php实现简单的注册系统
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- 2016-05-25 17:06:381957browse
php实现简单的注册系统
用户注册页面 reg.php
创建数据库 mydb.sql
PHP处理注册页面 regcheck.php
reg.php 用户注册页面
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>用户注册</title>
</head>
<body>
<form name="frm" method="post" action="checkreg.php">
<table width="31%" border="1" align="center">
<tr>
<td width="30%" height="35" align="right">用户名：</td>
<td width="70%" height="35"><input type="text" name="name" /></td>
</tr>
<tr>
<td width="30%" height="35" align="right">密码：</td>
<td width="70%" height="35"><input type="password" name="password" /></td>
</tr>
<tr>
<td height="35" colspan="2" align="center"><input type="submit" name="sub" value="提交" /></td>
</tr>
</table>
</form>
</body>
</html>mydb.sql 数据库
create database user; use user; create table yinfu( userId int unsigned not null auto_increment primary key, name varchar(20) not null, password varchar(20) not null );
checkreg.php php处理用户注册页面
<?php
//获取表单数据
$name=$_POST['name'];
$password=$_POST['password'];
$n=strlen($name);
$p=strlen($password);
if($n==0){
echo "请输入用户名";
}elseif(!($n>=5 && $n<=16)){
echo "用户名长度为5-16位";
}elseif($p==0){
echo "请输入密码";
}elseif(!($p>=5 && $p<=16)){
echo "密码长度为5-16位";
}else{
//连接数据库
$conn=mysql_connect("localhost","root","123456") or die("数据库连接失败");
//选择数据库
mysql_select_db("user");
//设置数据库编码
mysql_query("set names utf8");
//将表单获得的数据插入数据库
$sql="insert into yinfu(name,password)values('{$name}','{$password}')";
//执行sql 语句
mysql_query($sql);
//获得受影响的行数
$row=mysql_affected_rows($conn);
if($row>0)
{
echo "注册成功";
}else{
echo "注册失败";
}
}
?>Statement：
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