弹出式登录表单的实现


登录表单用于通过识别和认证将用户登录到网站或系统;用户凭证通常是某种形式的用户名和匹配的密码。

演示地址
https://www.perfcode.com/p/1326.demo.html
完整代码
<!DOCTYPE html>
<html>
<style>
 
/* Full-width input fields */
 
input[type=text],
input[type=password] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
}
 
/* Set a style for all buttons */
 
button {
    background-color: #48d1cc;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
}
 
 
.cancelbtn {
    width: auto;
    padding: 10px 18px;
    background-color: #4682b4;
}
 
/* Center the image and position
the close button */
 
.imgcontainer {
    text-align: center;
    margin: 24px 0 12px 0;
    position: relative;
}
 
img.avatar {
    width: 40%;
    border-radius: 50%;
}
 
.container {
    padding: 16px;
}
 
span.psw {
    float: right;
    padding-top: 16px;
}
 
/* The Modal (background) */
 
.modal {
   display: none;
   position: fixed;
   z-index: 1;
   left: 0;
   top: 0;
   width: 100%;
   height: 100%;
   overflow: auto;
   background-color: rgb(0,0,0);
   background-color: rgba(0,0,0,0.4);
   padding-top: 60px;
}
 
 
.modal-content {
    background-color: #fefefe;
    margin: 5% auto 15% auto;
    border: 1px solid #888;
    width: 80%;
}
 
/* The Close Button (x) */
 
.close {
    position: absolute;
    right: 25px;
    top: 0;
    color: #000;
    font-size: 35px;
    font-weight: bold;
}
 
.close:hover,
.close:focus {
    color: red;
    cursor: pointer;
}
 
/* Add Zoom Animation */
 
.animate {
-webkit-animation: animatezoom 0.6s;
animation: animatezoom 0.6s
}
 
@-webkit-keyframes animatezoom {
from {-webkit-transform: scale(0)}
to {-webkit-transform: scale(1)}
}
 
@keyframes animatezoom {
    from {transform: scale(0)}
    to {transform: scale(1)}
}
 
/* Change styles for span and cancel
button on extra small screens */
 
@media screen and(max-width: 300px){
    span.psw {
       display: block;
       float: none;
    }
    .cancelbtn {
       width: 100%;
    }
}
</style>
<body>
 
<h2> 登录表单示例效果</h2>
<p>点击下方按钮查看效果</p>
<button onclick="document.
getElementById('id01')
 
.style.display='block'"
style="width:auto;">登录
</button>
 
<div id="id01" class="modal">
 
<form class="modal-content animate"
action="http://demo.perfcode.com/html5/loginform.html">
<div class="imgcontainer">
<span onclick="document
.getElementById('id01')
 
.style.display='none'"
class="close" title="Close Modal">
    ×</span>
    </div>
 
 
<div class="container">
  <label><b>用户名</b></label>
  <input type="text" placeholder=
  "请输入用户名"
  name="uname" required>
 
 
<label><b>密码</b></label>
<input type="password" placeholder=
"请输入密码" name="psw" required>
 
 
<button type="submit">登录</button>
<input type="checkbox"
checked="checked">
记住密码
</div>
 
 
<div class="container"
style="background-color:#f1f1f1">
<button type="button"
onclick="document.getElementById
('id01').style.
 
display='none'" class="cancelbtn">
取消</button>
<span class="psw">忘记
<a href="#">密码?
 
</a></span>
  </div>
  </form>
</div>
 
<script>
 
// Get the modal
 
var modal = document.getElementById
('id01');
 
// When the user clicks anywhere
outside of the modal, close it
 
window.onclick = function(event) {
    if (event.target == modal) {
     modal.style.display = "none";
    }
}
</script>
 
</body>
</html>

如需转载,请注明出处,本文地址:https://www.perfcode.com/p/1326.html