这幅图是报错,开始我设置的是128mb的内存,修改到1gb后依然是这样的错误 .
以下是相关代码:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width ,initial-scale=1,minimum-scale=1,user-scalable=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<link type="text/css" rel="stylesheet" href="register.css">
<style>
body{height: 500px; width: 100%;padding: 0px;margin: 0px;position: relative;background-color: darksalmon;}
</style>
</head>
<body>
<div class="bigbox">
<table>
<h1 class="title">请在此注册哦!</h1>
<form method="POST" action="doregister.php">
<tr>
<td align="center">用户名</td>
<td><input type="text" name="username" placeholder="您的用户名不能超过10个字符"</td>
</tr>
<tr>
<td align="center">密码</td>
<td><input type="password" name="passwd1" placeholder="输入密码,不得超过16个字符"</td>
</tr>
<tr>
<td align="center">再次确认密码</td>
<td><input type="password" name="passwd2" placeholder="再次输入您的密码"</td>
</tr>
<tr>
<td><input type="submit" name="confirm" value="确认注册" class="confirm"></td>
</tr>
</form>
</table>
</div>
</body>
</html>
doregister.php
<?php
require_once 'config.php';
$convey = new DB();
$link = $convey->connect();
$username=$_POST['username'];
$passwd1=$_POST['passwd1'];
$passwd2=$_POST['passwd2'];
if($passwd1!=$passwd2){
echo "<script>alert('两次输入的密码不相等');location='register.html';</script>";
}
if($username==null&&$passwd1==null){
echo "<script>alert('请输入密码或用户名');location='register.html';</script>";
}
else {
$SQL="select * from users";
$result=array();
$result=$convey->query($link,$SQL);
$sql="insert into users (username,password) values('$username','$passwd1')";
for($i=0;$i<count($result);$i++){
if($username!=$result[$i]['username']){
$result=$convey->insert($link,$sql);
}
if($username==$result[$i]['username']){
echo "<script>alert('该用户名已存在!');location ='register.html';</script>";
}
}
}
?>
<?php
define('host','localhost');
define('user','root');
define('password','');
define('database','db1');
class DB{
//连接数据库
function connect(){
@$link=mysqli_connect(host,user,password,database);
if(mysqli_connect_errno()){
die('数据库连接失败'.mysqli_connect_errno());
}
return $link;
}
//查询数据
function query($link,$SQL){
$result= mysqli_query($link,$SQL);
$row=mysqli_fetch_array($result);
while($row){
$data[]=$row; //报错出问题的一行
}
if($data){
return $data;
}
else{
return false;
}
}
//插入数据
function insert($link,$sql){
if (mysqli_query($link,$sql)) {
echo "<script> alert('注册成功!');location='login.html'; </script>";
} else {
echo "Error insert data: " . $link->error;
}
}
//登录判断
function login($link,$sql){
$result=mysqli_query($link,$sql);
$num=mysqli_num_rows($result);
if($num!=0){
return true;
}
else{
return false;
}
}
}
?>
