标签：put add scale url insert success blur console root
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>注册</title>
</head>
<body>
<?php
if ($_POST) {
$name = trim($_POST[‘name‘]);
$pasd = md5(trim($_POST[‘pasd‘]));
$conn = new mysqli(‘localhost‘, ‘root‘, ‘root‘, ‘aaa‘);
if ($conn->connect_error) {
echo $conn->error;
} else {
// 判断用户是否已经注册
$sql = "select * from kaoshi where name = ‘$name‘";
$res = $conn->query($sql);
$sql = "insert into kaoshi(name,mima) values(‘$name‘,‘$pasd‘)";
if ($res->num_rows > 0) {
echo ‘用户已注册‘;
} else {
$res = $conn->query($sql);
if ($res) {
echo ‘注册成功‘;
} else {
echo ‘注册失败‘;
}
};
}
$conn->close();
}
?>
<form action="" method="post" onsubmit="return sub();" enctype="multipary/from-data">
用户名：<input type="text" name="name" id="name">
<p id="a"></p>
<br>
密码：<input type="password" name="pasd" id="pasd">
<br>
<a href="http://www.q.com/denglu.php">返回登入</a>
<input type="submit" value="注册">
</form>
</body>
<script src="js/jquery-3.4.1.js"></script>
<!-- 判断用户密码的长度 -->
<script>
// 失去焦点时间
$(‘#name‘).blur(function(){
var vals =$(‘#name‘).val();
$.ajax({
url:‘ajax.php‘,
type:‘post‘,
async:false, //true异步处理//false同步处理
data: {‘val‘:vals,‘id‘:3},
dataType: ‘json‘,
success: function(res){
console.log(res);
if(res.row>0){
$(‘#a‘).text(‘用户名已注册‘);
$(‘#uname‘).addClass(‘iszhuce‘);
}
}
});
$(‘#a‘).text(‘用户已注册‘)
})
function sub(){
var i = $(‘#name‘).val();
var pad = $(‘pasd‘).val();
if(!i){
alert(‘用户名必填‘);
return false;
}
if(!pad){
alert(‘密码必填‘);
return false;
}
if(i.lenght >6){
return true;
}else{
alert(‘用户名长度不够‘);
return false;
};
if(pad.lenght >8){
return true;
}else{
alert(‘密码长度不够‘);
return false;
}
};
</script>
</html>
标签：put add scale url insert success blur console root
原文地址：https://www.cnblogs.com/wangzihao147/p/12391423.html
