May 28, 2018
這是針對「Dropdown Menu inside a Navigation Bar」而做改良。這樣可以讓很多網頁真正有手機版與電腦版的Interface區別。為了客戶的案子裡頭使用這個寫法作為基礎,做下筆記。
▼電腦版介面
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▼手機版介面 (以ICON做區別)
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中文範例:點這裡
META部分(讓手機能夠辨識這個網頁與讓手機能維持1:1比例):
<meta name="viewport" content="width=device-width, initial-scale=1">
CSS部分:
.navbar {
overflow: hidden;
background-color:rgba(0,0,0,0.50);
font-family: Arial, Helvetica, sans-serif;
}
.navbar a {
float: left;
font-size: 16px;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
.dropdown {
float: left;
overflow: hidden;
}
.dropdown .dropbtn {
position: relative;
font-size: 16px;
border: none;
outline: none;
color: white;
padding: 14px 16px;
background-color: inherit;
font-family: inherit;
margin: 0;
}
.navbar a:hover, .dropdown:hover .dropbtn {
background-color: red;
}
.dropdown-content {
display: none;
position: absolute;
top: 50px;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropdown-content a {
float: none;
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropdown-content a:hover {
background-color: #ddd;
}
.dropdown:hover .dropdown-content {
display: block;
}
/*手機版上以以ICON界面呈現*/
@media only screen and (max-width:640px) {
.dropbtn{
display:inline-block;
background:url(icon_menu_48.png) no-repeat;
width: 48px;
height: 48px;
overflow: hidden;
text-indent: -150px;
}
}
HTML部分:
<div class="navbar">
<div class="dropdown">
<button class="dropbtn">MENU
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</div>
</div>
英文範例:點這裡
▼電腦版介面
▼手機版介面 (以ICON做區別)
中文範例:點這裡
META部分(讓手機能夠辨識這個網頁與讓手機能維持1:1比例):
<meta name="viewport" content="width=device-width, initial-scale=1">
CSS部分:
.navbar {
overflow: hidden;
background-color:rgba(0,0,0,0.50);
font-family: Arial, Helvetica, sans-serif;
}
.navbar a {
float: left;
font-size: 16px;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
.dropdown {
float: left;
overflow: hidden;
}
.dropdown .dropbtn {
position: relative;
font-size: 16px;
border: none;
outline: none;
color: white;
padding: 14px 16px;
background-color: inherit;
font-family: inherit;
margin: 0;
}
.navbar a:hover, .dropdown:hover .dropbtn {
background-color: red;
}
.dropdown-content {
display: none;
position: absolute;
top: 50px;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropdown-content a {
float: none;
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropdown-content a:hover {
background-color: #ddd;
}
.dropdown:hover .dropdown-content {
display: block;
}
/*手機版上以以ICON界面呈現*/
@media only screen and (max-width:640px) {
.dropbtn{
display:inline-block;
background:url(icon_menu_48.png) no-repeat;
width: 48px;
height: 48px;
overflow: hidden;
text-indent: -150px;
}
}
HTML部分:
<div class="navbar">
<div class="dropdown">
<button class="dropbtn">MENU
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</div>
</div>
英文範例:點這裡
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