分享一个基于PHP的非常简单基础的注册系统,为了减轻难度没有使用Cookie和Session,数据库大家按照自己需求更改,有问题欢迎联系我。
index.html
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<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "UTF-8" >
< title >Title</ title >
</ head >
< body >
< a href = "join_us.html" >
注册
</ a >
< h2 >分开一下</ h2 >
< a href = "login.html" >
登录
</ a >
</ body >
</ html >
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join_us.html
注册页面,发一个表单给add_member.php,使用post。
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<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "UTF-8" >
< title >Title</ title >
</ head >
< body >
< h1 >欢迎加入我们</ h1 >
< form action = "add_member.php" method = "post" name = "register_form" >
< table >
< tr >
< td >
用户名:
</ td >
< td >
< input name = "member_name" type = "text" >
</ td >
</ tr >
< tr >
< td >
输入密码:
</ td >
< td >
< input name = "member_password" type = "password" >
</ td >
</ tr >
< tr >
< td >< input type = "submit" value = "确定" >
</ td >
</ table >
</ form >
</ body >
</ html >
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add_member.php
稍微用了一下js,也可以用header(),仅测试使用,项目不要傻乎乎的给root权限。
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<?php
$account = $_POST [ "member_name" ];
$password = $_POST [ "member_password" ];
//获取字段信息
$link = mysqli_connect( "127.0.0.1" , "root" , "" ) or die ( "连接失败" );
//连接数据库
mysqli_select_db( $link , "jack" );
//连接数据表
$sql = "SELECT * FROM info WHERE Name='$account'" ;
$result = mysqli_query( $link , $sql );
//检索数据库同名账户
if (mysqli_num_rows( $result ) != 0) {
mysqli_free_result( $result );
mysqli_close( $link );
//释放空间
echo "<script>alert('该用户名已被使用');history.go(-1);</script>" ;
//返回
}
//同名账户返回注册页
else {
$sql = "INSERT INTO info(Name,Password) VALUES( '$account','$password' )" ;
mysqli_query( $link , $sql );
//写入
mysqli_free_result( $result );
mysqli_close( $link );
//释放空间
echo "注册成功" ;
}
//非同名写入数据库
?>
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login.html
登录页面,发表单给check_password.php
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<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "UTF-8" >
< title >Title</ title >
</ head >
< body >
< h2 >
欢迎登录
</ h2 >
< form action = "check_password.php" method = "post" name = "register_form" >
< table >
< tr >
< td >
用户名:
</ td >
< td >
< input name = "member_name" type = "text" >
</ td >
</ tr >
< tr >
< td >
输入密码:
</ td >
< td >
< input name = "member_password" type = "password" >
</ td >
</ tr >
< tr >
< td >< input type = "submit" value = "确定" >
</ td >
</ table >
</ form >
</ body >
</ html >
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check_password.php
验证密码
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<?php
$account = $_POST [ "member_name" ];
$password = $_POST [ "member_password" ];
//获取字段信息
$link = mysqli_connect( "127.0.0.1" , "root" , "" ) or die ( "连接失败" );
//连接数据库
mysqli_select_db( $link , "jack" );
//连接数据表
$sql = "SELECT * FROM info WHERE Name='$account'AND Password='$password'" ;
$result =mysqli_query( $link , $sql );
if (mysqli_num_rows( $result ) == 0) {
mysqli_free_result( $result );
mysqli_close( $link );
//释放空间
echo "<script>alert('账户或密码错误');history.go(-1);</script>" ;
//返回
}
else {
mysqli_free_result( $result );
mysqli_close( $link );
//释放空间
echo "登录成功" ;
//建议在此处setcookie();
}
?>
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都是很基础的东西,大家多多交流。
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/qq_40568075/article/details/83047797