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日期選擇器javascript和電子郵件檢查ajax java腳本錯誤

[英]Date picker javascript and email check ajax java script error

我有一個表單html,其中包含出生日期和電子郵件字段。 我正在使用日期選擇器為出生地的bate工作正常。對於電子郵件領域。我使用ajax驗證email.email驗證不起作用。 我使用以下代碼,

HTML

<?php
session_start();
ob_start();
?>
<!DOCTYPE html>
<html>
<head><title>TIME MANAGEMENT</title>
    <style>
        body { margin: 0; padding: 0; font-family:Verdana; font-size:20px }
        td   { padding: 2px; font-family:Verdana; font-size:10px }
        .input_s1_normal   { width: 150; height: 15; font-family: Verdana; font-size: 10px; border: 1px solid black; }
        .input_s1_focus    { background: #efefef; }
        .button_s1   { font-family: Verdana; font-size: 10px; font-weight: bold; border: 1px solid black; }
    </style>
            <link rel="stylesheet" href="css/jquery-ui.css">
        <link rel="stylesheet" href="css/registration.css">
        <script src="js/jquery-1.2.6.min.js"  type="text/javascript"></script>
        <script src="js/jquery-1.10.2.js"></script>
        <script src="js/jquery-ui.js"></script>     
        <script>
        $(function()  {
            $( "#datepicker" ).datepicker({ dateFormat: "yy-mm-dd" }).val()
        });
        </script>
        <script src="js/check.js"  type="text/javascript"></script>
</head>

<body>
    <form name="chkForm" id="chkForm" method="POST" action="condition.php">
        Name<input type="text" name="empname" value=""/><br/>
        <p>
            DOB <input type="text" id="datepicker" name="empdob" value="" /><br/><!--d-m-y-->
        </p>
        <?php
            $link = mysql_connect("localhost", "root", "");
            mysql_select_db("harisan", $link);

            $result = mysql_query("SELECT * FROM designation", $link);
            $num_rows = mysql_num_rows($result);
            if($num_rows>0)
            {
                echo "Designation <select name='position'><br/>";
                while($result1= mysql_fetch_array($result))
                {
                    echo    "<option value='".$result1['design_name']."'>".$result1['design_name']."
                    </option>";
                }
                echo "</select>";   
            }
        ?>  
        <br/>
        Email<input id="email"  type="text"  name="email" /><br/>
        <div id="emailInfo" align="left"></div>
        <input type="submit"   name="signup" value="submit"></input>
        <a href="view_list.php" value="">view</a>
    </form>
</body>
</html>

JavaScript的

$(document).ready(function(){
    $('#B1').attr('disabled','');
    var emailok = false;
    var boxes = $(".input_s1_normal");
    var myForm = $("#chkForm"), email = $("#email"), emailInfo = $("#emailInfo");

    //give some effect on focus
    boxes.focus(function(){
        $(this).addClass("input_s1_focus");
    });
    //reset on blur
    boxes.blur(function(){
        $(this).removeClass("input_s1_focus");
    });

    //Form Validation
    myForm.submit(function(){

        if(email.attr("value") == "")
        {
            alert("Enter Email");
            email.focus();
            return false;
        }
        if(!emailok)
        {
            alert("Check Email");
            email.attr("value","");
            email.focus();
            return false;
        }
    });

    //send ajax request to check email
    email.blur(function(){
        $.ajax({
            type: "POST",
            data: "email="+$(this).attr("value"),
            url: "check.php",
            beforeSend: function(){
                emailInfo.html("<font color='blue'>Checking Email...</font>");
            },
            success: function(data){
                if(data == "invalid")
                {
                    emailok = false;
                    emailInfo.html("<font color='red'>Invalid Email</font>");
                }
                else if(data != "0")
                {
                    emailok = false;
                    emailInfo.html("<font color='red'>Email Already Exist</font>");
                }
                else 
                {
                    emailok = true;
                    emailInfo.html("<font color='green'>Email OK</font>");
                }
            }
        });
    });
});

我不知道是什么問題。請幫助我是javascript的新手。 電子郵件驗證無法正常工作。它總是在重新顯示無效的電子郵件 我使用了以下網址: https//beski.wordpress.com/2009/05/16/check-email-already-exist-ajax-jquery/

聽起來你的問題在你的check.php里面(你沒有包括)。 如果你在check.php中使用正則表達式來驗證你的電子郵件我試着用這個代碼替換它,看它是否有效:

    if(filter_var($email, FILTER_VALIDATE_EMAIL)) {
     //Valid email!
   }

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