩個內容的案例大多也是以會員為例,網上資料也不少,網路一下吧,good luck,學習愉快!
⑸ php做的登錄系統 幫忙
<?
$mysql_servername = "localhost"; //主機地址
$mysql_username = "root"; //資料庫用戶名
$mysql_password ="root"; //資料庫密碼
$mysql_database ="student"; //資料庫
mysql_connect($mysql_servername , $mysql_username ,$mysql_password);
mysql_select_db($mysql_database);
$sname=$_POST['username'];
$sin=$_POST['userio'];
$sql = "SELECT * FROM info WHERE name = $sname and no=$sin";
$res =@mysql_query($sql);
$rs=@mysql_fetch_array($res);
if($rs==NULL){
die('登錄失敗,錯誤的用戶名或學號')
}else{
echo "<br>輸入的姓名為:";
echo $sname;
echo "<br>輸入的學號為:";
echo $sin;
}
?>
⑹ PHP 實現注冊登錄系統
其實樓主要的代碼網上有很多。你沒有給出具體要實現注冊的信息,所以只找了這個代碼。樓主可以根據具體情況自己修改代碼。
①注冊模塊:
//hi./oldjunren/blog/item/2709e606841fbfca7a894774
②登陸模塊
//hi./oldjunren/blog/item/79c827cf1e398c3eb700c871
③PHP 防範SQL注入漏洞//hi./oldjunren/blog/item/6540b734b207be1691ef3961
希望樓主成功。
⑺ 注冊登錄系統的設計與實現php
<script language="javascript">
function checkpost()
{
if(loginform.user.value =="")
{
alert("用戶名不能為空!");
loginform.user.focus();
return false;
}
if(loginform.pw.value =="")
{
alert("密碼不能為空!");
loginform.pw.focus();
return false;
}
}<script> 用戶登錄
</tr>
<tr> <td height=169 bgcolor="#F9F9F9" ><form action="login.php" method="post" onSubmit="return checkpost();" name=loginform><div><span > <font color="#000000">用戶名:</font></span><input name=user type=text size="15" />
</div> <div><span class="class9"> <font color="#000000">密 碼:</font></span><input name=pw type=password size="15" />
</div>
<div align=center><input type=submit name=sub value="登錄" /> <input type=reset value="重置" /></div>
<div align=center class="syCss"><a href="username1.php" target="_blank">注冊</a></div>
</form></td> login.php<?php
session_start();
$username =trim( $_POST['user']);
$password =trim( $_POST['pw']);
if((empty($username)) || (empty($password)))
{
echo "<script language=\"JavaScript\">alert('用戶名或者密碼不能為空!');history.back();</script>";
}
else
{
$myconn = mysql_connect("localhost", "root", "");
mysql_query("SET NAMES 'GBK'");
mysql_select_db("users") or die ("不能連接到資料庫!");
//判斷用戶名和密碼是否在正確
$strSql="select * from test where username='$username' and password='$password'";
$result=mysql_query($strSql) or die("讀取資料庫出現錯誤!");
$num=mysql_num_rows($result);
if($num<0)
{
echo "該用戶不存在!";
}
else
{
$row = mysql_fetch_array($result);
if(($row['username'] == $username) && ($row['password'] == $password ) )
{
$name = "歡迎您:";
$_SESSION[username] = $name. $username;
$quit = "退出";
$_SESSION[quit] = $quit;
echo "<script language=\"JavaScript\">alert('登錄成功!');window.location.> }
}
}
mysql_close($myconn);
}
?><a href= //xiaohouse>小房子</a>