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如果使用livevalidation.js的ajax请求为true或false,我无法捕获。无论执行哪个php函数,它总是返回用户名为false或true;在生效验证中总是返回false
PHP代码
public function valid_username()
{
$is_username_exist = 'some query here';
if($is_username_exist == true){
$output['success'] = true;
}else{
$output['success'] = false;
}
echo json_encode($output);
}
JS代码
$(document).ready(function() {
var username = new LiveValidation('username',{validMessage: 'Available', wait:500});
username.add(Validate.Presence);
username.add(Validate.Length, { minimum: 4, maximum: 10 });
username.add(Validate.Custom, { against: function() { return check_username_availability('username', '#username', base_url+'cms-profile/profile_ajax/valid_username');}, failureMessage: 'Username already taken' });
});
function check_username_availability(name, id, postUrl)
{
var dataVal = name+'='+$(id).val();
$.ajax({
url: postUrl,
cache: false,
type: 'post',
dataType: 'json',
data: dataVal,
async: false,
success: function(data) {
return $.parseJSON(data);
}
});
}
感谢@Svetlio的反馈,仍然是相同的输出livevalidation.js仍然是“用户名已采取” – jalf