[英]Why “formvalidation plugin” throws me a bug in remote validation?
[英]jQuery validation plugin multiple remote issue. Is it me or bug?
我在兩步注冊表單中使用jQuery Validation插件。
在“第一步”中,我正在使用遠程功能檢查用戶名和電子郵件的可用性。
這是錯誤(或我!):
但;
如果用戶名不存在,並且數據庫中存在電子郵件,則會在那里停止我並警告我電子郵件已經存在。 這樣就可以了。
如果數據庫中同時存在用戶名和電子郵件,也將阻止我。 因此,再次工作。
這是我正在使用的代碼;
HTML:
<div class="tab-content">
<p>Page.</p>
<form class="form-horizontal" onsubmit="return false;" action="" method="post" id="myform">
<div id="stepusername">
<p>This is step 1</p>
<input type="text" class="form-control" id="username" name="username" placeholder="Username" autocomplete="off"><br>
<input type="email" class="form-control" id="email" name="email" placeholder="email" autocomplete="off"><br>
<p><a class="btn btn-primary next">Go to step 2</a></p>
</div><!-- signup_one ends -->
<div id="stepemail">
<p>This is step 2</p>
<input type="password" class="form-control" id="password" name="password" placeholder="password" autocomplete="off"><br>
<input type="password" class="form-control" id="conf_password" name="conf_password" placeholder="password" autocomplete="off"><br>
<input class="btn btn-success next" type="submit" value="Finish">
</div><!-- step2 ends -->
</form>
<div id="stepsuccess">
<p>Show result here.</p>
</div><!-- success ends -->
</div><!-- tab-content ends -->
Java腳本:
<script type="text/javascript">
// jQuery.validate script, does client-side validation
$(document).ready(function(){
$(".next").click(function(){
var form = $("#myform");
form.validate({
errorElement: 'div',
errorClass: 'formerror',
highlight: function(element, errorClass, validClass) {
$(element).closest('.form-group').addClass("has-error");
},
unhighlight: function(element, errorClass, validClass) {
$(element).closest('.form-group').removeClass("has-error");
},
rules: {
username: {
required: true,
remote: {
url: "check-username.php",
async: false,
type: "post", }
},
password : {
required: true,
},
conf_password : {
required: true,
equalTo: '#password',
},
email: {
required: true,
remote: {
url: "check-email.php",
async: false,
type: "post", }
},
},
messages: {
username: {
required: "Username required",
remote: "Taken username.",
},
password : {
required: "Password required",
},
conf_password : {
required: "Password required",
equalTo: "Password don't match",
},
email: {
required: "Email required",
remote: "Taken email.",
},
}
});
if (form.valid() === true){
if ($('#stepusername').is(":visible")){
current_fs = $('#stepusername');
next_fs = $('#stepemail');
}else if($('#stepemail').is(":visible")){
current_fs = $('#stepemail');
next_fs = $('#stepsuccess');
}
next_fs.show();
current_fs.hide();
}
});
});
</script>
更新:
入住username.php
<?php
error_reporting(E_ERROR | E_PARSE);
try {
$handler = new PDO('mysql:host=localhost;dbname=users', 'root', '');
$handler->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
echo $e->getMessage();
die();
}
$request = $_REQUEST['username'];
$query = $handler->query("SELECT * from usertable WHERE username='$request'");
$results = $query->fetch(PDO::FETCH_ASSOC);
if(empty($request)) {
echo 'false' ;
}else {
if ($results == 0) {
$valid = 'true';
}
else {
$valid = 'false';
}
echo $valid ;
}
?>
入住email.php
<?php
error_reporting(E_ERROR | E_PARSE);
try {
$handler = new PDO('mysql:host=localhost;dbname=users', 'root', '');
$handler->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
echo $e->getMessage();
die();
}
$request = $_REQUEST['email'];
$query = $handler->query("SELECT * from usertable WHERE email='$request'");
$results = $query->fetch(PDO::FETCH_ASSOC);
if(empty($request)) {
echo 'false' ;
}else {
if ($results == 0) {
$valid = 'true';
}
else {
$valid = 'false';
}
echo $valid ;
}
?>
如果您願意,還可以使用jsFiddle: http : //jsfiddle.net/noptpece/
$query = $handler->query("SELECT * from usertable WHERE username='$request'");
如果用戶存在,則此行不顯示,其名稱等於$request
的內容,如果名稱為 “ $ request”的用戶存在,則查找該行,與電子郵件相同。
PHP中的字符串編寫工作方式不同,您應該編寫
$query = $handler->query("SELECT * from usertable WHERE username=".$request);
另外,您永遠不要使用這樣的MySQL查詢,因為這是注入SQL代碼並銷毀整個數據庫的最簡單方法。
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