


Bootstrap learning js plug-in article drop-down menu_html/css_WEB-ITnose
Jun 24, 2016 am 11:56 AM
案例
通過此插件可以為幾乎所有東西添加下拉菜單,包括導(dǎo)航條、標(biāo)簽頁、膠囊式按鈕。
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用于導(dǎo)航條
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導(dǎo)航條分為四個(gè)部分。第一部分導(dǎo)航頭,第二部分導(dǎo)航列,第三部分form查詢表單,第四部分導(dǎo)航列。
[javascript] ?view plaincopy
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效果就是
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用法一--通過data屬性
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通過向鏈接或按鈕添加data-toggle="dropdown"可以打開或關(guān)閉下拉菜單。
<li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="#">Action</a></li> <li><a href="#">Another action</a></li> <li><a href="#">Something else here</a></li> <li class="divider"></li> <li><a href="#">Separated link</a></li> <li class="divider"></li> <li><a href="#">One more separated link</a></li> </ul> </li>
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用法二--通過JavaScript
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通過JavaScript打開或關(guān)閉下拉菜單:
刪除data-toggle屬性,那么再次點(diǎn)擊就不會(huì)出現(xiàn)下來菜單了,接下來我們通過給這個(gè)a標(biāo)簽添加一個(gè)onclick事件。
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<script type="text/javascript"> function Test() { $('#myDropDown').dropdown(); } </script>
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然后點(diǎn)擊a標(biāo)簽就可以出現(xiàn)下拉菜單了。
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可以綁定事件,然后在元素進(jìn)行相應(yīng)處理的時(shí)候會(huì)自動(dòng)綁定到元素,并進(jìn)行執(zhí)行相關(guān)的代碼。
$('#myDropdown').on('show.bs.dropdown', function () { // 在顯示的時(shí)候做一些處理代碼})

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