如何 - 菜单中的登录表单

了解如何创建其中包含登录表单的响应式导航菜单。

如何在导航栏中添加登录表单

步骤1）添加HTML：

示例

<div class="topnav">
<a class="active" href="#home">Home</a>
<a href="#about">About</a>
<a href="#contact">Contact</a>
<div class="login-container">
    <form action="/action_page.html">
      <input type="text" placeholder="Username" name="username">
      <input type="text" placeholder="Password" name="psw">
      <button type="submit">Login</button>
    </form>
</div>
</div>

步骤2）添加CSS：

示例

* {box-sizing: border-box;}

/* Style the navbar */
.topnav {
overflow: hidden;
background-color: #e9e9e9;
}

/* Navbar links */
.topnav a {
float: left;
display: block;
color: black;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
}

/* Navbar links on mouse-over */
.topnav a:hover {
background-color: #ddd;
color: black;
}

/* Active/current link */
.topnav a.active {
background-color: #2196F3;
color: white;
}

/* Style the input container */
.topnav .login-container {
float: right;
}

/* Style the input field inside the navbar */
.topnav input[type=text] {
padding: 6px;
margin-top: 8px;
font-size: 17px;
border: none;
width: 150px; /* adjust as needed (as long as it doesn't break the topnav) */
}

/* Style the button inside the input container */
.topnav .login-container button {
float: right;
padding: 6px;
margin-top: 8px;
margin-right: 16px;
background: #ddd;
font-size: 17px;
border: none;
cursor: pointer;
}

.topnav .login-container button:hover {
background: #ccc;
}

/* Add responsiveness - On small screens, display the navbar vertically instead of horizontally */
@media screen and (max-width: 600px) {
.topnav .login-container {
    float: none;
}
.topnav a, .topnav input[type=text], .topnav .login-container button {
    float: none;
    display: block;
    text-align: left;
    width: 100%;
    margin: 0;
    padding: 14px;
}
.topnav input[type=text] {
    border: 1px solid #ccc;
}
}

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