可能重复:
PHP: “Notice: Undefined variable” and “Notice: Undefined index”PHP登录连接错误
我想使用的mysqli连接到MySQL服务器和PHP.Here是我的代码1的index.html 2- db.php中和3- logedin.php
enter code here
<form id="myForm" action="PHP/logedin.php" method="POST">
<div class="single-field">
<label for="eMail">Email:<span class="Star"> *</span></label>
<input name="eMail" type="text"></input>
</div>
<div class="single-field">
<label for="psword">Password:</label>
<input name="psword" type="text"></input>
</div>
<button type="button" name="" value="" class="css3button">Login</button>
</form>
和db.php中
<?php
$DB_NAME = 'tblTest';
$DB_HOST = 'localhost';
$DB_USER = 'root';
$DB_PASS = '';
$mysqli = new mysqli($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME);
if ($mysqli->connect_errno)
{
echo "Failed to connect to MySQL:" . $mysqli->connect_error;
exit();
}
?>
终于logedin.php是:
<?php
include_once('db.php');
$eMail = mysql_real_escape_string($_POST["eMail"]);
$passWord = mysql_real_escape_string(md5($_POST["psword"]));
$query = "SELECT count(*) FROM users WHERE (email ='$eMail' AND pass ='$passWord')";
if($query>0) {
echo "Yes Your Area Welcome.";
}
else{
echo "No Your Area Not Welcome!.";
}
$mysqli->close();
?>
我有表叫用户,我有两列电子邮件,并通过有,但我得到这个消息在运行代码之后: 注意:未定义的索引:第3行的C:\ wamp \ www \ tt \ PHP \ logedin.php中的电子邮件 注意:第4行的C:\ wamp \ www \ tt \ PHP \ logedin.php中的未定义索引:psword 你请让我知道我在做什么错了?
这并不真正解决缺少表单变量的实际问题,它只是隐藏了事实。 )错误;它应该覆盖/包装消息生成表达式,而不是目标变量 – mario
由于Mario的说法,抑制应该在'mysql_real_escape'上,而不是在变量上 – Ohgodwhy
谢谢Osa我真的很感谢你的时间和完美暗示 – user1760110