注册-登陆网页设计源码

时间：2020-08-21 08:52:16　来源：天一资源网本文已影响人

<!--

　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>

　 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 >

　 <tr>

　 <td>username</td>

　 </tr>

　 </table>

　 <br>

　 <tr>

　 <td>password</td>

　 </tr>

　 </table>

　 <br>

　 <tr>

　 </tr>

　 </table>

　 </form>

　 </body>

　</html>

　<?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);

<!--

　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>

　 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>

　 <tr>

　 <td><p class="thicker">username</p></td>

　 <td>

　 </td>

　 </tr>

　</table >

　<br>

　 <tr>

　 <td><p class="thicker">password</p></td>

　 <td>

　 <td>

　 </tr>

　</table>

　 <br>

　 <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>

　 <tr>

　 </tr>

　</table>

　 </form>

　</body>

　</html>

　<?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);

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