php简单用户登陆程序代码
php简单用户登陆程序代码
这些教程很对初学者来讲是很有用的哦,这款就下面这一点点代码了哦。
<center> <p> </p> <p> </p> <form name="form1" method="post" action="login_cl.php"> <table width="500" height="241" border="0" cellpadding="0" cellspacing="0"> <tr align="center"> <td colspan="2" bgcolor="#999999">会员登陆界面 (login.php)|<a href="index.php">返回</a> </td> </tr> <tr bgcolor="#CCCCCC"> <td width="137" align="center">用户:</td> <td width="363"><input name="yd631_name" type="text" id="yd631_name"></td> </tr> <tr bgcolor="#D9D9D9"> <td align="center">密码:</td> <td><input name="yd631_pws" type="password" id="yd631_pws"></td> </tr> <tr align="center" bgcolor="#CCCCCC"> <td colspan="2"><input type="submit" name="Submit" value="提交"> <input type="reset" name="submit" value="重置"> </td> </tr> </table> </form> <p> </p> </center>
登陆的php处理代码
<?php include ("config.php"); if (empty($_POST["yd631_name"])) { echo ("<script type='text/javascript'> alert('用户名怎么能是空的呢!');history.go(-1);</script>"); } if (empty($_POST["yd631_pws"])) { echo ("<script type='text/javascript'> alert('密码也不能是空的!');history.go(-1);</script>"); } $yd631_name = $_POST["yd631_name"]; //用户名已经记录了 $yd631_pws = $_POST["yd631_pws"]; //密码已经记录了 $db = mysql_connect($servername, $sqlservername, $sqlserverpws); mysql_select_db($sqlname, $db); $sql = "select * from $sqltable where yd631_name='$yd631_name' and yd631_pws='$yd631_pws'"; $result = mysql_fetch_array(mysql_query($sql)); if (!$result) { echo ("<script type='text/javascript'> alert('用户名或密码不正确!');history.go(-1);</script>"); mysql_close(); exit; } if ($result["yd631_pass"] == "no") { //验证会员是不是被审核通过了 echo ("<script type='text/javascript'> alert('您还没有被审核呢!');history.go(-1);</script>"); } session_start(); $_SESSION["name"] = "$yd631_name"; echo "<script>location.href='yd631.php';</script>"; ?>
config文件。
<?php //常规参数设置 $servername="localhost"; //主机名 $sqlservername="root"; //mysql数据库用户名 $sqlserverpws="yd631"; //mysql数据库密码 $sqlname="yd631_user"; //数据库名 $sqltable="yd631_users"; //username表名 $admin_name="yd631"; //管理员用户名 $admin_pws="yd631"; //管理员密码
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