我无法将div类的背景图像放回去，甚至无法缩小登录和行之间的差距。我已将所有这些设置为0px（边框，填充边距）。我找不到解决方案是否有任何编辑器显示CSS错误？
<?php
// session_start();
function redirect_to($new_location){
header("Location: " . $new_location);
}
$email="";
$password="";
$passwd_err=array();
$email_err=array();
$passwd_err[0]=$email_err[0]="";
session_start();
$_SESSION['custno']="";
function db_connect(){
$dbhost='localhost';
$dbuser='manoj';
$dbpass='harsha';
$dbname='vintage';
$connection=mysqli_connect($dbhost,$dbuser,$dbpass,$dbname);
if(mysqli_connect_errno()){
die("connection failed");
echo "<br/>";
}
else{
return $connection;
}
}
function password_check($password, $existing_hash) {
// existing hash contains format and salt at start
$hash = crypt($password, $existing_hash);
if ($hash === $existing_hash) {
return true;
} else {
return false;
}
}
function email_validation($emai)
{
if (filter_var($emai, FILTER_VALIDATE_EMAIL)) {
return true;
}
else{
$email_err[0]="INVALID EMAIL";
return false;
}
}
function password_validations($passwd)
{
$regex="$\S*(?=\S{8,30})(?=\S*[a-z])(?=\S*[A-Z])(?=\S*[\d])(?=\S*[\W])\S*$";
if(preg_match_all($regex,$passwd))
{
$passwd_err[0]="";
return true;
}
else{
$passwd_err[0]="Invalid Password";
return false;
}
/*
Explaining $\S*(?=\S{8,})(?=\S*[a-z])(?=\S*[A-Z])(?=\S*[\d])(?=\S*[\W])\S*$
$ = beginning of string
\S* = any set of characters
(?=\S{8,}) = of at least length 8
(?=\S*[a-z]) = containing at least one lowercase letter
(?=\S*[A-Z]) = and at least one uppercase letter
(?=\S*[\d]) = and at least one number
(?=\S*[\W]) = and at least a special character (non-word characters)
$ = end of the string
*/
}
if(isset($_POST["Dive_In"]))
{
$connect=db_connect();
if($_POST["password"]==""){
$passwd_err[0]="Cannot be left blank";
}
if(($_POST["username"]==""))
{
$email_err[0]="cannot be left blank";
}
if( ($_POST["password"]!="") &&($_POST["username"]!="") )
{
$email=$_POST["username"];
$password=$_POST["password"];
if(email_validation($email)){
$email_sql="select CustNo from Customer where email='{$email}' ";
$query=mysqli_query($connect,$email_sql);
if(mysqli_num_rows($query)==1)
{
$result=mysqli_fetch_row($query);
$CustNo=$result[0];
if(password_validations($password))
{
$password_sql="select password from passwd s where s.em_id = $CustNo ";
$passwd_sql=mysqli_query($connect,$password_sql);
$pass_sql=mysqli_fetch_row($passwd_sql);
if(password_check($password,$pass_sql[0]))
{
$_SESSION['custno']=$CustNo;
mysqli_close($connect);
redirect_to("login.php");
}
else{
$passwd_err[0]="Wrong Password";
mysqli_close($connect);
}
}
else{
$passwd_err[0]="Invalid Password";
mysqli_close($connect);
}
}
else{
$email_err[0]="User does not exist";
}
}
else{
$email_err[0]="Invalid email";
mysqli_close($connect);
}
/*if(password_validations($password))
{
echo "true";
}
else{
echo "false";
}*/
}
}
else{
$email="";
$password="";
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Home</title>
<style>
p,div,h1,h2,h3,ul,li,form,span{
margin: 0px;
padding:0px;
border: 0px;
}
.back{
background-size:cover;
background-image:url("/img/angry.jpg");
width:100%;
height:100%;
}
.header{
background-color: #F3F5F6;
width:100%;
height:100px;
margin:0px;
padding:0px;
border: 0px;
}
div.signin{
background-color:rgba(1,1,1,0.62);
border:1px solid silver;
width:350px;
height:361px;
border-radius:4px;
margin-top:50px;
margin-right:20px;
float: right;
}
.text{
width: 275px;
height: 30px;
border-radius:6px;
margin-bottom:18px;
box-shadow:1px 1px 1px;
}
.bod{
padding: 0px;
margin: 0px;
border: 0px;
font-family: "Open Sans, Helvetica, Arial, sans-serif";
font-size: 20px;
}
.box{
margin-top:80px;
margin-left:30px;
}
ul{
margin-top: 70px;
margin-left:35px;
padding:0px;
white-space:nowrap; <!-- ensures that text stays on one line.-->
list-style: none;
padding:0px;
float: right;
}
ul li{
margin-left: 20px;
margin-right: 30px;
margin-top: 5px;
padding: 0px;
display: inline-block;
font-family: "Open Sans, Helvetica, Arial, sans-serif";
font-size: 16px;
}
li a{
color:#0084CB;
text-decoration: none;
font-size: 20px;
}
</style>
</head>
<body class="bod">
<div class="header">
<img style="margin-left:15px;margin-right: 5px;margin-top: 10px; position:absolute;" src="/img/download.jpeg" height='50' width='50'align="center" >
<p style="color:#0084CB;font-size: 30px; float:left; position:relative; margin-top: 17px; margin-left: 70px;">
Vintage Bank
</p>
<ul >
<li>
<a href="index.php"><p>HOME</p></a>
</li>
<li >
<a href="admins/Employee/em_admin.php">EMPLOY</a>
</li>
<li >
<a href="admins/Manager/admin_mgr.php">MANAGER</a>
</li>
</ul>
</div>
<div class="back">
<div class="signin">
<div style="color:white;font-family: 'Arial';margin-top:22px;margin-left: 15px; font-size: 25px;">LOGIN</div>
<div style="margin-top:2px;margin-left:10px;color: white;">____________________________</div>
<form name="login" action="index.php" method="post" class="box">
<input type="text" class="text" name="username" placeholder="Username" autocomplete="on" size="40px;" value="" ><?php echo $email_err[0]; ?></br>
<input type="password" class="text" name="password" placeholder="Password" size="40px;" value="" ><?php echo $passwd_err[0]; ?></br>
<input type="submit" name="Dive_In" va_delue="Dive In">
</form>
</div>
</div>
</body>
</html>
答案 0 :(得分：0)
请尝试以下代码：
<?php
// session_start();
function redirect_to($new_location){
header("Location: " . $new_location);
}
$email="";
$password="";
$passwd_err=array();
$email_err=array();
$passwd_err[0]=$email_err[0]="";
session_start();
$_SESSION['custno']="";
function db_connect(){
$dbhost='localhost';
$dbuser='manoj';
$dbpass='harsha';
$dbname='vintage';
$connection=mysqli_connect($dbhost,$dbuser,$dbpass,$dbname);
if(mysqli_connect_errno()){
die("connection failed");
echo "<br/>";
}
else{
return $connection;
}
}
function password_check($password, $existing_hash) {
// existing hash contains format and salt at start
$hash = crypt($password, $existing_hash);
if ($hash === $existing_hash) {
return true;
} else {
return false;
}
}
function email_validation($emai)
{
if (filter_var($emai, FILTER_VALIDATE_EMAIL)) {
return true;
}
else{
$email_err[0]="INVALID EMAIL";
return false;
}
}
function password_validations($passwd)
{
$regex="$\S*(?=\S{8,30})(?=\S*[a-z])(?=\S*[A-Z])(?=\S*[\d])(?=\S*[\W])\S*$";
if(preg_match_all($regex,$passwd))
{
$passwd_err[0]="";
return true;
}
else{
$passwd_err[0]="Invalid Password";
return false;
}
/*
Explaining $\S*(?=\S{8,})(?=\S*[a-z])(?=\S*[A-Z])(?=\S*[\d])(?=\S*[\W])\S*$
$ = beginning of string
\S* = any set of characters
(?=\S{8,}) = of at least length 8
(?=\S*[a-z]) = containing at least one lowercase letter
(?=\S*[A-Z]) = and at least one uppercase letter
(?=\S*[\d]) = and at least one number
(?=\S*[\W]) = and at least a special character (non-word characters)
$ = end of the string
*/
}
if(isset($_POST["Dive_In"]))
{
$connect=db_connect();
if($_POST["password"]==""){
$passwd_err[0]="Cannot be left blank";
}
if(($_POST["username"]==""))
{
$email_err[0]="cannot be left blank";
}
if( ($_POST["password"]!="") &&($_POST["username"]!="") )
{
$email=$_POST["username"];
$password=$_POST["password"];
if(email_validation($email)){
$email_sql="select CustNo from Customer where email='{$email}' ";
$query=mysqli_query($connect,$email_sql);
if(mysqli_num_rows($query)==1)
{
$result=mysqli_fetch_row($query);
$CustNo=$result[0];
if(password_validations($password))
{
$password_sql="select password from passwd s where s.em_id = $CustNo ";
$passwd_sql=mysqli_query($connect,$password_sql);
$pass_sql=mysqli_fetch_row($passwd_sql);
if(password_check($password,$pass_sql[0]))
{
$_SESSION['custno']=$CustNo;
mysqli_close($connect);
redirect_to("login.php");
}
else{
$passwd_err[0]="Wrong Password";
mysqli_close($connect);
}
}
else{
$passwd_err[0]="Invalid Password";
mysqli_close($connect);
}
}
else{
$email_err[0]="User does not exist";
}
}
else{
$email_err[0]="Invalid email";
mysqli_close($connect);
}
/*if(password_validations($password))
{
echo "true";
}
else{
echo "false";
}*/
}
}
else{
$email="";
$password="";
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Home</title>
<style>
p,div,h1,h2,h3,ul,li,form,span{
margin: 0px;
padding:0px;
border: 0px;
}
.back{
background-size:cover;
background-image:url("/img/angry.jpg");
width:100%;
height:100%;
}
.header{
background-color: #F3F5F6;
width:100%;
height:100px;
margin:0px;
padding:0px;
border: 0px;
}
div.signin{
background-color:rgba(1,1,1,0.62);
border:1px solid silver;
width:350px;
height:361px;
border-radius:4px;
margin-top:50px;
margin-right:20px;
float: right;
}
.text{
width: 275px;
height: 30px;
border-radius:6px;
margin-bottom:18px;
box-shadow:1px 1px 1px;
}
.bod{
padding: 0px;
margin: 0px;
border: 0px;
font-family: "Open Sans, Helvetica, Arial, sans-serif";
font-size: 20px;
}
.box{
margin-top:80px;
margin-left:30px;
}
ul{
margin-top: 70px;
margin-left:35px;
padding:0px;
white-space:nowrap; <!-- ensures that text stays on one line.-->
list-style: none;
padding:0px;
float: right;
}
ul li{
margin-left: 20px;
margin-right: 30px;
margin-top: 5px;
padding: 0px;
display: inline-block;
font-family: "Open Sans, Helvetica, Arial, sans-serif";
font-size: 16px;
}
li a{
color:#0084CB;
text-decoration: none;
font-size: 20px;
}
</style>
</head>
<body class="bod">
<div class="header">
<img style="margin-left:15px;margin-right: 5px;margin-top: 10px; position:absolute;" src="/img/download.jpeg" height='50' width='50'align="center" >
<p style="color:#0084CB;font-size: 30px; float:left; position:relative; margin-top: 17px; margin-left: 70px;">
Vintage Bank
</p>
<ul >
<li>
<a href="index.php"><p>HOME</p></a>
</li>
<li >
<a href="admins/Employee/em_admin.php">EMPLOY</a>
</li>
<li >
<a href="admins/Manager/admin_mgr.php">MANAGER</a>
</li>
</ul>
</div>
<div class="back">
<div class="signin">
<div style="color:white;font-family: 'Arial';margin-top:22px;margin-left: 15px; font-size: 25px;border-bottom: 1px solid #FFF;">LOGIN</div>
<form name="login" action="index.php" method="post" class="box">
<input type="text" class="text" name="username" placeholder="Username" autocomplete="on" size="40px;" value="" ><?php echo $email_err[0]; ?></br>
<input type="password" class="text" name="password" placeholder="Password" size="40px;" value="" ><?php echo $passwd_err[0]; ?></br>
<input type="submit" name="Dive_In" va_delue="Dive In">
</form>
</div>
</div>
</body>
</html>
答案 1 :(得分：0)
试试这个 。背部 { 背景尺寸：盖;
background:url("/img/angry.jpg");
width:361PX;
height:350PX;
}
.header{
background-color: #F3F5F6;
width:100%;
height:100px;
margin:0px;
padding:0px;
border: 0px;
}
div.signin{
background-color:rgba(1,1,1,0.62);
border:1px solid silver;
width:350px;
height:361px;
border-radius:4px;
margin-top:0px;
margin-right:0px;
float: right;
}
.text{
width: 275px;
height: 30px;
border-radius:6px;
margin-bottom:18px;
box-shadow:1px 1px 1px;
}
.bod{
padding: 0px;
margin: 0px;
border: 0px;
font-family: "Open Sans, Helvetica, Arial, sans-serif";
font-size: 20px;
}
.box{
margin-top:20px;
margin-left:30px;
}
ul{
margin-top: 70px;
margin-left:35px;
padding:0px;
white-space:nowrap; <!-- ensures that text stays on one line.-->
list-style: none;
padding:0px;
float: right;
}
ul li{
margin-left: 20px;
margin-right: 30px;
margin-top: 5px;
padding: 0px;
display: inline-block;
font-family: "Open Sans, Helvetica, Arial, sans-serif";
font-size: 16px;
}
li a{
color:#0084CB;
text-decoration: none;
font-size: 20px;
}
</style>