【代码片段】formLogin 

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>Login</title>
    <!--[if lt IE 9]>
    <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->
    <link rel="stylesheet" href="css/styles.css">
</head>
<body>
    <!-- Script 2.2 - login.html -->
    <form action="login.php" method="post" id="loginForm">
        <fieldset>
            <legend>Login</legend>
            <div><label for="email">Email Address</label><input type="email" name="email" id="email" required></div>
            <div><label for="password">Password</label><input type="password" name="password" id="password" required></div>
            <div><label for="submit"></label><input type="submit" value="Login &rarr;" id="submit"></div>
        </fieldset>
    </form>
    <script src="js/login.js"></script>
</body>
</html>
// Script 2.3 - login.js

// Function called when the form is submitted.
// Function validates the form data and returns a Boolean value.
function validateForm() {
    'use strict';
    
    // Get references to the form elements:
    var email = document.getElementById('email');
    var password = document.getElementById('password');

    // Validate!
    if ( (email.value.length > 0) && (password.value.length > 0) ) {
        return true;
    } else {
        alert('Please complete the form!');
        return false;
    }
    
} // End of validateForm() function.

// Function called when the window has been loaded.
// Function needs to add an event listener to the form.
function init() {
    'use strict';
    
    // Confirm that document.getElementById() can be used:
    if (document && document.getElementById) {
        var loginForm = document.getElementById('loginForm');
        loginForm.onsubmit = validateForm;
    }

} // End of init() function.

// Assign an event listener to the window's load event:
window.onload = init;
/* From: http://www.assemblesoft.com/examples/form/simpleform.html */
* {margin:0; padding:0;}

html {
    font: 90%/1.3 arial,sans-serif;
    padding:1em;
    background:#B9C2CC;
}
form {
    background:#fff;
    padding:1em;
    border:1px solid #eee;
}

fieldset div {
    margin:0.3em 0;
    clear:both;
}

form {
    margin:1em;
    width:15em;
}

label {
    float:none;
    width:12em;
    display:block;
    clear:both;
}

legend {
    color:#0b77b7;
    font-size:1.4em;
}
legend span {
    width:10em;
    text-align:right;
}
input {
    padding:0.15em;
    width:10em;
    border:1px solid #ddd;
    background:#fafafa;
    font:bold 1em arial, sans-serif;
    display:block;
    float:left;
}
input:hover, input:focus {
    border-color:#c5c5c5;
    background:#f6f6f6;
} 
fieldset {
    border:1px solid #ddd;
    padding:0 0.5em 0.5em;
}
.date input {
    background-image:url(../gfx/calendar-small.gif);
    background-repeat:no-repeat;
    background-position:100% 50%;
}

.date fieldset label {
    float:none;
    display:block;
    text-align:left;
    width:auto;
}
.date fieldset div {
    float:left;
    clear:none;
    margin-right:0.2em;
}
.radio, .date {
    position:relative;
}
.radio fieldset, .date fieldset {
    border:none;
    width:auto;
    padding:1px 0 0 11em;
}
.radio legend, .date legend {
    font-size:1em;
    color:#000;
}
.radio legend span, .date legend span {
    position:absolute;
    left:0;
    top:0.3em;
    width:10em;
    display:block;
}
.radio label, .radio input {
    vertical-align:middle;
    display:inline;
    float:none;
    width:auto;
    background:none;
    border:none;
}
.radio div {
    float:left;
    white-space:nowrap;
    clear:none;
}

.email {
    width:14em;
}

input.default {
    color:#bbb;
}

#submit {
    margin:1em;
    width:69px;
    height:26px;
    overflow:hidden;
    border:0;
    display:block;
    cursor:pointer !important;
}
#submit:hover {
    background-position:0 -26px;
}

.error {
    color: #FF1400;
}

 

posted @ 2012-12-27 19:57  KOJYA  阅读(231)  评论(0)    收藏  举报