web - 自定义菜单的方法 menu
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可以使用popover, 但是对于一些遗留项目, jquery 与bootstrap互相结合,有点儿混乱的时候,
我倾向于使用这个:
https://www.w3schools.com/howto/tryit.asp?filename=tryhow_css_js_dropdown_hover1. 增加HTML:
<div class="dropdown">
<button class="dropbtn">Dropdown
<div class="dropdown-content">
<a href="#">Link 1 </a>
<a href="#">Link 2 </a>
<a href="#">Link 3 </a>
</div>
</div>
2. 增加CSS:
.dropbtn {
background-color: #4CAF50;
color: white;
padding: 16px;
font-size: 16px;
border: none;
cursor: pointer;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {background-color: #f1f1f1}
.dropdown:hover .dropdown-content {
display: block;
}
.dropdown:hover .dropbtn {
background-color: #3e8e41;
}