描述info--登錄校驗碼在PHP
<?php
$loginpassword = $_POST['password'];
$loginemail = $_POST['email'];
//connect
$my_hostname = "localhost";
$my_user = "root";
$my_password = "root";
$connect = mysql_connect($my_hostname, $my_user, $my_password);
$mysql_database = "myapp";
mysql_select_db($mysql_database, $connect);
//email and password check
$query = "SELECT * FROM hw2 WHERE email = '$loginemail'";
$check= mysql_query($query);
$result = mysql_num_rows($check);
if ($result = 0) {
die("EmailID does not exist");
}
// part 3
if ($loginemail = "[email protected]" and $loginpassword = "12345") {
$sql_sel_query = "SELECT * FROM hw2";
$result = mysql_query($sql_sel_query);
$total_num_rows = mysql_num_rows($result);
$i=0;
while ($i < $total_num_rows) {
$new_row = mysql_fetch_array($result);
$firstname_dis = $new_row['firstname'];
$lastname_dis = $new_row['lastname'];
echo "$firstname_dis";
echo "--";
echo "$lastname_dis";
echo "<BR>";
$i=$i+1;
}
?>
我新的PHP代碼,在這裏我想實現的功能中附加的想象。但我有點在步驟b中迷失了。任何人都可以幫助我,並在可能的情況下檢查其他步驟是否正確。
對不起你們,請點擊 「在這裏輸入圖像描述」看到附件的想象。 –
使用mysql_ *函數停止!他們不安全,不推薦,不見了。改用mysqli_ *或PDO。 – Jeff
如果電子郵件地址錯誤或電子郵件地址正確但密碼錯誤,我不建議給出具體的答覆。這使得更容易入侵。相反有一個答覆「憑據是錯誤的」 – Jeff