注册-登陆网页设计源码
时间：2020-08-21 08:52:16 来源：达达文档网 本文已影响 人 
Login.html
<!--
To change this template, choose Tools | Templates
and open the template in the editor.
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style type="text/css">
body {background-image:url(/Php1/114d4f1fd9657b45f624e4fa.jpg);}
table.one
{
border-collapse: separate;
border-spacing: 15px
}
table.two
{
border-collapse: separate;
border-spacing: 10px 15px
}
</style>
</head>
<body >
<form action="login.php" method="POST">
<a href="44:8080/Php1/register.html"target="_blank">注册</a>
<h1 style="color: green" align="center">登录页面</h1>
<table class="one" border="4"align="center" >
<tr>
<td>username</td>
<td><input type="text" value="" id="username" name="username"style="width: 200;height: 40;color: blue"/></td>
</tr>
</table>
<br>
<table class="two" border="4" align="center">
<tr>
<td>password</td>
<td><input type="text" value="" id="password" name="password"style="width: 200;height: 40;color:blue"/><td>
</tr>
</table>
<br>
<table align="center">
<tr>
<td><input type="submit" value="login"style="width: 200;height: 40;color: blue" /></td>
</tr>
</table>
</form>
</body>
</html>
Login.php
<?php
$connstr = "host= port=5432
dbname=student user=postgres password=123456";
$conn = pg_connect($connstr);
if (!$conn) {
echo "can't connect to database";
}
$username = $_POST['username'];
$password = $_POST['password'];
$sql = "select count(1) from st_user where username=$1 and password=$2";
$params = array();
$params[0] = $username;
$params[1] = $password;
$result = pg_query_params($conn, $sql, $params);
//$sql = "select count(1) from st_user where username='$username' and password='$password' ";
//$result = pg_query($conn, $sql);
//echo $sql . "<br>";
if (!$result) {
echo pg_last_error($conn);
}
$row = pg_fetch_row($result);
if ($row[0] == 1) {
echo "登录成功";
} else {
echo "用户名不存在或密码有误请新用户注册以后再登录.";
}
pg_free_result($result);
pg_close($conn);
?>
Register.html
<!--
To change this template, choose Tools | Templates
and open the template in the editor.
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style type="text/css">
body {background-image:url(/Php1/51e69373b8b8a33a8701b0fa.jpg);}
table.one
{
border-collapse: separate;
border-spacing: 45px 10px
}
table.two
{
border-collapse: separate;
border-spacing: 32px 10px
}
table.three
{
border-collapse: separate;
border-spacing:18px 10px
}
table.four
{
border-collapse: separate;
border-spacing: 10px 15px
}
p.thicker {font-weight: 900}
</style>
</head>
<body>
<a href="44:8080/Php1/login.html"target="_blank">返回登录首页</a>
<h1 style="color: green" align="center">注册页面</h1>
<form action="register.php" method="POST">
<table class="one" align="center" border="4">
<tr>
<td><p class="thicker">username</p></td>
<td>
<input type="text" value="" id="username" name="username"style="width: 200;height: 55;color:darkblue" />
</td>
</tr>
</table >
<br>
<table class="two" align="center" border="4">
<tr>
<td><p class="thicker">password</p></td>
<td>
<input type="password" value="" id="password" name="password"style="width: 200;height: 55;color: darkblue"/>
<td>
</tr>
</table>
<br>
<table class="three" align="center" border="4">
<tr>
<td><p class="thicker">confirmpassword</p></td><td><input type="password" value="" id="confirmpassword" name="confirmpassword"style="width: 200;height: 55;color: yellowgreen"/><td>
</tr>
</table>
<br>
<table class="four" align="center" border="4" >
<tr>
<td><input type="submit" value="register"style="width: 140;height: 30;color: blue" /></td>
</tr>
</table>
</form>
</body>
</html>
Register.php
<?php
$connstr = "host= port=5432
dbname=student user=postgres password=123456";
$conn = pg_connect($connstr);
if (!$conn) {
echo "can't connect to database";
}
$username = $_POST['username'];
$password = $_POST['password'];
$confirmpassword = $_POST['confirmpassword'];
if($password != $confirmpassword){
echo "password not equal to confirm password";
exit(1);
}
$sql = "insert into st_user(username,password) values($1,$2)";
$params = array();
$params[0] = $username;
$params[1] = $password;
$result = pg_query_params($conn, $sql, $params);
if ($result) {
echo "注册成功请到登录页面进行登录，返回登录页面";
}
pg_free_result($result);
pg_close($conn);
?>
